SA7026DK 查看數據表（PDF） - Philips Electronics

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SA7026DK

1.3GHz low voltage fractional-N dual frequency synthesizer

Philips Electronics 

Philips Semiconductors

1.3GHz low voltage fractional-N dual synthesizer

Objective specification

SA7026

Characteristics

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

SYMBOL

PARAMETER

CONDITIONS

MIN.

Supply; pins 3, 13

VDD

VDDCP

IDDTotal

Digital supply voltage

Analog supply voltage

Synthesizer operational digital supply current

Istandby

Total supply current in power-down mode

RFin main divider input; pins 5, 6

2.7

VDDCP = VDD

2.7

VDD = +3.0 V

–

(with main and aux on)

logic levels 0 or VDD –

fVCO

VRFin(rms)

VCO input frequency

AC-coupled input signal level

ZIRFin

Input impedance (real part)

CIRFin

Typical pin input capacitance

Nm

fPCmax

Main divider ratio

Maximum loop comparison frequency

AUX reference divider input; pins 12

500

Rs = 50 Ω; MAX. limit is –18

indicative

fVCO = 2.0 GHz

–

indicative, not tested –

512

indicative, not tested –

fAUXin

Input frequency range

VAUXin

AC-coupled input signal level

ZAUXin

Input impedance (real part)

CAUXin

NAUX

Typical pin input capacitance

Auxiliary division ratio

Reference divider input; pins 15, 16

10

Rs=50Ω; MAX. limit is –18

indicative

80

fVCO=500 MHz

–

indicative, not tested –

128

fREFin

VRFin

Input frequency range from crystal

AC-coupled input signal level

10

RS=50Ω; MAX. limit is 360

indicative

ZREFin

CREFin

Input impedance (real part)

Typical pin input capacitance

RREF

Reference division ratio

Charge pump current setting resistor input; pin 14

–

indicative, not tested –

SA=SM=”000”

4

RSET

VSET

External resistor from pin 3 to ground

Regulated voltage at pin 3

6

RSET=7.5 kΩ

–

Charge pump outputs (including fractional compensation pump); pins 8, 9, 11; RSET =7.5 kΩ, FC=80

Icp

IMATCH

IZOUT

Chargepump current ratio to Iset

Sink-to-source current matching

Output current variation versus Vph2

CURRENT GAIN

–15

IPH/ISET

Vph=1/2 VDDCP

–10

Vph in compliance

–10

range

ILPH

Charge pump off leakage current

Vph

Charge pump voltage compliance

Vcp=1/2 VCC

–10

0.7

TYP.

MAX.

UNIT

–

5.5

V

–

5.5

V

7.5

8.8

mA

1

TBD

µA

–

1300

–

0

TBD

TBD

–

–

–

–

65535

4

MHz

dBm

kΩ

pF

MHz

–

–

–

TBD

TBD

–

550

0

636

–

–

16384

MHz

dBm

mVpp

kΩ

pF

–

40

–

1300

TBD

TBD

–

–

–

1023

MHz

mVpp

kΩ

pF

7.5

24

kΩ

1.25 –

V

+15

%

+10

%

+10

%

+10

nA

–

VDDCP–0.8 V

1998 Oct 13

4

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