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高温 16 位、高速、2.7V 至 5V 微功耗采样 ADC
Resolution (Bits) 16
Number of input channels 1
Sample rate (Max) (kSPS) 100
Interface type SPI
Architecture SAR
Input type Single-Ended
Rating High Temp
Reference mode Ext
Input range (Max) (V) 5.25
Input range (Min) (V) 0
Operating temperature range (C) -55 to 210
Power consumption (Typ) (mW) 4.5
Analog voltage AVDD (Min) (V) 2.7
SNR (dB) 92
Analog voltage AVDD (Max) (V) 5.25
INL (Max) (+/-LSB) 7.9
Digital supply (Min) (V) 2.7
Digital supply (Max) (V) 5.25
  • 100-kHz Sampling Rate
  • Micropower:
    • 3.8 mW at 100 kHz and 2.7 V
    • 0.3 mW at 10 kHz and 2.7 V
  • Power Down: 6 μA max
  • 8-Pin Ceramic Package
  • Pin Compatible to ADS7816 and ADS7822
  • Serial (SPI/SSI) Interface

The ADS8320 is a 16-bit, sampling analog-to-digital (A/D) converter with ensured specifications over a 2.7-V to 5.25-V supply range. It requires very little power even when operating at the full 100-kHz 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—the average power dissipation is less than 100 mW at 10-kHz data rate.

The ADS8320 also features operation from 2 V to 5.25 V, a synchronous serial (SPI/SSI compatible) interface, and a differential input. The reference voltage can be set to any level within the range of 500 mV to VCC.

Ultra-low power and small size make the ADS8320 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multi-channel systems, and isolated data acquisition. The ADS8320 is available in 8-pin ceramic surface-mount packages, specified for the –55°C to 210°C temperature range.