Overview
The HMC1018LP4ETR is a broadband 5-bit GaAs IC digital attenuator manufactured by Analog Devices Inc. This component is designed in a low-cost, leadless surface mount package, specifically a 24-VFQFN Exposed Pad. It operates over a wide frequency range of 0.1 to 30.0 GHz, making it suitable for various high-frequency applications.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0.1 to 30.0 GHz |
| Attenuation Steps | 1.0 dB (LSB), 2, 4, 8, 16 dB |
| Total Attenuation | 31 dB |
| Attenuation Accuracy | ±0.4 dB typical step error |
| Input IP3 | +43 dBm |
| Insertion Loss | < 5.5 dB typical |
| Control Interface | CMOS/TTL compatible, 3-wire SPI |
| Package Type | 24-VFQFN Exposed Pad |
| Supply Voltage | Vdd = +5V, Vss = -5V |
| Absolute Maximum Ratings | RF Input Power: +25 dBm, Channel Temperature: 150 °C |
Key Features
- Broadband operation from 0.1 to 30.0 GHz
- 1.0 dB LSB steps to 31 dB total attenuation
- Excellent attenuation accuracy with ±0.4 dB typical step error
- High input IP3 of +43 dBm
- CMOS/TTL compatible, 3-wire SPI control interface
- Asynchronous mode control for rapid attenuation state changes
- Low cost, leadless surface mount package (24-VFQFN Exposed Pad)
Applications
- Fiber Optics & Broadband Telecom
- Microwave Radio & VSAT
- Military Radios, Radar & ECM
- Space Applications
- Sensors
- Test & Measurement Equipment
Q & A
- What is the frequency range of the HMC1018LP4ETR?
The HMC1018LP4ETR operates from 0.1 to 30.0 GHz.
- What are the attenuation steps of the HMC1018LP4ETR?
The attenuation steps are 1.0 dB (LSB), 2, 4, 8, and 16 dB, totaling 31 dB.
- What is the typical attenuation accuracy of the HMC1018LP4ETR?
The typical attenuation accuracy is ±0.4 dB per step.
- What is the input IP3 of the HMC1018LP4ETR?
The input IP3 is +43 dBm.
- What type of control interface does the HMC1018LP4ETR use?
The control interface is CMOS/TTL compatible and uses a 3-wire SPI.
- What is the package type of the HMC1018LP4ETR?
The package type is a 24-VFQFN Exposed Pad.
- What are the supply voltage requirements for the HMC1018LP4ETR?
The supply voltage requirements are Vdd = +5V and Vss = -5V.
- What are some of the key applications for the HMC1018LP4ETR?
Key applications include Fiber Optics & Broadband Telecom, Microwave Radio & VSAT, Military Radios, Radar & ECM, Space Applications, Sensors, and Test & Measurement Equipment.
- Does the HMC1018LP4ETR support asynchronous mode control?
Yes, the HMC1018LP4ETR supports asynchronous mode control for rapid attenuation state changes.
- What is the maximum RF input power for the HMC1018LP4ETR?
The maximum RF input power is +25 dBm.
