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

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