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PCM1804DBRG4 数据表(PDF) 19 Page - Texas Instruments

部件名 PCM1804DBRG4
功能描述  FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz STEREO A/D CONVERTER
PDF  39 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

PCM1804DBRG4 数据表(HTML) 19 Page - Texas Instruments

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PCM1804
SLES022C – DECEMBER 2001 – REVISED OCTOBER 2007
Table 1. Oversampling Ratio in Master Mode
OSR2
OSR1
OSR0
OVERSAMPLING RATIO
SYSTEM CLOCK RATE
Low
Low
Low
Single rate (
× 128 f
S)
768 fS
Low
Low
High
Single rate (
× 128 f
S)
512 fS
Low
High
Low
Single rate (
× 128 f
S)
384 fS
Low
High
High
Single rate (
× 128 f
S)
256 fS
High
Low
Low
Dual rate (
× 64 f
S)
384 fS
High
Low
High
Dual rate (
× 64 f
S)
256 fS
High
High
Low
Quad rate (
× 32 f
S)
192 fS
High
High
High
Quad rate (
× 32 f
S)
128 fS
High
Low
Low
DSD mode (
× 64 f
S)
384 fS
High
Low
High
DSD mode (
× 64 f
S)
256 fS
Table 2. Oversampling Ratio in Slave Mode
OSR2
OSR1
OSR0
OVERSAMPLING RATIO
SYSTEM CLOCK RATE
Low
Low
Low
Single rate (
× 128 f
S)
Automatically detected
Low
Low
High
Dual rate (
× 64 f
S)
Automatically detected
Low
High
Low
Quad rate (
× 32 f
S)
(1)
Automatically detected
Low
High
High
Reserved
–
High
Low
Low
Reserved
–
High
Low
High
Reserved
–
High
High
Low
Reserved
–
High
High
High
Reserved
–
(1)
Only at the 128-fS system clock rate
Table 3. Sampling Frequency and System Clock Frequency
SYSTEM CLOCK FREQUENCY (MHz)
SAMPLING
OVERSAMPLING RATIO
FREQUENCY (kHz)
128 fS
192 fS
(1)
256 fS
384 fS
512 fS
768 fS
32
–
–
8.192
12.288
16.384
24.576
Single rate(2)
44.1
–
–
11.2896
16.9344
22.5792
33.8688
48
–
–
12.288
18.432
24.576
36.864
88.2
–
–
22.5792
33.8688
–
–
Dual rate(3)
96
–
–
24.576
36.864
–
–
176.4
22.5792
33.8688
–
–
–
–
Quad rate(4)
192
24.576
36.864
–
–
–
–
DSD mode(3)
44.1
–
–
11. 2896
16.9344
–
–
(1)
Only available in master mode at the quad rate
(2)
Modulator is running at 128 fS.
(3)
Modulator is running at 64 fS.
(4)
Modulator is running at 32 fS.
Copyright © 2001–2007, Texas Instruments Incorporated
Submit Documentation Feedback
19
Product Folder Link(s): PCM1804



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