CS5361/CS5381 Compatibility
●Analog Input Buffer Introduction
■There are many considerations that must be taken into account when designing and implementing an analog input buffer. These include negligible noise contribution, input biasing, isolation from switched capacitor currents, maintaining a low output impedance so as not to cause distortion, and providing antialias filtering appropriate for the modulator sample rate.
●Capacitor Requirements for FILT+ (pin 24) Introduction
■The CS5361 and CS5381 utilize a positive reference voltage for the internal sampling circuits. This reference pin, called FILT+ (pin 24), requires external capacitors for decoupling purposes. The size of the decoupling capacitor will affect the low frequency (<200 Hz) distortion performance of the converter. The larger the capacitor, the better the low frequency distortion performance.
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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MAY '03 |
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REV1 |
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AB239 |
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519 KB |
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