TS4604 datasheet(1/31 Pages) STMICROELECTRONICS

Part #	TS4604

Description	Stereo headset driver and analog audio line driver with integrated reference to ground

PDF	31 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 31 page

October 2010

Doc ID 17913 Rev 1

1/31

31

TS4604

Stereo headset driver and analog audio line driver with

integrated reference to ground

Features

■ Operating from VCC = 3 V up to 4.8 V single

supply operation

■ Line driver stereo differential inputs

■ External gain setting resistors

■ Space-saving package: TSSOP28 pitch

0.65 mm

■ Dedicated shutdown control per function

■ 100 mW headset drive into a 16

Ω load

■ 90 dB high PSRR on headset drive

■ Two internal negative supplies to ensure

ground-referenced, headset and line driver

capless outputs

■ Internal undervoltage mute

■ Line driver 2 Vrms typ. Output voltage across

entire supply voltage range

■ Pop-&-click reduction circuitry, thermal

shutdown and output short-circuit protection

Applications

■ PDP/LCD TV

■ Set-top boxes

Description

The TS4604 is a stereo ground-referenced output

analog line driver and stereo headset driver

whose design allows the output DC-blocking

capacitors to be removed, thus reducing

component count. The TS4604 drives 2 Vrms into

a 5 k

Ω load or more. The device has differential

inputs and uses external gain setting resistors.

The TS4604 delivers up to 100 mW per channel

into a 16

Ωload. All outputs of the TS4604 include

±8 kV human body model ESD protection cells.

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28

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+LDL

-LDL

OUTLDL

AGND

ENLD

PVSSLD

CNLD

CNHP

PVSSHP

ENHP

AGND

OUTHPL

-HPL

+HPL

+HPR

-HPR

OUTHPR

NC

PGND

PVCCHP

CPHP

CPLD

PVCCLD

PGND

EUVP

OUTLDR

-LDR

+LDR

TSSOP28

Pin connections (top view)

www.st.com

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TS4604 Datasheet(PDF) 1 Page - STMicroelectronics

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