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ADS8588HIPM Datenblatt(PDF) 1 Page - Texas Instruments |
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ADS8588HIPM Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 61 page AIN_1P AIN_1GND AIN_2P AIN_2GND AIN_7P AIN_7GND AIN_8P AIN_8GND 16-Bit SAR ADC 2.5 VREF REFGND AGND DVDD AVDD ADS8588H ADC Driver REFIN/REFOUT REFCAPB REFSEL Digital Filter OS2 OS0 OS1 SAR Logic and Digital Control DB[15:0] DOUTA DOUTB PAR/SER RANGE RD/SCLK CS RESET CONVSTA, CONVSTB FRSTDATA STBY REFCAPA BUSY 1 M: Clamp 1 M: 3rd-Order LPF Clamp PGA ADC Driver 1 M: Clamp 1 M: 3rd-Order LPF Clamp PGA ADC Driver 1 M: Clamp 1 M: 3rd-Order LPF Clamp PGA ADC Driver 1 M: Clamp 1 M: 3rd-Order LPF Clamp PGA 16-Bit SAR ADC 16-Bit SAR ADC 16-Bit SAR ADC SER/PAR Interface Copyright © 2017, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & Community 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. ADS8588H SBAS843 – SEPTEMBER 2017 ADS8588H 16-Bit, 500-kSPS, 8-Channel, Simultaneous-Sampling ADC With Bipolar Inputs on a Single Supply 1 1 Features 1 • 16-Bit ADC With Integrated Analog Front-End • Simultaneous Sampling: 8 Channels • Pin-Programmable Bipolar Inputs: ±10 V and ±5 V • High Input Impedance: 1 MΩ • 5-V Analog Supply: 2.3-V to 5-V I/O Supply • Overvoltage Input Clamp With 9-kV ESD • Low-Drift, On-Chip Reference (2.5 V) and Buffer • Performance: – 500-kSPS Max Throughput on All Channels – DNL: ±0.3 LSB Typ; INL: ±0.5 LSB Typ – SNR: 92.7 dB Typ; THD: −110 dB Typ • Over Temperature Performance: – Max Offset Drift: 3 ppm/°C – Gain Drift: 6 ppm/°C • On-Chip Digital Filter for Oversampling • Flexible Parallel, Byte, and Serial Interface • Temperature Range: –40°C to +125°C • Package: LQFP-64 2 Applications • Monitoring and Control for Power Grids • Protection Relays • Multi-Phase Motor Controls • Industrial Automation and Controls • Multichannel Data Acquisition Systems 3 Description The ADS8588H device is an 8-channel, integrated data acquisition (DAQ) system based on a 16-bit successive approximation (SAR) analog-to-digital converter (ADC). All input channels are simultaneously sampled to achieve a maximum throughput of 500 kSPS per channel. The device features a complete analog front-end for each channel, including a programmable gain amplifier (PGA) with a high input impedance of 1 MΩ, an input clamp, low-pass filter, and an ADC input driver. The device also features a low-drift, precision reference with a buffer to drive the ADC. A flexible digital interface supporting serial, parallel, and parallel byte communication enables the device to be used with a variety of host controllers. The ADS8588H can be configured to accept ±10-V or ±5-V true bipolar inputs using a single 5-V supply. The high input impedance allows direct connection with sensors and transformers, thus eliminating the need for external driver circuits. The high performance and accuracy, along with zero-latency conversions offered by this device, also means the ADS8588H meets the strict design requirements for many industrial automation and control applications. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) ADS8588H LQFP (64) 10.00 mm × 10.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Device Block Diagram |
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