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參數(shù)資料
| 型號： | TAS5504PAGG4 |
| 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)： | 30/96頁 |
| 文件大?。?/td> | 1216K |
| 代理商： | TAS5504PAGG4 |
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Introduction
28
SLES123 October 2004
TAS5504
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 or 2
Select
Output
N
Select
Output
N
Select
Output
N
Select
Output
N
3 or 4
Figure 120. Output Mixers
1.12 PWM
The TAS5504 has four 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 TAS5504 device uses noise-shaping and sophisticated error correction algorithms to achieve high power
efficiency and high-performance digital audio reproduction. The TAS5504 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 four PWM audio output channels.
The TAS5504 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 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.
The PWM section also contains the power supply volume control (PSVC) PWM.
The interpolator, noise shaper, and PWM sections provide a PWM output with the following features:
Up to 8x over sampling.
8x at FS = 44.1 kHz, 48 kHz, 32 kHz, 38 kHz
4x at FS = 88.2 kHz, 96 kHz
2x at FS = 176.4 kHz, 192 kHz
5th order noise shaping
102-dB dynamic range 0 – 20 kHz (TAS5504 + TAS5111 system measured at speaker terminals)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5504PAGR | 功能描述:音頻 DSP 4 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 |
| TAS5504PAGRG4 | 功能描述:音頻 DSP 4 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 |
| TAS5508 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8 Channel Digital Audio PWM Processor |
| TAS5508-5121K8EVM | 功能描述:音頻 IC 開發(fā)工具 TAS5508-TAS5121K8 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TAS5508-5122C6EVM | 功能描述:音頻 IC 開發(fā)工具 TAS5508-5122C6 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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