Overview
The HMC540LP3ETR, produced by Analog Devices Inc., is a broadband 4-bit Silicon MMIC (Monolithic Microwave Integrated Circuit) digital attenuator. It is designed in a low-cost leadless surface mount package, making it suitable for a wide range of RF and IF applications. This attenuator features a single positive control line per bit and operates with a single supply voltage ranging from +3.3V to +5V. It is particularly useful for applications requiring precise attenuation control with low insertion loss and high linearity.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range | 0.1 | - | 8 | GHz |
| Insertion Loss (0.1-2.0 GHz) | - | < 1 | - | dB |
| Attenuation Steps | 1, 2, 4, 8 | - | - | dB |
| Total Attenuation | - | 15 | - | dB |
| Step Error | - | ± 0.2 | - | dB |
| IIP3 | - | +56 | - | dBm |
| Supply Voltage (Vdd) | 3.3 | - | 5 | V |
| Current Consumption (Typ.) @ Vdd = 3.3V | - | 0.14 | - | mA |
| Current Consumption (Typ.) @ Vdd = 5V | - | 0.17 | - | mA |
| Control Input Logic | TTL/CMOS | - | - | - |
| Package Type | Leadless Surface Mount | - | - | - |
| ESD Rating | Class 2 (2kV HBM) | - | - | - |
Key Features
- Single positive control line per bit for easy control.
- Low insertion loss: less than 1 dB typical.
- High linearity: IIP3 of +56 dBm.
- TTL/CMOS compatible control inputs.
- Single supply voltage operation: +3.3V to +5V.
- Low current consumption.
- Leadless surface mount package for compact design.
- ESD rating: Class 2 (2kV HBM).
Applications
- Cellular Infrastructure.
- Wireless Infrastructure.
- Microwave Radio & VSAT.
- Test Equipment and Sensors.
Q & A
- What is the frequency range of the HMC540LP3ETR? The frequency range is from 0.1 GHz to 8 GHz.
- What are the attenuation steps of the HMC540LP3ETR? The attenuation steps are 1 dB, 2 dB, 4 dB, and 8 dB.
- What is the total attenuation range of the HMC540LP3ETR? The total attenuation range is 15 dB.
- What is the typical step error of the HMC540LP3ETR? The typical step error is ± 0.2 dB.
- What is the IIP3 of the HMC540LP3ETR? The IIP3 is +56 dBm.
- What is the supply voltage range for the HMC540LP3ETR? The supply voltage range is from +3.3V to +5V.
- Is the HMC540LP3ETR compatible with TTL/CMOS logic? Yes, it is compatible with TTL/CMOS logic.
- What is the package type of the HMC540LP3ETR? It is a leadless surface mount package.
- What is the ESD rating of the HMC540LP3ETR? The ESD rating is Class 2 (2kV HBM).
- In what applications is the HMC540LP3ETR commonly used? It is commonly used in cellular infrastructure, wireless infrastructure, microwave radio & VSAT, and test equipment and sensors.
