Part Number Temperature Range Package Packing Marking. DIP14 Tube LM2902N LM2902D/DT SO-14 Tube or Tape & Reel
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1 Low Power Quad Operational Amplifier Wide gain bandwidth: 1.3MHz Input common-mode voltage range includes ground Large voltage gain: 1dB Very low supply current per amp: 375µA Low input bias current: 2nA Low input offset current: 2nA Wide power supply range: Single supply: +3V to +3V Dual supplies: ±1.5V to ±15V Description This circuit consists of four independent, high gain, internally frequency compensated operational amplifiers designed especially for automotive and industrial control systems. It operates from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. N DIP14 (Plastic Package) D SO-14 (Plastic Micropackage) P TSSOP14 (Thin Shrink Small Outline Package) Order Codes Part Number Temperature Range Package Packing Marking N DIP14 Tube N D/DT SO-14 Tube or Tape & Reel PT TSSOP14-4 C, +125 C (Thin Shrink Outline Package) Tape & Reel YD/YDT SO-14 (automotive grade level) Tube or Tape & Reel YPT TSSOP14 (automotive grade level) Tape & Reel Y Rev 3 October 25 1/
2 Absolute Maximum Ratings 1 Absolute Maximum Ratings Table 1. Key parameters and their absolute maximum ratings Symbol Parameter Value Unit V CC Supply Voltage ±16 to 33 V V ID Differential Input Voltage +32 V V I Input Voltage -.3 to +32 V Output Short-circuit to Ground (1) P d Power Dissipation (2) DIP14 SO-14 Infinite 5 4 mw I in Input Current (3) 5 ma T oper Operating Free-Air Temperature Range -4 to +125 C T stg Storage Temperature Range -65 to +15 C Thermal Resistance Junction to Ambient R thja SO-14 TSSOP14 DIP C/W HBM: Human Body Model (4).5 kv ESD MM: Machine Model (5) 15 V CDM: Charged Device Model 15 V + 1. Short-circuit from the output to V cc can cause excessive heating and eventual destruction. The maximum + output current is approximately 2mA, independent of the magnitude of V cc 2. Pd is calculated with T amb = +25 C, T j = +15 C and R thja = 8 C/W for DIP14 package R thja = 15 C/W for SO-14 package R thja = 175 C/W for TSSOP14 package 3. This input current only exists when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP transistor becoming forward biased and thereby acting as input diodes clamps. In addition to this diode action, there is also NPN parasitic action on the IC chip. This transistor action can cause the output voltages of the op-amps to go to the V CC voltage level (or to ground for a large overdrive) for the time duration than an input is driven negative. This is not destructive and normal output will set up again for input voltage higher than -.3V. 4. Human body model, 1pF discharged through a 1.5kΩ resistor into pin of device. 5. Machine model ESD, a 2pF cap is charged to the specified voltage, then discharged directly into the IC with no external series resistor (internal resistor < 5Ω), into pin to pin of device. 2/14
3 Typical Application Information 2 Typical Application Information Figure 1. Schematic diagram ( ) V CC 6µA C C 4µA 1µA Q5 Q6 Inverting input Q1 Q2 Q3 Q4 Q7 R SC Non-inverting input Q11 Output Q13 Q1 Q12 Q8 Q9 5mA GND Figure 2. Pin connections (top view) 3/14
