Overview
The HMC424AG16 is a broadband 6-bit GaAs IC digital attenuator manufactured by Analog Devices Inc. This component is designed in a 16 lead hermetic surface mount package, making it suitable for a variety of high-reliability applications. It operates from DC to 3 GHz, offering precise attenuation control with 0.5 dB least significant bit (LSB) steps, totaling 31.5 dB of attenuation. The device is characterized by its excellent insertion loss and bit error performance, making it ideal for telecom infrastructure, military radios, radar, electronic countermeasures (ECM), space applications, and test instrumentation.
Key Specifications
| Parameter | Frequency (GHz) | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 3 | - | 3.0 | 3.6 | dB |
| Attenuation Steps | - | - | 0.5, 1, 2, 4, 8, 16 dB | - | - |
| Total Attenuation | - | - | 31.5 dB | - | - |
| Bit Error | - | - | ±0.5 to ±0.8 dB | - | - |
| IIP3 | - | - | +34 dBm | - | - |
| Control Voltage | - | - | 0 / -5V | - | - |
| Operating Temperature | - | - | -40 to +85 °C | - | - |
| Storage Temperature | - | - | -65 to 150 °C | - | - |
Key Features
- Broadband operation from DC to 3 GHz
- 6-bit digital attenuator with 0.5 dB LSB steps
- Total attenuation of 31.5 dB
- Excellent attenuation accuracy with ±0.5 dB typical step error
- High IIP3 of +34 dBm
- Single control line per bit with 0 / -5V control voltage
- Low current consumption of less than 70 µA per control line
- Hermetic 16 lead surface mount package
Applications
- Telecom Infrastructure
- Military Radios, Radar, and Electronic Countermeasures (ECM)
- Space Applications
- Test Instrumentation
Q & A
- What is the frequency range of the HMC424AG16?
The HMC424AG16 operates from DC to 3 GHz.
- What are the attenuation steps of the HMC424AG16?
The attenuation steps are 0.5, 1, 2, 4, 8, and 16 dB.
- What is the total attenuation of the HMC424AG16?
The total attenuation is 31.5 dB.
- What is the typical bit error of the HMC424AG16?
The typical bit error is ±0.5 to ±0.8 dB.
- What is the IIP3 of the HMC424AG16?
The IIP3 is +34 dBm.
- What is the control voltage for the HMC424AG16?
The control voltage is 0 / -5V.
- What is the operating temperature range of the HMC424AG16?
The operating temperature range is -40 to +85 °C.
- What is the storage temperature range of the HMC424AG16?
The storage temperature range is -65 to 150 °C.
- What type of package does the HMC424AG16 come in?
The HMC424AG16 comes in a hermetic 16 lead surface mount package.
- What are some typical applications of the HMC424AG16?
Typical applications include telecom infrastructure, military radios, radar, ECM, space applications, and test instrumentation.
