ADF4372 datasheet(3/47 Pages) AD

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Data Sheet

ADF4372

Rev. 0 | Page 3 of 47

SPECIFICATIONS

4.75 V ≤ VCC_VCO ≤ 5.25 V, all other supply pins (AVDD) = 3.3 V ± 5%, GND = 0 V, dBm referred to 50 Ω, TA = whole operating

temperature range, unless otherwise noted.

Table 1.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

REFP AND REFN CHARACTERISTICS

Input Frequency

Single-Ended Mode

500

MHz

Doubler disabled

Differential Mode

600

MHz

Doubler disabled

Single-Ended or Differential Mode

125

MHz

Doubler enabled

Input Sensitivity

Single-Ended Mode

0.4

AVDD

V p-p

REFP biased at AVDD/2, ac coupling

ensures AVDD/2 bias

Differential Mode

0.4

1.8

V p-p

Low voltage differential signal (LVDS) and

low voltage positive emitter coupled

logic (LVPECL) compatible, REFP and REFN

biased at 2.1 V, ac coupling ensures 2.1 V

bias

Input Capacitance

Single-Ended Mode

6.9

Differential Mode

1.4

Input Current

±150

μA

Single-ended reference programmed

300

μA

Differential reference programmed

Phase Frequency Detector Frequency

(fPFD)

160

MHz

Fractional mode

250

MHz

Integer mode

CHARGE PUMP

Charge Pump Current, Sink and Source

ICP

High Value

5.6

Low Value

0.35

Current Matching

0.5 V ≤ voltage at the CPOUT pin (VCP) ≤

VDD_VP − 0.5 V

ICP vs. VCP

0.5 V ≤ VCP ≤ VDD_VP − 0.5 V

ICP vs. Temperature

1.5

VCP = 2.5 V

LOGIC INPUTS

CS, SDIO, SCLK, and CE are 3 V logic

Input High Voltage

VINH

1.17

Input Low Voltage

VINL

0.63

Input Current

IINH/IINL

±1

μA

Input Capacitance

CIN

3.0

LOGIC OUTPUTS

Output High Voltage

VOH

AVDD

− 0.4

3.3 V output selected

1.5

1.875

1.8 V output selected

Output High Current

IOH

500

μA

Output Low Voltage

VOL

0.4

Output low current (IOL) = 500 μA

POWER SUPPLIES

Supply Voltage (Except VCO)

AVDD

3.15

3.45

VCC_CAL, VCC_X1, VDD_X1, VCC_X2,

VCC_MUX, VCC_3V, VDD_NDIV, VDD_LS,

VCC_LDO_3V, VCC_REF, VDD_PFD,

VDD_VP are grouped as AVDD and are at

the same voltage

Supply Current (Except VCO)1

AIDD

190

260

All outputs are disabled

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