4 Electrical Characteristics 3 Electrical Characteristics Table 2. V CC + = 5V, V cc - = Ground, Vo = 1.4V, T amb = 25 C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit Input Offset Voltage (1) V io T amb = +25 C 2 7 T min T amb T max. 9 mv I io Input Offset Current T amb = +25 C 2 3 T min T amb T max. 4 I ib Input Bias Current (2) T amb = +25 C T min T amb T max A vd SVR I cc Large Signal Voltage Gain + V CC = +15V, R L =2kΩ, V o = 1.4V to 11.4V T amb = +25 C 5 T min T amb T max. 25 Supply Voltage Rejection Ratio (R S 1kΩ) T amb = +25 C 65 T min T amb T max. 65 Supply Current, all Amp, no load T amb = +25 C, V CC = +5V V CC = +3V T min T amb T max., V CC = +5V V CC = +3V 1 na na V/mV 11 db ma Input Common Mode Voltage Range (V cc = +3V) (3) V icm T amb = +25 C T min T amb T max. V CC -1.5 V CC -2 V CMR I O I sink V OH Common-mode Rejection Ratio (R S 1kΩ) T amb = +25 C 7 T min T amb T max. 6 8 db Output Short-circuit Current (V id = +1V) V CC = +15V, V o = +2V Output Sink Current (V id = -1V) V CC = +15V, V o = +2V V CC = +15V, V o = +.2V High Level Output Voltage (V cc + 3V) T amb = +25 C, R L = 2kΩ T min T amb T max. T amb = +25 C, R L = 1kΩ T min T amb T max. V cc + 5V), R L = 2kΩ T min T amb T max. T amb = +25 C ma ma µa V 4/14
5 Electrical Characteristics Symbol Parameter Min. Typ. Max. Unit V OL SR GBP THD Low Level Output Voltage (R L = 1kΩ) T amb = +25 C T min T amb T max Slew Rate V CC = 15V, Vi =.5 to 3V, R L = 2kΩ, C L = 1pF, unity gain.4 Gain Bandwidth Product V CC = 3V, V in = 1mV, R L = 2kΩ, C L = 1pF 1.3 Total Harmonic Distortion f = 1kHz, A V = 2dB, R L = 2kΩ, V o = 2Vpp, C L = 1pF, V cc = 3V.15 e n Equivalent Input Noise Voltage nv f = 1kHz, R S = 1Ω, V cc = 3V 4 Hz DV io Input Offset Voltage Drift 7 3 µv/ C DI io Input Offset Current Drift 1 2 pa/ C Channel Separation (4) V O1 /V O2 1kHz f 2kHz 12 db 1. V O = 1.4V, R S = Ω, 5V < V + CC < 3V, V < V ic < V + CC - 1.5V. 2. The direction of the input current is out of the IC. This current is essentially constant, independent of the state of the output, so no loading charge change exists on the input lines. 3. The input common-mode voltage of either input signal voltage should not be allowed to go negative by more + than.3v. The upper end of the common-mode voltage range is V CC 1.5V, but either or both inputs can go to +32V without damage. 4. Due to the proximity of external components insure that coupling is not originating via stray capacitance between these external parts. This typically can be detected as this type of capacitance increases at higher frequencies. mv V/µs MHz % 5/14
6 Electrical Characteristics Figure 3. Input bias current vs. T amb Figure 4. Input voltage range Figure 5. Current limiting Figure 6. Supply current Figure 7. Gain bandwidth product Figure 8. Voltage follower pulse response OUTPUT VOLTAGE (V) INPUT VOLTAGE (V) VOLAGE FOLLOWER PULSE RESPONSE 4 RL 2 kω 3 VCC = +15V TIME (µ s) 6/14
7 Electrical Characteristics Figure 9. Common mode rejection ratio Figure 1. Output characteristics COMMON MODE REJECTION RATIO(dB) COMMON MODE REJECTION RATIO V 1kΩ 6 1 Ω - e 4 O e 1 Ω I K 1kΩ 1K +7.5V 1K 1M FREQUENCY (Hz) Figure 11. Open loop frequency response Figure 12. Voltage follower pulse response OPEN LOOP FREQUENCY RESPONSE (NOTE 3) 14 1M Ω 12.1µF - V CC 1 VI VO VCC/2 + 8 VCC = 3V & 6-55 C Tamb +125 C VOLTAGE GAIN (db) 4 2 VCC = +1 to + 15V & -55 C Tamb +125 C k 1k 1k 1M 1M FREQUENCY (Hz) OUTPUT VOLTAGE (mv) VOLTAGE FOLLOWER PULSSE RESPONSE (SMALL SIGNAL) el + - Output eo 5pF Input 3 Tamb =+25 C V CC =3V TIME (µs) Figure 13. Large signal frequency response Figure 14. Output characteristics OUTPUT SWING (Vpp) LARGE SIGNAL FREQUENCY RESPONSE 2 1k Ω 1k Ω - +15V 15 V I VO +7V + 2k Ω 1 5 1k 1k 1k 1M FREQUENCY (Hz) 7/14
