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Partname:AD1893JNZ
Description:Low Cost SamplePort 16-Bit ASRC
Manufacturer:Analog Devices
Pins:28
Datasheet:PDF (216K).
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The AD1893 SamplePort is a fully digital, stereo Asynchronous Sample Rate Converter (ASRC) that solves sample rate interfacing and compatibility problems in digital audio equipment. Conceptually, this converter interpolates the input data up to a very high internal sample rate with a time resolution of 300 ps, then decimates down to the desired output sample rate. The AD1893 is intended for 16-bit low cost, non-varispeed applications where low voltage, low power (i.e., battery-powered) operation is required. Refer to the AD1890/AD1891 data sheet for other products in the SamplePort family. This device is asynchronous because the frequency and phase relationships between the input and output sample clocks (both are inputs to the AD1893 ASRC) are arbitrary and need not be related by a simple integer ratio. There is no need to explicitly select or program the input and output sample clock frequencies, as the AD1893 automatically senses the relationship between the two clocks. The input and output sample clock frequencies can nominally range from 8 kHz to 56 kHz, and the ratio between them can vary from approximately 1:2 to 2:1. SamplePort is a registered trademark of Analog Devices, Inc.

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Click here to download AD1893JNZ Datasheet
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