English
Language : 

RFDA0045 Datasheet, PDF (6/10 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 10MHZ TO 850MHZ
RFDA0045
Pin Names and Descriptions
Pin #
Pin Name
Description
1
GND
RF/DC Ground Connection
2
RFIN1
RF Input for Amplifier 1
3
GND
RF/DC Ground Connection
4
RFOUT1
RF Output/Bias for Amplifier 1
5
GND
RF/DC Ground Connection
6
ATTIN
RF Input for Digital Step Attenuator
7
GND
RF/DC Ground Connection
8
ACG1
AC Ground *
9
GND
RF/DC Ground Connection
10
ACG2
AC Ground *
11
ACG3
AC Ground *
12
ACG4
AC Ground *
13
ACG5
AC Ground *
14
GND
RF/DC Ground Connection
15
ACG6
AC Ground *
16
GND
RF/DC Ground Connection
17
ACG7
AC Ground *
18
GND
RF/DC Ground Connection
19
ATTOUT
RF Output for Digital Step Attenuator
20
RFIN2
RF Input for Amplifier 2
21
GND
RF/DC Ground Connection
22
RFOUT2
RF Output/Bias for Amplifier 2
23
GND
RF/DC Ground Connection
24
NC
No Internal Connection
25
NC
No Internal Connection
26
PUP
Power-up Programming Pin
27
VDD
Supply Voltage
28
GND
RF/DC Ground Connection
29
NC
No Internal Connection
30
CLK
Serial Clock
31
DATA
Serial Data Input
32
LE
Latch Enable
* External capacitors to ground are recommended for frequency operation below 500MHz and place capacitor as close to pins as possible.
For operation >500MHz, these pins may be left unconnected.
6 of 10
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
DS110621