SDA4331X datasheet(3/13 Pages) SIEMENS

Part #	SDA4331X

Description	PLL with I2C Bus for AM/FM Receivers

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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SDA 4331X

Semiconductor Group

3

04.96

1.4

Pin Definitions and Functions

Pin No. Symbol

Input (I)

Output (O)

Function

1

V

DD1

Supply voltage digital (5 V)

2

SCL

I

Clock I2C Bus

3

SDA

I/O

Data I2C Bus

4

A0

I

Address selection, sets the LSB of the IC-address

5

N.C.

6 … 9

SA1 … SA4 O

10 V open drain output, controlled via I2C Bus

10

AM/FM

O

10 V open drain output, indicating the operation

mode (H = AM)

11

FM

IN

I

Input for the FM signal from VCO

12

GND

AN

Ground analog

13

AM

IN

I

Input for the AM signal from VCO

14

N.C.

15

N.C.

16

I

REF

I

Reference current, setting the base current level

for the charge pumps

17

PD

FM

O

FM charge pump output

18

PD

AM

O

AM charge pump output

19

PD

FMA

O

Source follower output FM

20

PD

AMA

O

Source follower output AM

21

V

DD2

Supply voltage digital for charge pump and source

followers (up to 10 V)

22

OSC

FB

I/O

Oscillator feedback, quartz terminal

23

OSC

IN

I

Oscillator input, quartz terminal, optionally input

for external reference

24

GND

Ground digital

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SDA4331X Datasheet(PDF) 3 Page - Siemens Semiconductor Group

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