ADF4368 datasheet(4/54 Pages) AD

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Data Sheet

ADF4368

SPECIFICATIONS

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Rev. 0 | 4 of 54

Table 1. Electrical Specifications (Continued)

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

DIV_RCLK VCO Calibration Frequency

fDIV_RCLK

125

MHz

Must set DCLK_MODE = 1, when fDIV_RCLK >

80 MHz

FEEDBACK (N) AND OUTPUT DIVIDER (O)

4095

Integer mode

4095

Fractional mode

1, 2, 4, 8

RF OUTPUTS (RFOUT1P/N, RFOUT2P/N)

Differential termination = 100 Ω for all RF

output specifications, unless noted

Output Frequency

fOUT

0.8

12.8

GHz

Output Single-Ended Power

VOD

dBm

CLK1_OPWR = CLK2_OPWR = 15, fOUT = 4

GHz to 12.8 GHz

5.5

dBm

CLK1_OPWR = CLK2_OPWR = 10, fOUT = 4

GHz to 12.8 GHz

1.5

dBm

CLK1_OPWR = CLK2_OPWR = 5, fOUT = 4

GHz to 12.8 GHz

−2

dBm

CLK1_OPWR = CLK2_OPWR = 0, fOUT = 4

GHz to 12.8 GHz

Output Resistance

100

Differential

Output Common Mode

V3.3V_2 −

VOD

No pull-up inductor

V3.3V_2

With pull-up inductor

Output Rise Time

20%-80%, CLK1_OPWR = CLK2_OPWR =

10,

Output Fall Time

80%-20%, CLK1_OPWR = CLK2_OPWR =

10,

Output Duty Cycle

Skew, RFOUT1 to RFOUT2

3 ± 1

One ADF4368 device

3 ± 1

Across multiple ADF4368 devices, TJ

within 10℃, same R_DIV, CLKOUT_DIV,

EN_RDBLR used

REFERENCE INPUT TO OUTPUT DELAY

Device setup for all delay specifications,

unless noted, measure rising reference edge

at REFP input to rising edge at RFOUT1P

output

Propagation Delay

tPD

190

REF_SEL = 0, R = 1, doubler = disabled

Propagation Delay Temperature Coefficient

tPD

0.06

ps/°C

REF_SEL = 0

LOGIC INPUTS (CSB, SCLK, SDIO, ENCLK1, ENCLK2)

Input High Voltage

VINH

1.2

Input Low Voltage

VINL

0.6

Input Current (High, Low)

IIH/IIL

±1

µA

Input Capacitance

CIN

LOGIC INPUT (CE)

Input High Voltage

VINH-3V

1.8

Input Low Voltage

VINL-3V

0.8

Input Current (High, Low)

IIH-3V/IIL-3V

±1

μA

Input Capacitance

CIN-3V

LOGIC OUTPUTS (SDIO, SDO, LKDET, MUXOUT)

Output High Voltage

VOH

1.5

1.8

IOH = 500 μA, 1.8 V output selected (default

setting)

Output High Voltage

VOH-3V

V3.3V − 0.4

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

voltage on V_LDO pin

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