8 Electrical Characteristics Figure 15. Positive supply voltage Figure 16. Positive supply voltage VOLTAGE GAIN (db) R L = 2kΩ R L = 2kΩ POSITIVE SUPPLY VOLTAGE (V) Figure 17. Power supply & common mode rejection ratio Figure 18. Large signal voltage gain 8/14
9 Typical Single-Supply Applications 4 Typical Single-Supply Applications Figure 19. AC coupled inverting amplifier Figure 2. AC coupled non-inverting amplifier C I 1kΩ R 1kΩ f A = - R f V (as shown A V = -1) C1.1µF 1kΩ R2 1MΩ A = 1 + R2 V (as shown A V = 11) C o e o 2V PP C I C o e o 2V PP e I ~ R2 V CC 1kΩ R 6.2kΩ B R3 1kΩ R 1kΩ L e I ~ R3 1MΩ R 6.2kΩ B R4 1kΩ RL 1kΩ C1 1µF C2 1µF V CC R5 1kΩ Figure 21. Non-inverting DC gain Figure 22. DC summing amplifier 1kΩ A V =1+ R2 (As shown = 11) A V e 1 1kΩ e O +5V 1kΩ e O e 2 1kΩ 1kΩ R2 1M Ω e O (V) e 3 e 4 1kΩ 1kΩ 1kΩ Figure 23. Active bandpass filter e I (mv) eo = e1 + e2 - e3 - e4 where (e1 + e2) (e3 + e4) to keep eo V Figure 24. High input Z adjustable gain DC instrumentation amplifier 1kΩ 1kΩ e 1 R3 1kΩ R4 1MΩ C2 33pF R6 47kΩ C1 33pF R5 47kΩ R7 1kΩ e O e 1 R2 2kΩ Gain adjust R5 1kΩ R3 1kΩ R6 1kΩ R7 1kΩ R4 1kΩ e O Fo = 1kHz Q = 5 Av = 1 (4dB) R8 1kΩ C3 1µF V CC e 2 If = R5 and R3 = R4 = R6 = R7 eo = [ ] (e2 - e1) R2 As shown eo = 11 (e2 - e1) 9/14
10 Typical Single-Supply Applications Figure 25. High input Z, DC differential amplifier Figure 26. Low drift peak detector 1kΩ R2 1kΩ R3 1kΩ R4 1kΩ +V1 Vo +V2 e I Z I C 1µF * 2 2 2N 929 Z o.1µf e o eo = [ 1 + R4 ] (e2 - e1) R3 As shown eo = (e2 - e1) R 1MΩ 3R 3MΩ Input current compensation * Polycarbonate or polyethylene Figure 27. Using symmetrical amplifiers to reduce input current (general concept) I I e o e I IB 2N 929.1µ F 1.5MΩ 3MΩ Aux. amplifier for input current compensation 1/14
11 Package Mechanical Data 5 Package Mechanical Data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: DIP14 package Plastic DIP-14 MECHANICAL DATA DIM. mm. inch MIN. TYP MAX. MIN. TYP. MAX. a B b.5.2 b D E e e F I L Z P1A 11/14
12 Package Mechanical Data 5.2 SO-14 package SO-14 MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. MIN. TYP. MAX. A a a b b C.5.19 c1 45 (typ.) D E e e F G L M S 8 (max.) PO13G 12/14
13 Package Mechanical Data 5.3 TSSOP14 package TSSOP14 MECHANICAL DATA DIM. mm. inch MIN. TYP MAX. MIN. TYP. MAX. A A A b c D E E e.65 BSC.256 BSC K 8 8 L A A2 A1 b e c K L E D E1 PIN 1 IDENTIFICATION D 13/14
14 Revision History 6 Revision History Date Revision Changes Nov Initial release. July 25 2 Oct PPAP references inserted in the datasheet see Table : Order Codes on page ESD protection inserted in Table 1 on page 2. The following changes were made in this revision: An error in the device description was corrected on page 1. PPAP reference inserted in the datasheet see Table : Order Codes on page 1. Minor grammatical and formatting changes throughout. Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners 25 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 14/14
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