RFDA2025 Datasheet, PDF (8/11 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER

RFDA2025
Pin
Function
Description
1
AMPIN
Amplifier Input - DC Block Required.
2
GND
RF/DC Ground Connection.
3
GND
RF/DC Ground Connection.
4
ATTOUT
Digital Attenuator Output - DC Block Required.
5
NC
No internal connection.
6
NC
No internal connection.
7
NC
No internal connection.
8
NC
No internal connection.
9
NC
No internal connection.
10
NC
No internal connection.
11
GND
RF/DC Ground Connection.
12
ATTIN
Digital Attenuator Input - DC Block Required.
13
GND
RF/DC Ground Connection.
14
NC
No internal connection.
15
PUP
Power-up programming pin. Low=Max attenuation at power-up (-31.5dB). High=Min attenuation at power-
up (0dB).
16
NC
No internal connection.
17
VDD
Digital Attenuator Supply Voltage.
18
NC
No internal connection.
19
NC
No internal connection.
20
NC
No internal connection.
21
NC
No internal connection.
22
NC
No internal connection.
23
NC
No internal connection.
24
NC
No internal connection.
25
CLK
Serial Clock.
26
DATA
Serial Data.
27
LE
Latch Enable.
28
GND
RF/DC Ground Connection.
29
AMPOUT/VCC ^{Amplifier Output and Bias. External Choke, Bypassing and DC Blocks Required.}
30
GND
RF/DC Ground Connection.
31
GND
RF/DC Ground Connection.
32
GND
RF/DC Ground Connection.
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DS101117