RFSA2714 Datasheet, PDF (5/9 Pages) RF Micro Devices – Parallel Controlled Digital Step Attenuator 50MHz to 4000MHz

RFSA2714
Truth Table
C16
C8
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
0
0
Control Bit
C4
C2
C1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
0
1
1
1
1
1
1
1
1
0
0
0
C0.5
1
1
0
1
1
1
1
1
0
Note: C0.25 = D0, C0.5 = D1, …, C16 = D6 (for the purpose of the example below)
C0.25
1
0
1
1
1
1
1
1
0
Relative Gain
Setting
Max gain
-0.25dB
-0.5dB
-1dB
-2dB
-4dB
-8dB
-16dB
-31.75dB
Logic Voltage Levels
State
Logic
Low
0V to 0.8V
High
2.0V to 5.0V
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