Overview
The HMC539ALP3ETR is a broadband 5-bit GaAs IC digital attenuator produced by Analog Devices Inc. This component is designed in a low-cost leadless surface mount package, making it suitable for a wide range of RF and IF applications. It features a single positive control line per bit and operates with a single +3V to +5V supply, enhancing its versatility and ease of integration.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 1.5 GHz | 0.7 | 1.0 | 1.3 | dB |
| Insertion Loss | 1.5 - 3.0 GHz | 1.0 | 1.3 | 1.7 | dB |
| Insertion Loss | 3.0 - 4.0 GHz | 1.3 | 1.7 | - | dB |
| Attenuation Range | DC - 4 GHz | - | 7.75 | - | dB |
| Return Loss (RF1 & RF2, All Atten. States) | DC - 3 GHz | 27 | - | - | dB |
| Return Loss (RF1 & RF2, All Atten. States) | 3.0 - 4.0 GHz | 25 | - | - | dB |
| Attenuation Accuracy | DC - 3 GHz | - | ± (0.2 + 2% of Atten. Setting) | - | dB |
| Attenuation Accuracy | 3.0 - 4.0 GHz | - | ± (0.2 + 4% of Atten. Setting) | - | dB |
| Input Power for 0.1 dB Compression | 0.1 - 4.0 GHz | - | 32 | - | dBm |
| Input Third Order Intercept Point | 0.1 - 4.0 GHz | - | 62 | - | dBm |
| Switching Characteristics tRISE, tFALL (10/90% RF) | DC - 4 GHz | - | 45 | - | ns |
| Switching Characteristics tON, tOFF (50% CTL to 10/90% RF) | DC - 4 GHz | - | 52 | - | ns |
| Operating Temperature | - | -40 | - | 85 | °C |
| Storage Temperature | - | -65 | - | 150 | °C |
Key Features
- 5-bit digital attenuator with 0.25 dB least significant bit (LSB) steps, providing a total attenuation range of 7.75 dB.
- Low insertion loss of less than 0.7 dB typical across DC to 4 GHz.
- High input third-order intercept point (IIP3) of +62 dBm.
- TTL/CMOS compatible control inputs.
- Single +3V to +5V supply voltage.
- Compact 3x3 mm SMT package.
- Excellent attenuation accuracy with ± 0.05 dB typical step error.
Applications
- Cellular Infrastructure
- ISM, MMDS, WLAN, WiMAX, WiBro
- Microwave Radio & VSAT
- Test Equipment and Sensors
Q & A
- What is the attenuation range of the HMC539ALP3ETR? The attenuation range is 7.75 dB with 0.25 dB least significant bit (LSB) steps.
- What is the typical insertion loss of the HMC539ALP3ETR? The typical insertion loss is less than 0.7 dB across DC to 1.5 GHz.
- What is the input third-order intercept point (IIP3) of the HMC539ALP3ETR? The IIP3 is +62 dBm.
- What are the operating and storage temperature ranges for the HMC539ALP3ETR? The operating temperature range is -40°C to +85°C, and the storage temperature range is -65°C to +150°C.
- What type of control inputs does the HMC539ALP3ETR use? The HMC539ALP3ETR uses TTL/CMOS compatible control inputs.
- What is the package type and size of the HMC539ALP3ETR? The component is packaged in a 3x3 mm SMT package.
- What is the typical switching time for the HMC539ALP3ETR? The typical rise and fall times are 45 ns, and the typical on and off times are 52 ns.
- Is the HMC539ALP3ETR RoHS-compliant? Yes, the HMC539ALP3ETR is RoHS-compliant.
- What are some common applications for the HMC539ALP3ETR? Common applications include cellular infrastructure, ISM, MMDS, WLAN, WiMAX, WiBro, microwave radio & VSAT, and test equipment and sensors.
- What is the input power for 0.1 dB compression? The input power for 0.1 dB compression is 32 dBm.
