TDA8740H-T

更新时间： 2024-02-06 05:04:29

品牌	Logo	应用领域
恩智浦 - NXP		消费电路商用集成电路接收器集成电路光电二极管
页数	文件大小	规格书
24页	326K
描述
IC FM, AUDIO DEMODULATOR, PQFP44, Receiver IC

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技术参数
数据手册

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TDA8740H-T 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	SDIP, SDIP42,.6	Reach Compliance Code：	unknown
风险等级：	5.92	JESD-30 代码：	R-PDIP-T42
JESD-609代码：	e0	端子数量：	42
最高工作温度：	70 °C	最低工作温度：	-20 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SDIP
封装等效代码：	SDIP42,.6	封装形状：	RECTANGULAR
封装形式：	IN-LINE, SHRINK PITCH	电源：	12 V
认证状态：	Not Qualified	子类别：	Other Consumer ICs
最大压摆率：	45 mA	表面贴装：	NO
技术：	BIPOLAR	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	THROUGH-HOLE
端子节距：	1.78 mm	端子位置：	DUAL
Base Number Matches：	1

TDA8740H-T 数据手册

Philips Semiconductors

Product speciﬁcation

Satellite sound circuit with noise reduction

TDA8740; TDA8740H

FEATURES

APPLICATIONS

• Demodulation of main audio signal using wide band PLL

(lock range selectable)

• Satellite receivers

• TV sets

•

Demodulation of secondary audio signals using wide

band PLL

• Video recorders.

• HF input selection: two-out-of-eight secondary audio

signals can be selected

GENERAL DESCRIPTION

The TDA8740; TDA8740H is a multi-function sound IC for

use in satellite receivers, television sets and video

recorders. The pin numbers given in parenthesis

throughout this document refer to the QFP44 package.

• Noise reduction of the secondary audio signals

• Output selection: stereo, language 1, language 2, main

audio and external

• Mute control

• Line outputs (SCART level).

QUICK REFERENCE DATA

SYMBOL

Supply

PARAMETER

CONDITIONS MIN.

TYP. MAX. UNIT

V_P

supply voltage

13.2

2.0

Main channel

V_IN3(rms)

input sensitivity pin 18 (14) (RMS value)

lock range PLL demodulator

either

S/N(A) = 40 dB

−

1.0

∆f_OM

5.5

10.0

−9

−

7.5

11.5

−4

MHz

dBV

−

V_OM

output voltage pin 23 (19)

signal-to-noise ratio

−6

S/N(A)

A-weighted

−

Secondary channels

V_IN1,IN2

input sensitivity pins 2, 4, 6, 8, 10, 12, 14 and 16 S/N(A) = 40 dB

(1, 3, 5, 7, 9, 11, 40 and 42) (RMS value)

−

0.8

1.5

∆f_OS1,2

V_OR,OL

S/N(A)

lock range PLL demodulators

6.0

−8

−

8.5

−4

−

MHz

dBV

output voltage pins 24 and 25 (20 and 21)

−6

signal-to-noise ratio

A-weighted

Crosstalk

α_S/M

crosstalk from secondary to main channel

crosstalk from main to secondary channel

crosstalk between secondary channels

−

α_M/S

α_S/S

October 1994

123 4 5 6 7...24

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