LT1782 Micropower, Over-The-Top SOT-23, Rail-to-Rail Input and Output Op Amp DESCRIPTION FEATURES APPLICATIONS TYPICAL APPLICATION
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1 FEATURES n Operates with Inputs Above n Rai-to-Rai Input and Output n Micropower: Suppy Current Max n Operating Temperature Range: 4 C to 2 C n Low Profie (mm) ThinSOT Package n Low Input Offset otage: 8µ Max n Singe Suppy Input Range: to 8 n High Output Current: 8mA Min n Specified on 3, and ± Suppies n Output Shutdown on 6-Lead ersion n Reverse Battery Protection to 8 n High otage Gain: /m n Gain Bandwidth Product: 2kHz n Sew Rate:.7/µs APPLICATIONS n Portabe Instrumentation n Battery- or Soar-Powered Systems n Sensor Conditioning n Suppy Current Sensing n Battery Monitoring n MUX Ampifiers n 4mA to 2mA Transmitters Micropower, Over-The-Top SOT-23, Rai-to-Rai Input and Output Op Amp DESCRIPTION The LT 782 is a 2kHz op amp avaiabe in the sma SOT-23 package that operates on a singe and spit suppies with a tota votage of 2. to 8. The ampifier draws ess than of quiescent current and has reverse battery protection, drawing negigibe current for reverse suppy votages up to 8. The input range of the incudes ground, and a unique feature of this device is its Over-The-Top operation capabiity with either or both of its inputs above the positive rai. The inputs hande 8 both differentia and common mode, independent of suppy votage. The input stage incorporates phase reversa protection to prevent fase outputs from occurring even when the inputs are 9 beow the negative suppy. The can drive oads up to 8mA and sti maintain rai-to-rai capabiity. A shutdown feature on the 6-ead version can disabe the part, making the output high impedance and reducing quiescent current to. The op amp is avaiabe in the - and 6-ead SOT-23 packages. For appications requiring higher speed, refer to the LT783. L, LT, LTC, LTM, Linear Technoogy and the Linear ogo are registered trademarks and ThinSOT and Over-The-Top are trademarks of Linear Technoogy Corporation. A other trademarks are the property of their respective owners. TYPICAL APPLICATION TO 8 2Ω LOAD Positive Suppy Rai Current Sense.2Ω 2Ω I LOAD MMBT394 2k OUT = 2Ω(I LOAD ) TO 4.3 PERCENTAGE OF AMPLIFIERS 2 2 Distribution of Input Offset otage S =, CM = TAa INPUT OFFSET OLTAGE (µ) 782 TAb
2 ABSOLUTE MAXIMUM RATINGS (Note ) Tota Suppy otage ( to )... 8 Input Differentia otage... 8 Input Pin otage to... 24/ Shutdown Pin otage Above... 8 Shutdown Pin Current... ±ma Output Short-Circuit Duration (Note 2)... Indefinite Operating Temperature Range (Note 3) C... 4 C to 8 C I... 4 C to 8 C H... 4 C to 2 C Specified Temperature Range (Note 4) C... 4 C to 8 C I... 4 C to 8 C H... 4 C to 2 C Junction Temperature... C Storage Temperature Range... 6 C to C Lead Temperature (Sodering, sec)... C PIN CONFIGURATION TOP IEW TOP IEW OUT IN IN OUT 2 IN SHDN IN S PACKAGE -LEAD PLASTIC TSOT-23 T JMAX = C, θ JA = 2 C/W S6 PACKAGE 6-LEAD PLASTIC TSOT-23 T JMAX = C, θ JA = 2 C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE CS#PBF CS#TRPBF LTLD -Lead Pastic TSOT-23 C to 7 C IS#PBF IS#TRPBF LTLE -Lead Pastic TSOT-23 4 C to 8 C HS#PBF HS#TRPBF LTXK -Lead Pastic TSOT-23 4 C to 2 C CS6#PBF CS6#TRPBF LTIS 6-Lead Pastic TSOT-23 C to 7 C IS6#PBF IS6#TRPBF LTIT 6-Lead Pastic TSOT-23 4 C to 8 C HS6#PBF HS6#TRPBF LTXL 6-Lead Pastic TSOT-23 4 C to 2 C Consut LTC Marketing for parts specified with wider operating temperature ranges. Consut LTC Marketing for information on non-standard ead based finish parts. For more information on ead free part marking, go to: For more information on tape and ree specifications, go to: 2
