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See Technical Specifications

HMC539ALP3

0.25 dB LSB GaAs MMIC 5-BIT Digital Positive Control Attenuator, DC - 4 GHz

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

HMC539ALP3
Datasheet:

HMC539ALP3 Datasheet (PDF)
Attenuation Value:

8dB
Frequency Range:

0 Hz ~ 4 GHz
Base Product Number:

HMC539
Maximum Frequency:

4 GHz
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HMC539ALP3 General Description

The HMC539ALP3/539ALP3E is a broadband5-bit GaAs IC digital attenuator in a low cost leadless surface mount package. This single positive control line per bit digital attenuator utilizes an offchip AC ground capacitor for near DC operation,making it suitable for a wide variety of RF and IFapplications. Covering DC to 4 GHz, the insertion loss is less than 0.7 dB typical. The attenuatorbit values are 0.25 (LSB), 0.5, 1, 2, and 4 dB for atotal attenuation of 7.75 dB. Attenuation accuracy isexcellent 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.

Key Features

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

Application

Cellular infrastructure
ISM, MMDS, WLAN, WiMAX, WiBro
Microwave radio and VSAT
Test equipment and sensors

Specifications

Category	RF and WirelessAttenuators	Series	-
Attenuation Value	8dB	Frequency Range	0 Hz ~ 4 GHz
Power (Watts)	-	Base Product Number	HMC539
Product Category	Attenuators	Maximum Frequency	4 GHz
Number of Bits	5 bit	Number of Channels	1 Channel
Impedance	50 Ohms	Maximum VSWR	-
Attenuator Step Size	0.25 dB	Technology	GaAs
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Attenuation	7.75 dB	Moisture Sensitive	Yes
Product Type	Attenuators	Factory Pack Quantity	500
Subcategory	Wireless & RF Integrated Circuits	Unit Weight	0.074957 oz