TS921ID 查看數據表（PDF） - STMicroelectronics

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TS921ID

Rail-to-Rail High Output Current Single Operational Amplifier

STMicroelectronics 

TS921

Rail-to-Rail High Output Current

Single Operational Amplifier

■ Rail-to-rail input and output

■ Low noise: 9nV/√Hz

■ Low distortion

■ High output current: 80mA (able to drive 32Ω

loads)

■ High-speed: 4MHz, 1V/µs

■ Operating from 2.7V to 12V

■ ESD internal protection: 1.5kV

■ Latch-up immunity

■ Macromodel included in this specification

Description

The TS921 is a rail-to-rail single BiCMOS

operational amplifier optimized and fully specified

for 3V and 5V operation.

Its high output current allows low-load

impedances to be driven.

The TS921 exhibits very low noise, low distortion

and low offset. It has a high output current

capability which makes this device an excellent

choice for high quality, low voltage or battery-

operated audio systems.

The device is stable for capacitive loads up to

500pF.

Applications

■ Headphone amplifier

■ Piezoelectric speaker driver

■ Sound cards, multimedia systems

■ Line driver, actuator driver

N

DIP8

(Plastic Package)

D

SO-8

(Plastic Micropackage)

P

TSSOP8

(Thin Shrink Small Outline Package)

Pin connections (top view)

N.C. 1

Inverting Input 2 -

Non-inverting Input 3 +

VCC 4

8 N.C.

7 VCC+

6 Output

5 N.C.

■ Servo amplifier

■ Mobile phone and portable communication

sets

■ Instrumentation with low noise as key factor

November 2005

Rev 3

1/14

www.st.com

14

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