Overview
The AD8283WBCPZ, produced by Analog Devices Inc., is a highly integrated analog front-end (AFE) designed for radar receive path applications. It combines six channels of low noise preamplifiers (LNA), programmable gain amplifiers (PGA), and antialiasing filters (AAF) with a single 12-bit analog-to-digital converter (ADC). This device is optimized for low cost, low power, compact size, flexibility, and ease of use, making it ideal for various automotive radar systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Channels | 6 | |||
| ADC Resolution | 12 bits | |||
| ADC Conversion Rate | up to 72 MSPS | |||
| Gain Range | 16 dB | 34 dB | in 6 dB increments | |
| Input Referred Noise Voltage | 3.5 nV/√Hz | |||
| Input Impedance | 200 Ω | 200 kΩ | selectable | |
| Power Consumption per Channel | 170 mW | at 12 bits/72 MSPS | ||
| Operating Temperature Range | -40°C | +105°C | ||
| Package Type | 72-lead LFCSP | 10 mm × 10 mm, exposed pad |
Key Features
- Programmable third-order low-pass elliptic filter (LPF) from 1 MHz to 12 MHz
- Precise channel-to-channel matching: Gain ±0.5 dB, Phase ±5° (-40°C to +105°C)
- Low noise and low power design
- Parallel 3.3V CMOS output
- SPI-programmable gain
- Selectable input impedance: 200 Ω or 200 kΩ
- Qualified for automotive applications
Applications
- Automotive radar
- Adaptive cruise control
- Collision avoidance
- Blind spot detection
- Self-parking
- Electronic bumper
Q & A
- What is the primary function of the AD8283WBCPZ? The AD8283WBCPZ is a radar receive path analog front-end (AFE) that integrates six channels of LNA, PGA, and AAF with a single 12-bit ADC.
- What is the gain range of the AD8283WBCPZ? The gain range is from 16 dB to 34 dB in 6 dB increments.
- What is the maximum ADC conversion rate of the AD8283WBCPZ? The maximum ADC conversion rate is up to 72 MSPS.
- What is the input referred noise voltage of the AD8283WBCPZ? The input referred noise voltage is 3.5 nV/√Hz at maximum gain.
- What are the selectable input impedances of the AD8283WBCPZ? The input impedances are 200 Ω or 200 kΩ.
- What is the power consumption per channel of the AD8283WBCPZ at 12 bits/72 MSPS? The power consumption per channel is 170 mW.
- What is the operating temperature range of the AD8283WBCPZ? The operating temperature range is from -40°C to +105°C.
- In what package type is the AD8283WBCPZ available? The AD8283WBCPZ is available in a 72-lead LFCSP package, 10 mm × 10 mm with an exposed pad.
- What are some of the key applications of the AD8283WBCPZ? Key applications include automotive radar, adaptive cruise control, collision avoidance, blind spot detection, self-parking, and electronic bumper.
- Is the AD8283WBCPZ qualified for automotive applications? Yes, the AD8283WBCPZ is qualified for automotive applications.
