參數(shù)資料
型號: PCM3003EG4
元件分類: Codec
英文描述: 16/20-BIT SINGLE-ENDED ANALOG INPUT/OUTPUT STEREO AUDIO CODECS
中文描述: 16/20-BIT單端模擬輸入/輸出立體聲編解碼器
文件頁數(shù): 19/39頁
文件大?。?/td> 515K
代理商: PCM3003EG4
www.ti.com
30 k
V
IN
R
V
COM
3
21
5
Delta-Sigma
Modulator
(+)
V
REF
V
REF
2
+
1.0
μ
F
4.7
μ
F
+
+
()
+
S0011-03
V
REF
1
4
4.7
μ
F
+
4.7
μ
F
+
PCM AUDIO INTERFACE
The four-wire digital audio interface for the PCM3002/3003 comprises LRCIN (pin 10), BCKIN (pin 11), DIN
(pin 15), and DOUT (pin 12). The PCM3002 can be used with any of the four input/output data formats (formats
0–3), while the PCM3003 can only be used with selected input/output formats (formats 0–1). For the PCM3002,
these formats are selected through program register 3 in the software mode. For the PCM3003, data formats are
selected by the 20BIT input (pin 16). Figure 41, Figure 42, and Figure 43 illustrate audio data input/output
formats and timing.
PCM3002
PCM3003
SBAS079A–OCTOBER 2000–REVISED OCTOBER 2004
Figure 40. Analog Front-End (Single-Channel)
The PCM3002/3003 can accept 32, 48, or 64 bit clocks (BCKIN) in one clock of LRCIN. Only the 16-bit data
format can be selected when 32-bit clocks/LRCIN are applied.
19
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