TS4985 Datasheet

IC型號：
TS4985
PDF描述：
2x1.2w Stereo Audio Power Amplifier with Dedicated Standby P...
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PDF頁數(shù)：
29頁
芯片廠家：
STMICROELECTRONICS

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TS4985

2 X 1.2W Stereo Audio Power Amplifier with

Dedicated Standby Pins

鈻?/div>

Operating from V

=2.2V to 5.5V

1.2W output power per channel @ V

=5V,

THD+N=1%, RL=8鈩?/div>

10nA standby current

62dB PSRR @ 217Hz with grounded inputs

High SNR: 106dB(A) typ.

Near zero pop & click

Lead-free 15 bumps, flip-chip package

Flip-chip - 15 bumps

Pin Connection (top view)

VCC2

IN+R

Description

The TS4985 has been designed for top-class

stereo audio applications. Thanks to its compact

and power-dissipation efficient flip-chip package,

it suits various applications.

With a BTL configuration, this audio power

amplifier is capable of delivering 1.2W per

channel of continuous RMS output power into an

8鈩?load @ 5V.

Each output channel (left and right), has an

external controlled standby mode pin (STDBYL &

STDBYR) to reduce the supply current to less

than 10nA per channel. The device also features

an internal thermal shutdown protection.

The gain of each channel can be configured by

external gain setting resistors.

鈻?/div>

VCC1

STDBYL

IN-R

VO+L

VO-L

BYPASS

VO+R

VO-R

IN+L

GND2

IN-L

STDBYR

GND1

Applications

Cellular mobile phones

Notebook & PDA computers

LCD monitors & TVs

Portable audio devices

Order Codes

Part Number

TS4985EIJT

TS4985EKIJT

-40, +85擄C

Temperature Range

Package

Lead free flip-chip

Lead free flip-chip +

back coating

Packaging

Tape & Reel

Marking

A85

May 2005

Rev 2

1/29

www.st.com

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