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16 位、伪双极全差动输入、250kSPS 串行输出、2.7V 至 5.5V 微功耗采样 ADC
Resolution (Bits) 16
Number of input channels 1
Sample rate (Max) (kSPS) 250
Interface type SPI
Architecture SAR
Input type Differential
Rating Catalog
Reference mode Ext
Input range (Max) (V) 2.5
Input range (Min) (V) 0
Operating temperature range (C) -40 to 85
Power consumption (Typ) (mW) 10
Analog voltage AVDD (Min) (V) 2.7
SNR (dB) 90
Analog voltage AVDD (Max) (V) 5.5
INL (Max) (+/-LSB) 2
Digital supply (Min) (V) 2.7
Digital supply (Max) (V) 5.5
  • 16 Bits No Missing Codes (Full-Supply Range, High or Low Grade)
  • Very Low Noise: 5LSBPP
  • Excellent Linearity:
    ±0.8LSB typ, ±1.5LSB max INL
    +0.7LSB typ, +1.25LSB max DNL
    ±1mV max Offset
    ±16LSB typ Gain Error
  • microPower:
    10mW at 5V, 250kHz
    4mW at 2.7V, 200kHz
    2mW at 2.7V, 100kHz
    0.2mW at 2.7V, 10kHz
  • Packages: MSOP-8, SON-8
  • Pin-Compatible with the ADS8321
  • Serial (SPI/SSI) Interface
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multichannel
      Systems
    • Industrial Controls
    • Robotics
    • Vibration Analysis

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The ADS8317 is a 16-bit, sampling, analog-to-digital (A/D) converter specified for a supply voltage range from 2.7V to 5.5V. It requires very little power, even when operating at the full data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode. For example, the average power dissipation is less than 0.2mW at a 10kHz data rate.

The ADS8317 offers excellent linearity and very low noise and distortion. It also features a synchronous serial (SPI/SSI-compatible) interface and a differential input. The reference voltage can be set to any level within the range of 0.1V to VDD/2.

Low power and small size make the ADS8317 ideal for portable and battery-operated systems. It is also an excellent fit for remote data-acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS8317 is available in MSOP-8 and SON-8 packages. The SON package size is the same as a 3x3 QFN package.