RFDA2046 Datasheet, PDF (8/14 Pages) RF Micro Devices – Digital Controlled Variable Gain Amplifier 1800MHz to 2800MHz

RFDA2046
Programming Example: 6-Bit
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 min
Output Set
Power-up Programming Truth Table
PUP
Attenuator Setting
Low
Attenuation at max, 31.5dB
High
Attenuation at min, 0dB
Logic Voltage Levels
State
Logic
Low
0V to 0.8V
High
2.0V to 5.0V
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS131204
For sales or technical support, contact RFMD at +1.336.678.5570 or [e-mail].
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
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