RFDA0047 Datasheet, PDF (6/11 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 400MHZ TO 2700MHZ

RFDA0047
Truth Table
Channel 1 Control Bit
D11
D10
D9
D8
D7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
1
0
0
0
0
0
Gain Relative to Maximum Gain
D6
1
0dB
0
-0.5dB
1
-1dB
1
-2dB
1
-4dB
1
-8dB
1
-16dB
0
-31.5dB
Channel 2 Control Bit
Gain Relative to Maximum Gain
D5
D4
D3
D2
D1
D0
1
1
1
1
1
1
0dB
1
1
1
1
1
0
-0.5dB
1
1
1
1
0
1
-1dB
1
1
1
0
1
1
-2dB
1
1
0
1
1
1
-4dB
1
0
1
1
1
1
-8dB
0
1
1
1
1
1
-16dB
0
0
0
0
0
0
-31.5dB
Power-up Programming Truth Table
PUP
Attenuator Setting
High
Attenuation at min, 0dB
Low
Attenuation at max, 31.5dB
State
Low
High
Logic Voltage Levels
Logic
0V to 0.8V
2.0V to 5.0V
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DS140513