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LTC2602 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2602 Datasheet(HTML) 1 Page - Linear Technology |
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1 / 32 page  LTC2320-12 1 Rev B For more information www.analog.com Document Feedback TYPICAL APPLICATION FEATURES DESCRIPTION Octal, 12-Bit + Sign, 1.5Msps/Ch Simultaneous Sampling ADC The LTC®2320-12 is a low noise, high speed octal 12-bit + sign successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operatingfromasingle3.3Vor5Vsupply,theLTC2320-12 has an 8VP-P differential input range, making it ideal for applications which require a wide dynamic range with high common mode rejection. The LTC2320-12 achieves ±0.25LSB INL typical, no missing codes at 12 bits and 77dB SNR. TheLTC2320-12hasanonboardlowdrift(20ppm/°Cmax) 2.048V or 4.096V temperature-compensated reference. The LTC2320-12 also has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 1.5Msps per channel throughput with no latency makes the LTC2320-12 ideally suited for a wide variety of high speedapplications.TheLTC2320-12dissipatesonly20mW per channel and offers nap and sleep modes to reduce the power consumption to 26μW for further power savings during inactive periods. 32k Point FFT fSMPL = 1.5Msps, fIN = 500kHz APPLICATIONS n 1.5Msps/Ch Throughput Rate n Eight Simultaneously Sampling Channels n Guaranteed 12-Bit, No Missing Codes n 8VP-P Differential Inputs with Wide Input Common Mode Range n 77dB SNR (Typ) at fIN = 500kHz n –90dB THD (Typ) at fIN = 500kHz n Guaranteed Operation to 125°C n Single 3.3V or 5V Supply n Low Drift (20ppm/°C Max) 2.048V or 4.096V Internal Reference n 1.8V to 2.5V I/O Voltages n CMOS or LVDS SPI-Compatible Serial I/O n Power Dissipation 20mW/Ch (Typ) n Small 52-Lead (7mm × 8mm) QFN Package n High Speed Data Acquisition Systems n Communications n Remote Data Acquisition n Imaging n Optical Networking n Automotive n Multiphase Motor Control All registered trademarks and trademarks are the property of their respective owners. SNR = 78.4dB THD = –90.9dB SINAD = 78.2dB SFDR = 95.2dB FREQUENCY (MHz) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 –140 –120 –100 –80 –60 –40 –20 0 232012 TA01b BIPOLAR UNIPOLAR ARBITRARY TRUE DIFFERENTIAL INPUTS NO CONFIGURATION REQUIRED IN+, IN– DIFFERENTIAL 0V 0V 0V 0V VDD VDD VDD VDD 1µF 10µF 10µF 10µF 10µF 10µF 1µF S/H AIN1+ AIN1– S/H AIN2+ AIN2– MUX 12-BIT + SIGN SAR ADC 12-BIT + SIGN SAR ADC 12-BIT + SIGN SAR ADC 12-BIT + SIGN SAR ADC S/H AIN3+ AIN3– S/H AIN4+ AIN4– MUX S/H AIN5+ AIN5– S/H AIN6+ AIN6– MUX S/H AIN7+ AIN7– S/H AIN8+ AIN8– MUX OVDD REF GND GND REFOUT1 VDD 1.8V TO 2.5V 3.3V OR 5V CMOS/LVDS SDR/DDR REFBUFEN SDO1 SDO2 SDO3 SDO4 SDO5 SDO6 SDO7 SDO8 CLKOUT SCK CNV SAMPLE CLOCK REFOUT2 REFOUT3 REFOUT4 EIGHT SIMULTANEOUS SAMPLING CHANNELS LTC2320-12 232012 TA01a |
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Similar Description - LTC2602 |
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