ADF4350 datasheet(3/28 Pages) AD

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ADF4350

Rev. 0 | Page 3 of 28

SPECIFICATIONS

AVDD = DVDD = VVCO = SDVDD = VP = 3.3 V ± 10%; AGND = DGND = 0 V; TA = TMIN to TMAX, unless otherwise noted. Operating

temperature range is −40°C to +85°C.

Table 1.

Parameter

B Version

Unit

Conditions/Comments

Min

Typ

Max

REFIN CHARACTERISTICS

Input Frequency

105

MHz

For f < 10 MHz ensure slew rate > 21 V/μs

Input Sensitivity

0.7

AVDD

V p-p

Biased at AVDD/21

Input Capacitance

Input Current

±60

μA

PHASE DETECTOR

Phase Detector Frequency2

MHz

CHARGE PUMP

ICP Sink/Source3

With RSET = 5.1 kΩ

High Value

Low Value

0.312

RSET Range

2.7

kΩ

Sink and Source Current Matching

0.5 V ≤ VCP ≤ 2.5 V

ICP vs. VCP

1.5

0.5 V ≤ VCP ≤ 2.5 V

ICP vs. Temperature

VCP = 2.0 V

LOGIC INPUTS

Input High Voltage, VINH

1.5

Input Low Voltage, VINL

0.6

Input Current, IINH/IINL

±1

μA

Input Capacitance, CIN

3.0

LOGIC OUTPUTS

Output High Voltage, VOH

DVDD − 0.4

CMOS output chosen

Output High Current, IOH

500

μA

Output Low Voltage, VOL

0.4

IOL = 500 μA

POWER SUPPLIES

AVDD

3.0

3.6

DVDD, VVCO, SDVDD, VP

AVDD

These voltages must equal AVDD

DIDD + AIDD4

Output Dividers

6 to 24

Each output divide-by-2 consumes 6 mA

IVCO4

IRFOUT4

RF output stage is programmable

Low Power Sleep Mode

1000

μA

RF OUTPUT CHARACTERISTICS

Maximum VCO Output Frequency

4400

MHz

Minimum VCO Output Frequency

2200

MHz

Fundamental VCO mode

Minimum VCO Output Frequency

Using Dividers

137.5

MHz

2200 MHz fundamental output and divide by 16 selected

VCO Sensitivity

MHz/V

Frequency Pushing (Open-Loop)

MHz/V

Frequency Pulling (Open-Loop)

kHz

Into 2.00 VSWR load

Harmonic Content (Second)

−19

dBc

Fundamental VCO output

Harmonic Content (Third)

−13

dBc

Fundamental VCO output

Harmonic Content (Second)

−20

dBc

Divided VCO output

Harmonic Content (Third)

−10

dBc

Divided VCO output

Minimum RF Output Power 5

−4

dBm

Programmable in 3 dB steps

Maximum RF Output Power5

dBm

Output Power Variation

±1

Minimum VCO Tuning Voltage

0.5

Maximum VCO Tuning Voltage

2.5

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