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ADS8555SPMR Datasheet(PDF) 1 Page - Texas Instruments |
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ADS8555SPMR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page SARADC String DAC 2.5V/3V REF BUSY/INT RANGE/XCLK HW/SW REF /WR RESET EN STBY CS RD / DB[15:0] WORD/BYTE PAR/SER FS CH_A0 CONVST_A AGND REFC_A REF_IO AVDD BVDD BGND AGND HVDD HVSS Control Logic Config Register I/O SARADC CH_A1 AGND SARADC CH_B0 CONVST_B AGND REFC_B SARADC CH_B1 AGND SARADC CH_C0 CONVST_C AGND REFC_C SARADC CH_C1 AGND Clock Generator ADS8555 www.ti.com SBAS531B – DECEMBER 2010 – REVISED FEBRUARY 2011 16-Bit, Six-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER Check for Samples: ADS8555 1 FEATURES DESCRIPTION 2 • Six SAR ADCs Grouped in Three Pairs The ADS8555 contains six low-power, 16-bit, successive approximation register (SAR)-based • Maximum Data Rate Per Channel with Internal analog-to-digital converters (ADCs) with true bipolar Clock and Reference: inputs. Each channel contains a sample-and-hold 630kSPS (Parallel) or 450kSPS (Serial) circuit that allows simultaneous high-speed • Maximum Data Rate Per Channel with External multi-channel signal acquisition. Clock and Reference: The ADS8555 supports data rates of up to 630kSPS 800kSPS (Parallel) or 500kSPS (Serial) in parallel interface mode or up to 450kSPS if the • Pin-Selectable or Programmable Input Voltage serial interface is used. The bus width of the parallel Ranges: Up to ±12V interface can be set to eight or 16 bits. In serial • Excellent AC Performance: mode, up to three output channels can be activated. 91.5dB SNR, –94dB THD The ADS8555 is specified over the extended • Programmable and Buffered Internal industrial temperature range of –40°C to +125°C and Reference: 0.5V to 2.5V and 0.5V to 3.0V is available in an LQFP-64 package. • Comprehensive Power-Down Modes: Deep Power-Down (Standby Mode) Auto-Nap Power-Down • Selectable Parallel or Serial Interface • Operating Temperature Range: –40°C to +125°C • LQFP-64 Package APPLICATIONS • Power Quality Measurement • Protection Relays • Multi-Axis Motor Control • Programmable Logic Controllers • Industrial Data Acquisition 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. © 2010–2011, 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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