HMC628LP4 Datasheet, PDF (11/14 Pages) Hittite Microwave Corporation – BiCMOS MMIC 5-Bit DIGITAL VARIABLE GAIN AMPLIFIER, 50 - 800 MHz

HMC628LP4 / 628LP4E
v07.0410
BiCMOS MMIC 5-Bit DIGITAL
VARIABLE GAIN AMPLIFIER, 50 - 800 MHz
12
Pin Descriptions
Pin Number
Function
1
RFIN
2
3-7
8
9
10
12
13
14
GND
B4, B3,
B2, B1, B0
LE
DATA
CLK
PUP2
PUP1
P/S
Description
This pin is DC coupled and matched to 50 Ohms.
A blocking capacitor is needed.
These pins and package bottom must
be connected to RF/DC ground.
See Truth Table, Control Voltage Table
and Timing Diagram.
Interface Schematic
15
SERIAL OUT
Serial input data delayed by 5 clock cycles.
16
IBIAS
Bias current to amplifier. External inductor is needed.
17
ISET
External bias resistor to adjust the current of the amplifier.
18
Vdd
19
FB
Supply Voltage.
Feedback capacitance for the amplifier.
12 - 44
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