RFDA0015 Datasheet, PDF (7/10 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER

RFDA0015
Pin Names and Descriptions
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
ACG1
External bypass capacitor required for F<500MHz. (impacts step error)
6
ACG2
External bypass capacitor required for F<500MHz. (impacts step error)
7
ACG3
External bypass capacitor required for F<500MHz. (impacts step error)
8
ACG4
External bypass capacitor required for F<500MHz. (impacts step error)
9
ACG5
External bypass capacitor required for F<500MHz. (impacts step error)
10
ACG6
External bypass capacitor required for F<500MHz. (impacts step error)
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
NC
No internal connection.
16
NC
No internal connection.
17
VDD
Digital Attenuator Supply Voltage.
18
D5
Digital Attenuator Parallel Control Line - 16dB Bit.
19
D4
Digital Attenuator Parallel Control Line - 8dB Bit.
20
D3
Digital Attenuator Parallel Control Line - 4dB Bit.
21
D2
Digital Attenuator Parallel Control Line - 2dB Bit.
22
D1
Digital Attenuator Parallel Control Line - 1dB Bit.
23
D0
Digital Attenuator Parallel Control Line - 0.5dB Bit.
24
NC
No internal connection.
25
NC
No internal connection.
26
NC
No internal connection.
27
NC
No internal connection.
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.
DS120817
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
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