參數(shù)資料
型號: TAS5076PFCRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝: GREEN, PLASTIC, TQFP-80
文件頁數(shù): 62/64頁
文件大小: 873K
代理商: TAS5076PFCRG4
Introduction
1
SLES090A—November 2003—Revised January 2004
TAS5076
1
Introduction
The TAS5076 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 TAS5076 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 the TAS5110) or six discrete differential power stages using
gate drivers and MOSFETs.
The TAS5076 has six independent volume controls and mute. The device operates in AD and BD modes. This
all-digital audio system contains only two analog components in the signal chain—an LC low-pass filter at each
speaker terminal. Dynamic range of 105 dB for the front channels and 102 dB for the other channels is
achievable on the TAS5076-TAS5182 EVM using the specified ABD and interchannel delay settings. The
TAS5076 has a wide variety of serial input options including right justified (16-, 20-, or 24-bit), I2S (16-, 20-,
or 24-bit) left justified, and 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 TAS5076 plus the TAS51xx power stage device combination 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
Up to105-dB Dynamic Range
<0.005% 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 80-Pin TQFP Package
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
Measured TAS5076-TAS5182 EVM
Equibit and PurePath Digital are trademarks of Texas Instruments.
Other trademarks are the property of their respective owners.
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