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ADM1260ACPZ bảng dữ liệu(PDF) 6 Page - Analog Devices |
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ADM1260ACPZ bảng dữ liệu(HTML) 6 Page - Analog Devices |
6 / 71 page ADM1260 Data Sheet Rev. 0 | Page 6 of 71 Parameter Min Typ Max Unit Test Conditions/Comments ANALOG-TO-DIGITAL CONVERTER Signal Range 0 VREFIN V The ADC can convert signals presented to the VH, VPx, and VXx pins; the VPx and VH input signals are attenuated depending on the selected range; a signal at the pin corresponding to the selected range is from 0.573 V to 1.375 V at the ADC input Input Reference Voltage on REFIN Pin, VREFIN 2.048 V Resolution 12 Bits Integral Nonlinearity (INL) ±2.5 LSB Endpoint corrected, VREFIN = 2.048 V Gain Error ±0.05 % VREFIN = 2.048 V Conversion Time 0.44 ms One conversion on one channel 84 ms All 12 channels selected, 16× averaging enabled Offset Error ±2 LSB VREFIN = 2.048 V Input Noise 0.25 LSB rms Direct input (no attenuator) BUFFERED VOLTAGE OUTPUT DACs Resolution 8 Bits Code 0x7F Output Voltage Six DACs are individually selectable for centering on one of four output voltage ranges Range 1 0.592 0.6 0.603 V Range 2 0.796 0.8 0.803 V Range 3 0.996 1 1.003 V Range 4 1.246 1.25 1.253 V Output Voltage 601.25 mV Reflects the DAC output voltage range, independent of center point LSB Step Size 2.36 mV INL ±0.75 LSB Endpoint corrected DNL ±0.4 LSB Gain Error 1 % Maximum Load Current Source 100 μA Sink 100 μA Maximum Load Capacitance 50 pF Settling Time to 50 pF Load 2 μs Load Regulation 2.5 mV Per mA Power Supply Rejection Ratio (PSRR) 60 dB DC 40 dB 100 mV step in 20 ns with 50 pF load REFERENCE OUTPUT Reference Output Voltage 2.043 2.048 2.053 V No load Load Regulation −0.25 mV Sourcing current, IDACxMAX = −100 μA 0.25 mV Sinking current, IDACxMAX = 100 μA Minimum Load Capacitance 1 μF Capacitor required for decoupling, stability PSRR 60 dB DC PROGRAMMABLE DRIVER OUTPUTS High Voltage Charge Pump Mode (PDO1 to PDO6) Output Impedance 500 kΩ Output Voltage When PDOx is High (VOH) 11 12.5 14 V Current drawn when PDOx is high (IOH) = 0 μA 10.5 12 13.5 V IOH = 1 μA 8 10 13.5 V IOH = 7 μA2 Average Output Current (IOUTAVG) 20 μA 2 V < VOH < 7 V |
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