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THS1030CDWRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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THS1030CDWRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 39 page THS1030 3V TO 5.5V, 10BIT, 30 MSPS CMOS ANALOGTODIGITAL CONVERTER SLAS243E − NOVEMBER 1999 − REVISED DECEMBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (continued) sampling rate and resolution PARAMETER MIN NOM MAX UNIT fs Sample frequency 5 30 MSPS Resolution 10 Bits electrical characteristics over recommended operating conditions, AVDD = 3 V, DVDD = 3 V, fs = 30 MSPS/50% duty cycle, MODE = AVDD, 2-V input span from 0.5 V to 2.5 V, external reference, TA = Tmin to Tmax (unless otherwise noted) analog inputs PARAMETER MIN TYP MAX UNIT VI(AIN) Analog input voltage REFBS REFTS V CI Switched sampling input capacitance 1.2 pF BW Full power bandwidth (−3 dB) 150 MHz Ilkg DC leakage current (input = ±FS) 60 µA VREF reference voltages PARAMETER MIN TYP MAX UNIT Internal 1-V reference voltage (REFSENSE = VREF) 0.95 1 1.05 V Internal 2-V reference voltage (REFSENSE = AGND) 1.90 2 2.10 V External reference voltage (REFSENSE = AVDD) 1 2 V Reference input resistance 680 Ω REFTF, REFBF reference voltages PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Differential input voltage (REFTF − REFBF) (REFSENSE = VREF) 0.9 1 1.1 V Differential input voltage (REFTF − REFBF) (REFSENSE = AGND) 1.9 2 2.1 V Input common mode voltage (REFTF + REFBF)/2 AVDD = 3 V 1.3 1.5 1.7 V Input common mode voltage (REFTF + REFBF)/2 AVDD = 5 V 2 2.5 3 V VREF = 1 V AVDD = 3 V 2 V REFTF voltage (MODE = AVDD) VREF = 1 V AVDD = 5 V 3 V REFTF voltage (MODE = AVDD) VREF = 2 V AVDD = 3 V 2.5 V VREF = 2 V AVDD = 5 V 3.5 V VREF = 1 V AVDD = 3 V 1 V REFBF voltage (MODE = AVDD) VREF = 1 V AVDD = 5 V 2 V REFBF voltage (MODE = AVDD) VREF = 2 V AVDD = 3 V 0.5 V VREF = 2 V AVDD = 5 V 1.5 V Input resistance between REFTF and REFBF 600 Ω Power up time for valid ADC conversions (tPUconv) See Note 1 1.2 µs NOTES: 1. Time from control register STBY pin returning low to the ADC conversion to be accurate within 0.1% of fullscale. |
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