TDA8205

更新时间： 2024-02-15 11:21:22

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		消费电路商用集成电路光电二极管
页数	文件大小	规格书
8页	165K
描述
NICAM QPSK DEMODULATOR

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技术参数
数据手册

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TDA8205 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	not_compliant	HTS代码：	8542.39.00.01
风险等级：	5.91	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	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：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SDIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE, SHRINK PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	5.08 mm	最大压摆率：	42 mA
最大供电电压 (Vsup)：	5.25 V	最小供电电压 (Vsup)：	4.75 V
表面贴装：	NO	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	THROUGH-HOLE
端子节距：	1.778 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	15.24 mm
Base Number Matches：	1

TDA8205 数据手册

TDA8205

NICAM QPSK DEMODULATOR

HIGHLY INTEGRATED TWO CHIP SOLU-

TION FOR NICAM DEMODULATION (using

TDA8204 decoder)

AUTOMATIC DUAL STANDARD DEMODULA-

TION

6.552MHz FOR I SYSTEM

5.85MHz FOR B/G SYSTEM

40dB RANGE AGC

SINGLE CRYSTAL OPERATION

SHRINK 42

(Plastic Package)

NICAM 728 DATA AND CLOCK RECOVERY

LOW PASS FILTER FOR PWM CODED

AUDIO SIGNALS AND J-17 DE-EMPHASIS

AUTOMATIC FM MONO SELECTION BY RE-

SERVE SOUND SWITCH FUNCTION

VERSATILE AUDIO SWITCHING MATRIX

AUTOMATIC MUTE FUNCTION

ORDER CODE : TDA8205

PIN CONNECTIONS

GND

XC1

LF1

LF2

XC2

XK1

V_CC

EAIR

DF2

DF1

EAIL

SAIR

SAIL

MAI

BG _IN

I_IN

AGC

V_CC

CAP

V_DD

LFIL1

AMOR

AMOL

DESCRIPTION

The TDA8205 is essentially divided into two signal

processing sections. The first section handles all

the NICAM signal acquisition, the QPSK demodu-

lator and clock and data recovery circuits. The key

point to note about this section is the dual fre-

quency synthesiser. By use of only one quartz

crystal, the IC is able to demodulate QPSK signals

from either system I or system B/G in an automatic

way. The second section of the TDA8205 manages

the analog parts of the twin digital-to-analog con-

verters (DACs) and all filtering and audio switching

downstream of the DACs. A simple serial bus from

the TDA8204 allows control of the switch functions

by the CTV system microcontroller.

GND

DC2

DC1

AOR

RFIL1

RESET

V_DD

AOL

GND

SERI

DACDL

DACDR

GND

CK11648

MMO

TEST

NDO

CK728

1/8

October 1993

12 3 4 5 6 7 8

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