TS271I OPERATIONAL AMPLIFIERS Datasheet

TS271I Datasheet, PDF, Equivalent


Part Number

TS271I

Description

PROGRAMMABLE CMOS SINGLE OPERATIONAL AMPLIFIERS

Manufacture

STMicroelectronics

Total Page 15 Pages
Datasheet
Download TS271I Datasheet


TS271I
TS271C,I,M
PROGRAMMABLE CMOS
SINGLE OPERATIONAL AMPLIFIERS
. OFFSET NULL CAPABILITY (by external
compensation)
. DYNAMIC CHARACTERISTICS
ADJUSTABLE BY ISET
. CONSUMPTION CURRENT AND DYNAMIC
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
. OUTPUT VOLTAGE CAN SWING
GROUND
. VERY LARGE ISET RANGE
. STABLE AND LOW OFFSET VOLTAGE
. THREE INPUT OFFSET VOLTAGE
TO
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
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 ISET 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).
ORDER CODES
Part Number
Temperature
Range
TS271C/AC/BC
TS271I/AI/BI
TS271M/AM/BM
0oC, +70oC
-40oC, +125oC
-55oC, +125oC
Example : TS271ACN
PIN CONNECTIONS (top view)
Package
ND
qq
qq
qq
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

TS271I
TS271C,I,M
BLOCK DIAGRAM
VCC
Input
differential
Second
stage
Output
stage
Output
Offset null
E
Iset Input
E
Input
VCC
MAXIMUM RATINGS
Symbol
VCC+
Vid
Parameter
Supply Voltage - (note 1)
Differential Input Voltage - (note 2)
Value
18
±18
Vi Input Voltage - (note 3)
IO Output Current for VCC+ 15V
Iin Input Current
-0.3 to 18
±30
±5
Toper Operating Free-Air Temperature Range
TS271C/AC/BC
TS271I/AI/BI
TS271M/AM/BM
0 to +70
-40 to +125
-55 to +125
Tstg Storage Temperature Range
-65 to +150
Notes : 1. All voltage values, except differential voltage, are with respect to network ground terminal.
2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal.
3. The magnitude of the input and the output voltages must never exceed the magnitude of the positive supply voltage.
Unit
V
V
V
mA
mA
oC
oC
OPERATING CONDITIONS
Symbol
VCC+
Vicm
Parameter
Supply Voltage
Common Mode Input Voltage Range
Value
3 to 16
0 to VCC+ - 1.5
Unit
V
V
2/15


Features TS271C,I,M PROGRAMMABLE CMOS SINGLE OPER ATIONAL AMPLIFIERS . . . . . . . OFFS ET NULL CAPABILITY (by external compens ation) DYNAMIC CHARACTERISTICS ADJUSTAB LE BY ISET CONSUMPTION CURRENT AND DYNA MIC PARAMETERS ARE STABLE REGARDING THE VOLTAGE POWER SUPPLY VARIATIONS OUTPUT VOLTAGE CAN SWING TO GROUND VERY LARGE ISET RANGE STABLE AND LOW OFFSET VOLTA GE THREE INPUT OFFSET VOLTAGE SELECTION S N DIP8 (Plastic Package) D SO8 (Pla stic Micropackage) DESCRIPTION The TS2 71 is a low cost, low power single oper ational amplifier designed to operate w ith single or ORDER CODES Part Number TS271C/AC/BC TS271I/AI/BI TS271M/AM/BM Example : TS271ACN Temperature Range 0o C, +70oC -40oC, +125oC -55 C, +125 C o o Package N q q q D q q q dual suppl ies. This operational amplifier uses th e SGS-THOMSON silicon gate CMOS process giving it an excellent consumption-spe ed ratio. This amplifier is ideally sui ted for low consumption applications. T he power supply is externally programmable with a resistor conn.
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