HMC625BLP5E Datasheet, PDF (8/10 Pages) Analog Devices – Test Equipment and Sensors

HMC625BLP5E
v02.0616
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, DC - 5 GHz
Pin Descriptions
Pin Number
Function
1
AMPIN
Description
This pin is DC coupled.
An off chip DC blocking capacitor is required.
29
AMPOUT
RF output and DC bias (Vcc) for
the output stage of the amplifier.
2, 3, 13,
28, 30 - 32
4, 12
5 - 10
11
GND
These pins and package bottom
must be connected to RF/DC ground.
ATTIN,
ATTOUT
ACG1 - ACG6
N/C
These pins are DC coupled and matched to 50 Ohms.
Blocking capacitors are required. Select value based
on lowest frequency of operation.
External capacitors to ground is required. Select value for lowest
frequency of operation. Place capacitor as close to pins as possible.
The pins are not connected internally; however, all data shown
herein was measured with these pins connected to RF/DC ground
externally.
Interface Schematic
14
SEROUT
Serial input data delayed by 6 clock cycles.
15, 16
18 - 23
24
25
26
27
17
PUP2, PUP1
D5, D4, D3,
D2, D1, D0
P/S
CLK
SERIN
LE
Vdd
Supply Voltage
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7
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