RC4207. Precision Monolithic Dual Operational Amplifier. Features. Description. Block Diagram. Pin Assignments.

Size: px

Start display at page:

Download "RC4207. Precision Monolithic Dual Operational Amplifier. Features. Description. Block Diagram. Pin Assignments."

Francine Sharp
5 years ago
Views:

1 RC7 Precision Monolithic Dual Operational Amplifier Features Low Noise.5 mvp-p (. Hz to Hz) Ultra-low VO 75 mv Ultra-low VO drift. mv/ C Long term VO stability. mv/mo Low input bias and offset currents ±5 na High gain V/mV Fits 55 socket Industry standard pinout -lead mini-dip Description Designed for low level signal conditioning and instrumentation applications, the 7 is a precision dual amplifier combining excellent DC input specifications with low input noise characteristics. Ultra low input offset voltage, low drift, high CMRR, and low input bias currents serve to reduce input related errors to less than.% in a typical high gain instrumentation amplifier system (AV = ). The 7 contains two separate amplifiers with a high degree of isolation between them; each is complete requiring no external compensation capacitors or offset nulling potentiometers. The inherent VO is typically less than 5 mv, resulting in superior temperature drift, and this low initial offset is further reduced by "Zener-zap" nulling when the wafers are tested. Advanced thin film and nitride dielectric processing allows the 7 to achieve its high performance and small size (the 7 is offered in -lead DIPs). The 7 fits the industry standard -lead op amp pin-out. Block Diagram Pin Assignments Output A +V Output A Input A 7 +V Output B Input A A B Output B +Input A V 6 5 Input B +Input B +Input A Input B V +Input B Rev...

2 RC7 Absolute Maximum Ratings (beyond which the device may be damaged) Parameter Min Typ Max Units upply Voltage ± V Input Voltage ± V Differential Input Voltage V Internal Power Dissipation 5 mw PDTA < 5 C 6 mw Output hort Circuit Duration Indefinite Junction Temperature 5 C torage Temperature C Operating Temperature 7 C Lead oldering Temperature (6 sec) C For TA > 5 C Derate at 6.5 mw/ C Notes:. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if Operating Conditions are not exceeded.. For supply voltages less than ±V, the absolute maximum input voltage is equal to the supply voltage.. Observe package thermal characteristics. Operating Conditions Parameter Min Typ Max Units qja Thermal resistance 6 C/W Electrical Characteristics (V = ±5V, C TA +7 C unless otherwise noted) 7F 7G Parameters Test Conditions Min Typ Max Min Typ Max Units Input Offset Voltage mv Average Input Offset Voltage Drift...7 mv/ C Input Offset Current ±. ± ±.6 ±5 na Average Input Offset Current Drift. pa/ C Input Bias Current ±. ± ±. ±5 na Average Input Bias Current Drift pa/ C Input Voltage Range ± ±.5 ± ±.5 V Common Mode Rejection Ratio VCM = ±V db Power upply Rejection Ratio V = ±.V to db ±6.5V Large ignal Voltage Gain RL >.kw, 5 75 V/mV VOUT = ±V Maximum Output Voltage wing RL >.kw ± ±.6 ± ±.6 V Power Consumption RL = 5 5 mw

3 RC7 PRODUCT PECIFICATION Electrical Characteristics (V = ±5V, and TA = +5 C unless otherwise noted) 7F 7G Parameters Test Conditions Min Typ Max Min Typ Max Units Input Offset Voltage mv Long Term VO tability..5 mv/mo Input Offset Current ±.5 ±5 ± ± na Input Bias Current ±.5 ±5 ± ± na Input Noise Voltage. Hz to Hz.5.5 mvp-p Input Noise Voltage Density FO = Hz.. nv FO = Hz Hz FO = Hz Input Noise Current. Hz to Hz pap-p Input Noise Current Density FO = Hz.. pa FO = Hz Hz FO = Hz.. Input Resistance (Diff. Mode) 6 MW Input Resistance (Com. Mode) GW Input Voltage Range ± ± ± ± V Common Mode Rejection Ratio VCM = ±V 6 9 db Power upply Rejection Ratio V = ±.V to ±6.5V 9 db Large ignal Voltage Gain RL ³ kw, 6 5 V/mV VOUT = ±V VOUT = ±.V RL = KW, V = ±.V Output Voltage wing RL ³ kw ±.5 ± ±.5 ± V RL ³ kw ± ±. ± ±. RL ³ kw ± ± ± ± lew Rate RL ³ kw.... V/ms Closed Loop Bandwidth AVOL = MHz Open Loop Output Resistance VOUT =, IOUT = 6 6 W Power Consumption V = ±5V, RL = 5 6 mw V = ±.V, RL = Crosstalk DC db Notes:. Long Term Input Offset Voltage tability refers to the averaged trend line of VO vs. Time over extended periods after the first days of operation. Excluding the initial hour of operation, changes in VO during the first operating days are typically.5 mv.. Guaranteed by design.. Input Offset Voltage measurements are performed by automated test equipment approximately.5 seconds after application of power.. The input protection diodes do not allow the device to be removed or inserted into the circuit without first removing power.

