hmc539lp3 Hittite Microwave Corporation, hmc539lp3 Datasheet - Page 5

• Manufacturer Part Number: hmc539lp3
• Description: 0.25db Lsb 5-bit Digital Attenuator Smt, Dc - 4 Ghz
• Manufacturer: Hittite Microwave Corporation

5 - 168
5
Pin Descriptions
Application Circuit
Recommended Component Values
Pin Number
R1 - R5
C1, C2
3, 9, 10
12 - 16
C3
C4
2, 11
4 - 8
1
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
100 Ohm ± 10%
1,000 pF ± 10%
100 pF ± 10%
330 pF ± 10%
ACG1 - ACG5
RF1, RF2
Function
V1 - V5
GND
Vdd
N/C
v00.0605
Package bottom has an exposed metal paddle that must be
External capacitor to ground is required. Select value for
lowest frequency of operation. Place capacitor as close
POSITIVE CONTROL ATTENUATOR, DC - 4 GHz
These pins should be connected to PCB RF ground to
Select value based on lowest frequency of operation.
Order On-line at www.hittite.com
This pin is DC coupled and matched to 50 Ohm.
See truth table and control voltage table.
Blocking capacitors are required.
connected to RF Ground.
maximize performance.
0.25 dB LSB GaAs MMIC 5-BIT DIGITAL
to pins as possible.
Supply Voltage.
Description
HMC539LP3
Interface Schematic
/
539LP3E