ADF4378 datasheet(6/84 Pages) AD

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Data Sheet

ADF4378

SPECIFICATIONS

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Rev. A | 6 of 84

Table 1. Specifications (Continued)

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

110

fOUT = 3 GHz, fREF = 200 MHz, fPFD = 200

MHz, R_DIV = 1, REF_SEL = 0

110

fOUT = 1.6 GHz, fREF = 200 MHz, fPFD = 200

MHz, R_DIV = 1, REF_SEL = 0

122

fOUT = 3 GHz, fREF = 100 MHz, fPFD = 200

MHz, EN_RDBLR = 1, REF_SEL = 0

N_DEL, R_DEL Step Size

N_DEL Range

105

N_DEL = 127, R_DEL = 0

R_DEL Range

127

N_DEL = 0, R_DEL = 127

SYSREF OUTPUT-TO-CLOCK OUTPUT DELAY

Device setup5 for all delay specifications

unless noted, measure the rising edge at CLK

output to the rising edge at SYSREF output

SR_DEL Step Size

0.8

SR_DEL Range

110

LOGIC INPUTS (CSB, SCLK, SDIO, ENCLK, and

ENSR )

Input High Voltage

VINH

1.2

Input Low Voltage

VINL

0.6

Input Current (High, Low)

IIH/IIL

±1

µA

Input Capacitance (CSB, SCLK, ENCLK, ENSR)

CIN

SDIO

CIN-SDIO

LOGIC INPUT (CE Pin)

Input High Voltage

VINH-CE

1.8

Input Low Voltage

VINL-CE

0.8

Input Current (High, Low)

IIH-CE/IIL-CE

±1

μA

Input Capacitance

CIN-CE

LOGIC OUTPUTS (SDIO, SDO, LKDET, MUXOUT)

Output High Voltage (1.8 V Mode)

VOH

1.5

1.8

IOH = 500 μA, 1.8 V output selected (default

setting)

Output High Voltage (3.3 V Mode)

VOH-3V

V3.3V − 0.4

IOH = 500 μA, 3.3 V output selected, set by

voltage on V3_LDO pin

Output Low Voltage

VOL

0.4

IOL = 500 μA

SDO High-Z Leakage

IZH/IZL

±1

μA

POWER SUPPLIES

Device setup6 for all supply current

specifications, unless noted

V5_VCO Supply Range

VV5_VCO

4.75

5.25

V5_CAL Supply Range

VV5_CAL

4.75

5.25

V5_CP Supply Range

VV5_CP

4.75

5.25

V3.3V_1 Supply Range

V3.3V_1

3.15

3.3

3.45

3.3 V Power Supply Group 1 (V3_LS,

V3_LDO, V3_REF, V3_PFD, V3_NDIV,

V3_SRIN)

V3.3V_2 Supply Range

V3.3V_2

3.15

3.3

3.45

3.3 V Power Supply Group 2 (V3_CLK,

V3_SROUT, V3_VCO, V3_CLKDIV)

V5_VCO Supply Current

IV5_VCO

135

fOUT = 12.8 GHz

170

220

fOUT = 6.4 GHz, CLKOUT_DIV = 0

V5_CAL Supply Current

IV5_CAL

160

μA

During VCO calibration

V5_CP Supply Current

IV5_CP

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