HMC742LP5_09 Datasheet, PDF (9/12 Pages) Hittite Microwave Corporation – 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz

HMC742LP5E
v03.0709
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz
Pin Descriptions
Pin Number
Function
1
AMPIN
Description
This pin is DC coupled.
An off chip DC blocking capacitor is required.
Interface Schematic
13
29
2, 3, 13,
28, 30 - 32
4, 12
5 - 10
11
AMPOUT
RF output and DC bias (Vcc) for the output stage of the
amplifier.
GND
These pins and package bottom
must be connected to RF/DC ground.
ATTIN,
ATTOUT
These pins are DC coupled and matched to 50 Ohms.
Blocking capacitors are required. Select value based
on lowest frequency of operation.
ACG1 - ACG6
N/C
External capacitors to ground is required. Select value for
lowest frequency of operation. Place capacitor as close to
pins as possible.
No connection
14
SEROUT
Serial input data delayed by 6 clock cycles.
13 - 116
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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