The document describes the features and characteristics of the Radar Receive Path AFE AD8283. The product includes 6 channels of low noise preamplifiers (LNA), programmable gain amplifiers (PGA), antialiasing filters (AAF), and analog-to-digital converters (ADC). It features programmable gain, adjustable low-pass filters, high-precision ADC, etc., and is suitable for automotive radar, adaptive cruise control, collision avoidance, blind spot detection, self-parking, and electronic bumper applications.
The document is a technical datasheet for the Analog Devices AD8283 integrated front-end analog (AFE) chip. It features six channels of low noise preamplifiers (LNA) with programmable gain amplifiers (PGA) and an antialiasing filter, along with one direct-to-ADC channel.
The device is optimized for automotive radar applications such as adaptive cruise control and collision avoidance. Key specifications include a 12-bit ADC with up to 80 MSPS sampling rate and SPI-programmable gain ranging from 16 dB to 34 dB.
| Number of Channels | 6 channels LNA/PGA + 1 direct-to-ADC channel |
|---|---|
| Gain Range | 16 dB to 34 dB in 6 dB steps |
| ADC Resolution | 12 bits |
| Max Sample Rate | 80 MSPS |
| Signal-to-Noise Ratio (SNR) | 67 dB |
| Operating Temperature Range | -40°C to +105°C |
| Package Type | 72-lead LFCSP |
The chip is qualified for automotive applications such as adaptive cruise control, collision avoidance, blind spot detection, self-parking, and electronic bumper systems.
The gain is programmable via SPI from 16 dB to 34 dB in increments of 6 dB.