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參數(shù)資料
| 型號(hào)： | TAS5518CPAG |
| 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)： | 36/103頁 |
| 文件大?。?/td> | 2007K |
| 代理商： | TAS5518CPAG |
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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
TAS5518C
8-Channel Digital Audio PWM Processor
SLES238A – SEPTEMBER 2008 – REVISED JULY 2009
www.ti.com
Figure 2-18. Output Mixers
The TAS5518C 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 TAS5518C device uses noise-shaping and sophisticated, error-correction algorithms
to achieve high power efficiency and high-performance digital audio reproduction. The TAS5518C 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 TAS5518C 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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5518CPAGR | 功能描述:音頻 DSP 8Ch Dig Audio PWM Proc 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 |
| TAS5518PAG | 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 |
| TAS5518PAG | 制造商:Texas Instruments 功能描述:Pulse Width Modulation (PWM) Controller |
| TAS5518PAGG4 | 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 |
| TAS5518PAGR | 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 |
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