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8-Channel, 16-Bit, Simultaneous Sampling ADC with Power Scaling, 110.8 kHz BW

AD7761BSTZ General Description

The AD7761BSTZ from Analog Devices is a top-of-the-line 24-bit ADC that delivers unparalleled performance in precision measurement applications. With its programmable input range and fast conversion rate of 256 kSPS, this ADC is designed to meet the demands of today's most challenging measurement tasks. Its low noise performance and impressive linearity ensure accurate and reliable results, while integrated digital filters offer enhanced signal processing capabilities for even greater precision

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Key Features

  • Precision ac and dc performance
  • 8-channel simultaneous sampling
    • 256 kSPS ADC ODR per channel
    • 97.7 dB dynamic range
    • 110.8 kHz input bandwidth (−3 dB BW)
    • −120 dB THD, typical
    • ±1 LSB INL, ±1 LSB offset error, ±5 LSB gain error
  • Optimized power dissipation vs. noise vs. input bandwidth
    • Selectable power, speed, and input bandwidth
      • Fast (highest speed): 110.8 kHz BW, 51.5 mW per channel
      • Median (half speed): 55.4 kHz BW, 27.5 mW per channel
      • Low power (lowest power): 13.8 kHz BW, 9.375 mW per channel
    • Input BW range: dc to 110.8 kHz
    • Programmable input bandwidth/sampling rates
  • CRC error checking on data interface
  • Daisy-chaining
  • Linear phase digital filter
    • Low latency sinc5 filter
    • Wideband brick wall filter: ±0.005 dB ripple to 102.4 kHz
  • Analog input precharge buffers
  • Power supply
    • AVDD1 = 5 V, AVDD2 = 2.25 V to 5.0 V
    • IOVDD = 2.5 V to 3.3 V or IOVDD = 1.8 V
  • 64-lead LQFP package, no exposed pad
  • Temperature range: −40°C to +105°C
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  • Robust data logging capabilities
  • Customizable measurement settings
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Source Content uid AD7761BSTZ Pbfree Code No
Part Life Cycle Code Active Pin Count 64
Reach Compliance Code compliant Converter Type ADC, DELTA-SIGMA
JESD-30 Code S-XQFP-G64 Moisture Sensitivity Level 3
Number of Analog In Channels 8 Number of Bits 16
Number of Functions 1 Number of Terminals 64
Output Bit Code BINARY Output Format SERIAL
Peak Reflow Temperature (Cel) 260 Surface Mount YES
Temperature Grade INDUSTRIAL Terminal Finish MATTE TIN
Terminal Form GULL WING Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30

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