Overview
The HMC656-SX is a wideband fixed attenuator chip produced by Analog Devices Inc. This component is part of the HMC650 to HMC658 family, which offers a range of fixed attenuation levels. The HMC656-SX is specifically designed to provide a 6 dB attenuation level. It is optimized for use in various RF and microwave applications, requiring high precision and reliability.
The device is characterized by its wide frequency range, extending from DC to 50 GHz, making it suitable for diverse applications such as fiber optics, microwave radio, military and space hybrids, test and measurement, and scientific instruments.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Attenuation Level | 6 | dB |
| Frequency Range | DC - 50 | GHz |
| RF Input Power (CW) | 25 | dBm |
| DC Voltage (Terminated) | 4.9 | V |
| DC Voltage (Open) | 4.6 | V |
| Storage Temperature | -65 to +150 | °C |
| Operating Temperature | -55 to +85 | °C |
| Die Size | 0.42 x 0.45 x 0.1 | mm |
| Package Material | Copper Alloy | |
| Lead Finish | 100% matte Sn (RoHS-compliant) |
Key Features
- Wideband Operation: The HMC656-SX operates from DC to 50 GHz, making it versatile for various high-frequency applications.
- High Precision Attenuation: Offers a precise 6 dB attenuation level with excellent flatness across the frequency range.
- Low Inductance On-Chip Vias: No additional ground connections are required, enhancing the component's performance in microstrip, hybrid, and multi-chip module applications.
- Backside Metallization: The die is backside metallized with gold, suitable for eutectic or epoxy die attach.
- Compact Design: The component has a small die size of 0.42 x 0.45 x 0.1 mm, ideal for space-constrained designs.
Applications
- Fiber Optics: Suitable for high-speed optical communication systems.
- Microwave Radio: Used in microwave radio systems for signal attenuation and matching.
- Military & Space Hybrids: Ideal for high-reliability applications in military and space environments.
- Test & Measurement: Employed in various test and measurement instruments requiring precise signal attenuation.
- Scientific Instruments: Used in scientific equipment where accurate signal control is necessary.
- RF / Microwave Circuit Prototyping: Useful for prototyping and development of RF and microwave circuits.
Q & A
- What is the attenuation level of the HMC656-SX?
The HMC656-SX provides a 6 dB attenuation level.
- What is the frequency range of the HMC656-SX?
The component operates from DC to 50 GHz.
- What is the maximum RF input power for the HMC656-SX?
The maximum RF input power is 25 dBm.
- What are the storage and operating temperature ranges for the HMC656-SX?
The storage temperature range is -65 to +150 °C, and the operating temperature range is -55 to +85 °C.
- What is the die size of the HMC656-SX?
The die size is 0.42 x 0.45 x 0.1 mm.
- Is the HMC656-SX RoHS-compliant?
- What are the typical applications of the HMC656-SX?
The component is used in fiber optics, microwave radio, military and space hybrids, test and measurement, scientific instruments, and RF/microwave circuit prototyping.
- Does the HMC656-SX require additional ground connections?
No, the component features low inductance on-chip vias and does not require additional ground connections.
- How is the backside of the HMC656-SX metallized?
The backside of the die is metallized with gold, suitable for eutectic or epoxy die attach.
- Can the HMC656-SX be purchased individually or in a kit?
The component can be purchased individually or as part of the HMC-DK006 Fixed Attenuator Chip Designer’s Kit.
