E-TDA7478D

更新时间： 2024-01-10 14:03:12

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, SOP-16

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E-TDA7478D 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

TDA7478

Figure 4. RDS timing diagram

CLOCK

LINE

DATA

LINE

3 OUTPUT TIMING

The RDS (1187.5Hz) output clock on RDCL line is synchronized to the incoming data. According to the internal

PLL lock condition data change can result on the falling or on the rising clock edge. (see Fig. 1)Whichever clock

edge is used by the decoder (rising or falling edge) the data will remain valid for 416.7

tion.

µs after the clock transi-

4 OSCILLATOR CONTROLS (FSEL, OSEL)

Two different crystal frequencies can be used. The adaption of the internal clock divider to the external crystal

is achieved via the input pin FSEL. See the following table for reference:

Table 6.

Crystal

FSEL (pin configuration)

4.332MHz

8.664MHz

connected to GND or open

connected to Vs

A special mode is introduced to reduce EMI. With pin OSEL connected to GND the internal oscillator is switched

off and an external sinusoidal frequency could be applied on OSCIN. The peak to peak voltage of this signal

can be reduced down to 60mV.

In this mode the frequency selection via FSEL is still active.

Suggested values of C1 and C2 are shown in the following table:

Table 7.

Crystal

4.332MHz

8.664MHz

27pF

47pF

4/8

1 2 345 6 7 8

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