參數(shù)資料
型號(hào): ADUC814
廠商: Analog Devices, Inc.
英文描述: MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU
中文描述: MicroConverter的,小包裝12位ADC,嵌入式閃存MCU
文件頁(yè)數(shù): 4/72頁(yè)
文件大?。?/td> 846K
代理商: ADUC814
ADuC814
SPECIFICATIONS
Table 1. AV
DD
= DV
DD
= 2.7 V to 3.3 V or 4.5 V to 5.5 V, V
REF
= 2.5 V internal reference, XTAL1/XTAL2 = 32.768 kHz crystal. All
specifications T
MIN
to T
MAX
, unless otherwise specified
1
Parameter
V
DD
= 5 V
V
DD
= 3 V
ADC CHANNEL SPECIFICATIONS
A GRADE
DC ACCURACY
2,3
Resolution
12
12
Integral Nonlinearity
2
2
1
1
2.5
2.5
Differential Nonlinearity
4
4
2
2
5
5
CALIBRATED ENDPOINT ERRORS
4, 5
Offset Error
5
5
Offset Error Match
1
1
Gain Error
5
5
Gain Error Match
1
1
DYNAMIC PERFORMANCE
6
Signal to Noise Ratio (SNR)
7
62.5
62.5
Total Harmonic Distortion (THD)
–65
–65
Peak Harmonic or Spurious Noise
–65
–65
Channel-to-Channel Crosstalk
8
–80
–80
B GRADE
DC ACCURACY
2, 3
Resolution
12
12
Integral Nonlinearity
1
1
0.3
0.3
1.5
1.5
Differential Nonlinearity
0.9
0.9
0.25
0.25
+1.5/–0.9
1.5/–0.9
Code Distribution
1
1
CALIBRATED ENDPOINT ERRORS
4, 5
Offset Error
2
3
Offset Error Match
1
1
Gain Error
2
3
Gain Error Match
1
1
DYNAMIC PERFORMANCE
6
Signal to Noise Ratio (SNR)
7
71
71
Total Harmonic Distortion (THD)
–85
–85
Peak Harmonic or Spurious Noise
–85
–85
Channel-to-Channel Crosstalk
8
–80
–80
ANALOG INPUT
Input Voltage Ranges
0 to V
REF
0 to V
REF
Leakage Current
1
1
Input Capacitance
32
32
Rev. A | Page 4 of 72
Unit
Test Conditions
Bits
LSB max
LSB typ
LSB typ
LSB max
LSB typ
LSB typ
LSB max
LSB typ
LSB max
LSB typ
dB typ
dB typ
dB typ
dB typ
f
SAMPLE
= 147 kHz
2.5 V internal reference
1.0 V external reference
2.5 V internal reference
1.0 V external reference
f
IN
= 10 kHz sine wave
f
SAMPLE
= 147 kHz
Bits
LSB max
LSB typ
LSB max
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
dB typ
dB typ
dB typ
dB typ
V
μA max
pF typ
f
SAMPLE
= 147 kHz
2.5 V internal reference
1.0 V external reference
11
2.5 V internal reference
1.0 V external reference
11
ADC input is a dc voltage
f
IN
= 10 kHz sine wave
f
SAMPLE
= 147 kHz
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