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E-TDA7478DTR

更新时间： 2024-02-22 21:00:24

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	171K
描述
SPECIALTY CONSUMER CIRCUIT, PDSO16, 4.40 MM, MO-153AB, TSSOP-16

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技术参数
数据手册

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E-TDA7478DTR 技术参数

生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	16
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.6	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	R-PDSO-G16
长度：	5 mm	功能数量：	1
端子数量：	16	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：	TSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	宽度：	4.4 mm
Base Number Matches：	1

E-TDA7478DTR 数据手册

TDA7478

SINGLE CHIP RDS DEMODULATOR

1 FEATURES

Figure 1. Packages

■ VERY HIGH RDS DEMODULATION QUALITY

WITH IMPROVED DIGITAL SIGNAL

PROCESSING

■ HIGH PERFORMANCE, 57KHz BANDPASS

SO16

TSSOP16

FILTER (8th ORDER)

■ FILTER ADJUSTMENT FREE AND WITHOUT

Table 1. Order Codes

EXTERNAL COMPONENTS

Part Number

TDA7478D

Package

SO16

■ PURELY DIGITAL RDS DEMODULATION

WITHOUT EXTERNAL COMPONENTS

E-TDA7478AD

TSSOP16

■ RDS SIGNAL QUALITY OUTPUT

■ 4.332MHz CRYSTAL OSCILLATOR(8.664MHz

OPTIONAL)

EBU (European Broadcasting Union) specifications.

The device is made up of two sections: a cascaded

antialiasing + switched capacitors 8 bandpass filter

■ LOW NOISE CMOS TECHNOLOGY

■ LOW RADIATION

for precise RDS band selection and a demodulating

section that performs the extraction od RDS data

stream (RDDA) and clock (RDCL), to be further pro-

cessed by a suitable RDS decoder.

2 DESCRIPTION

The TDA7478 recovers the additional inaudible RDS

information which is transmitted by FM radio broad-

casting stations and operates in accordance with the

Output for RDS signal quality is also present.

Figure 2. Block Diagram

C1 27pF 4.332MHz C2 47pF

T57

OSCIN

OSCOUT

MPX

2nd ORDER

ANTIALIASING

FILTER

270pF

OSEL

FSEL

OSCILLATOR &

DIVIDER

RDCL

1187.5Hz

PLL

8th ORDER

SC-BANDPASS

FILTER

57KHz PLL

FILOUT

N.U.

QUAL

QUAL DET.

V_S

100nF

POLARITY

BIPHASE DEC.

VREF

MUX

DIFF. DECODER

RDDA

10µF

INTEGRAL

BIPHASE DEC.

TEST LOGIC

EXTRES

D03AU1490

GND

Rev. 2

1/8

November 2004

12 3 4 5 6 7 8

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