HMC470LP3 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – 1 dB LSB GaAs MMIC 5-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz

HMC470LP3 / 470LP3E
v02.0605
1 dB LSB GaAs MMIC 5-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
6
Pin Descriptions
Pin Number
Function
1
Vdd
2, 11
RF1, RF2
3, 10
4-9
N/C
ACG1 - ACG6
Description
Supply Voltage.
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required.
Select value based on lowest frequency of operation.
These pins should be connected to PCB RF ground to
maximize performance.
External capacitor to ground is required. Select value for
lowest frequency of operation. Place capacitor as close
to pins as possible.
Interface Schematic
12 - 16
V1 - V5
See truth table and control voltage table.
GND
Package bottom has an exposed metal paddle that must also
be connected to RF Ground.
Application Circuit
6 - 148
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
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