3 ELECTRICAL CHARACTERISTICS The denotes the specifications which appy over the fu operating temperature range, otherwise specifications are at T A = 2 C. S = 3, ; S =,, CM = OUT = haf suppy, for the 6-ead part PIN =, puse power tested uness otherwise specified. C/I SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS OS Input Offset otage T A = 2 C 4 8 µ C T A 7 C 4 C T A 8 C 9 µ µ OS / T Input Offset otage Drift (Note 7) 2 µ/ C I OS Input Offset Current.7 2 na CM = 8 (Note ) I B Input Bias Current 8 na CM = 8 (Note ) SHDN or S =, CM = to na Input Bias Current Drift 4 C T A 8 C. na/ C Input Noise otage.hz to Hz µ P-P e n Input Noise otage Density f = khz n/ Hz i n Input Noise Current Density f = khz. pa/ Hz R IN Input Resistance Differentia Common Mode, CM = to ( CC ) Common Mode, CM = to MΩ GΩ MΩ C IN Input Capacitance pf Input otage Range 8 CMRR Common Mode Rejection Ratio (Note ) CM = to CC CM = to 8 (Note 8) PSRR Power Suppy Rejection Ratio S = 3 to 2., CM = O = 9 db A OL Large-Signa otage Gain S = 3, O = m to 2., R L = k S = 3, C T A 7 C S = 3, 4 C T A 8 C S =, O = m to 4., R L = k S =, C T A 7 C S =, 4 C T A 8 C OL Output otage Swing LOW No Load I SINK = ma S =, I SINK = ma OH Output otage Swing HIGH S = 3, No Load S = 3, I SOURCE = ma S =, No Load S =, I SOURCE = ma I SC Short-Circuit Current (Note 2) S = 3, Short to GND S = 3, Short to CC S =, Short to GND S =, Short to CC 2 I S db db /m /m /m /m /m /m Minimum Suppy otage 2.7 Reverse Suppy otage I S = 8 Suppy Current (Note 6) C T A 7 C 4 C T A 8 C Suppy Current, SHDN PIN = 2, No Load (Note ) m m m ma ma ma ma 3
4 ELECTRICAL CHARACTERISTICS The denotes the specifications which appy over the fu operating temperature range, otherwise specifications are at T A = 2 C. S = 3, ; S =,, CM = OUT = haf suppy, for the 6-ead part PIN =, puse power tested uness otherwise specified. C/I SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS I SHDN Shutdown Pin Current PIN =.3, No Load (Note ). na PIN = 2, No Load (Note ) 2 8 PIN =, No Load (Note ) Shutdown Output Leakage Current PIN = 2, No Load (Note ). Maximum Shutdown Pin Current PIN = 8, No Load (Note ) L Shutdown Pin Input Low otage (Note ).3 H Shutdown Pin Input High otage (Note ) 2 t ON Turn-On Time PIN = to, R L = k (Note ) µs t OFF Turn-Off Time PIN = to, R L = k (Note ) 6 µs GBW Gain Bandwidth Product (Note ) SR Sew Rate (Note ) f = khz C T A 7 C 4 C T A 8 C A =, R L = C T A 7 C 4 C T A 8 C khz khz khz.7 /µs /µs /µs t S Setting Time S =, OUT = 2 to.