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參數(shù)資料
| 型號： | TS4975 |
| 廠商： | 意法半導體 |
| 英文描述： | Stereo Headphone Drive Amplifier with Digital Volume Control via IC Bus |
| 中文描述： | 立體聲耳機驅動集成電路放大器通過總線與數(shù)字音量控制 |
| 文件頁數(shù)： | 19/33頁 |
| 文件大?。?/td> | 747K |
| 代理商： | TS4975 |
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TS4975
Application Information
19/33
All bytes are sent with MSB bit first. The transfer of written data ends with a “stop” message.
When transmitting several data, the data can be written with no need to repeat the “start”
message and slave address.
The slave address of the TS4975 for reading is CD or CF hex. In order to read data from the
TS4975, after the “start” message, the MCU must send and receive the following data:
send the I2C address slave byte with a high level for the R/W bit
receive the data (control register value)
●
●
All bytes are read with MSB bit first. The transfer of read data is ended with “stop” message.
When transmitting several data, the data can be read with no need to repeat the “start”
message and slave address. In this case the value of control register is read repeatedly.
When thermo shutdown or pop and click reduction is active, specific value is read from the
TS4975 (See
4: Application Information on page 18
).
Figure 58. I2C write operation
Table 10.
Ouput mode selection: G from -34 dB to + 18dB (by steps of 4dB)
(1)
1.
SD = Shutdown Mode
In1 = Audio Input 1
In2= Audio Input2
G = Gain from Audio Input 1and Input 2 to Output1 and Output2
Output Mode #
Headphone Output 1
Headphone Output 2
0
SD
SD
1
G x In1
G x In2
2
G x In2
G x In1
3
G x In1
G x In1
4
G x In2
G x In2
5
SD
G x In1
6
SD
G x In2
7
G x In1
SD
8
G x In2
SD
SDA
S
1
1
0
0
A0
0
A
1
1
D7 D6 D5 D4
D2
D3
D0
D1
A
P
Start condition
SLAVE ADDRESS
CONTROL REGISTERS
R/W
from Slave
from Slave
Stop condition
settings
Mode settings
settings
Acknowledge
Acknowledge
Volume Control
Output
Phantom Ground
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TS4975_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus |
| TS4975EIJT | 功能描述:音頻放大器 Stereo headphone amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS4982IQT | 功能描述:音頻放大器 2W Stereo Audio Amp 125 mW 16 ohm 3 lvl RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS4984 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 1W Stereo audio power amplifier with active low standby mode |
| TS4984EIJT | 功能描述:音頻放大器 2x1.2W stereo audio RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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