Overview
The HMC1018LP4E is a broadband 5-bit GaAs IC digital attenuator produced by Analog Devices Inc. It is designed in a low-cost leadless surface mount package, specifically a 24-lead 4x4mm SMT package. This component operates over a wide frequency range of 0.1 to 30 GHz, making it versatile for various high-frequency applications. The attenuator features 1.0 dB least significant bit (LSB) steps, allowing for a total attenuation of 31 dB. It is ideal for applications requiring precise and reliable attenuation control.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0.1 to 30 GHz |
| Attenuation Steps | 1.0 dB (LSB), 2, 4, 8, 16 dB |
| Total Attenuation | 31 dB |
| Insertion Loss | < 5.5 dB typical |
| Attenuation Accuracy | ±0.4 dB typical step error |
| Input IP3 | +43 dBm |
| Control Interface | CMOS/TTL compatible, 3-wire SPI |
| Package Type | 24-lead 4x4mm SMT (QFN) |
| RF Input Power | +25 dBm |
| Control Voltage | Vdd + 0.5V, Vdd1 +7 Vdc, Vss -7 Vdc |
| Channel Temperature | 150 °C |
| Continuous Power Dissipation | 0.451 W (derate 6.9 mW/°C above 85 °C) |
Key Features
- User-selectable power-up state
- Serial-output port for cascading other serial-controlled components
- CMOS/TTL compatible, 3-wire SPI control interface
- Asynchronous mode control for rapid attenuation state changes
- High input IP3 of +43 dBm
- Excellent attenuation accuracy with ±0.4 dB typical step error
- Leadless surface mount package (24-lead 4x4mm SMT)
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 HMC1018LP4E? The HMC1018LP4E operates over a frequency range of 0.1 to 30 GHz.
- What are the attenuation steps of the HMC1018LP4E? The attenuator features 1.0 dB (LSB), 2, 4, 8, and 16 dB steps, allowing for a total attenuation of 31 dB.
- What is the insertion loss of the HMC1018LP4E? The insertion loss is less than 5.5 dB typical.
- What is the input IP3 of the HMC1018LP4E? The input IP3 is +43 dBm.
- What type of control interface does the HMC1018LP4E use? The HMC1018LP4E uses a CMOS/TTL compatible, 3-wire SPI control interface.
- What is the package type of the HMC1018LP4E? The component is packaged in a 24-lead 4x4mm SMT (QFN) package.
- What are the typical applications of the HMC1018LP4E? Typical applications include Fiber Optics & Broadband Telecom, Microwave Radio & VSAT, Military Radios, Radar & ECM, Space Applications, Sensors, and Test & Measurement Equipment.
- How does the asynchronous mode control work on the HMC1018LP4E? The asynchronous mode allows for rapid attenuation state changes to one of four predefined states, determined by the logic state of ASM1-ASM2.
- What is the maximum RF input power for the HMC1018LP4E? The maximum RF input power is +25 dBm.
- Is the HMC1018LP4E RoHS compliant? Yes, the HMC1018LP4E is Lead Free and RoHS compliant.
