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RFDA0025 Datasheet(PDF) 8 Page - RF Micro Devices

Part # RFDA0025
Description  DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER
PDF  11 Pages
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Manufacturer  RFMD [RF Micro Devices]
Direct Link  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RFDA0025 Datasheet(HTML) 8 Page - RF Micro Devices

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RFDA0025
DS120817
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
Pin Names and Description
Pin
Function
Description
1
AMPIN
Amplifier Input. DC Block Required.
2GND
RF/DC Ground Connection.
3GND
RF/DC Ground Connection.
4ATTOUT
Digital Attenuator Output. DC Block Required.
5ACG1
External bypass capacitor required for F < 500MHz (impacts step error).
6ACG2
External bypass capacitor required for F < 500MHz (impacts step error).
7ACG3
External bypass capacitor required for F < 500MHz (impacts step error).
8ACG4
External bypass capacitor required for F < 500MHz (impacts step error).
9ACG5
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
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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