Overview
The ADF5902WCCPZ is a 24 GHz transmitter (Tx) monolithic microwave integrated circuit (MMIC) designed by Analog Devices Inc. This component features an on-chip, 24 GHz voltage-controlled oscillator (VCO) with a fractional-N frequency synthesizer. It is specifically tailored for Frequency Modulated Continuous Wave (FMCW) radar applications, particularly in the ISM band. The ADF5902WCCPZ is housed in a compact 32-lead Lead Frame Chip Scale Package (LFCSP) and is qualified for automotive and industrial radar systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Operating Frequency | 24 GHz to 24.25 GHz | GHz | |
| Output Power | 8 dBm | dBm | Single-ended outputs |
| Normalized Phase Noise Floor | −222 dBc/Hz | dBc/Hz | Fractional-N mode, PLL loop bandwidth = 1 MHz |
| Temperature Range | −40°C to +105°C | °C | |
| Temperature Sensor Accuracy | ±5 °C | °C | Following one point calibration |
| ADC Resolution | 8 Bits | ||
| Package Type | 32-Lead LFCSP | ||
| Interface | 4-wire SPI |
Key Features
- Dual transmitter channels with programmable output power and mute function.
- On-chip 24 GHz VCO with fractional-N frequency synthesizer and waveform generation capability.
- High and low speed FMCW ramp generation with 25-bit fixed modulus for subhertz frequency resolution.
- Auxiliary 8-bit ADC and high accuracy temperature sensor.
- Programmable charge pump currents and phase frequency detector (PFD) frequencies up to 110 MHz.
- 4-wire SPI interface for control of all on-chip registers.
- Compact 32-lead LFCSP package with exposed pad connected to GND.
Applications
- Automotive radars: Adaptive cruise control, collision avoidance, and blind spot detection.
- Industrial radars: Level measurement, motion detection, and obstacle detection.
- Microwave radar sensors: Various industrial and commercial sensing applications.
Q & A
- What is the operating frequency range of the ADF5902WCCPZ?
The operating frequency range is from 24 GHz to 24.25 GHz.
- What type of package does the ADF5902WCCPZ come in?
The component is housed in a 32-lead Lead Frame Chip Scale Package (LFCSP).
- What is the output power of the ADF5902WCCPZ?
The output power is 8 dBm for single-ended outputs.
- Does the ADF5902WCCPZ have temperature sensing capabilities?
Yes, it includes an on-chip temperature sensor with ±5 °C accuracy following one point calibration.
- What interface is used for controlling the ADF5902WCCPZ?
The component uses a 4-wire SPI interface for control of all on-chip registers.
- What are the primary applications of the ADF5902WCCPZ?
The primary applications include automotive radars, industrial radars, and microwave radar sensors.
- What is the phase noise floor of the ADF5902WCCPZ?
The normalized phase noise floor is −222 dBc/Hz in fractional-N mode with a PLL loop bandwidth of 1 MHz.
- Does the ADF5902WCCPZ support FMCW ramp generation?
Yes, it supports high and low speed FMCW ramp generation with a 25-bit fixed modulus for subhertz frequency resolution.
- Is the ADF5902WCCPZ qualified for automotive use?
Yes, it is qualified for automotive applications.
- What is the resolution of the ADC in the ADF5902WCCPZ?
The ADC resolution is 8 bits.
