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ADS5240 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS5240 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page BurrBrown Products from Texas Instruments FEATURES APPLICATIONS DESCRIPTION 12− Bit ADC PLL S/H Serializer 1x ADCLK 6x ADCLK IN1 P ADCLK IN1 N OUT1 P OUT1 N 12− Bit ADC S/H Serializer IN2 P IN2 N OUT2 P OUT2 N 12− Bit ADC S/H Serializer IN3 P IN3 N OUT3 P OUT3 N LCLK P LCLK N ADCLK P ADCLK N 12x ADCLK 12− Bit ADC S/H Serializer IN4 P IN4 N OUT4 P OUT4 N Reference INT/EXT Registers Control ADS5242 SBAS330C – OCTOBER 2004 – REVISED OCTOBER 2005 4-Channel, 12-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 LVDS clock is used in the data • 12-Bit Resolution serialization and transmission process. The word output of each internal ADC is serialized and • No Missing Codes transmitted either MSB or LSB first. In addition to the • Total Power Dissipation four data outputs, a bit clock and a word clock are Internal Reference: 660mW also transmitted. The bit clock is at 6x the speed of External Reference: 594mW the sampling clock, whereas the word clock is at the • CMOS Technology same speed of the sampling clock. • Simultaneous Sample-and-Hold The ADS5242 provides internal references, or can • 70.8dBFS SNR at 10MHz IF optionally be driven with external references. Best performance can be achieved through the internal • 3.3V Digital/Analog Supply reference mode. • Serialized LVDS Outputs The device is available in an HTQFP-64 PowerPAD • Integrated Frame and Bit Patterns package and is specified over a –40 °C to +85°C • Option to Double LVDS Clock Output Currents operating range. • Four Current Modes for LVDS • Pin- and Format-Compatible Family • HTQFP-64 PowerPAD™ Package • Portable Ultrasound Systems • Tape Drives • Test Equipment • Optical Networking • Communications The ADS5242 is a high-performance, 65MSPS, 4-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 ADS5240 12 40 4 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 © 2004–2005, 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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