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12-Bit, 8-Channel ADC


12-Bit, 8-Channel ADC

12 Bit, 8 Channel ADC

The ADS8528/48/68 contain eight low-power, 12-, 14-, or 16-bit, successive approximation 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 acquisition of up to 650kSPS.

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 ADS8528/48/68 family supports an auto-sleep mode for minimum power dissipation and is available in both QFN-64 and LQFP-64 packages. The entire family is specified over a temperature range of –40°C to +125°C.

Device Uses
  • Protection Relays
  • Power Quality Measurement
  • Multi-Axis Motor Control
  • Programmable Logic Controllers
  • Industrial Data Acquisition
  • All trademarks are the property of their respective owners.
  • Family of 12-, 14-, 16-Bit, Pin- and Software-Compatible ADCs
  • Maximum Data Rate Per Channel:
  • ADS8528: 650kSPS (PAR) or
  • 480kSPS (SER)
  • ADS8548: 600kSPS (PAR) or
  • 450kSPS (SER)
  • ADS8568: 510kSPS (PAR) or
  • 400kSPS (SER)
  • Excellent AC Performance:
  • Signal-to-Noise Ratio:
  • ADS8528: 73.9dB
  • ADS8548: 85dB
  • ADS8568: 91.5dB
  • Total Harmonic Distortion:
  • ADS8528: –89dB
  • ADS8548: –91dB
  • ADS8568: –94dB
  • Programmable and Buffered Internal Reference: 0.5V to 2.5V or 0.5V to 3.0V Supports Input Voltage Ranges of Up to ±12V
  • Selectable Parallel or Serial Interface
  • Scalable Low-Power Operation Using Auto-Sleep Mode: Only 32mW at 10kSPS
  • Fully Specified Over the Extended Industrial Temperature Range

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