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參數(shù)資料
| 型號(hào)： | TAS5508BPAGR |
| 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(yè)數(shù)： | 36/103頁(yè) |
| 文件大?。?/td> | 1198K |
| 代理商： | TAS5508BPAGR |
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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
TAS5508B
8-Channel Digital Audio PWM Processor
SLES162C – DECEMBER 2005 – REVISED JULY 2009
www.ti.com
Figure 2-18. Output Mixers
The TAS5508B 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 TAS5508B device uses noise-shaping and sophisticated, error-correction algorithms to
achieve high power efficiency and high-performance digital audio reproduction. The TAS5508B 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 TAS5508B 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.
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
38
相關(guān)PDF資料 |
PDF描述 |
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| TAS5508BPAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5508PAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5508PAGRG4 | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5508PAGR | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5508PAGG4 | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5508BPAGRG4 | 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 |
| TAS5508C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-Channel Digital Audio PWM Processor |
| TAS5508CPAG | 功能描述:音頻 DSP 8Ch 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 |
| TAS5508CPAGR | 功能描述:音頻 DSP 8Ch 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 |
| TAS5508CPAGR | 制造商:Texas Instruments 功能描述:IC Digital Audio PWM Processor 64-TQFP |
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