E-TDA7437N

更新时间： 2024-01-01 16:32:06

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		音频控制集成电路消费电路商用集成电路
页数	文件大小	规格书
34页	354K
描述
Digitally controlled audio processor

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技术参数
数据手册

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E-TDA7437N 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	10 X 10 MM, 1.40 MM HEIGHT, LEAD FREE, TQFP-44
针数：	44	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.84	信道分离：	95 dB
商用集成电路类型：	TONE CONTROL CIRCUIT	谐波失真：	0.01%
JESD-30 代码：	S-PQFP-G44	长度：	10 mm
频带数量：	3	信道数量：	2
功能数量：	1	端子数量：	44
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	HLQFP
封装等效代码：	QFP44,.47SQ,32	封装形状：	SQUARE
封装形式：	FLATPACK, HEAT SINK/SLUG, LOW PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	9 V	认证状态：	Not Qualified
座面最大高度：	1.6 mm	子类别：	Audio Control ICs
最大供电电压 (Vsup)：	10.2 V	最小供电电压 (Vsup)：	6 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.8 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	10 mm
Base Number Matches：	1

E-TDA7437N 数据手册

TDA7437N

Digitally controlled audio processor

Features

■ Input multiplexer

– Four stereo, one mono input, and one

differential input

– Selectable input gain for optimal adaptation

to different sources

■ Fully programmable loudness function

■ Volume control in 1dB steps including gain up

to 16dB

■ Zero crossing mute, soft mute and direct mute

■ Bass and treble control

LQFP44

■ Four speaker attenuators- four independent

speakers control in 1dB steps for balance and

fader facilities

■ Pause detector programmable threshold

low noise are obtained. Several new features like

softmute, and zero-crossing mute are

■ All functions programmable via serial I C bus

implemented. The soft Mute function can be

activated in two ways either via the serial bus

(Mute byte, bit D0), or directly on pin 28 through

an I/O line of the microcontroller

Description

The audioprocessor TDA7437N is an upgrade of

the TDA731X audioprocessor family.

Very low DC stepping is obtained by use of a

BICMOS technology.

Due to a highly linear signal processing, using

CMOS-switching techniques instead of standard

bipolar multipliers, very low distortion and very

Order codes

Part numbers

Package

Packing

E-TDA7437N

LQFP44 (10x 10x 1.4mm)

Tray

E-TDA7437NTR

Tape and reel

December 2006

Rev 2

1/34

www.st.com

12 3 4 5 6 7...34

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