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)
IIP3 (typ)
(dBm)
InterfaceInput Power (max)
(dBm)
Control BitsIP-0.1 dB (typ)
(dBm)
1HMC425A Digitally Controlled Atten 2.2G 8G 3.6 0.5 31.5 0.5 40 Parallel, Positive Voltage 30 6 21
2HMC291S Digitally Controlled Atten 700M 4G 0.9 0.7 12.7 4 54 Parallel, Positive Voltage 28 2 26
3HMC1019A Digitally Controlled Atten 100M 30G 4 0.5 15.5 0.5 45 Serial, TTL/CMOS Compatible 27 5 25
4HMC1018A Digitally Controlled Atten 100M 30G 5.5 4.5 35.5 1 42 Serial, TTL/CMOS Compatible 25 5 22
5HMC941ALP4E Digitally Controlled Atten 100M 33G 4-- 0.5 45 Parallel, TTL/CMOS Compatible 27 5 26
6HMC941A-Die Digitally Controlled Atten 0.1G 30G 4.3-- 0.5 45-- 5 26
7HMC939ALP4E Digitally Controlled Atten 0.1G 33G 5.5-- 1 40 Parallel, TTL/CMOS Compatible 25 5 24
8HMC939A-Die Digitally Controlled Atten 0.1G 40G--- 1 43-- 5 25
9HMC1119 Digitally Controlled Atten 100M 6G 1.5 1.3 33.5 0.25 54 Parallel, Serial, TTL/CMOS Compatible 24 7 30
10HMC629A Digitally Controlled Atten 0 10G 2.5 3 45 3 55 Parallel, Serial, TTL/CMOS Compatible 28 4 30
11HMC470A Digitally Controlled Atten 0 3G 1.7 1.3 32.3 1 48 Parallel, TTL/CMOS Compatible 27 5 20
12HMC802A Digitally Controlled Atten 0 10G 1.5 1.5 20 20 55 Parallel, TTL/CMOS Compatible 29.3 1 30
13HMC539A Digitally Controlled Atten 0 4G 1 0.7 8.45 0.25 50 Parallel, TTL/CMOS Compatible 29 5 28
14HMC273A Digitally Controlled Atten 700M 3.7G 2.8 1.9 32.9 1 48 Parallel, Positive Voltage 30 5 27
15HMC1122 Digitally Controlled Atten 100M 6G 1.2 1.3 33 0.5 55 Parallel, Serial, TTL/CMOS Compatible 24 6 30
16HMC305S Digitally Controlled Atten 400M 7G 1.4 1.3 17 0.5 52 Serial, TTL/CMOS Compatible 27 5 28
17HMC540S Digitally Controlled Atten 100M 8G 0.8 0.7 15.7 1 54 Parallel, TTL/CMOS Compatible 27 4 31
18HMC306A Digitally Controlled Atten 700M 3.8G 1.5 1.3 16.8 0.5 52 Parallel, Positive Voltage 27 5 25
19HMC792A Digitally Controlled Atten 0 6G 1.8 1.8 17.5 0.25 53 Parallel, Serial, TTL/CMOS Compatible 29 6 31
20HMC1095 Digitally Controlled Atten 0 3G 1.3 1.3 32.8 0.5 57 Parallel, Serial, TTL/CMOS Compatible 28 6 30
21HMC468A Digitally Controlled Atten 0 6G 0.7 0.7 7.7 1 55 Parallel, TTL/CMOS Compatible 30 3 26
22HMC624A Digitally Controlled Atten 0 6G 2.2 1.5 33 0.5 55 Parallel, Serial, TTL/CMOS Compatible 28 6 30
23HMC542B Digitally Controlled Atten 0 4G 1.7 1.4 32.9 0.5 50 Serial, TTL/CMOS Compatible 28 6 30
24HMC472A Digitally Controlled Atten 0 3.8G 1.7 1.4 32.9 0.5 54 Parallel, TTL/CMOS Compatible 28 6 30
25HMC759 Digitally Controlled Atten 10M 300M 3.3 3.3 35 0.25 40 Serial, TTL/CMOS Compatible 20 7 20
26HMC424ALP3E Digitally Controlled Atten 0 13G 3.3-- 0.5 45 Negative Voltage, Parallel 25 6 23
27HMC424ALH5 Digitally Controlled Atten 0 13G 3.3 3.3 34.3 0.5 40- 25- 27
28HMC424AG16 Digitally Controlled Atten 0 3G 3 3 34.5 0.5 46--- 27
29HMC424A-Die Digitally Controlled Atten 0 13G--- 0.5 42-- 6 24