參數(shù)資料
型號: DSD1792
元件分類: DAC
英文描述: 24 bit 192 khz SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
中文描述: 24位192千赫采樣高級分段音頻立體聲數(shù)模轉換器
文件頁數(shù): 35/56頁
文件大?。?/td> 497K
代理商: DSD1792
SLES067A MARCH 2003 REVISED AUGUST 2003
www.ti.com
35
MSB
LSB
16
BCK
DATA
1/4 fS or 1/8 fS
DATA
DATA
WDCK
Audio Data Word = 16-Bit
Audio Data Word = 20-Bit
Audio Data Word = 24-Bit
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
16
15
MSB
LSB
16
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
20
19
20
17 18 19
MSB
LSB
16
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
24
23
20
17 18 19
24
21 22 23
Figure 38. Audio Data Input Format for External Digital Filter (Internal DF Bypass Mode) Application
DATA
t(BCH)
50% of VDD
BCK
WDCK
(LRCK)
t(BCL)
t(LB)
t(BCY)
t(DS)
t(DH)
50% of VDD
50% of VDD
t(BL)
PARAMETER
MIN
20
MAX
UNITS
ns
t(BCY)
t(BCL)
t(BCH)
t(BL)
t(LB)
t(DS)
t(DH)
BCK pulse cycle time
BCK pulse duration, LOW
7
ns
BCK pulse duration, HIGH
7
ns
BCK rising edge to WDCK falling edge
5
ns
WDCK falling edge to BCK rising edge
5
ns
DATA setup time
5
ns
DATA hold time
5
ns
Figure 39. Audio Interface Timing for External Digital Filter (Internal DF Bypass Mode) Application
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