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ADC0809CCN 参数 Datasheet PDF下载

ADC0809CCN图片预览
型号: ADC0809CCN
PDF下载: 下载PDF文件 查看货源
内容描述: 8通道多路复用8位向上兼容A / D转换器 [8-Bit uP Compatible A/D Converters with 8-Channel Multiplexer]
分类和应用: 转换器模数转换器光电二极管
文件页数/大小: 14 页 / 267 K
品牌: NSC [ NATIONAL SEMICONDUCTOR ]
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ADC0808/ADC0809
Applications Information
(Continued)
DS005672-26
FIGURE 12. Typical Reference and Supply Circuit
DS005672-27
R
A
= R
B
*
Ratiometric transducers
FIGURE 13. Symmetrically Centered Reference
3.0 CONVERTER EQUATIONS
The transition between adjacent codes N and N+1 is given
by:
The output code N for an arbitrary input are the integers
within the range:
(4)
(2)
The center of an output code N is given by:
Where: V
IN
= Voltage at comparator input
V
REF(+)
= Voltage at Ref(+)
V
REF(−)
= Voltage at Ref(−)
V
TUE
= Total unadjusted error voltage (typically
V
REF(+)
÷512)
(3)
11
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