LMC660CM National Semiconductor, LMC660CM Datasheet

OP AMP, QUAD CMOS, SMD, SOIC14, 660

LMC660CM

Manufacturer Part Number
LMC660CM
Description
OP AMP, QUAD CMOS, SMD, SOIC14, 660
Manufacturer
National Semiconductor
Datasheet

Specifications of LMC660CM

Op Amp Type
Low Input Bias
No. Of Amplifiers
4
Bandwidth
0.5MHz
Slew Rate
1.1V/µs
Supply Voltage Range
4.75V To 15.5V
Amplifier Case Style
SOIC
No. Of Pins
14
Operating Temperature
RoHS Compliant

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© 2004 National Semiconductor Corporation
LMC660
CMOS Quad Operational Amplifier
General Description
The LMC660 CMOS Quad 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 LMC662 datasheet for a dual CMOS operational
amplifier with these same features.
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
Connection Diagram
14-Pin DIP/SO
126 dB
DS008767
OS
00876701
, drift, and
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
n Available in extended temperature range (−40˚C to
n Available to Standard Military Drawing specification
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
+125˚C); ideal for automotive applications
SS
= 375 µA/amplifier; independent of V
LMC660 Circuit Topology (Each Amplifier)
+
www.national.com
00876704
August 2000

Related parts for LMC660CM

LMC660CM Summary of contents

Page 1

... Low input offset voltage Low offset voltage drift: 1.3 µV/˚C Connection Diagram 14-Pin DIP/SO © 2004 National Semiconductor Corporation n Ultra low input bias current Input common-mode range includes V n Operating range from +5V to +15V supply 375 µA/amplifier; independent Low distortion: 0 ...

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 + 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 1.5V 2.5V and Parameter + Output Swing kΩ ...

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for 1.5V 2.5V and Parameter Total Harmonic Distortion Note 1: Applies to both single supply and split supply operation. Continuous short ...

Page 5

Typical Performance Characteristics Input Bias Current Output Characteristics Current Sourcing CMRR vs Frequency ± 7.5V 25˚C unless otherwise specified (Continued Output Characteristics 00876726 00876728 00876730 5 Current Sinking 00876727 Input Voltage Noise vs Frequency ...

Page 6

Typical Performance Characteristics Frequency Response vs Capacitive Load Stability vs Capacitive Load Note: Avoid resistive loads of less than 500Ω, as they may cause instability. Application Hints AMPLIFIER TOPOLOGY The topology chosen for the LMC660, shown in Figure 1, is ...

Page 7

Application Hints (Continued) COMPENSATING INPUT CAPACITANCE The high input resistance of the LMC660 op amps allows the use of large feedback and source resistor values without losing gain accuracy due to loading. However, the circuit will be especially sensitive to ...

Page 8

Application Hints (Continued) CAPACITIVE LOAD TOLERANCE Like many other op amps, the LMC660 may oscillate when its applied load appears capacitive. The threshold of oscilla- tion varies both with load and circuit gain. The configuration most sensitive to oscillation is ...

Page 9

Application Hints (Continued) (a) Inverting Amplifier (b) Non-Inverting Amplifier (c) Follower (d) Howland Current Pump FIGURE 6. Guard Ring Connections The designer should be aware that when it is inappropriate to lay out a PC board for the sake of ...

Page 10

Typical Single-Supply Applications + (V = 5.0 VDC) Additional single-supply applications ideas can be found in the LM324 datasheet. The LMC660 is pin-for-pin compatible with the LM324 and offers greater bandwidth and input resistance over the LM324. These features will ...

Page 11

Typical Single-Supply Applications ( 5.0 VDC) (Continued Bandpass Filter 2.1 Gain = −8 High-Pass Filter 0.895 Gain = 1 2 ...

Page 12

... Ordering Information Package Industrial −40˚C to +85˚C 14-Pin LMC660AIM Small Outline LMC660AIMX 14-Pin LMC660AIN Molded DIP www.national.com Temperature Range Commercial 0˚C to +70˚C LMC660CM LMC660CMX LMC660CN 12 NSC Transport Drawing Media M14A Rail Tape and Reel N14A Rail ...

Page 13

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC660AIM, LMC660CM or LMC660AIMX Order Number LMC660AIN, LMC660CN or LMC660CNX Small Outline Dual-In-Line Pkg. (M) NS Package Number M14A Molded Dual-In-Line Pkg. (N) NS Package Number N14A 13 www.national.com ...

Page 14

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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