參數(shù)資料
型號(hào)： TAS5028PAG
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： GREEN, PLASTIC, TQFP-64
文件頁數(shù)： 22/86頁
文件大?。?/td> 1201K
代理商： TAS5028PAG
Introduction
21
SLES112 — June 2004
TAS5028
Output
Gain Coefficient
28
48
Select
Output
N
Gain Coefficient
28
48
Output
Gain Coefficient
28
48
Gain Coefficient
28
48
Gain Coefficient
28
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 TAS5028 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 TAS5028 device uses noise-shaping and sophisticated error correction algorithms to achieve high power
efficiency and high-performance digital audio reproduction. The TAS5028 uses an AD1 PWM modulation
combined with a 5th 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 TAS5028 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 I2C 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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
TAS5028PAGR 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
TAS5028PAGRG4 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
TAS5036 制造商:TI 制造商全稱:Texas Instruments 功能描述:SIX CHANNEL DIGITAL AUDIO PWM PROCESSOR
TAS5036A 制造商:TI 制造商全稱:Texas Instruments 功能描述:Six Channel Digital Audio PWM Processor
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