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ADS8331IRGET Datasheet(PDF) 1 Page - Texas Instruments |
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ADS8331IRGET Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 57 page  SDI SCLK SDO CDAC SAR Comparator Output Latch and 3-State Driver Conversion and Control Logic _ + FS/CS CONVST EOC/INT/CDI RESET REF+ M U X ADCIN MUXOUT IN[0:3] or IN[0:7] COM REF- Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADS8331, ADS8332 SBAS363D – DECEMBER 2009 – REVISED OCTOBER 2015 ADS833x Low-Power, 16-Bit, 500-kSPS, 4-/8-Channel Unipolar Input Analog-to-Digital Converters With Serial Interface 1 Features 2 Applications 1 • Low-Power, Flexible Supply Range: • Communications • Transducer Interfaces – 2.7-V to 5.5-V Analog Supply • Medical Instruments – 8.7 mW (250 kSPS in Auto-NAP Mode, VA = 2.7 V, VBD = 1.65 V) • Magnetometers – 14.2 mW (500 kSPS, VA = 2.7 V, • Industrial Process Controls VBD = 1.65 V) • Data Acquisition Systems • Up to 500-kSPS Sampling Rate • Automatic Test Equipment • Excellent DC Performance: 3 Description – ±1.2 LSB Typical, ±2 LSB Maximum INL at 2.7 V The ADS8331 is a low-power, 16-bit, 500-k samples- per-second (SPS) analog-to-digital converter (ADC) – ±0.6 LSB Typical, –1/1.5 LSB Maximum DNL with a unipolar, 4-to-1 multiplexer (mux) input. The at 2.7 V device includes a 16-bit capacitor-based successive – 16-Bit NMC Over Temperature approximation register (SAR) ADC with inherent • Excellent AC Performance at 5 V, fIN = 1 kHz: sample and hold. – 91.5-dB SNR, 101-dB SFDR, –100-dB THD The ADS8332 is based on the same core and includes a unipolar 8-to-1 input mux. Both devices • Flexible Analog Input Arrangement: offer a high-speed, wide-voltage serial interface and – On-Chip 4-/8-Channel Mux With Breakout are capable of daisy-chain operation when multiple – Auto/Manual Channel Select and Trigger converters are used. • Other Hardware Features: These converters are available in 24-pin, 4 × 4 QFN – On-Chip Conversion Clock (CCLK) and 24-pin TSSOP packages and are fully specified for operation over the industrial –40°C to 85°C – Software/Hardware Reset temperature range. – Programmable Status/Polarity EOC/INT – Daisy-Chain Mode Device Information(1) – Global CONVST (Independent of CS) PART NUMBER PACKAGE BODY SIZE (NOM) – Deep, Nap, and Auto-NAP Powerdown Modes VQFN (24) 4.00 mm × 4.00 mm ADS833x – SPI™/DSP Compatible Serial Interface TSSOP (24) 7.80 mm × 4.40 mm – Separate I/O Supply: 1.65 V to VA (1) For all available packages, see the orderable addendum at the end of the data sheet. – SCLK up to 40 MHz (VA = VBD = 5 V) • 24-Pin 4-mm × 4-mm VQFN and 24-Pin TSSOP Packages Block Diagram 1 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. |
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