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TI(德州仪器) ADS2807
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  • TI(德州仪器) ADS2807
  • TI(德州仪器) ADS2807
  • TI(德州仪器) ADS2807
  • TI(德州仪器) ADS2807
  • TI(德州仪器) ADS2807
  • TI(德州仪器) ADS2807
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ADS2807

ADS2807

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双通道、12 位、50MSPS 模数转换器 (ADC)

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The ADS2807 is a dual, high-speed, high dynamic range, 12-bit pipelined Analog-to-Digital Converter (ADC). This converter includes a high-bandwidth track-and-hold that gives excellent spurious performance up to and beyond the Nyquist rate. The differential nature of this track-and-hold and ADC circuitry minimizes even-order harmonics and gives excellent common-mode noise immunity. The track-and-hold can also be operated single-ended.

The ADS2807 provides for setting the full-scale range of the converter without any external reference circuitry. The internal reference can be disabled allowing low-drive, external references to be used for improved tracking in multichannel systems.

The ADS2807 provides an over-range indicator flag to indicate an input signal that exceeds the full-scale input range of the converter. This flag can be used to reduce the gain of front-end gain control circuitry. There is also an output enable pin to allow for multiplexing and testability on a PC board.

The ADS2807 employs digital error correction techniques to provide excellent differential linearity for demanding imaging applications. The ADS2807 is available in a TQFP-64 power package.

  • HIGH SNR: 66dB (2Vp-p), 68dB (3Vp-p)
  • LOW POWER: 720mW
  • INTERNAL OR EXTERNAL REFERENCE
  • LOW DLE: 0.6LSB
  • FLEXIBLE INPUT RANGE: 2Vp-p to 3Vp-p
  • TQFP-64 POWER PACKAGE
  • APPLICATIONS
    • COMMUNICATIONS IF PROCESSING
    • COMMUNICATIONS BASESTATIONS
    • TEST EQUIPMENT
    • MEDICAL IMAGING
    • VIDEO DIGITIZING
    • CCD DIGITIZING

Sample rate (max) (Msps)50
Resolution (Bits)12
Number of input channels2
Interface typeParallel CMOS
Analog input BW (MHz)270
FeaturesHigh Performance
RatingCatalog
Peak-to-peak input voltage range (V)2, 3
Power consumption (typ) (mW)720
ArchitecturePipeline
SNR (dB)68
ENOB (bit)10.5
SFDR (dB)72.7
Operating temperature range (°C)-40 to 85
Input bufferNo
HTQFP (PAP)64144 mm² 12 x 12
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