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ADS1110A4IDBVR Datasheet(PDF) 3 Page - Texas Instruments |
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ADS1110A4IDBVR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 17 page ADS1110 SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 www.ti.com 3 ELECTRICAL CHARACTERISTICS All specifications at −40 °C to +85°C, VDD = 5V, and all PGAs, unless otherwise noted. ADS1110 PARAMETER CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-Scale Input Voltage (VIN+) − (VIN−) ±2.048/PGA V Analog Input Voltage VIN+ to GND or VIN− to GND GND − 0.2 VDD + 0.2 V Differential Input Impedance 2.8/PGA M Ω Common-Mode Input Impedance PGA = 1 3.5 M Ω PGA = 2 3.5 M Ω PGA = 4 1.8 M Ω PGA = 8 0.9 M Ω SYSTEM PERFORMANCE Resolution and No Missing Codes DR = 00 12 12 Bits Resolution and No Missing Codes DR = 01 14 14 Bits DR = 10 15 15 Bits DR = 11 16 16 Bits Data Rate DR = 00 180 240 308 SPS Data Rate DR = 01 45 60 77 SPS DR = 10 22 30 39 SPS DR = 11 11 15 20 SPS Output Noise See Typical Characteristic Curves Integral Nonlinearity DR = 11, PGA = 1, End Point Fit(1) ±0.004 ±0.010 % of FSR(2) Offset Error PGA = 1 1.2 8 mV Offset Error PGA = 2 0.7 4 mV PGA = 4 0.5 2.5 mV PGA = 8 0.4 1.5 mV Offset Drift PGA = 1 1.2 µV/°C Offset Drift PGA = 2 0.6 µV/°C PGA = 4 0.3 µV/°C PGA = 8 0.3 µV/°C Offset vs VDD PGA = 1 800 µV/V Offset vs VDD PGA = 2 400 µV/V PGA = 4 200 µV/V PGA = 8 150 µV/V Gain Error(3) 0.05 0.40 % PGA Gain Error Match(3) Match Between Any Two PGA Gains 0.02 0.10 % Gain Error Drift(3) 5 40 ppm/ °C Gain vs VDD 80 ppm/V Common-Mode Rejection At DC and PGA = 8 95 105 dB Common-Mode Rejection At DC and PGA = 1 100 dB DIGITAL INPUT/OUTPUT Logic Level VIH 0.7 • VDD 6 V VIL GND − 0.5 0.3 • VDD V VOL IOL = 3mA GND 0.4 V Input Leakage IH VIH = 5.5V 10 µA IL VIL = GND −10 µA POWER-SUPPLY REQUIREMENTS Power-Supply Voltage VDD 2.7 5.5 V Supply Current Power Down 0.05 2 µA Supply Current Active Mode 240 350 µA Power Dissipation VDD = 5.0V 1.2 1.75 mW Power Dissipation VDD = 3.0V 0.675 mW (1) 99% of full-scale. (2) FSR = full-scale range = 2 × 2.048V/PGA = 4.096V/PGA. (3) Includes all errors from onboard PGA and reference. |
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