ADS8548

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design ADS8528, ADS8548, ADS8568 SBAS543C – AUGUST 2011 – REVISED FEBRUARY 2016 ADS85x8 12-, 14-, and 16-Bit, 8-Channel, Simultaneous Sampling ADCs 1 Features 1 Family of 12-, 14-, and 16-Bit, Pin- and SoftwareCompatible 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 2 Applications Protection Relays Power Quality Measurement Multi-Axis Motor Controls Programmable Logic Controllers Industrial Data Acquisition Signal-to-Noise Ratio (dB) SNR vs Temperature 94 92 90 88 86 84 82 80 78 76 74 72 70 −40 −25 −10 5 ADS8568 ADS8548 ADS8528 20 35 50 65 80 95 110 125 Temperature (°C) G016 3 Description The ADS85x8 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 grou...