參數(shù)資料
型號(hào)： TAS5508BPAGG4
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)： 16/103頁(yè)
文件大?。?/td> 1198K
代理商： TAS5508BPAGG4
Contents
TAS5508B
8-Channel Digital Audio PWM Processor
SLES162C – DECEMBER 2005 – REVISED JULY 2009
www.ti.com
1
Introduction
......................................................................................................................... 9
1.1
Features
....................................................................................................................... 9
1.2
Overview
..................................................................................................................... 10
1.3
Changes From the TAS5508A to the TAS5508B
...................................................................... 12
1.4
TAS5508B System Diagrams
............................................................................................. 12
2
Description
........................................................................................................................ 14
2.1
Physical Characteristics
................................................................................................... 14
2.1.1
Terminal Assignments
.......................................................................................... 14
2.1.2
Ordering Information
............................................................................................ 14
2.1.3
Terminal Descriptions
........................................................................................... 15
2.2
TAS5508B Functional Description
....................................................................................... 17
2.2.1
Power Supply
.................................................................................................... 17
2.2.2
Clock, PLL, and Serial Data Interface
........................................................................ 17
2.2.2.1
Serial Audio Interface
................................................................................ 17
2.2.3
I
2C Serial-Control Interface
.................................................................................... 18
2.2.4
Device Control
................................................................................................... 18
2.2.5
Digital Audio Processor (DAP)
................................................................................. 18
2.2.5.1
TAS5508B Audio-Processing Configurations
..................................................... 18
2.2.5.2
TAS5508B Audio Signal-Processing Functions
.................................................. 19
2.3
TAS5508B DAP Architecture
............................................................................................. 20
2.3.1
TAS5508B DAP Architecture Diagrams
...................................................................... 20
2.3.2
I
2C Coefficient Number Formats
.............................................................................. 23
2.3.2.1
28-Bit 5.23 Number Format
......................................................................... 23
2.3.2.2
48-Bit 25.23 Number Format
........................................................................ 25
2.3.2.3
TAS5508B Audio Processing
....................................................................... 26
2.4
Input Crossbar Mixer
....................................................................................................... 27
2.5
Biquad Filters
............................................................................................................... 27
2.6
Bass and Treble Controls
................................................................................................. 28
2.7
Volume, Automute, and Mute
............................................................................................. 29
2.8
Automute and Mute Channel Controls
.................................................................................. 30
2.9
Loudness Compensation
.................................................................................................. 30
2.9.1
Loudness Example
.............................................................................................. 31
2.10
Dynamic Range Control (DRC)
........................................................................................... 32
2.10.1
DRC Implementation
............................................................................................ 35
2.10.2
Compression/Expansion Coefficient Computation Engine Parameters
................................. 35
2.10.2.1
Threshold Parameter Computation
............................................................... 36
2.10.2.2
Offset Parameter Computation
.................................................................... 36
2.10.2.3
Slope Parameter Computation
.................................................................... 37
2.11
Output Mixer
................................................................................................................ 37
2.12
PWM
......................................................................................................................... 38
2.12.1
DC Blocking (High-Pass Filter Enable/Disable)
............................................................. 39
2.12.2
De-Emphasis Filter
.............................................................................................. 39
2.12.3
Power-Supply Volume Control (PSVC)
....................................................................... 39
2.12.4
AM Interference Avoidance
.................................................................................... 40
3
TAS5508B Controls and Status
............................................................................................ 42
3.1
I
2C Status Registers
....................................................................................................... 42
3.1.1
General Status Register (0x01)
................................................................................ 42
3.1.2
Error Status Register (0x02)
................................................................................... 42
3.2
TAS5508B Pin Controls
................................................................................................... 42
3.2.1
Reset (RESET)
.................................................................................................. 42
Contents
2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5508BPAGR 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
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
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