Data Sheet Rev. C
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Overview

Features and Benefits

  • 6 channels of LNA, PGA, AAF
  • 1 channel of direct-to-ADC
  • Parallel 3.3V CMOS Output
  • Programmable third-order low-pass elliptic filter (LPF) from 1 MHz to 12 MHz
  • Precise channel-to-channel matching
    Gain: ±0.5dB (-40 to 105°C)
    Phase: ±5° (-40 to 105°C)
  • SPI-programmable gain = 16 dB to 34 dB in 6 dB steps
  • Low noise, 3.5 nV/√Hz maximum of input referred voltage noise
  • Low power, 170 mW per channel at 12 bits/80 MSPS
  • Selectable Input Impedance: 200Ω or 200kΩ
  • Qualified for automotive applications

Product Details

The AD8283 is designed for low cost, low power, compact size, flexibility, and ease of use. It contains six channels of a low noise preamplifier (LNA) with a programmable gain amplifier (PGA) and an antialiasing filter (AAF) plus one direct-to-ADC channel, all integrated with a single 12-bit analog-to-digital converter (ADC).

Each channel features a gain range of 16 dB to 34 dB in 6 dB increments and an ADC with a conversion rate of up to 80 MSPS. The combined input-referred noise voltage of the entire channel is 3.5 nV/√Hz at maximum gain. The channel is optimized for dynamic performance and low power in applications where a small package size is critical.

Fabricated in an advanced CMOS process, the AD8283 is available in a 10 mm × 10 mm, RoHS-compliant, 72-lead LFCSP. It is specified over the automotive temperature range of −40°C to +105°C.

APPLICATIONS

  • Automotive radar
    Adaptive cruise control
    Collision avoidance
    Blind spot detection
    Self-parking
    Electronic bumper

Product Categories

Markets and Technologies

EDN Hot 100 products of 2011 - AD8283

The AD8283 Analog Front End decreases the size and cost of radar systems while increasing the system flexibility.

AD8283 Won 2011 EDN China Innovation Award

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Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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