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ADUC814ARU Datasheet(PDF) 4 Page - Analog Devices

Part # ADUC814ARU
Description  MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADUC814ARU Datasheet(HTML) 4 Page - Analog Devices

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ADuC814
Rev. A | Page 4 of 72
SPECIFICATIONS
Table 1. AVDD = DVDD = 2.7 V to 3.3 V or 4.5 V to 5.5 V, VREF = 2.5 V internal reference, XTAL1/XTAL2 = 32.768 kHz crystal. All
specifications TMIN to TMAX, unless otherwise specified1
Parameter
VDD = 5 V
VDD = 3 V
Unit
Test Conditions
ADC CHANNEL SPECIFICATIONS
A GRADE
DC ACCURACY2,3
fSAMPLE = 147 kHz
Resolution
12
12
Bits
Integral Nonlinearity
2
2
LSB max
2.5 V internal reference
1
1
LSB typ
2.5
2.5
LSB typ
1.0 V external reference
Differential Nonlinearity
4
4
LSB max
2.5 V internal reference
2
2
LSB typ
5
5
LSB typ
1.0 V external reference
CALIBRATED ENDPOINT ERRORS4, 5
Offset Error
5
5
LSB max
Offset Error Match
1
1
LSB typ
Gain Error
5
5
LSB max
Gain Error Match
1
1
LSB typ
DYNAMIC PERFORMANCE6
fIN = 10 kHz sine wave
fSAMPLE = 147 kHz
Signal to Noise Ratio (SNR)7
62.5
62.5
dB typ
Total Harmonic Distortion (THD)
–65
–65
dB typ
Peak Harmonic or Spurious Noise
–65
–65
dB typ
Channel-to-Channel Crosstalk8
–80
–80
dB typ
B GRADE
DC ACCURACY2, 3
fSAMPLE = 147 kHz
Resolution
12
12
Bits
Integral Nonlinearity
1
1
LSB max
2.5 V internal reference
0.3
0.3
LSB typ
1.5
1.5
LSB max
1.0 V external reference11
Differential Nonlinearity
0.9
0.9
LSB max
2.5 V internal reference
0.25
0.25
LSB typ
+1.5/–0.9
1.5/–0.9
LSB max
1.0 V external reference11
Code Distribution
1
1
LSB typ
ADC input is a dc voltage
CALIBRATED ENDPOINT ERRORS4, 5
Offset Error
2
3
LSB max
Offset Error Match
1
1
LSB typ
Gain Error
2
3
LSB max
Gain Error Match
1
1
LSB typ
DYNAMIC PERFORMANCE6
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 Crosstalk8
–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


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