ADF7012 datasheet(4/28 Pages) AD

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ADF7012

Rev. 0 | Page 4 of 28

Parameter

B Version

Unit

Conditions/Comments

PHASE-LOCKED LOOP PARAMETERS

VCO Gain

315MHz

MHz/V typ

VCO divide-by-2 active

433MHz

MHz/V typ

VCO divide-by-2 active

868MHz

MHz/V typ

915MHz

MHz/V typ

VCO Tuning Range

0.3/2.0

V min/max

Spurious (IVCO Min/Max)

−65/−70

dBc

IVCO is programmable

Charge Pump Current

Setting [00]

0.3

mA typ

Refering to DB[7:6] in Function Register

Setting [01]

0.9

mA typ

Refering to DB[7:6] in Function Register

Setting [10]

1.5

mA typ

Refering to DB[7:6] in Function Register

Setting [11]

2.1

mA typ

Refering to DB[7:6] in Function Register

Phase Noise (In band)1

315MHz

−85

dBc/Hz typ

PFD = 10 MHz, 5 kHz offset, IVCO = 2 mA

433MHz

−83

dBc/Hz typ

PFD = 10 MHz, 5 kHz offset, IVCO = 2 mA

868MHz

−80

dBc/Hz typ

PFD = 10 MHz, 5 kHz offset, IVCO = 3 mA

915MHz

−80

dBc/Hz typ

PFD = 10 MHz, 5 kHz offset, IVCO = 3 mA

Phase Noise (Out of Band)1

315MHz

−103

dBc/Hz typ

PFD = 10 MHz, 1 MHz offset, IVCO = 2 mA

433MHz

−104

dBc/Hz typ

PFD = 10 MHz, 1 MHz offset, IVCO = 2 mA

868MHz

−115

dBc/Hz typ

PFD = 10 MHz, 1 MHz offset, IVCO = 3 mA

915MHz

−114

dBc/Hz typ

PFD = 10 MHz, 1 MHz offset, IVCO = 3 mA

Harmonic Content (Second)2

−20

dBc typ

FRF = FVCO

Harmonic Content (Third)2

−30

dBc typ

Harmonic Content (Others)2

−27

dBc typ

Harmonic Content (Second)2

−24

dBc typ

FRF = FVCO/N (where N = 2, 4, 8)

Harmonic Content (Third)2

−14

dBc typ

Harmonic Content (Others)2

−19

dBc typ

LOGIC INPUTS

Input High Voltage,VINH

0.7 × DVDD

V min

Input Low Voltage, VINL

0.2 × DVDD

V max

Input Current, IINH/IINL

±1

µA max

Input Capacitance, CIN

4.0

pF max

LOGIC OUTPUTS

Output High Voltage, VOH

DVDD − 0.4

V min

CMOS output chosen

Output High Current, IOH,

500

µA max

Output Low Voltage, VOL

0.4

V max

IOL = 500 µA

1 Measurements made with NFRAC = 2048.

2 Measurements made without harmonic filter.

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