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ISL2671286IBZ Folha de dados(PDF) 1 Page - Intersil Corporation |
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ISL2671286IBZ Folha de dados(HTML) 1 Page - Intersil Corporation |
1 / 15 page 1 12-Bit, 20kSPS SAR ADC ISL2671286 The ISL2671286 is a sampling SAR-type ADC which features excellent linearity over supply and temperature variations, and provides a drop-in compatible alternative to all ADS1286 performance grades. The robust high impedance input minimizes errors due to leakage currents, and specified measurement accuracy is maintained with input signals up to the supply rails. The reference accepts inputs between 1.25V to 5.0V, providing design flexibility in a wide variety of applications. The ISL2671286 also features up to 8kV Human Body Model ESD survivability. The serial digital interface is SPI compatible and is easily interfaced to all popular FPGAs and microcontrollers. Operating from a 5V supply, power dissipation is 1.4mW at a sampling rate of 20kSPS and just 15µW between conversions utilizing the Auto Power-Down mode. These features make the ISL2671286 an excellent solution for remote industrial sensors and battery-powered instruments. The ISL2671286 is available in an 8 Ld SOIC package and is specified for operation over the industrial temperature range of –40°C to +85°C. Features • Drop-In Compatible with ADS1286 (All Performance Grades) • Simple SPI-compatible Serial Digital Interface • Guaranteed No Missing Codes • 20kHz Sampling Rate • +4.50V to +5.25V Supply • Low 280µA Operating Current (20kSPS) • Power-down Current between Conversions: 3µA • Excellent Differential Non-Linearity (0.75LSB Max) • Low THD: -83dB (Typ) • Pb-Free (RoHS Compliant) • Available in SOIC Package Applications • Remote Data Acquisition • Battery Operated Systems • Industrial Process Control • Energy Measurement • Data Acquisition Systems • Pressure Sensors • Flow Controllers FIGURE 1. BLOCK DIAGRAM FIGURE 2. DIFFERENTIAL LINEARITY ERROR vs CODE SERIAL INTERFACE +VCC VREF GND +IN –IN DCLOCK DOUT CS/SHDN SAR LOGIC VREF -3 -2 -1 0 1 2 3 0 512 1024 1536 2048 2560 3072 3584 4096 CODE November 1, 2011 FN7863.0 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
Nº de peça semelhante - ISL2671286IBZ |
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Descrição semelhante - ISL2671286IBZ |
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