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

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Description

Product Details
The HMC629ALP4E is a broadband 4-bit GaAs IC Digital Attenuator in a low cost leadless SMT package. This versatile digital attenuator incorporates off-chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. The dual mode control interface is CMOS/TTL compatible, and accepts either a three wire serial input or a 4-bit parallel word. The HMC629ALP4E is housed in a RoHS compliant 4x4 mm QFN leadless package, and requires no external matching components.
Applications
Cellular/3G infrastructure
WiBro / WiMAX / 4G
Microwave radio & VSAT
Test equipment and sensors
IF & RF applications
### Features and Benefits
3 dB LSB steps to 45 dB
Power-up state selection
Low insertion loss: 2.25 dB
TTL/CMOS compatible, serial, parallel or latched parallel control
±0.25 dB typical step error
Single +3V or +5V supply
24 lead 4x4mm SMT package: 16mm2

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HMC629ALP4E Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	24 Pin
Case/Package	QFN-24
Number of Contacts	10 Contact
Number of Bits	4 Bit
Power Dissipation	0.88 W
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	880 mW
Supply Voltage (Max)	5 V
	Show
Contact Material	Phosphor Bronze
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2016/06/20

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