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ADS5270 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS5270 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page BurrBrown Products from Texas Instruments FEATURES APPLICATIONS DESCRIPTION 10−Bit ADC PLL S/H Serializer 1x ADCLK 6x ADCLK IN1 P ADCLK IN1 N OUT1P OUT1N 10−Bit ADC S/H Serializer IN2 P IN2 N OUT2 P OUT2 N 10−Bit ADC S/H Serializer IN3 P IN3 N OUT3 P OUT3 N LCLK P LCLK N ADCLK P ADCLK N 12x ADCLK 10−Bit ADC S/H Serializer IN4P IN4N OUT4 P OUT4 N 10−Bit ADC S/H Serializer IN5 P IN5N OUT5P OUT5N 10−Bit ADC S/H Serializer IN6 P IN6 N OUT6 P OUT6N 10−Bit ADC S/H Serializer IN7 P IN7 N OUT7 P OUT7 N 10−Bit ADC S/H Serializer Reference IN8 P IN8 N INT/EXT OUT8 P OUT8 N Registers Control ADS5277 SBAS333C – FEBRUARY 2005 – REVISED SEPTEMBER 2005 8-Channel, 10-Bit, 65MSPS Analog-to-Digital Converter with Serial LVDS Interface An integrated phase lock loop (PLL) multiplies the incoming ADC sampling clock by a factor of 12. This • Maximum Sample Rate: 65MSPS high-frequency clock is used in the data serialization • 10-Bit Resolution and transmission process. The word output of each internal ADC is serialized and transmitted either MSB • No Missing Codes or LSB first. The word consists of 12 bits, of which • Total Power Dissipation: the 2 LSBs are zeroes and the remaining 10 bits Internal Reference: 911mW correspond to the output from the ADC. This External Reference: 845mW formatting is done in order to keep the interface • CMOS Technology compatible with the 12-bit parts of the family. In addition to the eight data outputs, a bit clock and a • Simultaneous Sample-and-Hold word clock are also transmitted. The bit clock is at 6x • 61.7dBFS SNR at 5MHz IF the speed of the sampling clock, whereas the word • 3.3V Digital/Analog Supply clock is at the same speed of the sampling clock. • Serialized LVDS Outputs The ADS5277 provides internal references, or can • Integrated Frame and Bit Patterns optionally be driven with external references. Best performance is achieved through the internal • Option to Double LVDS Clock Output Currents reference mode. • Four Current Modes for LVDS The ADS5277 is available in a PowerPAD TQFP-80 • Pin- and Format-Compatible Family package and is specified over a –40 °C to +85°C • TQFP-80 PowerPAD™ Package operating range. • Portable Ultrasound Systems • Tape Drives • Test Equipment The ADS5277 is a high-performance, CMOS, 65MSPS, 8-channel analog-to-digital converter (ADC). Internal references are provided, simplifying system design requirements. Low power consumption allows for the highest of system integration densities. Serial LVDS (low-voltage differential signaling) outputs reduce the number of interface lines and package size. RELATED PRODUCTS RESOLUTION SAMPLE RATE MODEL (BITS) (MSPS) CHANNELS ADS5270 12 40 8 ADS5271 12 50 8 ADS5272 12 65 8 ADS5273 12 70 8 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 trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005, 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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