RFDA0066 Datasheet, PDF (10/18 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 5MHz TO 1GHz, 12-BIT 0.5dB LSB CONTROL

RFDA0066
Power-up Programming Truth Table
PUP
Attenuator Setting
Low
Attenuation at Max, 31.5dB
High
Attenuation at Min, 0dB
Logic Voltage Table
State
Logic
Low
0V to 0.8V
High
2.0 to 5.0V
SPI Timing Diagram
t6
t1
t2
t3
t4
t5
CLK
DATA
t7
LE
DOUT
t8
t9
t10
SPI Timing Diagram Specifications
Parameter
Limit
Unit
Comment
t1
25
MHz max
CLK Frequency
t2
20
ns min
CLK High
t3
20
ns min
CLK Low
t4
5
ns min
DATA to CLK Setup Time
t5
5
ns min
DATA to CLK Hold Time
t6
30
ns min
DATA Valid
t7
5
ns min
LE to CLK Setup Time
t8
5
ns min
CLK to LE Setup Time
t9
10
ns min
LE Pulse Width
t10
20
ns max
Output Set
10 of 18
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
DS141218