lmc2001 National Semiconductor Corporation, lmc2001 Datasheet

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lmc2001

Manufacturer Part Number
lmc2001
Description
High Precision, 6mhz Rail-to-rail Output Operational Amplifier
Manufacturer
National Semiconductor Corporation
Datasheet

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© 1999 National Semiconductor Corporation
8-pin Small Outline
5-pin SOT23-5
LMC2001
High Precision, 6MHz Rail-To-Rail Output Operational
Amplifier
General Description
The LMC2001 is a new precision amplifier that offers un-
precedented accuracy and stability at an affordable price
and is offered in miniature (SOT23-5) package. This device
utilizes patented techniques to measure and continually cor-
rect the input offset error voltage. The result is an amplifier
which is ultra stable over time, and temperature. It has excel-
lent CMRR and PSRR ratings, and does not exhibit the fa-
miliar 1/f voltage and current noise increase that plagues tra-
ditional amplifiers. The combination of the LMC2001
characteristics makes it a good choice for transducer ampli-
fiers, high gain configurations, ADC buffer amplifiers, DAC
I-V conversion, and any other 5V application requiring preci-
sion and/or stability.
Other useful benefits of the LMC2001 are rail-to-rail output,
low supply current of 750µA, and wide gain-bandwidth
product of 6MHz. The LMC2001 comes in 5 pin SOT23 and
8 pin SOIC. These extremely versatile features found in the
LMC2001 provide high performance and ease of use.
Connection Diagrams
Ordering Information
Package
LMC2001ACM5X
LMC2001ACM5
Top View
8-Pin SO
0˚C to +70˚C
Commercial
Temperature Range
DS100058-1
DS100058
−40˚C to +85˚C
LMC2001AIMX
LMC2001AIM
Industrial
Features
(Vs = 5V, R
n Low Guaranteed V
n e
n High CMRR
n High PSRR
n High A
n Wide Gain-Bandwidth Product
n High Slew Rate
n Low Supply Current
n Rail-To-Rail Output
n No External Capacitors Required
Applications
n Precision Instrumentation Amplifiers
n Thermocouple Amplifiers
n Strain Gauge Bridge Amplifier
n
LMC2001AIM
With No 1/f
Package
Marking
A09A
VOL
L
= 10K to V
os
5-Pin SOT23
2.5k Units Tape
+
Top View
1k Units Tape
3k Units Tape
/2, Typ. Unless Noted)
Transport
and Reel
and Reel
and Reel
Media
Rails
DS100058-2
30mV from either rail
www.national.com
August 1999
Drawing
MA05B
M08A
85nV/
NSC
120dB
120dB
137dB
750µA
6MHz
5V/µs
40µV

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lmc2001 Summary of contents

Page 1

... Other useful benefits of the LMC2001 are rail-to-rail output, low supply current of 750µA, and wide gain-bandwidth product of 6MHz. The LMC2001 comes in 5 pin SOT23 and 8 pin SOIC. These extremely versatile features found in the LMC2001 provide high performance and ease of use. ...

Page 2

... Supply Current S www.national.com (Note 1) Storage Temperature Range Junction Temperature (T (Note 4) Operating Ratings 2500V Supply voltage 150V Temperature Range ± Supply Voltage LMC2001AI 5.6V LMC2001AC 30mA Thermal resistance ( 30mA M Package, 8-pin Surface Mount M5 Package, SOT23-5 50mA 260˚ 25˚ Typ ...

Page 3

AC Electrical Characteristics + - T = 25˚ 2.5V Symbol Parameter SR Slew Rate GBW Gain-Bandwidth Product Phase Margin m G Gain Margin m e Input-Referred Voltage Noise n ...

Page 4

Typical Performance Characteristics = 25C unless otherwise specified Distribution OS DS100058- DS100058-68 CMR DS100058- OUT S DS100058-89 www.national.com ...

Page 5

Typical Performance Characteristics − OUT S DS100058-98 Gain-Phase DS100058-50 THD OUT DS100058-76 Isupply DS100058-96 (Continued) Gain-Phase DS100058-49 Gain-Phase vs C LOAD DS100058-47 Isource vs V OUT ...

Page 6

... In this same time, the LMC2001 will only have a 0.51mV out- put error. This is more than 13.3 times less error. Keep in mind that this 1/f error gets even larger at lower fre- quencies ...

Page 7

... For example possible to achieve output swing with 300MHz of overall GBW (Av=100) while keeping the worst case output shift due to Vos less than 4mV. The LMC2001 output voltage is kept at about mid-point of it’s overall supply voltage and it’s input common mode - ...

Page 8

... See the LMC6442 data sheet (Application Notes section) for more details on this. LMC2001 as ADC Input Amplifier The LMC2001 is a great choice for an amplifier stage imme- diately before the input of an A/D converter ( coupled) see Figure 7 and Figure 8 because of the following ...

Page 9

Application Notes (Continued) DS100058-52 FIGURE 7. FIGURE 8. 9 DS100058-53 www.national.com ...

Page 10

Physical Dimensions inches (millimeters) unless otherwise noted www.national.com M08A 10 ...

Page 11

... 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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