SDA4331 datasheet(3/13 Pages) SIEMENS

tên linh kiện	SDA4331

Giải thích chi tiết về linh kiện	PLL with I2C Bus for AM/FM Receivers

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SDA 4331X

Semiconductor Group

04.96

1.4

Pin Definitions and Functions

Pin No. Symbol

Input (I)

Output (O)

Function

DD1

Supply voltage digital (5 V)

SCL

Clock I2C Bus

SDA

I/O

Data I2C Bus

Address selection, sets the LSB of the IC-address

N.C.

6 … 9

SA1 … SA4 O

10 V open drain output, controlled via I2C Bus

AM/FM

10 V open drain output, indicating the operation

mode (H = AM)

Input for the FM signal from VCO

GND

Ground analog

Input for the AM signal from VCO

N.C.

REF

Reference current, setting the base current level

for the charge pumps

FM charge pump output

AM charge pump output

FMA

Source follower output FM

AMA

Source follower output AM

DD2

Supply voltage digital for charge pump and source

followers (up to 10 V)

OSC

I/O

Oscillator feedback, quartz terminal

OSC

Oscillator input, quartz terminal, optionally input

for external reference

GND

Ground digital

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