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ADUC7039 Datasheet(PDF) 3 Page - Analog Devices |
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ADUC7039 Datasheet(HTML) 3 Page - Analog Devices |
3 / 88 page ADuC7039 Rev. 0 | Page 3 of 88 SPECIFICATIONS ELECTRICAL SPECIFICATIONS VDD = 3.5 V to 18 V, VREF= 1.2 V internal reference, fCORE = 20.48 MHz driven from on-chip precision oscillator, all specifications TA = −40°C to +115°C, unless otherwise noted. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit ADC SPECIFICATIONS Conversion Rate1 ADC normal operating mode 10 1000 Hz ADC low power mode, chop on 10 650 Hz Current Channel No Missing Codes1 Valid for all ADC update rates and ADC modes 16 Bits Integral Nonlinearity1, 2 ±10 ±60 ppm of FSR Offset Error1, 2, 3 Chop off, external short, after user system calibration, 1 LSB = (36.6/gain) μV −10 ±3 +10 LSB Offset Error1, 3 Chop on, external short, low power mode, MCU powered down +250 ±50 −300 nV Offset Error1, 3 Chop on, external short, after user system calibration Tested at CD = 0, VDD = 18 V 0 3.0 μV Offset Error1, 3 Chop on, external short, after user system calibration Tested at CD = 0, VDD = 4 V ±0.5 μV Offset Error Drift1, 2, 4 Chop off, gains of 8 to 64, normal mode ±0.03 LSB/°C Offset Error Drift1, 4 Chop off, valid for ADC gain of 512 ±30 nV/°C Offset Error Drift1, 4 Chop on ±5 nV/°C Total Gain Error1, 3, 5, 6 Factory calibrated at a gain of 4; normal mode −0.5 ±0.1 +0.5 % Low power mode −1 ±0.2 +1 % Gain Drift1, 7 ±3 ppm/°C PGA Gain Mismatch Error ±0.1 % Output Noise1 10 Hz update rate, gain = 512, chop enabled 100 150 nV rms 1 kHz update rate, gain = 512, ADCFLT = 0x0007 0.6 0.9 μV rms 1 kHz update rate, gain = 32, ADCFLT = 0x0007 0.8 1.2 μV rms 1 kHz update rate, gain = 8, ADCFLT = 0x8101 2.1 4.1 μV rms 1 kHz update rate, gain = 8, ADCFLT = 0x0007 1.6 2.4 μV rms 1 kHz update rate, gain = 4, ADCFLT = 0x0007 2.6 3.9 μV rms ADC low power mode, 250Hz update rate, chop enable, gain = 512 0.6 0.9 μV rms Voltage Channel8 No Missing Codes1 Valid at all ADC update rates 16 Bits Integral Nonlinearity1 ±10 ±60 ppm of FSR Offset Error1, 3 Chop off, 1 LSB = 439.5 μV, after two point calibration −10 ±1 +10 LSB Offset Error1, 3 Chop on, after two point calibration −1 ±0.3 +1 LSB Offset Error Drift4 Chop off ±0.03 LSB/°C Total Gain Error1, 3, 5, 6 Includes resistor mismatch −0.25 ±0.06 +0.25 % Total Gain Error1, 3, 5, 6 Temperature range = −25°C to +65°C −0.15 ±0.03 +0.15 % Gain Drift1, 7 Includes resistor mismatch drift ±3 ppm/°C Output Noise1, 9 10 Hz update rate, chop on 60 90 μV rms 1 kHz update rate, ADCFLT = 0x0007 180 270 μV rms Temperature Channel No Missing Codes1 Valid at all ADC update rates 16 Bits Integral Nonlinearity1 ±10 ±60 ppm of FSR Offset Error3, 10 Chop off, 1 LSB = 19.84 μV (in unipolar mode) −10 ±3 +10 LSB Offset Error1, 3 Chop on −5 +1 +5 LSB Offset Error Drift1 Chop off 0.03 LSB/°C Total Gain Error1, 3, 10 VREF = (REG_AVDD, GND_SW)/2 −0.25 ±0.06 +0.25 % Gain Drift1 3 ppm/°C Output Noise1 1 kHz update rate 7.5 11.25 μV rms |
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Similar Description - ADUC7039 |
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