ADF4355BCPZ datasheet(6/36 Pages) AD

Part #	ADF4355BCPZ

Description	Analog and digital lock detect

PDF	36 Pages

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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6 / 36 page

Data Sheet

ADF4355

Rev. A | Page 5 of 35

TIMING CHARACTERISTICS

AVDD = DVDD =VRF = 3.3 V ± 5%, 4.75 V ≤ VP = VVCO ≤ 5.25 V, AGND = CPGND = AGNDVCO = SDGND = AGNDRF = 0 V, RSET = 5.1 kΩ,

dBm referred to 50 Ω, TA = TMIN to TMAX, unless otherwise noted.

Table 2. Write Timing

Parameter

Limit

Unit

Description

fCLK

MHz max

Serial peripheral interface CLK frequency

ns min

LE setup time

ns min

DATA to CLK setup time

ns min

DATA to CLK hold time

ns min

CLK high duration

ns min

CLK low duration

ns min

CLK to LE setup time

20 or (2/fPFD), whichever is longer

ns min

LE pulse width

Write Timing Diagram

CLK

DATA

DB31 (MSB)

DB30

DB1

(CONTROL BIT C2)

DB0 (LSB)

(CONTROL BIT C1)

DB2

(CONTROL BIT C3)

DB3

(CONTROL BIT C4)

Figure 2. Write Timing Diagram

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