参数资料
型号: MC9S12B128MPV16
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP112
封装: LQFP-112
文件页数: 130/132页
文件大小: 1842K
代理商: MC9S12B128MPV16
Device User Guide —9S12B128DGV1/D V01.13
97
A.2.4.2 3.3V Range
Table A-14 specifies the ATD conversion performance excluding any errors due to current injection,
input capacitance and source resistance.
A.2.4.3 ATD Accuracy Definitions
For the following definitions see also Figure A-1.
Differential Non-Linearity (DNL) is defined as the difference between two adjacent switching steps.
The Integral Non-Linearity (INL) is defined as the sum of all DNLs:
Table A-14 ATD Conversion Performance In 3.3V Range
Conditions are shown in Table A-4 unless otherwise noted
VREF = VRH - VRL = 3.328V. Resulting to one 8 bit count = 13mV and one 10 bit count = 3.25mV
fATDCLK = 2.0MHz
Supply Voltage 3.3V-10% <= VDDA <= 3.3V+10%
Num C
Rating
Symbol
Min
Typ
Max
Unit
1
P 10-Bit Resolution
LSB
3.25
mV
2
P 10-Bit Differential Nonlinearity
DNL
–1.5
1.5
Counts
3
P 10-Bit Integral Nonlinearity
INL
–3.5
±1.5
3.5
Counts
4P 10-Bit Absolute Error1
NOTES:
1. These values include the quantization error which is inherently 1/2 count for any A/D converter.
AE
-5
±2.5
5
Counts
5
P 8-Bit Resolution
LSB
13
mV
6
P 8-Bit Differential Nonlinearity
DNL
–0.5
0.5
Counts
7
P 8-Bit Integral Nonlinearity
INL
–1.5
±1.0
1.5
Counts
8P 8-Bit Absolute Error1
AE
-2.0
±1.5
2.0
Counts
DNL i
()
V
i
V
i1
1LSB
------------------------
1
=
INL n
()
DNL i
()
i1
=
n
V
n
V
0
1LSB
--------------------
n
==
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