Mini-Circuits DAT-15R5A-PN+ Digital Step Attenuator 15.5dB DC-4GHz 50Ω RF DSA
The DAT-15R5A-PN+ from Mini-Circuits is a high-performance 5-bit digital step attenuator (DSA) designed for precision RF signal control across a wide frequency range from DC to 4 GHz.
With 0.5 dB step resolution and a total attenuation range of 15.5 dB, this device provides accurate and repeatable signal adjustment, making it ideal for AGC systems, RF front ends, and test instrumentation.
Key Features
Wideband operation: DC – 4000 MHz
Attenuation range: 0 to 15.5 dB
Fine resolution: 0.5 dB step size (5-bit control)
High linearity: +52 dBm IP3 (typical)
Low insertion loss for minimal signal degradation
Fast switching speed (~1 µs)
Parallel control interface for real-time applications
Compact SMT package (QFN)
Electrical Performance Highlights
The DAT-15R5A-PN+ delivers excellent RF performance:
P1dB: ~24 dBm
Return Loss: up to 20 dB
Insertion Loss: as low as 1.3 dB
Switching Speed: suitable for high-speed RF systems
Its high linearity and low distortion make it suitable for high dynamic range applications.
Applications
The DAT-15R5A-PN+ is widely used in:
Wireless communication systems (LTE / 5G sub-6 GHz)
RF and microwave test equipment
Automatic Gain Control (AGC) circuits
Satellite and aerospace systems
Signal conditioning and calibration systems
Package & Control
Package Type: Surface Mount (SMT, QFN)
Control: Parallel interface (5-bit)
Supply Voltage: Dual supply (positive & negative rails)
Other related models
| Model Number | F Low (MHz) | F High (MHz) | Attenuation (dB) | Attenuation Step (dB) | # of Bits | IP3 (dBm) | Input Power 0.2 dB Compression (dBm) | Switching Speed (μs)) | Supply Voltage | Control Interface | Case Style |
| Typ. | Typ. | Typ. | (Vdd, Vss) | ||||||||
| DAT-15575A-PN+ | 1 | 2500 | 15.5 | 0.5 | 5 | 57 | 30 | 0.4 | 3, -3 | Parallel | DG983-2 |
| DAT-15575A-PP+ | 1 | 2500 | 15.5 | 0.5 | 5 | 57 | 30 | 0.4 | 3 | Parallel | DG983-2 |
| DAT-15575A-SN+ | 1 | 2500 | 15.5 | 0.5 | 5 | 57 | 30 | 0.4 | 3, -3 | Serial | DG983-2 |
| DAT-15575A-SP+ | 1 | 2500 | 15.5 | 0.5 | 5 | 57 | 30 | 0.4 | 3 | Serial | DG983-2 |
| DAT-15R5A-PN+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3, -3.2 | Parallel | DG983-2 |
| DAT-15R5A-PP+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3 | Parallel | DG983-2 |
| DAT-15R5A-SN+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3, -3.2 | Serial | DG983-2 |
| DAT-15R5A-SP+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3 | Serial | DG983-2 |
| DAT-31575A-PN+ | 1 | 2500 | 31.5 | 0.5 | 6 | 57 | 30 | 0.4 | 3, -3 | Parallel | DG983-2 |
| DAT-31575A-PP+ | 1 | 2500 | 31.5 | 0.5 | 6 | 57 | 30 | 0.4 | 3 | Parallel | DG983-2 |
| DAT-31575A-SN+ | 1 | 2500 | 31.5 | 0.5 | 6 | 57 | 30 | 0.4 | 3, -3 | Serial | DG983-2 |
| DAT-31575A-SP+ | 1 | 2500 | 31.5 | 0.5 | 6 | 57 | 30 | 0.4 | 3 | Serial | DG983-2 |
| DAT-3175A-PN+ | 1 | 2500 | 31 | 1 | 5 | 57 | 30 | 0.4 | 3, -3 | Parallel | DG983-2 |
| DAT-3175A-PP+ | 1 | 2500 | 31 | 1 | 5 | 57 | 30 | 0.4 | 3 | Parallel | DG983-2 |
