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參數資料
| 型號： | ISO807 |
| 文件頁數： | 11/12頁 |
| 文件大小： | 199K |
| 代理商： | ISO807 |
11
ISO807
SIGNAL CONDITIONING
The FET switches used for the sample hold on many CMOS
A/D converters release a significant amount of charge injec-
tion which can cause the driving op amp to oscillate. The
amount of charge injection due to the sampling FET switch
on the ISO807 is approximately 5-10% of the amount on
similar ADCs with the charge redistribution DAC (CDAC)
architecture. There is also a resistive front end which attenu-
ates any charge which is released. The end result is a
FIGURE 4. Typical Transfer Functions With and Without External Resistors.
Digital Output
(b) Unipolar
–Full Scale
+Full Scale
Analog Input
Digital Output
(a) Bipolar
–Full Scale
+Full Scale
Analog Input
Typical Transfer Functions
With External Resistors
Typical Transfer Functions
Without External Resistors
minimal requirement for the drive capability on the signal
conditioning preceding the A/D. Any op amp sufficient for
the signal in an application will be sufficient to drive the
ISO807.
The resistive front end of the ISO807 also provides a
guaranteed
±
25V overvoltage protection. In most cases, this
eliminates the need for external over voltage protection
circuitry.
相關PDF資料 |
PDF描述 |
|---|---|
| ISO807 | Isolated 16-Bit Sampling Analog-To-Digital Converter(隔離的16位采樣A\D轉換器) |
| ISO808 | Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO808P | Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO809 | Isolated 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO809P | Isolated 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISO807P | 制造商:BB 制造商全稱:BB 功能描述:Isolated 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO808 | 制造商:BB 制造商全稱:BB 功能描述:Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO808P | 制造商:BB 制造商全稱:BB 功能描述:Isolated 12-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO809 | 制造商:BB 制造商全稱:BB 功能描述:Isolated 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
| ISO809P | 制造商:BB 制造商全稱:BB 功能描述:Isolated 16-Bit Sampling ANALOG-TO-DIGITAL CONVERTER |
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