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ADUC831 Datasheet(PDF) 3 Page - Analog Devices |
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ADUC831 Datasheet(HTML) 3 Page - Analog Devices |
3 / 76 page REV. 0 –3– Parameter VDD = 5 V VDD = 3 V Unit Test Conditions/Comments ADC CHANNEL SPECIFICATIONS DC ACCURACY 2, 3 fSAMPLE = 147 kHz, see Page 11 for Typical Performance at other fSAMPLE Resolution 12 12 Bits Integral Nonlinearity ±1 ±1LSB max 2.5 V Internal Reference ±0.3 ±0.3 LSB typ Differential Nonlinearity ±0.9 ±0.9 LSB max 2.5 V Internal Reference ±0.25 ±0.25 LSB typ Integral Nonlinearity 4 ±1.5 ±1.5 LSB max 1 V External Reference Differential Nonlinearity 4 +1.5/-0.9 +1.5/–0.9 LSB max 1 V External Reference Code Distribution 1 1 LSB typ ADC Input is a DC Voltage CALIBRATED ENDPOINT ERRORS 5, 6 Offset Error ±4 ±4LSB max Offset Error Match ±1 ±1LSB typ Gain Error ±2 ±3LSB max Gain Error Match –85 –85 dB typ DYNAMIC PERFORMANCE fIN = 10 kHz Sine Wave fSAMPLE = 147 kHz Signal-to-Noise Ratio (SNR) 7 71 71 dB typ Total Harmonic Distortion (THD) –85 –85 dB typ Peak Harmonic or Spurious Noise –85 –85 dB typ Channel-to-Channel Crosstalk 8 –80 –80 dB typ ANALOG INPUT Input Voltage Ranges 0 to VREF 0 to VREF V Leakage Current ±1 ±1 µA max Input Capacitance 32 32 pF typ TEMPERATURE SENSOR 9 Voltage Output at 25 °C 650 650 mV typ Voltage TC –2.0 –2.0 mV/ °C typ Accuracy ±3 ±3 °C typ Internal 2.5 V VREF ±1.5 ±1.5 °C typ External 2.5 V VREF DAC CHANNEL SPECIFICATIONS DAC Load to AGND Internal Buffer Enabled RL = 10 k Ω, C L = 100 pF DC ACCURACY 10 Resolution 12 12 Bits Relative Accuracy ±3 ±3LSB typ Differential Nonlinearity 11 –1 –1 LSB max Guaranteed 12-bit Monotonic ±1/2 ±1/2 LSB typ Offset Error ±50 ±50 mV max VREF Range Gain Error ±1 ±1% max AVDD Range ±1 ±1% typ VREF Range Gain Error Mismatch 0.5 0.5 % typ % of Full Scale on DAC1 ANALOG OUTPUTS Voltage Range_0 0 to VREF 0 to VREF V typ DAC VREF = 2.5 V Voltage Range_1 0 to VDD 0 to VDD V typ DAC VREF = VDD Output Impedance 0.5 0.5 Ω typ DAC AC CHARACTERISTICS Voltage Output Settling Time 15 15 µs typ Full-Scale Settling Time to within 1/2 LSB of Final Value Digital-to-Analog Glitch Energy 10 10 nV sec typ 1 LSB Change at Major Carry (AVDD = DVDD = 2.7 V to 3.3 V or 4.5 V to 5.5 V. VREF = 2.5 V Internal Reference, MCLKIN = 16 MHz, all specifications TA = TMIN to TMAX, unless otherwise noted.) SPECIFICATIONS1 ADuC831 |
Similar Part No. - ADUC831_15 |
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Similar Description - ADUC831_15 |
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