TS2012 datasheet(1/30 Pages) STMICROELECTRONICS

部件名	TS2012

功能描述	Filter-free stereo 2x2.8W class D audio power amplifer

PDF	30 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 30 page

December 2007

Rev 1

1/30

30

TS2012

Filter-free stereo 2x2.8W class D audio power amplifer

Features

■ Operating range from VCC=2.5V to 5.5V

■ Standby mode active low

■ Output power per channel : 1.35W @5V or

0.68W @ 3.6V into 8

Ω with 1% THD+N max.

■ Output power per channel : 2.2W @5V into 4

Ω

with 1% THD+N max.

■ Four gains select : 6, 12, 18, 24 dB

■ Low current consumption

■ PSRR: 70dB typ @ 217Hz with 6dB gain.

■ Fast start-up phase: 1ms

■ Thermal shutdown protection

■ QFN20 4x4mm lead-free package

Applications

■ Cellular phone

■ PDA

■ Flat panel TV

Description

The TS2012 is a stereo fully differential class D

power amplifier. Able to drive up to 1.35W into an

8

Ω load at 5V per channel. It achieves

outstanding efficiency compared to typical class

AB audio amps.

The device has four different gain settings utilizing

two discrete pins: G0 and G1.

Pop & click reduction circuitry provides low on/off

switch noise while allowing the device to start

within 1ms.

Two standby pins (active low) allow each channel

to be switched off independently.

The TS2012 is available in a QFN20 package in

4x4 mm dimension.

Gain

Select

PWM

H

Bridge

LIN +

LIN -

G0

G1

LOUT+

LOUT-

STBY L

STBY R

Gain

Select

PWM

H

Bridge

RIN -

RIN +

ROUT+

ROUT-

Oscillator

Standby

Control

1

2

5

7

8

11

14

15

16

17

19

20

TS2012IQT - QFN20 (4x4)

G1

G0

Lout+

PVCC

PGND

PVCC

Rout+

PGND

Lout-

Rout-

1

2

4

3

5

67

8

910

11

12

13

14

15

16

17

18

19

20

G1

G0

Lout+

PVCC

PGND

PVCC

Rout+

PGND

Lout-

Rout-

1

2

4

3

5

67

8

910

11

12

13

14

15

16

17

18

19

20

Pin connections (top view)

Block diagram

www.st.com

类似零件编号 - TS2012

制造商	部件名	数据表	功能描述
STMicroelectronics	TS2012	633Kb / 29P	Filter-free stereo 2x2.8 W class D audio power amplifier 17-Jul-2013
	TS2012EI	553Kb / 32P	Filter-free Flip Chip stereo 2 x 2.5 W class D audio power amplifier 01-Apr-2014
	TS2012EIJT	598Kb / 31P	Filter-free flip-chip stereo 2x2.5 W class D audio power amplifer 17-Apr-2008
	TS2012EIJT	553Kb / 32P	Filter-free Flip Chip stereo 2 x 2.5 W class D audio power amplifier 01-Apr-2014
	TS2012FC	598Kb / 31P	Filter-free flip-chip stereo 2x2.5 W class D audio power amplifer 17-Apr-2008

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