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TAS5558 Datasheet(PDF) 3 Page - Texas Instruments

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Part # TAS5558
Description  8-Channel HD Compatible Audio Processor with ASRC and PWM Output
PDF  122 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5558 Datasheet(HTML) 3 Page - Texas Instruments

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Serial Audio
Receiver
2x Stereo
Serial Audio
Receiver
2x Stereo
Serial Audio
Transciever
Stereo
4ch ASRC
4ch ASRC
Fixed Flow
Digital Audio
Processor
(DAP)
10ch input
8ch Processor
8ch Output Mixer
Clocks
(Osc, PLL
etc)
12.288
8ch PWM
Generator
+ Headphone
(PWM)
Bypass
MCU
I2C
Control
Power
Supply
Volume
Control
(PSVC)
Energy
Manager
(EMO)
Power
SDOUT/SDIN5
SDIN1
SDIN2
SCLK
LRCLK
SDIN2-1
SDIN2-2
SCLKO /SCLKIN_2
LRCLKO / LRCKIN_2
AVDD_PWM
AVSS
AVSS_PWM
DVDD1
DVDD2
DVSS1
DVSS2
/PDN
PWM_HPM_L&R
PWM_HPP_L&R
/BKND_ERR
PWM_x_1
through 8
VALID
/MUTE
TAS5558
www.ti.com
SLES273A – APRIL 2013 – REVISED JUNE 2013
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
1.4
Block Diagram
Figure 1-1. Functional Block Diagram
1.5
DESCRIPTION (Continued)
The TAS5558 can drive eight channels of H-bridge power stages. Texas Instruments Power Stages are
designed to work seamlessly with the TAS5558. The TAS5558 supports either the single-ended or bridge-
tied-load configuration. The TAS5558 also provides a high-performance, differential output to drive an
external, differential-input, analog headphone amplifier.
The TAS5558 supports AD, BD, and ternary modulation operating at a 384-kHz switching rate for 48-, 96-,
and 192-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a broad,
flat noise floor and excellent dynamic range from 20 Hz to 32 kHz.
TAS5558 also features power-supply-volume-control (PSVC) improves dynamic range at lower power
level and can be used as part of a Class G Power Supply when used with closed loop PWM input power
stages.
Copyright © 2013, Texas Instruments Incorporated
Device Information
3
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Product Folder Links: TAS5558



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