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Data Sheet

ADF5902

Rev. 0 | Page 5 of 39

TIMING SPECIFICATIONS

Write Timing Specifications

AHI = TX_AHI = RF_AHI = VCO_AHI = DVDD = CP_AHI = 3.3 V ± 5%, GND = 0 V, dBm referred to 50 Ω, TA = TMIN to TMAX, unless

otherwise noted. The operating temperature range is −40°C to +105°C.

Table 2.

Parameter

Limit at TMIN to TMAX

Unit

Description

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

ns min

LE pulse width

ns max

LE setup time to DOUT

ns max

CLK setup time to DOUT

CLK

DATA

DB30

DB1

(CONTROL BIT C2)

DB2

(CONTROL BIT C3)

DB0 (LSB)

(CONTRO BIT C1)

DB31 (MSB)

DB0

DB1

DB31

(MSB)

DB30

DOUT

Figure 2. Write Timing Diagram

500µA

IOL

500µA

IOH

DVDD/2

TO DOUT AND

MUXOUT PINS

10pF

Figure 3. Load Circuit for DOUT/MUXOUT Timing, CL = 10 pF

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