SA8016WC 데이터 시트보기 (PDF) - Philips Electronics

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SA8016WC

2.5GHz low voltage fractional-N synthesizer

Philips Electronics 

Philips Semiconductors

2.5GHz low voltage fractional-N synthesizer

Product specification

SA8016

13

CLOCK

14

DATA

2–BIT SHIFT

REGISTER

15

STROBE

ADDRESS DECODER

22–BIT SHIFT

REGISTER

CONTROL

LATCH

GND

4

PUMP

CURRENT

SETTING

PUMP

BIAS

LOAD SIGNALS

RFin+

RFin–

5

6

AMP

LATCH

MAIN DIVIDER

COMP

PHASE

DETECTOR

12

REFin+

REFin–

11

LATCH

REFERENCE

DIVIDER

2

TEST

3

VDD

Figure 3. Block Diagram (TSSOP16)

TSSOP16 PIN DESCRIPTION

SYMBOL PIN

DESCRIPTION

LOCK

1 Lock detect output

TEST

VDD

GND

2 Test (should be either grounded or

connected to VDD)

3 Digital supply

4 Digital ground

RFin+

5 RF input to main divider

RFin–

6 RF input to main divider

GNDCP

PHP

7 Charge pump ground

8 Main normal charge pump

VDDCP

RSET

9 Charge pump supply voltage

10 External resistor from this pin to ground

sets the charge pump current

REFin–

11 Reference input

REFin+

12 Reference input

CLOCK

13 Programming bus clock input

DATA

14 Programming bus data input

STROBE

15 Programming bus enable input

PON

16 Power down control

10

RSET

9

VDDCP

8

PHP

7

GNDCP

1

LOCK

16

PON

SR01506

1999 Nov 04

3

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