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AD7889ACBZ-RL Datasheet(PDF) 3 Page - Analog Devices |
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AD7889ACBZ-RL Datasheet(HTML) 3 Page - Analog Devices |
3 / 40 page Data Sheet AD7879/AD7889 Rev. D | Page 3 of 40 SPECIFICATIONS VCC = 1.6 V to 3.6 V, TA = −40°C to +85°C, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments DC ACCURACY Resolution 12 Bits No Missing Codes 11 12 Bits Integral Nonlinearity (INL)1 ±3 LSB LSB size = 390 µV Differential Nonlinearity (DNL)1 LSB size = 390 µV Negative DNL −0.99 LSB Positive DNL 2 LSB Offset Error1, 2 ±2 ±6 LSB Gain Error1, 2 ±4 LSB Noise3 70 µV rms Power Supply Rejection3 60 dB Internal Clock Frequency 2 MHz Internal Clock Accuracy 1.8 2.2 MHz SWITCH DRIVERS On Resistance1 Y+, X+ 6 Ω Y−, X− 5 Ω ANALOG INPUTS Input Voltage Range 0 V CC V DC Leakage Current ±0.1 µA Input Capacitance 30 pF Accuracy 0.3 % TEMPERATURE MEASUREMENT Temperature Range −40 +85 °C Resolution 0.3 °C Accuracy2 ±2 °C Calibrated at 25°C BATTERY MONITOR Input Voltage Range 0.5 5 V Input Impedance3 16 kΩ Accuracy 2 5 % Uncalibrated accuracy LOGIC INPUTS (DIN, SCL, CS, SDA, GPIO) Input High Voltage, V INH 0.7 × V CC V Input Low Voltage, V INL 0.3 × V CC V Input Current, I IN 0.01 µA V IN = 0 V or VCC Input Capacitance, C IN 3 10 pF LOGIC OUTPUTS (DOUT, GPIO, SCL, SDA, INT) Output High Voltage, V OH V CC − 0.2 V Output Low Voltage, V OL 0.4 V Floating State Leakage Current ±0.1 µA Floating State Output Capacitance2 5 pF CONVERSION RATE3 Conversion Time 9.5 µs Including 2 µs of acquisition time, median and averaging (MAV) filter off; 2 µs of add- itional time is required if the MAV filter is on Throughput Rate 105 kSPS |
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