%, A = 4 µs THD Distortion S = 3, O = 2 P-P, A =, R L = k, f = khz.3 % FPBW Fu-Power Bandwidth (Note 9) OUT = 2 P-P khz The denotes the specifications which appy over the fu operating temperature range, otherwise specifications are at T A = 2 C. S = ±, CM =, OUT =, for the 6-ead part PIN =, puse power tested uness otherwise specified. C/I SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS OS Input Offset otage T A = 2 C 9 µ C T A 7 C 4 C T A 8 C 2 µ µ OS / T Input Offset otage Drift (Note 7) 2 µ/ C I OS Input Offset Current.7 2 na I B Input Bias Current 8 na Input Bias Current Drift. na/ C Input Noise otage.hz to Hz µ P-P e n Input Noise otage Density f = khz n/ Hz i n Input Noise Current Density f = khz. pa/ Hz R IN Input Resistance Differentia Common Mode, CM = to 3 C IN Input Capacitance pf Input otage Range 3 CMRR Common Mode Rejection Ratio CM = to db A OL Large-Signa otage Gain O = ±4, R L = k C T A 7 C 4 C T A 8 C MΩ MΩ /m /m /m 4
5 ELECTRICAL CHARACTERISTICS The denotes the specifications which appy over the fu operating temperature range, otherwise specifications are at T A = 2 C. S = ±, CM =, OUT =, for the 6-ead part PIN =, puse power tested uness otherwise specified. SYMBOL PARAMETER CONDITIONS OL Output otage Swing LOW No Load I SINK = ma I SINK = ma OH Output otage Swing HIGH No Load I SINK = ma I SINK = ma I SC Short-Circuit Current (Note 2) Short to GND C T A 7 C C/I MIN TYP MAX UNITS ma ma PSRR Power Suppy Rejection Ratio S = ±. to ±9 9 db I S Suppy Current 4 6 C T A 7 C 4 C T A 8 C 6 7 Suppy Current, SHDN PIN = 3, S = ±, No Load (Note ) 6 2 I SHDN Shutdown Pin Current PIN = 4.7, S = ±, No Load (Note ) PIN = 3, S = ±, No Load (Note ). 2 8 Maximum Shutdown Pin Current PIN = 9, S = ±9 (Note ) Shutdown Output Leakage Current PIN = 7, S = ±9, No Load (Note ). L Shutdown Pin Input Low otage S = ± (Note ) 4.7 H Shutdown Pin Input High otage S = ± (Note ) 3 t ON Turn-On Time PIN = to, R L = k (Note ) µs t OFF Turn-Off Time PIN = to, R L = k (Note ) 6 µs GBW Gain Bandwidth Product f = khz C T A 7 C 4 C T A 8 C SR Sew Rate A =, R L =, O = ±4, Measured at O = ±2 C T A 7 C 4 C T A 8 C na 22 khz khz khz.7 /µs /µs /µs t S Setting Time OUT = 4 to.%, A = µs FPBW Fu-Power Bandwidth (Note 9) OUT = 8 P-P 3 khz The denotes the specifications which appy over the fu operating temperature range of 4 C T A 2 C. S = 3, ; S =, ; CM = OUT = haf suppy, for the 6-ead part PIN =, puse power tested uness otherwise specified. (Note 4) H SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS OS Input Offset otage 4 8 µ 3 m OS / T Input Offset otage Drift µ/ C I OS Input Offset Current 3 na CM = 8 (Note ) 2 I B Input Bias Current na CM = 8 (Note ) 2 Input otage Range.3 8 CMRR Common Mode Rejection Ratio CM =.3 to CC CM =.3 to db db
6 ELECTRICAL CHARACTERISTICS The denotes the specifications which appy over the fu operating temperature range of 4 C T A 2 C. S = 3, ; S =, ; CM = OUT = haf suppy, for the 6-ead part PIN =, puse power tested uness otherwise specified. (Note 4) SYMBOL PARAMETER CONDITIONS A OL Large-Signa otage Gain S = 3, O = m to 2., R L = k S =, O = m to 4., R L = k OL Output otage Swing LOW No Load I SINK = ma S =, I SINK = ma OH Output otage Swing HIGH S = 3, No Load S = 3, I SOURCE = ma S =, No Load S =, I SOURCE = ma H MIN TYP MAX UNITS /m /m /m /m PSRR Power Suppy Rejection Ratio S = 3 to 2., CM = O = 8 db Minimum Suppy otage 2.7 Reverse Suppy otage I S = 8 I S Suppy Current 4 Suppy Current, SHDN PIN = 2, No Load (Note ) 2 I SHDN Shutdown Pin Current PIN =.3, No Load (Note ). na PIN = 2, No Load (Note ) 2 Output Leakage Current PIN = 2, No Load (Note ) 3 Maximum Shutdown Pin Current PIN = 8, No Load 4 L Shutdown Pin Input Low otage (Note ).3 H Shutdown Pin Input High otage (Note ) 2 GBW Gain Bandwidth Product f = khz (Note ) 2 khz 6 khz SR Sew Rate A =, R L = (Note 7).3.7 /µs.2 /µs 9 m m m The denotes the specifications which appy over the fu operating temperature range of 4 C T A 2 C. S = ±, CM =, OUT =, for the 6-ead part PIN =, puse power tested uness otherwise specified. (Note 4) SYMBOL PARAMETER CONDITIONS OS Input Offset otage H MIN TYP MAX OS / T Input Offset otage Drift (Note 9) µ/ C I OS Input Offset Current 3 na I B Input Bias Current na CMRR Common Mode Rejection Ratio CM = 4.7 to 3 6 db A OL Large-Signa otage Gain S = ±4, R L = k O Output otage Swing No Load I SINK = ±ma I SINK = ±ma 2 ±4.8 ±4. ±3. UNITS µ m /m /m 6
7 ELECTRICAL CHARACTERISTICS The denotes the specifications which appy over the fu operating temperature range of 4 C T A 2 C. S = ±, CM =, OUT =, for the 6-ead part PIN =, puse power tested uness otherwise specified. (Note 4) SYMBOL PARAMETER CONDITIONS H MIN TYP MAX PSRR Power Suppy Rejection Ratio S = ±. to ±9 8 db Minimum Suppy otage ±.3 I S Suppy Current 4 6 Suppy Current, SHDN PIN = 3, S = ±, No Load (Note ) 2 I SHDN Shutdown Pin Current PIN = 4.7, S = ±, No Load (Note ). na PIN = 3, S = ±, No Load (Note ) 2 Maximum Shutdown Pin Current PIN = 9, S = ±9, No Load (Note ) 4 Output Leakage Current PIN = 7, S = ±9, No Load 3 L Shutdown Pin Input Low otage S = ± 4.7 H Shutdown Pin Input High otage S = ± 3 GBW Gain Bandwidth Product f = khz 2 22 khz 7 khz SR Sew Rate A =, R L =, O = ±4 Measured at O = ± UNITS.7 /µs /µs Note : Stresses beyond those isted under Absoute Maximum Ratings may cause permanent damage to the device. Exposure to any Absoute Maximum Rating condition for extended periods may affect device reiabiity and ifetime. Note 2: A heat sink may be required to keep the junction temperature beow absoute maximum. Note 3: The C and I are guaranteed functiona over the operating temperature range of 4 C to 8 C. The H is guaranteed functiona over the operating temperature range of 4 C to 2 C. Note 4: The C is guaranteed to meet specified performance from C to 7 C. The C is designed, characterized and expected to meet specified performance from 4 C to 8 C but is not tested or QA samped at these temperatures. The I is guaranteed to meet specified performance from 4 C to 8 C. The H is guaranteed to meet specified performance from 4 C to 2 C. Note : S = imits are guaranteed by correation to S = 3 and S = ± or S = ±9 tests. Note 6: S = 3 imits are guaranteed by correation to S = and S = ± or S = ±9 tests. Note 7: Guaranteed by correation to sew rate at S = ±, and GBW at S = 3 and S = ± tests. Note 8: This specification impies a typica input offset votage of.8m at CM = 8 and a maximum input offset votage of 7.2m at CM = 8. Note 9: This parameter is not % tested. Note : Specifications appy to 6-ead SOT-23 with shutdown. Note : Fu-power bandwidth is cacuated for the sew rate. FPBW = SR/2 P. 7
