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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 : 1.5碌A(chǔ), 25碌A(chǔ), 130碌A(chǔ).

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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