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ADS1100A3IDBVT Datasheet(PDF) 3 Page - Texas Instruments |
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ADS1100A3IDBVT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 24 page ADS1100 3 SBAS239B www.ti.com ADS1100 PARAMETER CONDITIONS MIN TYP MAX UNITS ANALOG INPUT Full-Scale Input Voltage (VIN+) – (VIN–) ±V DD/PGA V Analog Input Voltage VIN+, VIN– to GND GND – 0.2 VDD + 0.2 V Differential Input Impedance 2.4/PGA M Ω Common-Mode Input Impedance 8M Ω SYSTEM PERFORMANCE Resolution and No Missing Codes DR = 00 12 12 Bits DR = 01 14 14 Bits DR = 10 15 15 Bits DR = 11 16 16 Bits Conversion Rate DR = 00 104 128 184 SPS DR = 01 26 32 46 SPS DR = 10 13 16 23 SPS DR = 11 6.5 8 11.5 SPS Output Noise See Typical Characteristic Curves Integral Nonlinearity DR = 11, PGA = 1, End Point Fit(1) ±0.003 ±0.0125 % of FSR(2) Offset Error ±2.5/PGA ±5/PGA mV Offset Drift PGA = 1 1.5 8 µV/°C PGA = 2 1.0 4 µV/°C PGA = 4 0.7 2 µV/°C PGA = 8 0.6 2 µV/°C Gain Error 0.01 0.1 % Gain Error Drift 2 ppm/ °C Common-Mode Rejection At DC, PGA = 8 94 100 dB At DC, PGA = 1 85 dB DIGITAL INPUT/OUTPUT Logic Level VIH 0.7 • VDD 6V VIL GND – 0.5 0.3 • VDD V VOL IOL = 3mA GND 0.4 V Input Leakage IIH VIH = 5.5V 10 µA IIL VIL = GND –10 µA POWER-SUPPLY REQUIREMENTS Power-Supply Voltage VDD 2.7 5.5 V Supply Current Power Down 0.05 2 µA Active Mode 90 150 µA Power Dissipation VDD = 5.0V 450 750 µW VDD = 3.0V 210 µW NOTES: (1) 99% of full-scale. (2) FSR = Full-Scale Range = 2 • VDD/PGA. ELECTRICAL CHARACTERISTICS All specifications at –40 °C to +85°C, V DD = 5V, GND = 0V, and all PGAs, unless otherwise noted. |
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