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ADS1605IPAPT Datasheet(PDF) 1 Page - Texas Instruments |
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ADS1605IPAPT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 38 page FEATURES D Data Rate: 5MSPS (10MSPS in 2X Mode) D Signal-to-Noise Ratio: 88dB D Total Harmonic Distortion: −99dB D Spurious-Free Dynamic Range: 101dB D Linear Phase with 2.45MHz Bandwidth D Passband Ripple: ±0.0025dB D Selectable On-Chip Reference D Directly Connects to TMS320C6000 DSPs D Easily Upgradable to 18 Bits with the ADS1625 and ADS1626 D Adjustable Power Dissipation: 315 to 570mW D Power Down Mode D Supplies: Analog +5V Digital +3V Digital I/O +2.7V to +5.25V APPLICATIONS D Scientific Instruments D Automated Test Equipment D Data Acquisition D Medical Imaging D Vibration Analysis DESCRIPTION The ADS1605 and ADS1606 are high-speed, high-pre- cision, delta-sigma analog-to-digital converters (ADCs) with 16-bit resolution. The data rate is 5 mega-samples per second (MSPS), the bandwidth (−3dB) is 2.45MHz, and passband ripple is less than ±0.0025dB (to 2.2MHz). Both devices offer the same outstanding per- formance at these speeds with a signal-to-noise ratio up to 88dB, total harmonic distortion down to −99dB, and a spurious-free dynamic range up to 101dB. For even higher-speed operation, the data rate can be doubled to 10MSPS in 2X mode. The ADS1606 includes an adjust- able first-in first-out buffer (FIFO) for the output data. The input signal is measured against a voltage refer- ence that can be generated on-chip or supplied exter- nally. The digital output data are provided over a simple parallel interface that easily connects to digital signal processors (DSPs). An out-of-range monitor reports when the input range has been exceeded. The ADS1605/6 operate from a +5V analog supply (AVDD) and +3V digital supply (DVDD). The digital I/O supply (IOVDD) operates from +2.7 to +5.25V, enabling the digital interface to support a range of logic families. The analog power dissipation is set by an external resistor and can be reduced when operating at slower speeds. A power down mode, activated by a digital I/O pin, shuts down all circuitry. The ADS1605/6 are offered in a TQFP-64 package using TI PowerPAD technology. The ADS1605 and ADS1606, along with their 18-bit counterparts, the ADS1625 and ADS1626, are well suited for the demanding measurement requirements of scientific instrumentation, automated test equip- ment, data acquisition, and medical imaging. REFEN FIFO_LEV[2:0] DOUT[15:0] OTR DRDY RD 2XMODE CS CLK PD RESET ADS1606 Only FIFO I/O Interface Digital Filter DS Modulator Reference and Bias Circuits DGND AGND AVDD DVDD IOVDD VCAP RBIAS VMID VREFN VREFP AINP AINN ADS1605 ADS1606 ADS1605 ADS1606 SBAS274H − MARCH 2003 − REVISED MAY 2007 16-Bit, 5MSPS Analog-to-Digital Converter PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. www.ti.com Copyright 2003−2007, Texas Instruments Incorporated 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. PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. |
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