ADS8568 - 16-Bit 8-Channel Simultaneous-Sampling Bipolar-Input SAR ADC

The ADS85x8 contain eight low-power, 12-, 14-, or 16-bit, successiveapproximation register (SAR)-based analog-to-digital converters (ADCs) with true bipolar inputs.These channels are grouped in four pairs, thus allowing simultaneous high-speed signal acquisitionof up to 650 kSPS.

The devices support selectable parallel or serial interface with daisy-chain capability.The programmable reference allows handling of analog input signals with amplitudes up to ±12V.

The ADS85x8 family supports an auto-sleep mode for minimum power dissipation and isavailable in both 64-pin VQFN and LQFP packages. The entire family is specified over a temperaturerange of –40°C to +125°C.

• Family of 12-, 14-, and 16-Bit, Pin- and Software-Compatible ADCs
• Maximum Data Rate per Channel:
  • ADS8528: 650 kSPS (PAR) or
    480 kSPS (SER)
  • ADS8548: 600 kSPS (PAR) or
    450 kSPS (SER)
  • ADS8568: 510 kSPS (PAR) or
    400 kSPS (SER)
• Excellent AC Performance:
  • Signal-to-Noise Ratio:
    ADS8528: 73.9 dB, ADS8548: 85 dB, ADS8568: 91.5 dB
  • Total Harmonic Distortion:
    ADS8528: –89 dB, ADS8548: –91 dB, ADS8568: –94 dB
• Programmable, Buffered Internal Reference:
  0.5 V–2.5 V or 0.5 V–3.0 V Supports Input Voltage Ranges up to ±12 V
• Selectable Parallel or Serial Interface
• Scalable Low-Power Operation Using Auto-Sleep Mode: Only 32 mW at 10 kSPS
• Fully Specified Over Extended Industrial Temperature Range

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