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| 型号： | TAS5036APFC |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | GREEN, PLASTIC, TQFP-80 |
| 文件页数： | 18/64页 |
| 文件大小： | 950K |
| 代理商： | TAS5036APFC |
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Architecture Overview
19
SLES061B—November 2002—Revised January 2004
TAS5036A
Attenuation (Gain) dB
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
110
100
90
80
70
60
50
40
30
20
10
0
10
20
Step
Size
dB
STEP SIZE
vs
ATTENUATION (GAIN)
Figure 210. Attenuation Curve
The volume control format for each channel is expressed in 8 bits. The volume for each channel is set by writing
8 bits via the serial control interface. The MSB bit is written first as in the bit position 0 (LSB position).
The volume for each channel can be set using a single- or multiple-address write operation to the volume
control register via the serial control interface. Changing the volume of all six channels requires that 6 registers
be updated.
To coordinate the volume adjustment of multiple channels simultaneously, the TAS5036A performs a delayed
volume update upon receiving a volume change command. Following the completion of the register volume
write operations, the TAS5036A waits for 5 ms for another volume command to be given. If no volume
command is issued in that period of time, the TAS5036A starts adjusting the volume of the channels that
received volume settings.
While a volume update is being performed, the system status register indicates that the update is in progress.
During the update, all subsequent volume control setting requests that are sent to the TAS5036A are received
and stored as a single next value for a subsequent update. If more than one volume setting request is sent,
only the last is retained.
Table 29. Volume Register
VOLUME REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
Vol
Bit 7
Vol
Bit 6
Vol
Bit 5
Vol
Bit 4
Vol
Bit 3
Vol
Bit 2
Vol
Bit 1
Vol
Bit 0
2.3.2 Mute
The application of mute ramps the volume from any setting to the noiseless hard-mute state. There are two
methods in which the TAS5036A can be placed into mute. The TAS5036A is placed in the noiseless mute when
the MUTE terminal is asserted low for a minimum of 3 MCLK_IN cycles. Alternatively, the mute mode can be
initiated by setting the mute bit in the system control register through the serial control interface. The
TAS5036A is held in mute state as long as the terminal is low or I2C mute setting is active. This command uses
quiet entry and exit sequences to and from the hard-mute state.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TAS5036APFCG4 | 功能描述:音频放大器 Digital Audio PWM Processor 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 |
| TAS5036APFCR | 功能描述:音频放大器 Digital Audio PWM Processor 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 |
| TAS5036APFCRG4 | 功能描述:音频放大器 Digital Audio PWM Processor 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 |
| TAS5036B | 制造商:TI 制造商全称:Texas Instruments 功能描述:Six Channel Digital Audio PWM Precessor |
| TAS5036B_06 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Six Channel Digital Audio PWM Processor |
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