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HMC472LP4 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
v00.0604
HMC472LP4
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 3.0 GHz
9
Pin Descriptions
Pin Number
1, 3, 5, 12,
14, 16, 17, 18
Function
N/C
2
Vdd
4, 15
RF1, RF2
6 - 11, 13
ACG1 - ACG7
Description
These pins should be connected to PCB RF ground to
maximize performance.
Supply Voltage.
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required. Select value based on
lowest frequency of operation.
External capacitor to ground is required. Select value for
lowest frequency of operation. Place capacitor as close
to pins as possible.
Interface Schematic
19 - 24
V1 - V6
See truth table and control voltage table.
GND
Application Circuit
Package bottom has an exposed metal paddle that must also
be connected to RF/DC Ground.
9 - 148
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com