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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

Product Details
The HMC539ALP3/539ALP3E is a broadband 5-bit GaAs IC digital attenuator in a low cost leadless surface mount package. This single positive control line per bit digital attenuator utilizes an off chip AC ground capacitor for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 4 GHz, the insertion loss is less than 0.7 dB typical. The attenuator bit values are 0.25 (LSB), 0.5, 1, 2, and 4 dB for a total attenuation of 7.75 dB. Attenuation accuracy is excellent at ± 0.05 dB typical step error. The attenu- ator also features a high IIP3 of +62 dBm. Five TTL/ CMOS control inputs are used to select each attenuation state. A single Vdd bias of +3V to +5V is required.
Applications
Cellular infrastructure
ISM, MMDS, WLAN, WiMAX, WiBro
Microwave radio and VSAT
Test equipment and sensors
### Features and Benefits
0.25 dB LSB steps to 7.75 dB
± 0.05 dB typical step error
Low insertion loss: 0.7 dB
High IP3: +62 dBm
Single control line per bit
TTL/CMOS compatible control
Single +3V to +5V supply
3x3 mm SMT package

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HMC539ALP3E Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Number of Pins	16 Pin
Case/Package	SMD-16
Supply Voltage (DC)	3.00V (min)
Supply Current	1.7 mA
Number of Channels	1 Channel
Number of Positions	16 Position
Number of Bits	5 Bit
Power Dissipation	0.551 W
Input Voltage (Max)	5 V
Input Voltage (Min)	3 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	551 mW
Supply Voltage (Max)	5 V
Supply Voltage (Min)	3 V
Input Voltage	5.5 V
	Show
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance Edition	2015/12/17

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