TDA7469 Datasheet

IC型號：
TDA7469
PDF描述：
LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPL...
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279.59KB
PDF頁數(shù)：
13頁
芯片廠家：
STMICROELECTRONICS

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TDA7469

LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH

HEADPHONE POWER AMPLIFIER

鈻?/div>

FEATURES

2 STEREO INPUT

1 STEREO OUTPUT

TREBLE BOOST

BASS CONTROL

BASS AUTOMATIC LEVEL CONTROL

VOLUME CONTROL IN 1dB STEPS

MUTE

STAND-BY FUNCTION SOFTWARE

CONTROLLED

ALL FUNCTION ARE PROGRAMMABLE VIA

SERIAL BUS

Figure 1. Package

SSOP24

Table 1. Order Codes

Part Number

TDA7469

TDA746913TR

Package

SSOP24

Tape & Reel

鈻?/div>

DESCRIPTION

The TDA7469 is a volume tone (bass and treble) pro-

cessor for quality audio applications in Low voltage

supply portable systems.

Bass ALC (Automatic Level Control) function can be

adjusted by a dedicated pin. The control of all the

functions is accomplished by serial bus.

Figure 2. Block Diagram

The AC signal setting is obtained by resistor net-

works and switches combined with operational ampli-

fiers.

Thanks to the used BIPOLAR/CMOS Technology,

Low Distortion, Low Noise and DC stepping are ob-

tained.

5.6K

3.3nF

68nF

0.47碌F

IN1-R

25K

MUX_R

TREBLE-R

BASSI-R

BASSO-R

+6dB

梅

0dB

VOLUME

TREBLE

16鈩?or

32鈩?/div>

BASS

220碌F

PGND-R

PVS-R

OUT-R

25K

0.47碌F

IN2-R

25K

+6dB

梅

-63dB

SUPPLY

BASS_ALC

CONTROL

25K

0.47碌F

ALC

HALF_WAVE

RECTIFIER

I2C BUS DECODER + LATCHES

SCL

SDA

IN1-L

0.47碌F

25K

+6dB

梅

-63dB

VOLUME

25K

+6dB

梅

0dB

TREBLE

BASS

16鈩?or

32鈩?/div>

REF

SUPPLY

PVS-L

PGND-L

25K

0.47碌F

IN2-L

220碌F

OUT-L

25K

D00AU1234

MUX_L

3.3nF

TREBLE-L

BASSI-L

68nF

5.6K

BASSO-L

GND

CREF

22碌F

June 2004

REV. 2

1/13

標(biāo)準包裝
59
類別
集成電路 (IC)
家庭
線性 - 音頻處理
系列
-
類型
音頻處理器
應(yīng)用
便攜式設(shè)備
安裝類型
表面貼裝
封裝/外殼
24-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝
24-SSOP
包裝
管件

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