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参数资料
| 型号： | TAS5508PAGR |
| 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： | 39/105页 |
| 文件大小： | 1286K |
| 代理商： | TAS5508PAGR |
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Gain Coefficient
48
Select
Output
N
28
48
Gain Coefficient
48
28
48
Output
Select
Output
N
1, 2, 3, 4, 5, or 6
Gain Coefficient
48
Select
Output
N
28
48
Gain Coefficient
48
28
48
Output
Select
Output
N
7 or 8
48
Gain Coefficient
48
Select
Output
N
28
M0011-02
2.12 PWM
TAS5508
8-Channel Digital Audio PWM Processor
www.ti.com
SLES091D – FEBRUARY 2004 – REVISED JULY 2009
Figure 2-18. Output Mixers
The TAS5508 has eight channels of high-performance digital PWM modulators that are designed to drive
switching output stages (back ends) in both single-ended (SE) and H-bridge (bridge-tied load)
configurations. The TAS5508 device uses noise-shaping and sophisticated, error-correction algorithms to
achieve high power efficiency and high-performance digital audio reproduction. The TAS5508 uses an
AD1 PWM modulation scheme combined with a fifth-order noise shaper to provide a 102-dB SNR from
20 Hz 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 and two channels to drive a differential-input active filter to provide
a separately controllable stereo lineout
Eight channels to drive power stages
The TAS5508 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 does not
operate while the six or eight back-end drive channels are operating. The headphone is 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.
Description
39
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TAS5508PAGRG4 | 功能描述:音频 DSP 8Ch Dig Aud PWM Proc 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 |
| TAS5514BQ1DKDEVM | 功能描述:音频 IC 开发工具 TAS5514BQ1DKD EVAL MOD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TAS5514BTDKDRQ1 | 功能描述:音频放大器 4-CH Auto Digital Amps 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 |
| TAS5518 | 制造商:TI 制造商全称:Texas Instruments 功能描述:TAS5518 8 Channel Digital Audio PWM Processor |
| TAS5518_06 | 制造商:TI 制造商全称:Texas Instruments 功能描述:8 Channel Digital Audio PWM Processor |
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