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具有基准电压和伪双极性、全差分输入的 18 位 600KSPS 串行 ADC
Resolution (Bits) 18
Number of input channels 1
Sample rate (Max) (kSPS) 600
Interface type SPI
Architecture SAR
Input type Differential
Rating Catalog
Reference mode Ext, Int
Input range (Max) (V) 4.2
Input range (Min) (V) 0
Features Oscillator
Operating temperature range (C) -40 to 85
Power consumption (Typ) (mW) 115
Analog voltage AVDD (Min) (V) 4.75
SNR (dB) 96
Analog voltage AVDD (Max) (V) 5.25
INL (Max) (+/-LSB) 3
Digital supply (Min) (V) 2.7
Digital supply (Max) (V) 5.25
  • 600-kHz Sample Rate
  • ±1.25 LSB Typ, ±3 LSB Max INL
  • 18-Bit NMC Ensured Over Temperature
  • SINAD 96 dB, SFDR 120 dB at fi = 1 kHz
  • High-Speed Serial Interface up to 40 MHz
  • Onboard Reference Buffer
  • Onboard 4.096-V Reference
  • Pseudo-Bipolar Input, up to ±4.2 V
  • Onboard Conversion Clock
  • Zero Latency
  • Wide Digital Supply
  • Low Power
    • 115 mW at 600 kHz
    • 15 mW During Nap Mode
    • 10 μW During Power Down
  • 28-Pin 6 × 6 QFN Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers

The ADS8382 is a high performance 18-bit, 600-kHz A/D converter with fully differential, pseudo-bipolar input. The device includes an 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8382 offers a high-speed CMOS serial interface with clock speeds up to 40 MHz.

The ADS8382 is available in a 28 lead 6 × 6 QFN package and is characterized over the industrial ?40°C to 85°C temperature range.