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LTC2391CLX-16PBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC2391CLX-16PBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 24 page LTC2391-16 239116f TYPICAL APPLICATION DesCrIPTION 16-Bit, 250ksps SAR ADC with 94dB SNR The LTC®2391-16 is a low noise, high speed 16-bit suc- cessive approximation register (SAR) ADC. Operating from a single 5V supply, the LTC2391-16 supports a large ±4.096V fully differential input range, making it ideal for high performance applications which require maximum dynamicrange.TheLTC2391-16achieves±2LSBINLmax, no missing codes at 16-bits and 94dB SNR (typ). The LTC2391-16 includes a precision internal reference with a guaranteed 0.5% initial accuracy and a ±20ppm/°C (max) temperature coefficient. Fast 250ksps throughput with no cycle latency in both parallel and serial interface modes makes the LTC2391-16 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing consider- ations.TheLTC2391-16dissipatesonly95mWat250ksps, whilebothnapandsleeppower-downmodesareprovided to further reduce power during inactive periods. FeATures APPLICATIONs n 250ksps Throughput Rate n ±2LSB INL (Max) n Guaranteed 16-Bit No Missing Codes n 94dB SNR (Typ) at fIN = 20kHz n Guaranteed Operation to 125°C n Single 5V Supply n 1.8V to 5V I/O Voltages n 95mW Power Dissipation n ±4.096V Differential Input Range n Internal Reference (20ppm/°C Max) n No Pipeline Delay, No Cycle Latency n Parallel and Serial Interface n Internal Conversion Clock n 48-Pin 7mm × 7mm LQFP and QFN Packages n Medical Imaging n High Speed Data Acquisition n Digital Signal Processing n Industrial Process Control n Instrumentation n ATE 16k Point FFT fS = 250ksps, fIN = 20kHz L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 5V 0.1µF 10µF 5V 0.1µF 10µF SER/PAR BYTESWAP OB/2C CS RD BUSY PARALLEL OR SERIAL INTERFACE OGND 239116 TA01 IN– IN+ 2200pF 249 249 ANALOG INPUT 0V TO 4.096V SINGLE-ENDED- TO-DIFFERENTIAL DRIVER GND RESET CNVST PD SAMPLE CLOCK REFOUT REFIN AVP DVP LTC2391-16 OVP 1.8V TO 5V 16 BIT VCM 1µF 10µF 4.7µF LT6350 FREQUENCY (kHz) 0 –180 –160 –120 –100 –80 50 100 125 0 239116 G08 –140 25 75 –60 –40 –20 SNR = 94dB THD –103dB SINAD = 93.5dB SFDR = 104dB |
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