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参数资料
| 型号： | TAS5028PAGR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | GREEN, PLASTIC, TQFP-64 |
| 文件页数： | 22/86页 |
| 文件大小： | 1201K |
| 代理商： | TAS5028PAGR |
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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.
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TAS5028PAGRG4 | 功能描述:音频 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5036 | 制造商:TI 制造商全称:Texas Instruments 功能描述:SIX CHANNEL DIGITAL AUDIO PWM PROCESSOR |
| TAS5036A | 制造商:TI 制造商全称:Texas Instruments 功能描述:Six Channel Digital Audio PWM Processor |
| TAS5036A_06 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Six Channel Digital Audio PWM Processor |
| TAS5036AIPFC | 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 |
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