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參數資料
| 型號： | TS4975EIJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA12 |
| 封裝： | LEAD FREE, FLIP CHIP, 12 PIN |
| 文件頁數： | 16/36頁 |
| 文件大小： | 870K |
| 代理商： | TS4975EIJT |
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TS4975
Application Information
23/36
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 addressing byte with the slave address.
In order to read data from the TS4975, after the “start” message, the MCU must send and
receive the following data:
●
send byte with the IC 7-bit slave address and 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 the byte with slave address. In this case the value of control register is read
repeatedly.
When the thermo shutdown or pop and click reduction is active, specific values are read from
the TS4975 (see
Section 4.9: Pop and click performance on page 31 and Section 4.10: Thermo
shutdown on page 32).
Figure 59. IC write/read operations
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
0SD
SD
1
G x In1
G x In2
2
G x In2
G x In1
3
G x In1
4
G x In2
5SD
G x In1
6SD
G x In2
7
G x In1
SD
8
G x In2
SD
SDA
S1
1
0
A0
0
A
1
D7 D6 D5 D4
D2
D3
D0
D1
A
P
Start condition
SLAVE ADDRESS
CONTROL REGISTERS
R/W
Acknowledge
from Slave
Acknowledge
from Slave
Stop condition
Volume Control
settings
Output
Mode settings
Phantom Ground
settings
SDA
S1
1
0
A0
0
A
1
D7 D6 D5 D4
D2
D3
D0
D1
A
P
S1
1
0
A0
0
A
1
D7 D6 D5 D4
D2
D3
D0
D1
A
P
Start condition
SLAVE ADDRESS
CONTROL REGISTERS
R/W
Acknowledge
from Slave
Acknowledge
from Slave
Stop condition
Volume Control
settings
Output
Mode settings
Phantom Ground
settings
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| TS4982IQT | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC32 |
| TS4984EIJT | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15 |
| TS4984EIKJT | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15 |
| TS4984EKIJT | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15 |
| TS4984IQT | 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| TS4984EIKJT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
| TS4984FC | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
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