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| 型號： | TAS5026APAG |
| 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)： | 62/64頁 |
| 文件大?。?/td> | 936K |
| 代理商： | TAS5026APAG |
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Introduction
1
SLES068A—February 2003—Revised January 2004
TAS5026A
1
Introduction
The TAS5026A is an innovative, cost-effective, high-performance 24-bit six-channel digital pulse-width
modulator (PWM) based on Equibit
technology. Combined with a TI PurePath Digital audio amplifier power
stage, these devices use noise-shaping and sophisticated error correction algorithms to achieve high power
efficiency and high-performance digital audio reproduction. The TAS5026A is designed to drive up to six digital
power devices to provide six channels of digital audio amplification. The digital power devices can be six
conventional monolithic power stages (such as TAS5110) or six discrete differential power stages using gate
drivers and MOSFETs.
The TAS5026A has six independent volume controls and mute. The device operates in AD mode. This
all-digital audio system contains only two analog components in the signal chain—an LC low-pass filter at each
speaker terminal and can provide up to 96-dB SNR at the speaker terminals. The TAS5026A has a wide variety
of serial input options including right justified (16, 20, or 24 bit), I2S (16, 20, or 24 bit) left justified, or DSP
(16-bit) data formats. The device is fully compatible with AES standard sampling rates of 44.1 kHz, 48 kHz,
88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz including de-emphasis for 44.1-kHz and 48-kHz sample rates. The
TAS5026A was designed for home theater applications such as DVD minicomponent systems, home theater
in a box (HTIB), DVD receiver, A/V receiver, or TV sets.
1.1
Features
TI PurePath Digital Audio Amplifier
High Quality Audio
96-dB SNR
<0.1% THD+N
Six-Channel Volume Control
Patented Soft Volume
Patented Soft Mute
16-, 20-, or 24-Bit Input Data
Sampling Rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz
Supports Master and Slave Modes
3.3-V Power Supply Operation
Economical 64-Pin TQFP Package
Digital De-Emphasis: 32 kHz, 44.1 kHz, and 48 kHz
Clock Oscillator Circuit for Master Modes
Low Jitter Internal PLL
Soft Volume and Mute Update
Equibit and PurePath Digital are trademarks of Texas Instruments.
Other trademarks are the property of their respective owners.
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