TLC271IP datasheet(54/84 Pages) TI

54 / 84 page

TLC271, TLC271A, TLC271B

LinCMOS

 PROGRAMMABLE LOW-POWER

OPERATIONAL AMPLIFIERS

SLOS090D – NOVEMBER 1987 – REVISED MARCH 2001

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION

single-supply versus split-supply test circuits

Because the TLC271 is optimized for single-supply operation, circuit configurations used for the various tests

often present some inconvenience since the input signal, in many cases, must be offset from ground. This

inconvenience can be avoided by testing the device with split supplies and the output load tied to the negative

rail. A comparison of single-supply versus split-supply test circuits is shown below. The use of either circuit gives

the same result.

VDD

VDD +

VDD –

(a) SINGLE SUPPLY

(b) SPLIT SUPPLY

Figure 98. Unity-Gain Amplifier

VDD

VDD +

1/2 VDD

Ω

2 k

Ω

VDD –

Ω

2 k

Ω

(a) SINGLE SUPPLY

(b) SPLIT SUPPLY

Figure 99. Noise-Test Circuit

100

Ω

VDD

10 k

Ω

1/2 VDD

100

Ω

10 k

Ω

VDD +

VDD –

(a) SINGLE SUPPLY

(b) SPLIT SUPPLY

Figure 100. Gain-of-100 Inverting Amplifier

TLC271IP Datasheet(PDF) 54 Page - Texas Instruments

TLC271IP Datasheet(HTML) 54 Page - Texas Instruments

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