TS4990 datasheet(1/33 Pages) STMICROELECTRONICS

部件名	TS4990

功能描述	1.2 W audio power amplifier with active-low standby mode

PDF	33 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 33 page

This is information on a product in full production.

January 2019

DocID9309 Rev 14

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TS4990

1.2 W audio power amplifier with active-low standby mode

Datasheet

- production data

Features

 Operating range from V

CC = 2.2 V to 5.5 V

 1.2 W output power at V

CC =5V, THD= 1%,

F = 1 kHz, with 8

load

 Ultra-low consumption in standby mode

(10 nA)

 62 dB PSRR at 217 Hz in grounded mode

 Near-zero pop and click

 Ultra-low distortion (0.1%)

 Unity gain stable

 Available in 9-bump flip-chip, miniSO-8 and

DFN8 packages

Applications

 Mobile phones (cellular / cordless)

 Laptop / notebook computers

 PDAs

 Portable audio devices

Description

The TS4990 is designed for demanding audio

applications such as mobile phones to reduce the

number of external components.

This audio power amplifier is capable of delivering

1.2 W of continuous RMS output power into an

8

 load at 5 V.

An externally controlled standby mode reduces

the supply current to less than 10 nA. It also

includes an internal thermal shutdown protection.

The unity-gain stable amplifier can be configured

by external gain setting resistors.

STANDBY

BYPASS

VIN+

VIN–

1

2

3

4

VOUT2

GND

VCC

VOUT1

6

8

7

5

Vin-

GND

BYPASS

VOUT2

VCC

Vin+

VOUT1

GND

STBY

Vin-

GND

BYPASS

VOUT2

VCC

Vin+

VOUT1

GND

STBY

BYPASS

VIN+

VIN-

VOUT1

V

GND

VOUT2

1

2

3

4

8

5

7

6

CC

STBY

BYPASS

VIN+

VIN-

VOUT1

V

GND

VOUT2

1

2

3

4

8

5

7

6

CC

TS4990EIJT - Flip-chip 9 bumps

TS4990IST - MiniSO-8

TS4990IQT - DFN8

TS4990IDT - SO-8

www.st.com

类似零件编号 - TS4990

制造商	部件名	数据表	功能描述
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