| DAT-3175A-SN+ | 1 | 2500 | 31 | 1 | 5 | 57 | 30 | 0.4 | 3, -3 | Serial | DG983-2 |
| DAT-3175A-SP+ | 1 | 2500 | 31 | 1 | 5 | 57 | 30 | 0.4 | 3 | Serial | DG983-2 |
| DAT-31A-PN+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3, -3.2 | Parallel | DG983-2 |
| DAT-31A-PP+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3 | Parallel | DG983-2 |
| DAT-31A-SN+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3, -3.2 | Serial | DG983-2 |
| DAT-31A-SP+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3 | Serial | DG983-2 |
| DAT-31R5A-PN+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3, -3.2 | Parallel | DG983-2 |
| DAT-31R5A-PP+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3 | Parallel | DG983-2 |
| DAT-31R5A-SN+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3, -3.2 | Serial | DG983-2 |
| DAT-31R5A-SP+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3 | Serial | DG983-2 |
| TOAT-124+ | 10 | 1000 | 7 | 1 | 3 | - | - | 10 | 5 | - | QQ96 |
| TOAT-3610+ | 10 | 1000 | 19 | 3 | 3 | - | - | 10 | 5 | - | QQ96 |
| TOAT-4816+ | 10 | 1000 | 28 | 4 | 3 | - | - | 10 | 5 | - | QQ96 |
| TOAT-51020+ | 10 | 1000 | 35 | 5 | 3 | - | - | 10 | 5 | - | QQ96 |
| ZFAT-3610 | 10 | 1000 | 19 | 3 | 3 | - | - | 10 | 5 | - | SSS173 |
| ZFAT-51020 | 10 | 1000 | 35 | 5 | 3 | - | - | 10 | 5 | - | SSS173 |
| ZSAT-31R5+ | 10 | 1000 | 31.5 | 0.5 | 6 | - | - | 10 | 5 | - | AR214 |
| ZX76-15R5A-PNS+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3, -3.3 | Parallel | HK1172 |
| ZX76-15R5A-PPS+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3 | Parallel | HK1172 |
| ZX76-15R5A-SNS+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3, -3.3 | Serial | HK1149 |
| ZX76-15R5A-SPS+ | DC | 4000 | 15.5 | 0.5 | 5 | 52 | 24 | 1 | 3 | Serial | HK1172 |
| ZX76-24G-30-S+ | 100 | 24000 | 31.5 | 0.5 | 6 | 50 | 22 @ 1dB | 0.3 | 2.3-5.5 | Parallel | MS3009 |
| ZX76-31A-PNS+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3, -3.3 | Parallel | HK1172 |
| ZX76-31A-PPS+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3 | Parallel | HK1172 |
| ZX76-31A-SNS+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3, -3.3 | Serial | HK1149 |
| ZX76-31A-SPS+ | DC | 4000 | 31 | 1 | 5 | 52 | 24 | 1 | 3 | Serial | HK1172 |
| ZX76-31R5A-PNS+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3, -3.3 | Parallel | HK1172 |
| ZX76-31R5A-PPS+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3 | Parallel | HK1172 |
| ZX76-31R5A-SNS+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3, -3.3 | Serial | HK1149 |
| ZX76-31R5A-SPS+ | DC | 4000 | 31.5 | 0.5 | 6 | 52 | 24 | 1 | 3 | Serial | HK1172 |
| ZX76-31R75PP-S+ | 0.009 | 6000 | 31.75 | 0.25 | 7 | 53 | 30 | 0.3 | 3.0-5.5 | Parallel | HK1172 |
| ZX76-44G-30-K+ | 100 | 43500 | 31.5 | 0.5 | 6 | 50 | 22 @ 1dB | 0.3 | 2.3-5.5 | Parallel | MS3009 |
| ZX76-50G-30-V+ | 100 | 50000 | 31.5 | 0.5 | 6 | 50 | 22 @ 1dB | 0.3 | 2.3-5.5 | Parallel | MS3009 |
| ZX76-65G-30-E+ | 100 | 65000 | 31.5 | 0.5 | 6 | 50 | 22 @ 1dB | 0.3 | 2.3-5.5 | Parallel | MS3009 |
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