Data Sheet

ADF4368

SPECIFICATIONS

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Rev. 0 | 3 of 54

V3.3V_1 = V3.3V_2 = 3.15 V to 3.45 V, VV5_VCO = VV5_CP = VV5_CAL = 4.75 V to 5.25 V, all voltages are with respect to GND, TA = −40°C to 105°C

operating temperature range, unless otherwise noted.

Table 1. Electrical Specifications

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

REFERENCE INPUTS (REFP, REFN)

Input Frequency

fREF

10

4000

MHz

Input Signal Level

VREF

0.5

2.6

V p-p

Differential

Min Input Slew Rate

100

V/μs

Input Duty Cycle

50

%

Self-Bias Voltage

1.85

V

Input Resistance

3

kΩ

Differential

Input Capacitance

1

pF

Differential

Input Current

2

μA

REFERENCE PEAK DETECTOR

Input Frequency

10

4000

MHz

Minimum Input Signal Detected (REF_OK = 1)

200

mVpp

fREF = 100 MHz, single-ended sine wave

Maximum Input Signal Not Detected (REF_OK = 0)

160

mVpp

fREF = 100 MHz, single-ended sine wave

SYNC INPUTS (SYNCP, SYNCN)

Input Signal Level

VREF

0.41

2.61

V p-p

LVDS mode, differential

VREF

0.51

2.61

V p-p

CML mode, differential

Self-Bias Voltage

1.3

V

LVDS mode

1.85

V

CML mode

Input Resistance

3

kΩ

Differential

Input Capacitance

1

pF

Differential

Input Current

3

μA

REFERENCE DIVIDER (R)

R

1

63

All integers included

REFERENCE DOUBLER

Input Frequency

fRDBL

10

250

MHz

EN_RDBLR = 1

PHASE/FREQUENCY DETECTOR (PFD)

Input Frequency

fPFD

31

625

MHz

Integer mode

31

250

MHz

Fractional mode sync or non-sync

applications

31

2501

MHz

Fractional mode phase resync applications

when fOUT ≥ 3 GHz

751

2501

MHz

Fractional mode phase resync applications

when fOUT < 3 GHz

CHARGE PUMP (CP)

Output Current Range

ICP

0.79 to 11.1

mA

Set by CP_I

Output Current Source/Sink Accuracy

±2

%

All setting, = VCP = VV5_CP /2

Output Current Source/Sink Matching

±2

%

All setting, VCP = VV5_CP /2

Output Current vs. Output Volt Sensitivity

0.2

%V/V

1.4 V < VV5_CP < VCP-5V – 1.6 V

Output Current vs. Temperature

400

ppm/C

VCP = VV5_CP /2

Output High-Z Leakage Current

−0.01

μA

Minimum ICP, 1.4 V < VV5_CP < VCP-5V – 1.6 V

Output High-Z Leakage Current

−0.3

μA

Maximum ICP, 1.4 V < VV5_CP < VCP-5V – 1.6 V

VCO

Frequency Range

fVCO

6.4

12.8

GHz

Tuning Sensitivity2, 3

KVCO

0.75 to 1.25

%Hz/V