ADF4371 datasheet(3/46 Pages) AD

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Preliminary Technical Data

ADF4371

Rev. PrI | Page 3 of 46

SPECIFICATIONS

4.75V ≤ VCCVCO ≤ 5.25 V, All other supply pins = 3.3 V ± 5%, GND = 0 V, dBm referred to 50 Ω, TA = TMIN to TMAX, unless otherwise noted.

Table 1.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

REFP/REFN CHARACTERISTICS

Input Frequency

Single-Ended Mode

500

MHz

Differential Mode

600

MHz

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

LVDS and LVPECL compatible,

REFP/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

±120

µA

Single-ended reference

programmed

±300

µA

Differential reference

programmed

Phase Detector Frequency

160

MHz

Fractional Mode (Variable

Modulus)

Phase Detector Frequency

160

MHz

Fractional Mode (Fixed Modulus)

Phase Detector Frequency

250

MHz

Integer Mode

CHARGE PUMP (CP)

Charge Pump Current, Sink/Source

ICP

High Value

4.8

Low Value

0.3

Current Matching

0.5 V ≤ VCP1 ≤ VP − 0.5 V

ICP vs. VCP

0.5 V ≤ VCP1 ≤ VP − 0.5 V

ICP vs. Temperature

1.5

VCP1 = 2.5 V

LOGIC INPUTS

(CSB / SDIO /SCLK) CE is 3V 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

DVDD-

0.4

3.3 V output selected

1.5

1.8

1.8 V output selected

Output High Current

IOH

500

µA

Output Low Voltage

VOL

0.4

IOL2 = 500 µA

POWER SUPPLIES

AVDD3

(VCC_CAL, VCC_X4, VDD_X4, VCC_X1,

VDD_X1, VCC_X2, VCC_MUX, VCC_3V,

VDD_NDIV, VDD_LS, VCC_LDO_3V,

VCC_REF, VDD_PFD, VDD_VP)

AVDD

AIDD

3.15

175

3.45

225

All pins listed are grouped as

AVDD, and are at same voltage.

All outputs are disabled.

Output Dividers

7 to 42

VCC_VCO Supply Voltage

VCC_VCO

3.13

3.3

3.47

3.3 V condition

4.75

5.25

5 V condition

VCO Supply Current

IVCO

120

150

Characterized for VCC_VCO=5 V

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