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| 型号： | TAS5414ATPHDMQ1G4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 116 W, 4 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封装： | GREEN, PLASTIC, HTQFP-64 |
| 文件页数： | 25/54页 |
| 文件大小： | 1386K |
| 代理商： | TAS5414ATPHDMQ1G4 |
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LoadDump
Protection
29V–50V
OVProtectionRegion23V–29V
OV
Deglitch Time
Oscillator
Start-Up Time
t
0 t1
t
2 t3
Outputs
Pulled
Down
Time
26V
23V
50V
OV
Reset
LD
Reset
PVDD
FAULT
I C
CLK
2
15-VOUTx_P or
OUTx_M(Filtered)
ReadytoGet
OutofHi-Z
State
FaultDoesNotResetUntilFault
Register1IsRead
T0191-01
SLOS535C
– MAY 2009 – REVISED APRIL 2011
Figure 22. Sequence of Events for Supply Transition Back Into Normal Operating Region
Power Shutdown and Restart Sequence Control
The gain ramp of the filtered output signal and the updating of the I2C registers correspond to the MUTE pin
voltage during the ramping process. For the decreasing gain ramp (when transitioning from Play to Mute mode),
the actual decrease in output gain begins when the MUTE pin voltage is approximately 2/3 of the A_BYP
voltage, and the ramp itself completes when the MUTE pin voltage is approximately 1/3 of A_BYP. However, the
I2C register indicating that Mute mode has been entered does not update externally until the MUTE pin voltage is
approximately 1/10 of the A_BYP voltage. Conversely, for the increasing ramp process (when transitioning from
Mute to Play), the actual increase in output gain begins when the MUTE pin voltage is approximately 1/3 of the
A_BYP voltage and the gain increase completes when the MUTE pin voltage is approximately 2/3 of A_BYP. The
I2C register indicating Play mode has been entered updates when the MUTE pin voltage is approximately 9/10 of
the A_BYP voltage. For both gain ramps, the change in MUTE pin voltage begins when the I2C command to
change operating modes is received by the device. The length of time that the MUTE pin takes to complete its
ramp is dictated by the value of the external capacitor on the MUTE pin.
Copyright
2009–2011, Texas Instruments Incorporated
31
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相关代理商/技术参数 |
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|---|---|
| TAS5414ATPHDQ1 | 功能描述:音频放大器 4Ch Auto Dig Amp 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 |
| TAS5414ATPHDQ1G4 | 功能描述:音频放大器 4 Channel Auto Amp 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 |
| TAS5414ATPHDRMQ1 | 功能描述:音频放大器 4Ch Auto Dig Amp 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 |
| TAS5414ATPHDRMQ1G4 | 功能描述:音频放大器 4 Channel Auto Amp 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 |
| TAS5414ATPHDRQ1 | 功能描述:音频放大器 4Ch Auto Dig Amp 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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