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TS271AI

Description
PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS
File Size141KB,15 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
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TS271AI Overview

PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS

TS271C,I,M
PROGRAMMABLE CMOS
SINGLE OPERATIONAL AMPLIFIERS
.
.
.
.
.
.
.
OFFSET NULL CAPABILITY (by external
compensation)
DYNAMIC CHARACTERISTICS
ADJUSTABLE BY I
SET
CONSUMPTION CURRENT AND DYNAMIC
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
OUTPUT VOLTAGE CAN SWING TO
GROUND
VERY LARGE I
SET
RANGE
STABLE AND LOW OFFSET VOLTAGE
THREE INPUT OFFSET VOLTAGE
SELECTIONS
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
DESCRIPTION
The TS271 is a low cost, low power single opera-
tional amplifier designed to operate with single or
ORDER CODES
Part Number
TS271C/AC/BC
TS271I/AI/BI
TS271M/AM/BM
Example :
TS271ACN
Temperature
Range
0 C, +70 C
-40 C, +125 C
-55 C, +125 C
o
o
o
o
o
o
Package
N
q
q
q
D
q
q
q
dual supplies. This operational amplifier uses the
SGS-THOMSON silicon gate CMOS process giv-
ing it an excellent consumption-speed ratio. This
amplifier is ideally suited for low consumption
applications.
The power supply is externally programmable with
a resistor connectedbetween pins 8 and 4. It allows
to choose the best consumption-speed ratio and
supply current can be minimized according to the
required speed. This device is specified for the
following I
SET
current values : 1.5µA, 25µA, 130µA.
This CMOS amplifier offers very high input imped-
ance and extremely low input currents. The major
advantage versus JFET devices is the very low
input currents drift with temperature (see figure 3).
PIN CONNECTIONS
(top view)
1
2
3
4
-
+
8
7
6
5
1 - Offset Null 1
2 - Inverting Input
3 - Non-inverting Input
4 - V
CC
-
5 - Offset Null 2
6 - Output
7 -V
+
CC
8 -I
SET
October 1997
1/15

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Description PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS
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