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参数资料
| 型号： | TDA7444 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封装： | DIP-28 |
| 文件页数： | 16/18页 |
| 文件大小： | 211K |
| 代理商： | TDA7444 |
LR, the Left/Right word selection.
SDIN, the input data (right and left) at the fre-
quency of SCLK.
SDOUT, the output data (right, left) at the fre-
quency of SCLK.
In master mode, the serial clock is generated in-
ternally, the signals LR and SCLK are in output,
the master clock MCLK is also an output.
In slave mode, the serial clock must be delivered
from the external, the signals LR and SCLK are
inputs and is mandatory to exchange digital data,
the master clock MCLK is also an input, this sig-
nal is required only if the analog interface is used.
The first word is always a left one, i.e. the left and
right samples are computed after the reception of
the last bit of the right sample.
CONTROL INTERFACE
The control interface is composed of a 2 lines se-
rial bus, one for the clock SCL and one for the
data SDA; the SDA line must be connected to the
VDD via a pull-up resistor.
SCLK
LSB MSB
LR
SDIN/
SDOUT
SCLK
LSB
MSB
LR
SDIN/
SDOUT
LEFT
RIGHT
LEFT
RIGHT
MSB first 32 fs
MSB first 64 fs
SCLK
LSB MSB
LR
SDIN/
SDOUT
SCLK
LSB
MSB
LR
SDIN/
SDOUT
LEFT
RIGHT
LEFT
RIGHT
LSB first 32 fs
LSB first 64 fs
D98AU893B
Figure 3. Serial formats.
SCL
SDA
SCL
SDA
start
SCL
SDA
stop
D98AU933
SCL
SDA
BIT 0
BIT 1
ACK
Figure 4. Control interface
TDA7444 - TDA7444D
7/18
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| TDA7448 | 功能描述:音频放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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| TDA744813TR | 功能描述:音频放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7448-EVB | 功能描述:音频 IC 开发工具 Eval Brd for TDA7448 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TDA7449 | 功能描述:音频 DSP Tone Control Digital RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
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