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ADS8548SPMR Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS8548SPMR Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 57 page 70 72 74 76 78 80 82 84 86 88 90 92 94 −40 −25 −10 5 20 35 50 65 80 95 110 125 Temperature (°C) ADS8568 ADS8548 ADS8528 G016 SAR ADC Control Logic Config Register I/O SAR ADC SAR ADC SAR ADC SAR ADC SAR ADC SAR ADC SAR ADC String DAC CH_A0 CH_A1 CH_B0 CH_B1 CH_C0 CH_C1 CH_D0 CH_D1 REFIO Parallel or Serial Data Bus Control Signal Bus Clock Generator 2.5-V, 3-V Reference Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. ADS8528, ADS8548, ADS8568 SBAS543C – AUGUST 2011 – REVISED FEBRUARY 2016 ADS85x8 12-, 14-, and 16-Bit, 8-Channel, Simultaneous Sampling ADCs 1 1 Features 1 • 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 2 Applications • Protection Relays • Power Quality Measurement • Multi-Axis Motor Controls • Programmable Logic Controllers • Industrial Data Acquisition SNR vs Temperature 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 grouped in four pairs, thus allowing simultaneous high-speed signal acquisition of 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 ±12 V. The ADS85x8 family supports an auto-sleep mode for minimum power dissipation and is available in both 64-pin VQFN and LQFP packages. The entire family is specified over a temperature range of –40°C to +125°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) ADS85x8 VQFN (64) 9.00 mm × 9.00 mm LQFP (64) 10.00 mm × 10.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Block Diagram |
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