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ADS8327IBRSAR Datasheet(PDF) 1 Page - Texas Instruments |
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ADS8327IBRSAR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 50 page  REF− +IN REF+ SDI SCLK SDO CDAC SAR COMPARATOR OUTPUT LATCH and 3−STATE DRIVER CONVERSION and CONTROL LOGIC −IN +IN1 +IN0 COM NC OSC _ + ADS8328 ADS8327 FS/CS CONVST EOC/INT/CDI ADS8327 ADS8328 www.ti.com SLAS415E – APRIL 2006 – REVISED JANUARY 2011 LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE Check for Samples: ADS8327, ADS8328 1 FEATURES APPLICATIONS • Communications • 2.7-V to 5.5-V Analog Supply, Low Power: • Transducer Interface – 10.6 mW (500 kHz, +VA = 2.7 V, • Medical Instruments +VBD = 1.8 V) • Magnetometers • 500-kHz Sampling Rate • Industrial Process Control • Excellent DC Performance • Data Acquisition Systems – ±1.5 LSB Typ, ±2 LSB Max INL • Automatic Test Equipment – ±0.6 LSB Typ, ±1 LSB Max DNL – 16-Bit NMC Over Temperature DESCRIPTION – ±0.5 mV Max Offset Error at 2.7 V The ADS8327 is a low power, 16-bit, 500-kSPS – ±1 mV Max Offset Error at 5 V analog-to-digital converter with a unipolar input. The • Excellent AC Performance at fI = 10 kHz with device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. 91 dB SNR, 100 dB SFDR, –96 dB THD • Built-In Conversion Clock (CCLK) The ADS8328 is based on the same core and includes a 2-to-1 input MUX with programmable • 1.65 V to 1.5 ×(+VA) I/O Supply option of TAG bit output. Both the ADS8327 and – SPI/DSP Compatible Serial ADS8328 offer a high-speed, wide voltage serial – SCLK up to 50 MHz interface and are capable of chain mode operation when multiple converters are used. • Comprehensive Power-Down Modes: – Deep Power-Down These converters are available in a 16-lead TSSOP or 4x4 QFN packages and are fully specified for – Nap Power-Down operation over the industrial –40°C to +85 °C – Auto Nap Power-Down temperature range. • Unipolar Input Range: 0 V to VREF Table 1. Low Power, High-Speed SAR Converter • Software Reset Family • Global CONVST (Independent of CS) Type/Speed 500 kHz 1 MHz • Programmable Status/Polarity EOC/INT Single ADS8327 ADS8329 • 16-Pin 4 ×4 QFN or 16-Pin TSSOP Packages 16 Bit Pseudo-Diff Dual ADS8328 ADS8330 • Multi-Chip Daisy Chain Mode • Programmable TAG Bit Output • Auto/Manual Channel Select Mode 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. © 2006–2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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