8 TYPICAL PERFORMANCE CHARACTERISTICS SUPPLY CURRENT () Suppy Current vs Suppy otage T A = 2 C T A = 2 C T A = C INPUT OFFSET OLTAGE CHANGE (µ) Minimum Suppy otage T A = 2 C T A = C T A = 2 C OUT () Output otage vs Large Input otage S =, IN SUPPLY OLTAGE () 782 G TOTAL SUPPLY OLTAGE () 782 G IN () 782 G3 INPUT BIAS CURRENT (na) Input Bias Current vs Common Mode otage S =, T A = 2 C T A = 2 C T A = C COMMON MODE OLTAGE () 782 G4 OUTPUT SATURATION OLTAGE ().. µ Output Saturation otage vs Load Current (Output High) S = ±2. OD = m T A = 2 C T A = 2 C T A = C µ µ m m SOURCING LOAD CURRENT (A) 782 G OUTPUT SATURATION OLTAGE ().. Output Saturation otage vs Load Current (Output Low) S = ±2. OD = m T A = 2 C T A = 2 C T A = C. µ µ µ m m SINKING LOAD CURRENT (A) 782 G6 OUTPUT SATURATION OLTAGE (m) Output Saturation otage vs Input Overdrive OUTPUT HIGH OUTPUT LOW S = ±2. NO LOAD INPUT OERDRIE (m) OUTPUT CURRENT (ma) Output Short-Circuit Current vs Temperature S = ± SOURCING CURRENT SINKING CURRENT TEMPERATURE ( C) NOISE OLTAGE (4n/DI).Hz to Hz Noise otage S = ± TIME (sec) 782 G7 782 G8 782 G9 8
9 TYPICAL PERFORMANCE CHARACTERISTICS INPUT NOISE OLTAGE DENSITY (n/ Hz) Noise otage Density vs Frequency 2 k k 782 G INPUT NOISE CURRENT DENSITY (pa/ Hz) Input Noise Current vs Frequency S = ±2. k k 782 G GAIN (db) k Gain and Phase Shift vs Frequency S = ±2. 8 PHASE GAIN k k M 782 G2 PHASE SHIFT (DEG) GAIN BANDWIDTH (khz) Gain Bandwidth Product vs Temperature f = khz S = ± TEMPERATURE ( C) 782 G3 SLEW RATE (/µs) Sew Rate vs Temperature. S = ±2.. RISING.9.8 FALLING TEMPERATURE ( C) 782 G4 GAIN BAINDWIDTH PRODUCT (khz) Gain Bandwidth Product and Phase Margin vs Suppy otage PHASE MARGIN GAIN BANDWIDTH PRODUCT 8 A = R F = R G = k f = khz TOTAL SUPPLY OLTAGE () 782 G 6 PHASE MARGIN (DEG) GAIN BANDWIDTH PRODUCT (khz) 2 2 k Gain Bandwidth Product and Phase Margin vs Load Resistance PSRR vs Frequency CMRR vs Frequency S = ±2. A = R F = R G = k f = khz PHASE MARGIN GAIN BANDWIDTH PRODUCT k LOAD RESISTANCE (Ω) 782 G6 7 6 k PHASE MARGIN (DEG) POWER SUPPLY REJECTION RATIO (db) 9 S = ± POSITIE SUPPLY 4 2 NEGATIE SUPPLY k k k M 782 G7 COMMON MODE REJECTION RATIO (db) k k S = ± G8 k 9
10 TYPICAL PERFORMANCE CHARACTERISTICS OUTPUT IMPEDANCE (Ω) Output Impedance vs Frequency k S = ±2. k A = A = A = OUTPUT IMPEDANCE (Ω) M k k k Disabed Output Impedance vs Frequency (Note 8) S = ±2. PIN (SHUTDOWN) = 2. OUTPUT STEP () Setting Time to.% vs Output Step A = A = S = ± A = A =. k k k M k k k M SETTLING TIME (µs) 782 G9 782 G2 782 G2 OERSHOOT (%) Capacitive Load Handing Overshoot vs Capacitive Load S =, CM = 2. A = A = A = OUTPUT SWING ( P-P ) Undistorted Output Swing vs Frequency S = ± S = ±. DISTORTION % A = THD NOISE (%).. Tota Harmonic Distortion Noise vs Frequency S = 3, OUT = 2 P-P CM =.2 R L = k A = R F = R G = k A = CAPACITIE LOAD (pf) k k k. k k 782 G G G24 THD NOISE (%).. Tota Harmonic Distortion Noise vs Load Resistance S = 3 TOTAL A = IN = 2 P-P AT khz S = ±. IN = ± S = 3, IN =.2 TO 2.2 S = 3, IN =. TO 2.. k k k LOAD RESISTANCE TO GROUND (Ω) 782 G2 THD NOISE (%). Tota Harmonic Distortion Noise vs Output otage Ampitude f = khz, R L = k A = S = ±. CM = A =, R F = R G = k S = ±. CM =. A = A =, R F = R G = k S = 3. S = 3, CM =. CM = OUTPUT OLTAGE AMPLITUDE ( P-P ) 782 G26 INPUT OFFSET OLTAGE CHANGE (µ/di) Open-Loop Gain R L = k R L = k R L = 2k S = ± OUTPUT OLTAGE () 782 G27
