hmc542lp4 Hittite Microwave Corporation, hmc542lp4 Datasheet - Page 5

• Manufacturer Part Number: hmc542lp4
• Description: 0.5db Lsb 6-bit Digital Attenuator Smt, Dc - 3 Ghz
• Manufacturer: Hittite Microwave Corporation

5 - 186
5
Pin Descriptions
1, 3, 5, 12, 14,
Pin Number
16-18, 23
6 - 11, 13
4, 15
19
20
21
22
24
2
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
ACG1 - ACG7
Serial Output
Latch Enable
Serial Input
Shift Clock
RF1, RF2
Function
Reset
GND
N/C
Vcc
v02.0108
lowest frequency of operation. Place capacitor as close to
See truth table, control voltage table and timing diagram.
External capacitor to ground is required. Select value for
Blocking capacitors are required. Select value based on
These pins should be connected to PCB RF ground to
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This pin is DC coupled and matched to 50 Ohms
Package bottom has an exposed metal paddle
SERIAL CONTROL ATTENUATOR, DC - 3 GHz
that must be connected to RF/DC Ground.
Serial data output. Serial input data
lowest frequency of operation.
delayed by 8 clock cycles
maximize performance.
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
pins as possible.
Supply Voltage.
Description
HMC542LP4
Interface Schematic
/
542LP4E