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)： 29/82頁(yè)
文件大小： 1226K
代理商： TAS5028APAG
Introduction
21
SLES112 — June 2004
TAS5028A
Output
Gain Coefficient
28
48
Select
Output
N
Gain Coefficient
28
48
48
48
Output
Gain Coefficient
28
48
Gain Coefficient
28
48
48
48
Gain Coefficient
28
48
48
1, 2, 3, 4, 7 or 8
5 or 6
Select
Output
N
Select
Output
N
Select
Output
N
Select
Output
N
Figure 1
16. Output Mixers
1.10 PWM
The TAS5028A has eight channels of high performance digital PWM Modulators that are designed to drive
switching output stages (backends) in both single-ended (SE) and H-bridge (bridge tied load) configuration.
The TAS5028A device uses noise-shaping and sophisticated error correction algorithms to achieve high
power efficiency and high-performance digital audio reproduction. The TAS5028A uses an AD1 PWM
modulation combined with a 5
th
order noise shaper to provide a 102-dB SNR from 20 to 20 kHz.
The PWM section accepts 32-bit PCM data from the DAP and outputs eight PWM audio output channels
configurable as either:
Six channels to drive power stages + two channels to drive a differential input active filter to provide a
separately controllable stereo line out
Eight channels to drive power stages
The TAS5028A PWM section output supports both single-ended and bridge-tied loads.
The PWM section provides a headphone PWM output to drive an external differential amplifier like the
TPA112. The headphone circuit uses the PWM modulator for channels 1 and 2. The headphone will not
operate while the six or eight backend drive channels are operating. The headphone will be enabled via a
headphone select terminal or I
2
C command.
The PWM section has individual channel dc blocking filters that can be enabled and disabled. The filter cutoff
frequency is less than 1 Hz.
The PWM section has individual channel de-emphasis filters for 32, 44.1, and 48 kHz that can be enabled and
disabled.
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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