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Home » NEWEST Products » New by Manufacturer » Texas Instruments » ADS8528 / ADS8548 / ADS8568 8-Channel Bipolar Input ADCs - TI
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Texas Instruments ADS8528 / ADS8548 / ADS8568 8-Channel Bipolar Input ADCs
Texas Instruments ADS8528 / ADS8548 / ADS8568 8-Channel Bipolar Input ADCs

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Texas Instruments ADS8528 / ADS8548 / ADS8568 8-Channel Bipolar Input ADCs

Texas Instruments ADS8528 / ADS8548 / ADS8568 8-channel bipolar input ADCs contain eight low-power, 12- (ADS8528), 14- (ADS8548), or 16-bit (ADS8568) SAR-based analog-to-digital converters (ADCs) with true bipolar inputs. The channels of these TI devices are grouped in four pairs, allowing simultaneous high-speed signal acquisition of up to 650kSPS. These TI ADCs 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 / ADS8548 / ADS8568 family supports an auto-sleep mode for minimum power dissipation. The entire family is specified over a temperature range of -40°C to +125°C. These TI devices are ideal for use in protection relays, power quality measurement, and multi-axis motor control applications. The ADS8568EVM-PDK is an evaluation platform the ADS8568 ADC.

Features
  • 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
Applications
  • Protection Relays
  • Power Quality Measurement
  • Multi-Axis Motor Control
  • Programmable Logic Controllers
  • Industrial Data Acquisition
Part Number Resolutions (Bits) Sample Rate (max) (kSPS) SNR (dB) SINAD (dB)
ADS8528 12 650 73.9 73.8
ADS8548 14 600 85 84
ADS8568 16 500 91.5 89.5

Functional Diagram

Functional Diagram
  • Texas Instruments
  • Industrial
  • Semiconductors|Integrated Circuits|IC-Data Conversion