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THS1403 Datasheet(PDF) 4 Page - Texas Instruments |
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THS1403 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 22 page THS1401, THS1403, THS1408 14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA SLAS248 – DECEMBER 1999 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions PARAMETER MIN NOM MAX UNIT Supply voltage, AVDD, DVDD 3 3.3 3.6 V High level digital input, VIH 2 3.3 V Low level digital input, VIL 0 0.8 V Load capacitance, CL 5 15 pF THS1401 0.1 1 1 MHz Clock frequency, fCLK THS1403 0.1 3 3 MHz THS1408 0.1 8 8 MHz Clock duty cycle 40% 50% 60% Operating free air temperature C suffix 0 25 70 °C Operating free-air temperature I suffix –40 25 85 °C electrical characteristics over recommended operating conditions PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Power Supply IDDA Analog supply current 81 90 mA IDDD Digital supply current 5 10 mA Power 270 360 mW Power down current 20 µA DC Characteristics Resolution 14 Bits DNL Differential nonlinearity ±0.6 ±1 LSB THS1401 ±1.5 ±2.5 LSB INL Integral nonlinearity THS1403 Best fit ±1.5 ±2.5 LSB THS1408 ±3 ±5 LSB Offset error IN+ = IN–, PGA = 0 dB 0.3 %FSR Gain error PGA = 0 dB 1 %FSR AC Characteristics ENOB Effective number of bits 11.2 11.5 Bits THS1401/3/8 fi = 100 kHz –81 THD Total harmonic distortion THS1403/8 fi = 1 MHz –78 dB THS1408 fi = 4 MHz –77 THS1401/3/8 fi = 100 kHz 72 SNR Signal-to-noise ratio THS1403/8 fi = 1 MHz 70 72 dB THS1408 fi = 4 MHz 71 THS1401/3/8 fi = 100 kHz 70 SINAD Signal-to-noise ratio + distortion THS1403/8 fi = 1 MHz 69 70 dB THS1408 fi = 4 MHz 70 THS1401/3/8 fi = 100 kHz 80 SFDR Spurious free dynamic range THS1403/8 fi = 1 MHz 73 80 dB THS1408 fi = 4 MHz 80 Analog input bandwidth 140 MHz |
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