參數(shù)資料
型號(hào)： SRC4184
英文描述： 4-Channel, Asynchronous Sample Rate Converter
中文描述： 4通道，異步采樣率轉(zhuǎn)換器
文件頁數(shù)： 24/40頁
文件大小： 508K
代理商： SRC4184
"#$%#
SBFS026A JUNE 2004 REVISED JULY 2004
www.ti.com
24
OUTPUT PORT OPERATION
The audio output port is a four-wire synchronous serial
interface that may operate in either Slave or Master mode.
SDOUTA (pin 64) and SDOUTB (pin 49) are the serial
audio data outputs for SRC A and SRC B, respectively.
Audio data is output at these pins in one of four data
formats: Philips I
2
S, Left-Justified, Right-Justified, or
TDM. The audio data word length may be 16-, 18-, 20-, or
24-bits. For all word lengths, the data is triangular PDF
dithered from the internal 28-bit data path. The data
formats (with the exception of TDM mode) are shown in
Figure 7, while critical timing parameters are shown in
Figure 6 and listed in the Electrical Characteristics table.
The TDM format and timing are shown in Figure 15 and
Figure 16, respectively, while examples of standard TDM
configurations are shown in Figure 17 and Figure 18.
The bit clock is either input or output at BCKOA (pin 63)
and BCKOB (pin 50). In Slave mode, the bit clock is
configured as an input pin, and may operate at rates from
32f
s
to 128f
s
, with a minimum of one clock cycle for each
data bit. The exception is the TDM mode, where the BCKO
must operate at N
×
64f
s
, where N is equal to the number
of SRC sections cascaded on the TDM bus. In Master
mode, the bit clock operates at a fixed rate of 64f
s
for all
data formats except TDM, where BCKO operates at the
reference clock frequency.
regarding TDM mode operation is included in the
Applications Information
section of this data sheet.
Additional information
t
SOH
t
DOPD
t
SOL
t
DOH
LRCKO
BCKO
SDOUT
Figure 6. Output Port Timing
Left Channel
(a) LeftJustified Data Format
(b) RightJustified Data Format
Right Channel
LRCKO
BCKO
SDOUT
MSB
LSB
LSB
MSB
LRCKO
BCKO
SDOUT
MSB
MSB
LSB
LSB
(c) I
2
S Data Format
1/f
S
LRCKO
BCKO
SDOUT
MSB
LSB
MSB
LSB
Figure 7. Output Data Formats
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SRC4184IPAG 功能描述:音頻采樣頻率轉(zhuǎn)換器 4Ch A Synch Smpl Rate Cnvrtr RoHS:否 制造商:Texas Instruments THD + 噪聲:- 140 dB 接口:I2C, SPI 工作電源電壓:1.65 V to 2 V / 3 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:TQFP-48 安裝風(fēng)格:SMD/SMT
SRC4184IPAGG4 功能描述:音頻采樣頻率轉(zhuǎn)換器 4-Ch Asynch Sample Rate Converter RoHS:否 制造商:Texas Instruments THD + 噪聲:- 140 dB 接口:I2C, SPI 工作電源電壓:1.65 V to 2 V / 3 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:TQFP-48 安裝風(fēng)格:SMD/SMT
SRC4184IPAGR 功能描述:音頻采樣頻率轉(zhuǎn)換器 4-Ch Asynch Sample Rate Converter RoHS:否 制造商:Texas Instruments THD + 噪聲:- 140 dB 接口:I2C, SPI 工作電源電壓:1.65 V to 2 V / 3 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:TQFP-48 安裝風(fēng)格:SMD/SMT
SRC4184IPAGRG4 功能描述:音頻采樣頻率轉(zhuǎn)換器 4-Ch Asynch Sample Rate Converter RoHS:否 制造商:Texas Instruments THD + 噪聲:- 140 dB 接口:I2C, SPI 工作電源電壓:1.65 V to 2 V / 3 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:TQFP-48 安裝風(fēng)格:SMD/SMT
SRC4184IPAGT 功能描述:音頻采樣頻率轉(zhuǎn)換器 4-Ch Asynch Sample Rate Converter RoHS:否 制造商:Texas Instruments THD + 噪聲:- 140 dB 接口:I2C, SPI 工作電源電壓:1.65 V to 2 V / 3 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:TQFP-48 安裝風(fēng)格:SMD/SMT
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