Digital Step Attenuators

Analog Devices provides a range of broadband IC digital attenuators that come in low cost, leadless surface mount packages. Our digital attenuator family offers excellent attenuation and includes off chip ac ground capacitors for near dc operation, making it ideal for an extensive number of RF and IF applications.

Applications

• Cellular/3G infrastructure
• Microwave radio and VSAT
• Test equipment and sensors
• CATV/satellite set-top Boxes
• Data network equipment
• WiMAX, WiBN, and fixed wireless
• GSM, W-CDMA, and TD-SCDMA
• Fiber optics and broadband telecom
Product Selection Table

Digital Step Attenuators

Digital Step Attenuators

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Digital Step Attenuators

  Hold Shift Key for secondary sorting
SortOrderPart#RF Primary FunctionFreq Response RF (min)
(Hz)
Freq Response RF (max)
(Hz)
Insertion Loss (typ)
(dB)
Attenuation (min)
(dB)
Attenuation (max)
(dB)
Control Step Size
(dB)
IP3 Input (typ)
(dBm)
Config/Programming InterfaceInput Power (max)
(dBm)
Control BitsP-0.1 dB Input (typ)
(dBm)
1HMC1119 Digitally Controlled Atten 100M 6G 1.5 1.3 33.5 0.25 54 Parallel, Serial, TTL/CMOS Compatible 24 7 30
2HMC629A Digitally Controlled Atten 0 6G 2.5 3 45 3 50 Parallel, Serial, TTL/CMOS Compatible 28 4 30
3HMC470A Digitally Controlled Atten 0 3G 1.7 1.3 32.3 1 48 Parallel, TTL/CMOS Compatible 27 5 20
4HMC802A Digitally Controlled Atten 0 10G 1.5 1.5 20 20 55 Parallel, TTL/CMOS Compatible 29.3 1 30
5HMC539A Digitally Controlled Atten 0 4G 1 0.7 8.45 0.25 50 Parallel, TTL/CMOS Compatible 29 5 28
6HMC273A Digitally Controlled Atten 700M 3.7G 2.8 1.9 32.9 1 48 Parallel, Positive Voltage 30 5 27
7HMC1122 Digitally Controlled Atten 100M 6G 1.2 1.3 33 0.5 55 Parallel, Serial, TTL/CMOS Compatible 24 6 30
8HMC305S Digitally Controlled Atten 400M 7G 1.4 1.3 17 0.5 52 Serial, TTL/CMOS Compatible 27 5 28
9HMC540S Digitally Controlled Atten 100M 8G 0.8 0.7 15.7 1 54 Parallel, TTL/CMOS Compatible 27 4 31
10HMC291S Digitally Controlled Atten 700M 4G 0.9 0.7 12.7 4 54 Parallel, Positive Voltage 28 2 26
11HMC306A Digitally Controlled Atten 700M 3.8G 1.5 1.3 16.8 0.5 52 Parallel, Positive Voltage 27 5 25
12HMC792A Digitally Controlled Atten 0 6G 1.8 1.8 17.5 0.25 53 Parallel, Serial, TTL/CMOS Compatible 29 6 31
13HMC1095 Digitally Controlled Atten 0 3G 1.3 1.3 32.8 0.5 57 Parallel, Serial, TTL/CMOS Compatible 28 6 30
14HMC468A Digitally Controlled Atten 0 6G 0.7 0.7 7.7 1 55 Parallel, TTL/CMOS Compatible 30 3 26
15HMC624A Digitally Controlled Atten 0 6G 2.2 1.5 33 0.5 55 Parallel, Serial, TTL/CMOS Compatible 28 6 30
16HMC542B Digitally Controlled Atten 0 4G 1.7 1.4 32.9 0.5 50 Serial, TTL/CMOS Compatible 28 6 30
17HMC472A Digitally Controlled Atten 0 3.8G 1.7 1.4 32.9 0.5 54 Parallel, TTL/CMOS Compatible 28 6 30
18HMC941A-Die Digitally Controlled Atten 0.1G 40G--- 0.5 45-- 5 27
19HMC939A-Die Digitally Controlled Atten 0.1G 40G--- 1 43-- 5 25
20HMC1019A Digitally Controlled Atten 100M 30G 4 0.5 15.5 0.5 45 Serial, TTL/CMOS Compatible 27 5 25
21HMC1019 Digitally Controlled Atten 0.1G 30G 4-- 0.5 45 Serial, TTL/CMOS Compatible 27 5 27
22HMC1018A Digitally Controlled Atten 100M 30G 5.5 4.5 35.5 1 42 Serial, TTL/CMOS Compatible 25 5 22
23HMC1018 Digitally Controlled Atten 0.1G 30G 5.5-- 1 43 Serial, TTL/CMOS Compatible 25 5 25
24HMC941 Digitally Controlled Atten 0.1G 30G--- 27 45-- 5 27
25HMC939LP4 Digitally Controlled Atten 0.1G 33G 5.5-- 1 43 Parallel, TTL/CMOS Compatible 25 5 25
26HMC759 Digitally Controlled Atten 10M 300M 3.3 3.3 35 0.25 40 Serial, TTL/CMOS Compatible 20 7 20
27HMC629 Digitally Controlled Atten 0 6G 2.5-- 3 55 Parallel, Serial, TTL/CMOS Compatible 28 4 30
28HMC470 Digitally Controlled Atten 0 3G 1.4-- 1 45 Parallel, TTL/CMOS Compatible 27 5 20
29HMC424A-Die Digitally Controlled Atten 0 13G--- 0.5 42-- 6 24
30HMC425LP3 Digitally Controlled Atten 2.2G 8G--- 0.5 45- 30 6 22
31HMC425A Digitally Controlled Atten 2.2G 8G 3.6 0.5 31.5 0.5 40 Parallel, Positive Voltage 30 6 21
32HMC941ALP4E Digitally Controlled Atten 100M 30G 4 2.5 18 0.5 43 Parallel, TTL/CMOS Compatible 27 5 24
33HMC939ALP4E Digitally Controlled Atten 0.1G 33G 5.5-- 1 43 Parallel, TTL/CMOS Compatible 25 5 25
34HMC424ALP3E Digitally Controlled Atten 0 13G 3.3-- 0.5 45 Negative Voltage, Parallel 25 6 23
35HMC424ALH5 Digitally Controlled Atten 100M 13G 3.3 3.3 34.3 0.5 42- 25- 23
36HMC424AG16 Digitally Controlled Atten 100M 3G 3 3 34.5 0.5 42--- 23