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ADS5102CPFB Datasheet(PDF) 5 Page - Texas Instruments |
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ADS5102CPFB Datasheet(HTML) 5 Page - Texas Instruments |
5 / 23 page ADS5102 ADS5103 SLAS351B – OCTOBER 2001 – REVISED DECEMBER 2001 5 www.ti.com electrical characteristics over recommended operating conditions, AVDD = DVDD = 1.8 V, DRVDD = 3.3 V, Fs = 40, 65 MSPS (as appropriate)/50% duty cycle, –1 dBFS input span, CL = 10 pF at D0–D9, internal reference, T(min) to T(max), typical data at 25°C (unless otherwise noted) internal reference voltages PARAMETER MIN TYP MAX UNIT VREFT Reference top voltage 1.30 1.34 1.39 V VREFB Reference bottom voltage 0.78 0.81 0.84 V VCML Common-mode voltage 0.85 1.05 1.15 V VBG Bandgap voltage 1.22 1.27 1.32 V external reference voltages PARAMETER MIN TYP MAX UNIT REFT Reference input voltage (top) 1.15 1.25 1.35 V REFB Reference input voltage (bottom) 0.70 0.75 0.85 V REFT–REFB Differential input 0.45 0.50 0.55 V Input resistance 200 Ω digital outputs PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V High level output voltage I50 A DRVDD = 1.8 V DRVDD – 0.1 V VOH High-level output voltage IOH = 50 µA DRVDD = 3.3 V DRVDD – 0.2 V V Low level output voltage I50 A DRVDD = 1.8 V 0.1 V VOL Low-level output voltage IOL = 50 µA DRVDD = 3.3 V 0.2 V CL External load capacitance 15 pF digital inputs PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V High level input voltage DRVDD = 1.8 V 0.8 × DRVDD V VIH High-level input voltage DRVDD = 3.3 V 0.8 × DRVDD V V Low level input voltage DRVDD = 1.8 V 0.2 × DRVDD V VIL Low-level input voltage DRVDD = 3.3 V 0.2 × DRVDD V IIH High-level input current VIH = DRVDD ±5 µA IIL Low-level input current VIL = 0 V ±5 µA dc accuracy PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (INL) Integral nonlinearity ADS5102 ±1 ±2.5 LSB (INL) Integral nonlinearity ADS5103 ±0.5 ±1.5 LSB (DNL) Differential nonlinearity ADS5102 ±0.5 ±1 LSB (DNL) Differential nonlinearity ADS5103 ±0.4 ±0.8 LSB Missing code No missing code assured Offset error REFT = 1.25 V, REFB = 0.75 V ±0.4 ±1.5 %FSR Gain error REFT = 1.25 V, REFB = 0.75 V ±1.4 ±2 %FSR |
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