4 RC7 Typical Performance Characteristics 5 75 V = ±5V R = ½ + + At V.5V I na DIFF B - - VO ( µv) I B (ma) + - V = 5V - T A = +5 C IB (ma) T A ( C) V DIFF (V) 65-6 Figure. Input Offset Voltage vs. Temperature Figure. Input Bias Current vs. Differential Input Voltage.5 6 V = 5V. V = 5V I B (na) I O (na) T A ( C) T A ( C) Figure. Input Bias Current vs. Temperature Figure. Input Offset Current vs. Temperature T A = +5 C CMRR (db) 9 PRR (db) K K F (Hz) Figure 5. CMRR vs. Frequency K F (Hz) Figure 6. PRR vs. Frequency 65-7

5 RC7 PRODUCT PECIFICATION Typical Performance Characteristics (continued) T A = +5 C V = 5V T A = +5 C A VOL (V/mV) AVOL (db) -. K K M M 65-7 ±V (V) F (Hz) Figure 7. Open Loop Gain vs. upply Voltage Figure. Open Loop Gain vs. Frequency A VCL (db) 6 V = 5V T A = +5 C - K K M M 65-75A VOUTp-p (V) V = 5V T A = +5 C F (Hz) Figure 9. Closed Loop Response for Various Gain Configurations F (khz) Figure. Maximum Undistorted Output vs. Frequency 5 V = 5V T A = +5 C V IN = mv +V OUT VOUT (V) -V OUT 5.. R L (k½) Figure. Output Voltage vs. Load Resistance to Ground

6 RC7 Typical Performance Characteristics (continued) PC (mw) T = +5 C A 5 +V to -V (V) Figure. Power Consumption vs. Total upply Voltage 65-7A IC (ma) 6 5. V IN (Pin ) = -mv, V OUT = +5V. V IN (Pin ) = +mv, V OUT = -5V V = 5V T A = +5 C Time (Min) Figure. Output hort Circuit Current vs. Time Typical Applications V V V R R R5.5K R +5V / 7-5V V OUT Figure. Adjustment-Free Precision umming Amplifier R = R = = R 65- ensing Junction Reference Junction R R +5V / 7-5V Figure 5. High tability Thermocouple Amplifier R R R R V OUT 65- R R5 V IN R +5V +5V ±V D 6 / 7 A D 5 / 7 B 7 V OUT to +V -5V -5V V A R 65- Figure 6. Precision Absolute Value Circuit 6

7 RC7 PRODUCT PECIFICATION chematic Diagram -Input A () +Input A () Amplifier A Z Z RE 6.6K RD 5.7K Z RC 5.K R R5 D D Z RB 5K Q X Q X R 6K RC.K C pf RA 5K Q X R RB 5K Q9 Q Q5 Q6 Q6 R7.K Q5 R K C 75 pf Q Q Q Q7 Q Q R K () -V Q Q Q R6 R9 5 Q.75.5 CA 5 pf 75 R 75 Q Q7 R5 K Q Q9 R 5K R7 CB R9 6 Q 5K R K R9 5 R Q R5 D Q Q Q R Q Q55 R 5 Q5 R6.5K Q5 Q Q9 Q9 R6 K R7 R Output A () Q6 Q7 Q +V () Output B (7) K Q5.5K.5K Q6 Q7 Q5 Q Q5 Q56 Q5 Q Q9 Q Q 75 Q5 Q Q5 Q Amplifier B Input B (6) +Input B (5) 7

8 RC7 Mechanical Dimensions -Lead Plastic DIP Package ymbol Inches Millimeters Min. Max. Min. Max. A. 5. A.5. A B B C..5.. D....9 D.5. E E e. BC.5 BC eb..9 L N Notes 5 Notes:. Dimensioning and tolerancing per ANI Y.5M-9.. "D" and "E" do not include mold flashing. Mold flash or protrusions shall not exceed. inch (.5mm).. Terminal numbers are for reference only.. "C" dimension does not include solder finish thickness. 5. ymbol "N" is the maximum number of terminals. D E D 5 e E A A L A C B B eb

9 RC7 Ordering Information Product Number Temperature Range creening Package RC7FN to +7 C Commercial Pin Plastic DIP RC7GN to +7 C Commercial Pin Plastic DIP LIFE UPPORT POLICY FAIRCHILD PRODUCT ARE NOT AUTHORIZED FOR UE A CRITICAL COMPONENT IN LIFE UPPORT DEVICE OR YTEM WITHOUT THE EXPRE WRITTEN APPROVAL OF THE PREIDENT OF FAIRCHILD EMICONDUCTOR CORPORATION. As used herein:. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 5//9.m tock#d7 Ó 99 Fairchild emiconductor Corporation

RC4741 General Purpose Operation Amplifier

RC4741 General Purpose Operation Amplifier General Purpose Operation Amplifier www.fairchildsemi.com Features Unity gain bandwidth 3. MHz High slew rate 1.6 V/mS Low noise voltage 9 nv/öhz Input offset voltage. mv Input bias current 6 na Indefinite