參數(shù)資料
型號: PCM3008T2K
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: LOW POWER AND LOW VOLTAGE 16-BIT, SINGLE-ENDED ANALOG INPUT/OUTPUT STEREO AUDIO CODEC
中文描述: 低功率及低電壓的16位單端模擬輸入/輸出立體聲音頻編解碼
文件頁數(shù): 9/27頁
文件大?。?/td> 424K
代理商: PCM3008T2K
PCM3008
SLAS332
APRIL 2001
9
www.ti.com
PCM audio interface
Digital audio data is interfaced to the PCM3008 on LRCK (pin 10), BCK (pin 12), DIN (pin 9), and DOUT (pin
8). PCM3008 can accept 16-bit standard format, right-justified 16 bit for DAC and left-justified 16 bit for ADC.
PCM3008 accepts 3 types of BCK and LRCK combination, with 64, 48 or 32 clocks of BCK in one clock of LRCK.
The following figures illustrate audio data input/output format and timing.
Ready
1
1024 1025
1
1024 1025
ZERO
tRSTB
1024 SYSCK
1024 SYSCK
After
Ready
After
Ready
Reset
Reset
Reset
Release
Reset
Release
tADCDLY1
tADCDLY1
tDACDLY1
tDACDLY1
tDACDLY1
VCOM (0.5 VDD)
2.1 V
VCC
0 V
SYSCK
PDAD
PDDA
Internal
Reset
ADC
DOUT
DAC
VO
SYMBOL
DEFINITION
MIN
TYP
MAX
UNIT
tRSTB
tADCDLY1
tDACDLY1
PDAD = LOW and PDDA = LOW pulse width
40
ns
Initial delay time
2240/fs
2080/fs
s
Fade in, fade out time
s
Figure 3. Power-On Reset Timing
LRCK
BCK
DIN
MSB
LSB
MSB
LSB
BCK
LRCK
Right-Channel
DOUT
MSB
LSB
MSB
LSB
16
1
2
3
14 15 16
1
2
3
14 15 16
14 15 16
1
2
3
14 15 16
1
2
3
1
DAC: 16-Bit, MSB-First, Right-Justified
ADC: 16-Bit, MSB-First, Left-Justified
Right-Channel
Left-Channel
Left-Channel
Figure 4. Audio Data Input/Output Format
相關PDF資料
PDF描述
PCM4108PAPR HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER
PCM4108PAPT HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER
PCM4108 HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER
PCM4108CPAPR HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER
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