11 TYPICAL PERFORMANCE CHARACTERISTICS SUPPLY CURRENT () 4 2 Suppy Current vs Shutdown otage Large-Signa Response Sma-Signa Response T A = 2 C T A = 2 C T A = C S =, SHUTDOWN PIN OLTAGE () 782 G28 S = ± A = C L = pf 782 G29 S = ± A = C L = pf 782 G APPLICATIONS INFORMATION Suppy otage The positive suppy pin of the shoud be bypassed with a sma capacitor (typicay.µf) within an inch of the pin. When driving heavy oads, an additiona 4.7µF eectroytic capacitor shoud be used. When using spit suppies, the same is true for the negative suppy pin. The is protected against reverse battery votages up to 8. In the event a reverse battery condition occurs, the suppy current is typicay ess than na. Inputs The has two input stages, NPN and PNP (see the Simpified Schematic), resuting in three distinct operating regions as shown in the Input Bias Current vs Common Mode typica performance curve. For input votages about.8 or more beow, the PNP input stage is active and the input bias current is typicay 8nA. When the input common mode votage is within. of the positive rai, the NPN stage is operating and the input bias current is typicay na. Increases in temperature wi cause the votage at which operation switches from the PNP input stage to the NPN input stage to move towards. The input offset votage of the NPN stage is untrimmed and is typicay.8m. A Schottky diode in the coector of the input NPN transistors, aong with specia geometries for these NPN transistors, aows the to operate with either or both of its inputs above. At about.3 above, the NPN input transistor is fuy saturated and the input bias current is typicay 4 at room temperature. The input offset votage is typicay.8m when operating above. The wi operate with its inputs 8 above regardess of. The inputs are protected against excursions as much as beow by an interna 6k resistor in series with each input and a diode from the input to the negative suppy. The input stage of the incorporates phase reversa protection to prevent the output from phase reversing for inputs up to 9 beow. There are no camping diodes between the inputs and the maximum differentia input votage is 8. Output The output of the can swing to within 6m of the positive rai with no oad and within 3m of the negative rai with no oad. When monitoring votages within 6m of the positive rai or within 3m of the negative rai, gain shoud be taken to keep the output from cipping. The can sink and source over ma at ± suppies,
12 APPLICATIONS INFORMATION sourcing current is reduced to ma at 3 tota suppies as noted in the Eectrica Characteristics section. The is internay compensated to drive at east 6pF of capacitance under any output oading conditions. A.22µF capacitor in series with a Ω resistor between the output and ground wi compensate these ampifiers for arger capacitive oads, up to,pf, at a output currents. Distortion There are two main contributors to distortion in op amps: output crossover distortion as the output transitions from sourcing to sinking current, and distortion caused by noninear common mode rejection. If the op amp is operating inverting, there is no common mode induced distortion. If the op amp is operating in the PNP input stage (input is not within.8 of ), the CMRR is very good, typicay db. When the switches between input stages, there is significant noninearity in the CMRR. Lower oad resistance increases the output crossover distortion but has no effect on the input stage transition distortion. For owest distortion, the shoud be operated singe suppy, with the output aways sourcing current and with the input votage swing between ground and (.8). See the Typica Performance Characteristics curves, Tota Harmonic Distortion Noise vs Ouput otage Ampitude. Gain The open-oop gain is amost independent of oad when the output is sourcing current. This optimizes performance in singe suppy appications where the oad is returned to ground. The typica performance curve of open-oop gain for various oads shows the detais. Shutdown The 6-ead part incudes a shutdown feature that disabes the part, reducing quiescent current and making the output high impedance. The part can be shut down by bringing the SHDN pin.2 or more above. When shut down, the suppy current is about and the output eakage current is ess than ( OUT ). In norma operation, the SHDN pin can be tied to or eft foating. See the Typica Performance Characteristics curves, Suppy Current vs Shutdown Pin otage. SIMPLIFIED SCHEMATIC Q D Q2 D3 Q3 Q22 SHDN J 2 R k Q4 IN IN R2 6k R3 6k Q7 Q8 Q Q2 Q Q6 Q7 Q8 Q9 Q2 OUT Q26 Q9 Q Q3 Q4 Q2 Q2 Q23 Q24 Q Q6 D4 D R4 4k R 4k 782 SS 2
13 TYPICAL APPLICATIONS Protected Faut Conditions OK! 8 OK! 24 REERSE BATTERY INPUT OEROLTAGE OK! OK! 8 INPUT DIFFERENTIAL OLTAGE INPUT BELOW GROUND 782 TA2 Compact, High Output Current, Low Dropout, Precision 2. Suppy S 2.8 to 3.3 SUPPLY CURRENT 2, NO LOAD 68Ω % k % 22Ω %.µf k % ISHAY SILICONIX Si344D LT79-2. µf OUT 782 TA3 2. I LOAD = ma TO ma NOTE: NOT CURRENT LIMITED 3
14 PACKAGE DESCRIPTION.62 MAX.9 REF S Package -Lead Pastic TSOT-23 (Reference LTC DWG # -8-63) 2.9 BSC (NOTE 4).22 REF 3.8 MAX 2.62 REF.4 MIN 2.8 BSC..7 (NOTE 4) PIN ONE RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR.9 BSC..4 TYP PLCS (NOTE 3).2 BSC DATUM A.9.2 (NOTE 3). MAX REF NOTE:. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIE OF PLATING 4. DIMENSIONS ARE EXCLUSIE OF MOLD FLASH AND METAL BURR. MOLD FLASH SHALL NOT EXCEED.24mm 6. JEDEC PACKAGE REFERENCE IS MO-93.9 BSC S TSOT-23 2 RE B.62 MAX.9 REF S6 Package 6-Lead Pastic TSOT-23 (Reference LTC DWG # ) 2.9 BSC (NOTE 4).22 REF 3.8 MAX 2.62 REF.4 MIN 2.8 BSC..7 (NOTE 4) PIN ONE ID RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR.9 BSC..4 6 PLCS (NOTE 3) BSC DATUM A.9.2 (NOTE 3). MAX REF NOTE:. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIE OF PLATING.9 BSC 4. DIMENSIONS ARE EXCLUSIE OF MOLD FLASH AND METAL BURR. MOLD FLASH SHALL NOT EXCEED.24mm 6. JEDEC PACKAGE REFERENCE IS MO-93 S6 TSOT-23 2 RE B
15 REISION HISTORY (Revision history begins at Rev C) RE DATE DESCRIPTION PAGE NUMBER C / Revised suppy current in shutdown mode from ma to in Shutdown section of Appications Information 2 Information furnished by Linear Technoogy Corporation is beieved to be accurate and reiabe. However, no responsibiity is assumed for its use. Linear Technoogy Corporation makes no representation that the interconnection of its circuits as described herein wi not infringe on existing patent rights.
