User Manuals: Wolfson WM8941 Audio Codec

Manuals and User Guides for Wolfson WM8941 Audio Codec. We have 1 Wolfson WM8941 Audio Codec manual available for free PDF download: Production Sheet

Wolfson WM8941 Production Sheet

Wolfson WM8941 Production Sheet (94 pages)

Mono CODEC with Speaker Driver and Video Buffer

Brand: Wolfson | Category: Conference System | Size: 1 MB

Table of Contents

Features

1
Applications

1
- Table of Contents Description
  
  1
Block Diagram

2
- Table of Contents
  3
Pin Configuration

5
Ordering Information

5
Pin Description

6
Absolute Maximum Ratings

7
Recommended Operating Conditions

7
Electrical Characteristics

8
- Terminology
  10
Audio Paths Overview

11
Signal Timing Requirements

13
Device Description

17
- Introduction
  17
- Input Signal Path
  18
- Analogue to Digital Converter (Adc)
  24
- Input Limiter / Automatic Level Control (Alc)
  29
- Output Signal Path
  42
- Volume Boost
  44
- Analogue Outputs
  46
- Output Switch
  49
- Video Buffer
  52
- Digital Audio Interfaces
  57
- Audio Sample Rates
  61
- Master Clock and Phase Locked Loop (Pll)
  62
- Companding
  65
- General Purpose Input/Output
  67
- Control Interface
  67
- 3-Wire Serial Control Mode
  69
- Readback in 3-Wire Mode
  69
- 2-Wire Serial Control Mode
  70
- Resetting the Chip
  70
- Power Supplies
  70
- Power Management
  73
- Pop Minimisation
  74
Register Map

75
- Register Bits by Address
  76
Digital Filter Characteristics

87
- Terminology
  87
- Dac Filter Responses
  88
- Adc Filter Responses
  88
- Highpass Filter
  89
- Notch Filters and Low Pass Filter
  90
Applications Information

92
- Recommended External Components
  92
Package Diagram

93
Important Notice

94
- Address
  94

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