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For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
7
HMC542ALP4 / 542ALP4E
v06.0312
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
SERIAL CONTROL ATTENUATOR, DC - 4 GHz
Absolute Maximum Ratings
Outline Drawing
RF Input Power (DC - 4.0 GHz)
+27 dBm (T = +85 癈)
Digital Inputs (Reset, Shift Clock,
Latch Enable & Serial Input)
-0.5 to (Vcc +0.5) V
Bias Voltage (Vcc)
+5.6 V
Channel Temperature
150 癈
Continuous Pdiss (T = 85 癈)
(derate 7.7 mW/癈 above 85 癈)
0.5 W
Thermal Resistance
130 癈/W
Storage Temperature
-65 to +150 癈
Operating Temperature
-40 to +85 癈
notes:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DiMensions Are in inCHes [MilliMeters]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
  PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE
  SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED
  lAnD PAttern.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Package Information
Bias Voltage
Vcc (V)
Idd (Typ.) (mA)
+4.5
4.7
+5.0
5.0
+5.5
5.3
Part Number
Package Body Material
Lead Finish
MSL Rating
Package Marking
[3]
HMC542AlP4
Low Stress Injection Molded Plastic
Sn/Pb Solder
Msl1
[1]
H542A
XXXX
HMC542AlP4e
RoHS-compliant Low Stress Injection Molded Plastic    100% matte Sn
Msl1
[2]
H542A
XXXX
[1] Max peak reflow temperature of 235 癈
[2] Max peak reflow temperature of 260 癈
[3] 4-Digit lot number XXXX
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