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AD7418ARM Datasheet(PDF) 2 Page - Analog Devices |
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AD7418ARM Datasheet(HTML) 2 Page - Analog Devices |
2 / 20 page REV. G –2– AD7416/AD7417/AD7418 (VDD = 2.7 V to 5.5 V, GND = 0 V, REFIN = 2.5 V, unless otherwise noted.) Parameter A Version B Version 1 Unit Test Conditions/Comments DC ACCURACY Any Channel. Resolution 10 10 Bits Minimum Resolution for Which No Missing Codes Are Guaranteed 10 10 Bits Relative Accuracy2 ±1 ±1LSB max This Specification Is Typical for VDD of 3.6 V to 5.5 V. Differential Nonlinearity 2 ±1 ±1LSB max This Specification Is Typical for VDD of 3.6 V to 5.5 V. Gain Error 2 ±3 ±3LSB max External Reference. ±10 ±10 LSB max Internal Reference. Gain Error Match2 ±0.6 ±0.6 LSB max AD7417 Only. Offset Error 2 ±4 ±4LSB max Offset Error Match ±0.7 ±0.7 LSB max AD7417 Only. ANALOG INPUTS Input Voltage Range VREF VREF V max 00 V min Input Leakage Current 3 ±1 ±1 µA max Input Capacitance 10 10 pF max TEMPERATURE SENSOR 1 Measurement Error Ambient Temperature 25 °C ±2 ±1 °C max TMIN to TMAX ±3 ±2 °C max Temperature Resolution 1/4 1/4 °C/LSB CONVERSION RATE Track-and-Hold Acquisition Time4 400 400 ns max Source Impedance < 10 Ω. Conversion Time Temperature Sensor 30 30 µs max Typically 27 µs. Channels 1 to 4 15 15 µs max Typically 10 µs. REFERENCE INPUT 5, 6 REFIN Input Voltage Range 6 2.625 2.625 V max 2.5 V + 5%. 2.375 2.375 V min 2.5 V – 5%. Input Impedance 40 40 k Ω min Input Capacitance 10 10 pF max ON-CHIP REFERENCE Nominal 2.5 V. Reference Error 6 ±25 ±25 mV max Temperature Coefficient 6 80 80 ppm/ °C typ DIGITAL INPUTS Input High Voltage, VIH VDD × 0.7 VDD × 0.7 V min Input Low Voltage, VIL VDD × 0.3 VDD × 0.3 V max Input Leakage Current 1 1 µA max DIGITAL OUTPUTS Output Low Voltage, VOL 0.4 0.4 V max IOL = 3 mA. Output High Current 1 1 µA max VOH = 5 V. POWER REQUIREMENTS VDD 5.5 5.5 V max For Specified Performance. 2.7 2.7 V min IDD Logic Inputs = 0 V or VDD. Normal Operation 600 600 µA max Power-Down 1 1 µA max 50 nA Typically. Auto Power-Down Mode VDD = 3 V. See Operating Modes. 10 SPS Throughput Rate 6 6 µW typ 1 kSPS Throughput Rate 60 60 µW typ 10 kSPS Throughput Rate 600 600 µW typ Power-Down 3 3 µW max Typically 0.15 µW. AD7417/AD7418–SPECIFICATIONS |
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