Overview
The HMC624ALP4E is a 6-bit digital attenuator produced by Analog Devices Inc. This component is designed to offer high precision and reliability in various RF and microwave applications. It features a 31.5 dB attenuation control range in 0.5 dB steps, making it suitable for precise signal control. The attenuator operates over a frequency range from 100 MHz to 6.0 GHz and can be extended below 100 MHz with external ac grounding capacitors. It is integrated with a CMOS driver and a gallium arsenide (GaAs) RF attenuator, ensuring excellent attenuation accuracy and high input linearity.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Attenuation Control Range | 31.5 dB | |
| Attenuation Steps | 0.5 dB | |
| Frequency Range | 100 MHz to 6.0 GHz | |
| RF Input Power Handling | 28 dBm | |
| Phase Shift at 3 GHz | 25° | |
| Supply Voltage | 3 V to 5 V | |
| Control Interface | CMOS-/TTL-compatible, Serial and Parallel | |
| Package Type | 24-Lead Lead Frame Chip Scale Package (LFCSP) | |
| Package Dimensions | 4 mm × 4 mm × 0.85 mm | |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- High RF input power handling of 28 dBm.
- Low phase shift of 25° at 3 GHz.
- Single-supply operation from 3 V to 5 V.
- CMOS-/TTL-compatible control interface.
- Serial and parallel control modes.
- Bidirectional attenuator with interchangeable RF input and output ports.
- Internally matched to 50 Ω.
- External ac grounding capacitors for operation below 100 MHz.
Applications
- Cellular infrastructure.
- Microwave radios and very small aperture terminals (VSATs).
- Test equipment and sensors.
- Intermediate frequency (IF) and radio frequency (RF) designs.
Q & A
- What is the attenuation control range of the HMC624ALP4E?
The HMC624ALP4E has an attenuation control range of 31.5 dB in 0.5 dB steps.
- What is the frequency range of operation for the HMC624ALP4E?
The HMC624ALP4E operates over a frequency range from 100 MHz to 6.0 GHz.
- How is the RF input power handling of the HMC624ALP4E?
The HMC624ALP4E can handle RF input power up to 28 dBm.
- What are the supply voltage requirements for the HMC624ALP4E?
The HMC624ALP4E operates with a single supply voltage from 3 V to 5 V.
- What types of control interfaces does the HMC624ALP4E support?
The HMC624ALP4E supports both serial and parallel control interfaces, which are CMOS-/TTL-compatible.
- What is the package type and dimensions of the HMC624ALP4E?
The HMC624ALP4E comes in a 24-Lead Lead Frame Chip Scale Package (LFCSP) with dimensions of 4 mm × 4 mm × 0.85 mm.
- What is the operating temperature range of the HMC624ALP4E?
The HMC624ALP4E operates over a temperature range from −40°C to +85°C.
- Can the HMC624ALP4E be used in bidirectional applications?
- How can the HMC624ALP4E be extended to operate below 100 MHz?
The HMC624ALP4E can be extended to operate below 100 MHz by using external ac grounding capacitors.
- What are some common applications of the HMC624ALP4E?
The HMC624ALP4E is commonly used in cellular infrastructure, microwave radios and VSATs, test equipment and sensors, and IF and RF designs.
