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参数资料
| 型号： | TAS5518CPAG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | GREEN, PLASTIC, TQFP-64 |
| 文件页数： | 16/103页 |
| 文件大小： | 2007K |
| 代理商： | TAS5518CPAG |
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Contents
TAS5518C
8-Channel Digital Audio PWM Processor
SLES238A – SEPTEMBER 2008 – REVISED JULY 2009
www.ti.com
1
Introduction
......................................................................................................................... 9
1.1
Features
....................................................................................................................... 9
1.2
Overview
..................................................................................................................... 10
1.3
Changes From the TAS5518 to the TAS5518C
........................................................................ 12
1.4
TAS5518C 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
TAS5518C 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
TAS5518C Audio-Processing Configurations
..................................................... 18
2.2.5.2
TAS5518C Audio Signal-Processing Functions
.................................................. 19
2.3
TAS5518C DAP Architecture
............................................................................................. 20
2.3.1
TAS5518C 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
TAS5518C 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
TAS5518C 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
TAS5518C Pin Controls
................................................................................................... 42
3.2.1
Reset (RESET)
.................................................................................................. 42
Contents
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TAS5518CPAGR | 功能描述:音频 DSP 8Ch Dig Audio PWM Proc RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5518PAG | 功能描述:音频 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5518PAG | 制造商:Texas Instruments 功能描述:Pulse Width Modulation (PWM) Controller |
| TAS5518PAGG4 | 功能描述:音频 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5518PAGR | 功能描述:音频 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
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