SA7016 datasheet(5/18 Pages) PHILIPS

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Philips Semiconductors

Product specification

SA7016

1.3GHz low voltage fractional-N synthesizer

1999 Nov 04

CHARACTERISTICS

VDDCP = VDD = +3.0V, Tamb = +25°C; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply; pins 3, 9

VDD

Digital supply voltage

2.7

–

5.5

VDDCP

Analog supply voltage

VDDCP = VDD

2.7

–

5.5

IDDTotal

Synthesizer operational total supply current

VDD = +3.0V

–

6.2

7.3

IStandby

Total supply current in power-down mode

logic levels 0 or VDD

–

TBD

µA

RFin main divider input; pins 5, 6

fVCO

VCO input frequency

350

–

1300

MHz

VRFin(rms)

AC-coupled input signal level

Rin (external) = Rs = 50Ω;

single-ended drive;

max. limit is indicative

@ 500 to 1300 MHz

–18

–

dBm

ZIRFin

Input impedance (real part)

fVCO = 1.2 GHz

–

625

–

Ω

CIRFin

Typical pin input capacitance

fVCO = 1.2 GHz

–

1.0

–

Nmain

Main divider ratio

512

–

65535

fPCmax

Maximum loop comparison frequency

indicative, not tested

–

MHz

Reference divider input; pins 11, 12

fREFin

Input frequency range from TCXO

–

MHz

VRFin

AC-coupled input signal level

single-ended drive;

max. limit is indicative

360

–

1300

mVPP

ZREFin

Input impedance (real part)

fREF = 20 MHz

–

Ω

CREFin

Typical pin input capacitance

fREF = 20 MHz

–

1.0

–

RREF

Reference division ratio

–

1023

Charge pump current setting resistor input; pin 10

RSET

External resistor from pin to ground

7.5

Ω

VSET

Regulated voltage at pin

RSET=7.5 kΩ

–

1.25

–

Charge pump outputs (including fractional compensation pump); pin 8; RSET =7.5kΩ, FC=80

ICP

Charge pump current ratio to ISET1

Current gain IPH/ISET

–15

+15

IMATCH

Sink-to-source current matching

VPH=1/2 VDDCP.

–10

+10

IZOUT

Output current variation versus VPH2

VPH in compliance range

–10

+10

ILPH

Charge pump off leakage current

VPH=1/2 VCC

–10

+10

VPH

Charge pump voltage compliance

0.7

–

VDDCP–0.8 V

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