AD9229:  Quad 12-Bit, 50/65 MSPS, Serial LVDS A/D Converter

The AD9229 is a 50 or 65 MSPS quad 12-bit, analog–to–digital converter with serial LVDS outputs. An on–chip track–and–hold circuit is designed for low cost, low power, small size and ease of use. ...More

To drive this ADC in DC-coupled applications, we suggest ADA4938-1. To drive this ADC in AC-coupled applications, we suggest AD8351. To select a VGA to use with this ADC, please visit our VGA selection table.

AD9229:  Quad 12-Bit, 50/65 MSPS, Serial LVDS A/D Converter

Product Description

The AD9229 is a 50 or 65 MSPS quad 12-bit, analog–to–digital converter with serial LVDS outputs. An on–chip track–and–hold circuit is designed for low cost, low power, small size and ease of use. The product operates up to a 65 MSPS conversion rate and is optimized for outstanding dynamic performance where a small package size is critical.

The ADC requires a single +3 V power supply. No external reference or driver components are required for many applications. A separate output power supply pin supports LVDS compatible serial digital output levels.

The ADC automatically multiplies up the sample rate clock for the appropriate LVDS serial data rate. This data clock output (DCO) provides operation up to 390 MHz and supports double-data rate operation (DDR). An MSB trigger or Frame clock is also provided to signal a new output byte. Power down is supported, and the ADC consumes 3 mW when enabled.

Fabricated on an advanced CMOS process, the AD9229 is available in a 48-pin chip scale 7 mm x 7 mm package (48-LFCSP) specified over the industrial temperature range (–40°C to +85°C).

Applications

  • Digital beam forming systems for ultrasound
  • Wireless and wired broadband communications
  • Communication test equipment

    • Features

    • Four ADCs in one package
    • Small footprint: 7 mm x 7 mm chip scale package
    • Serial LVDS digital output data rates up to
      780 Mbps (ANSI-644)
    • Data and Frame clock output provided
    • SNR = 69.5 dB (to Nyquist)
    • 400 MHz full power analog bandwidth
    • Power dissipation = 246 mW per ADC at
      50 MSPS
    • Excellent Linearity:
      - DNL = ±0.3 LSB (typical)
      - INL = ±0.4 LSB (typical)
    • 1 V pp – 2 V pp input voltage range
    • +3.0 V supply operation
    • Power down mode

    Diagrams

    AD9229 Diagram
    Functional Block Diagram for AD9229

    Specifications

    Resolution (Bits) 12bit
    T-Put Rate 65MSPS
    # Chan 4
    Supply V Single(+3),Single(+3.3)
    Pwr Diss (max) 1.465W
    Interface Ser
    Ain Range 1 V p-p,2 V p-p
    SNR (dB) 69.5dB
    Pkg Type CSP

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    Part# Res Throughput Rate # of Inputs Operating Pwr Diss
    AD9228-65 12 65MSPS 4 510mW
    AD9229-65 12 65MSPS 4 1.465W
    AD9219-65 10 65MSPS 4 408mW
    AD9627-80 12 80MSPS 2 490mW
    AD9627-150 12 150MSPS 2 890mW
    AD9238-65 12 65MSPS 2 698mW
    AD9626-170 12 170MSPS 1 291mW