LMC662AIM/NOPB National Semiconductor, LMC662AIM/NOPB Datasheet

IC OP AMP DUAL CMOS 8-SOIC

LMC662AIM/NOPB

Manufacturer Part Number
LMC662AIM/NOPB
Description
IC OP AMP DUAL CMOS 8-SOIC
Manufacturer
National Semiconductor
Datasheets

Specifications of LMC662AIM/NOPB

Amplifier Type
General Purpose
Number Of Circuits
2
Output Type
Rail-to-Rail
Slew Rate
1.1 V/µs
Gain Bandwidth Product
1.4MHz
Current - Input Bias
0.002pA
Voltage - Input Offset
1000µV
Current - Supply
750µA
Current - Output / Channel
40mA
Voltage - Supply, Single/dual (±)
4.75 V ~ 15.5 V, ±2.38 V ~ 7.75 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Bandwidth
1.4 MHz
Channel Separation
130
Common Mode Rejection Ratio
83
Current, Input Bias
0.002 pA
Current, Input Offset
0.001 pA
Current, Output
40 mA
Current, Supply
0.75 mA
Harmonic Distortion
0.01 %
Impedance, Thermal
165 °C/W
Number Of Amplifiers
Dual
Package Type
SO-8
Resistance, Input
1 Teraohms
Temperature, Operating, Range
-40 to +85 °C
Voltage, Gain
2000 V/mV
Voltage, Input
4.75 to 15.5 V
Voltage, Noise
22 nV/sqrt Hz
Voltage, Offset
1 mV
Voltage, Output, High
14.63 V
Voltage, Output, Low
0.26 V
Voltage, Supply
5 V
Number Of Channels
2
Voltage Gain Db
126.02 dB
Common Mode Rejection Ratio (min)
70 dB
Input Voltage Range (max)
15.5 V
Input Voltage Range (min)
4.75 V
Input Offset Voltage
3 mV at 5 V
Operating Supply Voltage
5 V, 9 V, 12 V, 15 V
Supply Current
1.3 mA at 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
-3db Bandwidth
-
Lead Free Status / Rohs Status
RoHS Compliant part Electrostatic Device
Other names
*LMC662AIM/NOPB
© 2003 National Semiconductor Corporation
LMC662
CMOS Dual Operational Amplifier
General Description
The LMC662 CMOS Dual operational amplifier is ideal for
operation from a single supply. It operates from +5V to +15V
and features rail-to-rail output swing in addition to an input
common-mode range that includes ground. Performance
limitations that have plagued CMOS amplifiers in the past
are not a problem with this design. Input V
broadband noise as well as voltage gain into realistic loads
(2 kΩ and 600Ω) are all equal to or better than widely
accepted bipolar equivalents.
This chip is built with National’s advanced Double-Poly
Silicon-Gate CMOS process.
See the LMC660 datasheet for a Quad CMOS operational
amplifier with these same features.
Connection Diagram
Ordering Information
8-Pin
Small Outline
8-Pin
Molded DIP
8-Pin DIP/SO
Package
DS009763
LMC662AIMX
LMC662AIM
LMC662AIN
Industrial
Temperature Range
OS
, drift, and
00976301
LMC662CMX
Commercial
LMC662CM
LMC662CN
Features
n Rail-to-rail output swing
n Specified for 2 kΩ and 600Ω loads
n High voltage gain:
n Low input offset voltage: 3 mV
n Low offset voltage drift: 1.3 µV/˚C
n Ultra low input bias current: 2 fA
n Input common-mode range includes V
n Operating range from +5V to +15V supply
n I
n Low distortion: 0.01% at 10 kHz
n Slew rate: 1.1 V/µs
Applications
n High-impedance buffer or preamplifier
n Precision current-to-voltage converter
n Long-term integrator
n Sample-and-hold circuit
n Peak detector
n Medical instrumentation
n Industrial controls
n Automotive sensors
Typical Application
SS
= 400 µA/amplifier; independent of V+
Drawing
M08A
N08E
NSC
Low-Leakage Sample-and-Hold
Tape and Reel
Transport
126 dB
Media
Rail
Rail
www.national.com
00976315
April 2003

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LMC662AIM/NOPB Summary of contents

Page 1

... DIP/SO Ordering Information Package 8-Pin Small Outline 8-Pin Molded DIP © 2003 National Semiconductor Corporation Features n Rail-to-rail output swing n Specified for 2 kΩ and 600Ω loads n High voltage gain: n Low input offset voltage Low offset voltage drift: 1.3 µV/˚C ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Differential Input Voltage + − Supply Voltage (V − Output Short Circuit to V − Output Short Circuit to V Lead Temperature (Soldering, 10 sec.) Storage Temp. Range ...

Page 3

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T − 0V 1.5V 2.5V and Parameter + Output Swing kΩ ...

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T − 0V 1.5V 2.5V and Parameter Total Harmonic Distortion kHz Note 1: Applies to ...

Page 5

Typical Performance Characteristics Supply Current vs. Supply Voltage Input Bias Current Output Characteristics Current Sourcing ± 7.5V 25˚C unless otherwise specified S A 00976324 Output Characteristics Current Sinking 00976326 Input Voltage Noise vs. Frequency 00976328 5 ...

Page 6

Typical Performance Characteristics CMRR vs. Frequency Frequency Response vs. Capacitive Load Stability vs. Capacitive Load Note: Avoid resistive loads of less than 500Ω, as they may cause instability. www.national.com ± 7.5V 25˚C unless otherwise specified (Continued) ...

Page 7

Application Hints AMPLIFIER TOPOLOGY The topology chosen for the LMC662, shown in Figure 1, is unconventional (compared to general-purpose op amps) in that the traditional unity-gain buffer output stage is not used; instead, the output is taken directly from the ...

Page 8

Application Hints (Continued) Note that these capacitor values are usually significantly smaller than those given by the older, more conservative formula: C consists of the amplifier’s input capacitance plus any stray capacitance S from the circuit board and socket. C ...

Page 9

Application Hints (Continued) dard op-amp configurations. If both inputs are active and at high impedance, the guard can be tied to ground and still provide some protection; see Figure 9. FIGURE 5. Example, using the LMC660, of Guard Ring in ...

Page 10

Application Hints (Continued) BIAS CURRENT TESTING The test method of Figure 11 is appropriate for bench-testing bias current with reasonable accuracy. To understand its operation, first close switch S2 momentarily. When S2 is opened, then FIGURE 11. Simple Input Bias ...

Page 11

Typical Single-Supply Applications + ( Additional single-supply applications ideas can be found in the LM358 datasheet. The LMC662 is pin-for-pin compatible with the LM358 and offers greater bandwidth and input resistance over the LM358. These ...

Page 12

Typical Single-Supply Applications ( 5 (Continued Bandpass Filter 2.1 Gain = −8 High-Pass Filter 0.895 Gain = ...

Page 13

Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC662AIM, LMC662CM, LMC662AIMX or LMC662CMX Small Outline Dual-In-Line Pkg. (M) NS Package Number M08A Molded Dual-In-Line Pkg. (N) Order Number LMC662AIN, LMC662CN NS Package Number N08E 13 www.national.com ...

Page 14

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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