CXD2555 查看數據表（PDF） - Intersil

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CXD2555

1-Bit, AD/DA Converter For Audio Application

Intersil 

-

VIN

+

10µF 10µF RIN

100K

CXD2555Q

AIN

FIGURE 39.

TABLE 5.

XSL2

H

H

H

H

NOTE:

XSL1

L

L

H

H

XSL0

L

H

L

H

CRYSTAL OSCILLATOR

FREQUENCY (NOTE 16)

512fS

1024fS

1024fS

2048fS

XCLK

512fS

1024fS

512fS

1024fS

UCLK

256fS

512fS

512fS

1024fS

FREQUENCY DIVISION

RATIO RELATIVE TO

NORMAL fS FREQUENCY

1/2

1/4

1/2

1/4

EXAMPLE OF 32kHz

NORMAL FREQUENCY

fS = 16kHz

fS = 8kHz

fS = 16kHz

fS = 8kHz

16. When the normal frequency is assumed to be 32kHz, its derived frequency is 16kHz when divided by 2, or 8kHz when divided by 4. When

divided in the same way, the low-fS frequencies for 44.1kHz are 22.05kHz and 11.025kHz, and for 48kHz, they are 24kHz and 12kHz.

4-309

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