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ADS5295IPFP Datasheet(PDF) 1 Page - Texas Instruments |
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ADS5295IPFP Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 91 page  ADS5295 www.ti.com SBAS595 – DECEMBER 2012 12-Bit, 100-MSPS, 8-Channel Analog-to-Digital Converter Check for Samples: ADS5295 1 FEATURES DESCRIPTION The ADS5295 is a low-power, 12-bit, 100-MSPS, 8- 2 • Maximum Sample Rate: 100 MSPS channel analog-to-digital converter (ADC). Low power • Designed for Low Power: consumption and integration of multiple channels in a – 80 mW per channel at 100 MSPS compact package make the device attractive for very high channel count data acquisition systems. • SNR: 70.6 dBFS • SFDR: 85 dBc at 10 MHz, 100 MSPS Serial low-voltage differential signaling (LVDS) outputs reduce the number of interface lines and • Serial LVDS ADC Data Outputs: enable high system integration. The ADC digital data – One- or Two-Wire Serialized LVDS Outputs can be output over one or two wires of LVDS pins per per Channel channel. At high sample rates, the two-wire interface – One-Wire Interface: helps keep the serial data rate low, allowing low-cost field-programmable gate array (FPGA)-based Up to 80 MSPS Sample Rate receivers to be used. – Two-Wire Interface: Up to 100 MSPS Sample Rate The device integrates an internal reference trimmed to accurately match across devices. Best • Digital Processing Block: performance is expected to be achieved through the – Programmable FIR Decimation Filter and internal reference mode. However, the device can be Oversampling to Minimize Harmonic driven with external references as well. Interference Several digital functions that are commonly used in – Programmable IIR High-Pass Filter to systems are included in the device. These functions Minimize DC Offset include a low-frequency suppression mode, digital – Programmable Digital Gain: 0 dB to 12 dB filtering options, and programmable mapping. • Low-Frequency Noise Suppression Mode For low input frequency applications, the low- • Programmable Mapping Between ADC Input frequency noise suppression mode enables noise suppression at low frequencies and improves signal- Channels and LVDS Output Pins to-noise ratio (SNR) in the 1-MHz band near dc by • Channel Averaging Mode approximately 3 dB. Digital filtering options include • Variety of LVDS Test Patterns to Verify low-pass, high-pass, and band-pass digital filters, as Data Capture by FPGA or Receiver well as dc offset removal filters. The device also provides programmable mapping of the LVDS output • Package: 12-mm × 12-mm QFP-80 pins and analog input channels. For applications where the 12-bit ADC SNR is not required, the APPLICATIONS ADS5295 can be configured as an 8-channel, 10-bit • Ultrasound Imaging ADC with 10x LVDS serialization to reduce the output data rate. • Communication Applications • Multichannel Data Acquisition The device is available in a 12-mm × 12-mm QFP-80 package. The ADS5295 is specified over the –40°C to +85°C operating temperature range. 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. Copyright © 2012, 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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