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参数资料
| 型号： | MSM66509-XXXGS-BK |
| 厂商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 32 MHz, MICROCONTROLLER, PQFP128 |
| 封装： | 28 X 28 MM, 0.80 MM PITCH, PLASTIC, QFP-128 |
| 文件页数： | 16/24页 |
| 文件大小： | 284K |
| 代理商： | MSM66509-XXXGS-BK |
23/24
Semiconductor
MSM66509/66P509
Definitions of Terms
Resolution
The minimum distinguishable analog value. For 10 bits, 210=1024, i.e. (VREF–AGND) ÷ 1024.
Linearity error
The variance between the ideal conversion characteristics as a 10-bit A/D converter and the
actual conversion characteristics. (Quantized error is therefore not included.)
In the ideal conversion, a voltage between VREF and AGND is divided into 1,024 equal steps.
Differential linearity error
The smoothness of the conversion. The width of analog input voltage corresponding to the
change by one bit of digital output is 1 LSB=(VREF–AGND) ÷ 1024 ideally. The variance
between this ideal bit size and bit size at arbitrary point in the conversion range.
Zero scale error
The variance between the ideal conversion characteristics at the switching point of digital
output "000H to 001H" and actual conversion characteristics.
Full scale error
The variance between the ideal conversion characteristics at the switching point of digital
output "3FEH to 3FFH" and actual conversion characteristics.
AI0
Crosstalk is defined as the
difference between the A/D
conversion result when ap-
plying the identical analog
input to AI0 to AI15 and the A/D
conversion result in the circuit
in the left figure.
AI1
AI15
0.1F
5kW
–
+
Analog input
VREF or AGND
Figure 2 Crosstalk Measuring Circuit
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