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AD7879-1ACPZ-RL Datasheet(PDF) 3 Page - Analog Devices |
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AD7879-1ACPZ-RL Datasheet(HTML) 3 Page - Analog Devices |
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3 / 36 page  AD7879 Rev. 0 | Page 3 of 36 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 Error2 ±2 ±6 LSB Gain Error2 ±4 LSB Noise3 70 μV rms Power Supply Rejection3 60 dB Internal Clock Frequency 2 MHz SWITCH DRIVERS On Resistance1 Y+, X+ 6 Ω Y−, X− 5 Ω ANALOG INPUTS Input Voltage Ranges 0 VCC 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 V Input Impedance3 16 kΩ Accuracy 2 5 % Uncalibrated accuracy LOGIC INPUTS (DIN, SCL, CS, SDA, GPIO) Input High Voltage, VINH 0.7 VCC V Input Low Voltage, VINL 0.3 VCC V Input Current, IIN 0.01 μA VIN = 0 V or VCC Input Capacitance, CIN3 10 pF LOGIC OUTPUTS (DOUT, GPIO, SCL, SDA, INT) Output High Voltage, VOH VCC − 0.2 V Output Low Voltage, VOL 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 Throughput Rate 105 kSPS POWER REQUIREMENTS VCC (Specified Performance) 1.6 2.6 3.6 V ICC Digital inputs = 0 V or VCC Converting Mode 480 650 μA ADC on, PM = 10 Static 406 μA ADC and temperature sensor are off; the reference and oscillator are on; PM = 01, 11 Shutdown Mode 0.5 6 μA PM = 00 1 See the Terminology section. 2 Guaranteed by characterization, not production tested. 3 Sample tested at 25°C to ensure compliance. |
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