LMC6022IM NSC [National Semiconductor], LMC6022IM Datasheet

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LMC6022IM

Manufacturer Part Number
LMC6022IM
Description
Low Power CMOS Dual Operational Amplifier
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 1999 National Semiconductor Corporation
LMC6022
Low Power CMOS Dual Operational Amplifier
General Description
The LMC6022 is a CMOS dual operational amplifier which
can operate from either a single supply or dual supplies. Its
performance features include an input common-mode range
that reaches V
100k and 5 k
accepted bipolar equivalents, while the power supply re-
quirement is less than 0.5 mW.
This chip is built with National’s advanced Double-Poly
Silicon-Gate CMOS process.
See the LMC6024 datasheet for a CMOS quad operational
amplifier with these same features.
Features
n Specified for 100 k
n High voltage gain:
n Low offset voltage drift: 2.5 µV/˚C
Connection Diagram
Ordering Information
, low input bias current, and voltage gain (into
loads) that is equal to or better than widely
120 dB
and 5 k
Temperature Range
−40˚C
LMC6022IN
LMC6022IM
Industrial
T
loads
J
+85˚C
DS011236
Small Outline
Molded DIP
Package
8-Pin DIP/SO
8-Pin
8-Pin
Top View
n Ultra low input bias current: 40 fA
n Input common-mode range includes V
n Operating range from +5V to +15V supply
n Low distortion: 0.01% at 1 kHz
n Slew rate: 0.11 V/µs
n Micropower operation: 0.5 mW
Applications
n High-impedance buffer or preamplifier
n Current-to-voltage converter
n Long-term integrator
n Sample-and-hold circuit
n Peak detector
n Medical instrumentation
n Industrial controls
Drawing
N08E
M08A
NSC
Tape and Reel
Transport
Media
DS011236-1
Rail
Rail
November 1994
www.national.com

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LMC6022IM Summary of contents

Page 1

... Ordering Information Temperature Range Industrial −40˚C T +85˚C J LMC6022IN LMC6022IM © 1999 National Semiconductor Corporation DS011236 n Ultra low input bias current Input common-mode range includes V n Operating range from +5V to +15V supply n Low distortion: 0.01 kHz n Slew rate: 0.11 V/µs n Micropower operation: 0 ...

Page 2

Absolute Maximum Ratings Differential Input Voltage + − Supply Voltage (V − Lead Temperature (Soldering, 10 sec.) Storage Temperature Range Junction Temperature ESD Tolerance (Note 4) Voltage at Output/Input Pin (V Current at Output Pin Current at Power ...

Page 3

DC Electrical Characteristics + = 5V, V The following specifications apply for V face limits apply at the temperature extremes; all other limits T Symbol Parameter V Output Voltage Swing O I Output Current O I Supply Current S (Continued) ...

Page 4

AC Electrical Characteristics + The following specifications apply for V Boldface limits apply at the temperature extremes; all other limits T Symbol Parameter SR Slew Rate GBW Gain-Bandwidth Product Phase Margin M G Gain Margin M Amp-to-Amp Isolation e Input-Referred ...

Page 5

Typical Performance Characteristics Supply Current vs Supply Voltage DS011236-27 Output Characteristics Current Sinking DS011236-30 Crosstalk Rejection vs Frequency DS011236-33 = ± = 25˚C unless otherwise specified V 7.5V Input Bias Current vs Temperature DS011236-28 Output Characteristics Current ...

Page 6

Typical Performance Characteristics Power Supply Rejection Ratio vs Frequency DS011236-36 Gain and Phase Responses vs Load Capacitance DS011236-39 Non-Inverting Slew Rate vs Temperature DS011236-42 www.national.com ± 25˚C unless otherwise specified (Continued) V 7.5V Open-Loop Voltage ...

Page 7

Typical Performance Characteristics Non-Inverting Small Signal Pulse Response = + DS011236-45 Stability vs Capacitive Load Note: Avoid resistive loads of less than 500 , as they may cause instability. Application Hints AMPLIFIER TOPOLOGY The topology chosen for the ...

Page 8

... Electrical Characteristics. The op amp can drive load resistance as low as 500 COMPENSATING INPUT CAPACITANCE Refer to the LMC660 or LMC662 datasheets to determine whether or not a feedback capacitor will be necessary for compensation and what the value of that capacitor would be. CAPACITIVE LOAD TOLERANCE Like many other op amps, the LMC6022 may oscillate when its applied load appears capacitive ...

Page 9

Application Hints (Continued) FIGURE 4. Example of Guard Ring in P.C. Board Layout (Using the LMC6024) (a) Inverting Amplifier DS011236-11 (c) Follower The designer should be aware that when it is inappropriate to lay out a PC board for the ...

Page 10

Application Hints (Continued) (Input pins are lifted out of PC board and soldered directly to components. All other pins connected to PC board.) FIGURE 6. Air Wiring BIAS CURRENT TESTING The test method of Figure 7 is appropriate for bench-testing ...

Page 11

Typical Single-Supply Applications R5 R6, and R4 = R7; Then A 100 for circuit shown V For good CMRR over temperature, low drift resistors should be used. Matching and R4 to ...

Page 12

Typical Single-Supply Applications ( (Continued) DC Sine-Wave Oscillator Oscillator frequency is determined by R1, R2, C1, and C2 OSC where and C2. This ...

Page 13

Typical Single-Supply Applications 10 Hz Bandpass Filter = 2.1 Gain = −8 Low-Pass Filter (Maximally Flat, Dual Supply Only) ( (Continued High-Pass Filter (2 dB ...

Page 14

14 ...

Page 15

... Physical Dimensions inches (millimeters) unless otherwise noted 8-Pin Small Outline Molded Package (M) 8-Pin Molded Dual-In-Line Package (N) Order Number LMC6022IM NS Package Number M08A Order Number LMC6022IN NS Package Number N08E 15 www.national.com ...

Page 16

LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR CORPORATION. As used herein: 1. Life support devices ...

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