參數(shù)資料
型號(hào)： TAS5028APAG
廠商： Texas Instruments, Inc.
英文描述： 8 Channel Digital Audio PWM Processor
中文描述： 8通道數(shù)字音頻PWM處理器
文件頁(yè)數(shù)： 35/82頁(yè)
文件大?。?/td> 1226K
代理商： TAS5028APAG
TAS5028A Controls and Status
28
SLES112 — June 2004
TAS5028A
Table 2
4. Device Outputs During Backend Error
SIGNAL
Valid
PWM P-outputs
PWM M-outputs
HPPWM P-outputs
HPPWM M-outputs
SDA
SIGNAL STATE
Low
M-State
low
M-State
low
M-State
low
M-State
low
Signal Input (not driven)
2.2.4 Speaker / Headphone Selector (HP_SEL)
The HP_SEL terminal enables the headphone output or the speaker outputs. The headphone output receives
the processed data output from DAP and PWM channels 1 and 2.
In 6-channel configuration this feature does not affect the two lineout channels.
When low, the headphone output is enabled. In this mode the speaker outputs are disabled. When high, the
speaker outputs are enabled and the headphone is disabled.
Changes in the pin logic level results in a state change sequence using soft mute to the hard mute (M) state
for both speaker and headphone followed by a soft unmute.
When HP_SEL is low, the configuration of channels 1 and 2 are defined by the headphone configuration
register. When HP_SEL is high, the channel 1 and 2 configuration registers define the configuration of
channels 1 and 2.
2.2.5 Mute (MUTE)
The mute control provides a noiseless volume ramp to silence. Releasing mute provides a noiseless ramp
to previous volume. The TAS55508 has both a master and individual channel mute commands. A terminal
is also provided for the master MUTE. The low active master Mute I
2
C register and the MUTE terminal are
logically Or’ed together. If either is set to low, a mute on all channels is performed. The master mute command
operates on all channels regardless on whether the system is in six or eight channel configuration.
When MUTE is invoked, the PWM output stops switching and then goes to an idle state.
The master Mute terminal is used to support a variety of other operations in the TAS5028A, such as setting
the inter-channel delay, the serial interface format, and the clock rates. A mute command by the master mute
terminal, individual I
2
C mute, the AM interference mute sequence, the bank switch mute sequence, or
automute overrides an unmute command or a volume command. While a mute is active, the commanded
channels will be placed in a mute state. When a channel is unmuted, it goes to the last commanded volume
setting that has been received for that channel.
Device Configuration Controls
2.3
The TAS5028A provides a number of system configuration controls that are set at initialization and following
a reset.
Channel configuration
Headphone configuration
Audio system configurations
Recovery from clock error
Volume and mute update rate
Modulation index limit
Inter-channel delay
Master clock and data rate controls
Bank controls
相關(guān)PDF資料
PDF描述
TAS5028APAGG4 8 Channel Digital Audio PWM Processor
TAS5028APAGR 8 Channel Digital Audio PWM Processor
TAS5028APAGRG4 8 Channel Digital Audio PWM Processor
TAS5028PAGR 8 Channel Digital Audio PWM Processor
TAS5028PAGRG4 8 Channel Digital Audio PWM Processor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5028APAGG4 功能描述:音頻放大器 8Ch Dig Aud PWM Proc RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TAS5028APAGR 功能描述:音頻放大器 8Ch Dig Aud PWM Proc RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TAS5028APAGRG4 功能描述:音頻放大器 8Ch Dig Aud PWM Proc RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TAS5028PAG 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5028PAGG4 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
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