16 TYPICAL APPLICATIONS Current Source CC LT R 2N396 I OUT =.2 R 782 TA4 Programmabe Gain, A = 2, A = 2, khz Ampifier Programmabe Gain Ampifier Frequency Response CC A = 2 A = A = 2 IN R2 9.9k SHDN R k CC EE SHDN LT784 A = CC EE R R2 ( ) R3 R OR ( ) R2 R3 OUT GAIN (db) A = 2 2 k k k M M 782 TA6 R3 k 782 TA RELATED PARTS PART NUMBER DESCRIPTION COMMENTS LT783 LT49/LT49 LT636 LT638/LT639 Micropower Over-The-Top SOT-23 Rai-to-Rai Input and Output Op Amp Dua/Quad Over-The-Top Micropower Rai-to-Rai Input and Output Op Amps Singe Over-The-Top Micropower Rai-to-Rai Input and Output Op Amp Dua/Quad,.2MHz,.4/µs, Over-The-Top Micropower Rai-to-Rai Input and Output Op Amps SOT-23 Package, Micropower 2 per Ampifier, Rai-to-Rai Input and Output,.2MHz GBW Singe Suppy Input Range:.4 to 44, Micropower per Ampifier, Rai-to-Rai Input and Output, 2kHz GBW Suppy Current, CM Extends 44 Above EE, Independent of CC, MSOP Package, Shutdown Function 7mA Suppy Current, Singe Suppy Input Range:.4 to 44, Rai-to-Rai Input and Output 6 LT RE C PRINTED IN USA Linear Technoogy Corporation 6 McCarthy Bvd., Mipitas, CA (48) FAX: (48) LINEAR TECHNOLOGY CORPORATION 999
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LTC69-7 Linear Phase 8th Order Lowpass Fiter FEATURES n 8th Order, Linear Phase Fiter in SO-8 Package n Raised Cosine Ampitude Response n 43 Attenuation at 2 f CUTOFF n Wideband Noise: 4μV RMS n Operates
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Features Appications LT3X High Temperature 7 C Dua MHz, Rai-to-Rai Input and Output, Utraow.9nV/ Hz Noise, Low Power Op Amp Description Extreme High Temperature Operation: C to 7 C Low Noise Votage:.9nV/
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FEATURES n Reguates Whie Sourcing or Sinking Current n Provides Termination for up to 27 SCSI Lines n μa Quiescent Current n Utraow Power Shutdown Mode n Current Limit and Therma Shutdown Protection n
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Features n 6 Maximum Offset Votage n 3 Maximum Input Bias Current n 3µA Suppy Current per Ampifier n Rai-to-Rai Output Swing n 2dB Minimum Votage Gain, V S = ±V n./ C Maximum V OS Drift n 4nV/ Hz Input
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Features n Input Common Mode Range Incudes Both Rais n Output Swings Rai-to-Rai n Low Input Offset otage: 5 n High Common Mode Rejection Ratio: 9 n High A OL : >/ Driving k Load n Low Input Bias Current:
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Features n Input Common Mode Range Incudes Both Rais n Output Swings Rai-to-Rai n Low Input Offset otage: 5 n High Common Mode Rejection Ratio: 9 n High A OL : >/ Driving k Load n Low Input Bias Current:
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FEATURES n 3dB Bandwidth: 3MHz, A V = n Gain-Bandwidth Product: 8MHz, A V n Sew Rate: 3V/μs n Wide Suppy Range:.V to.v n Large Output Current: 8mA n Low Distortion, MHz: 9dBc n Input Common Mode Range
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