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AMU2481 データシート(PDF) 2 Page - Micronas |
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AMU2481 データシート(HTML) 2 Page - Micronas |
2 / 25 page AMU 2481 MICRONAS INTERMETALL 2 Contents Page Section Title 3 1. Introduction 3 1.1. Application of the AMU 2481 5 2. Architecture of the AMU 2481 and Functional Description 5 2.1. I/O Blocks 5 2.1.1. Digital Decimation Filters 6 2.1.2. S Bus Interface and S Bus 6 2.1.2.1. Description of the S Bus 6 2.1.2.2. The S Bus Interface 6 2.1.3. IM Bus Interface and IM Bus 6 2.1.3.1. Description of the IM Bus 7 2.1.3.2. The IM Bus Interface 8 2.1.4. Digital/Analog Converter (DAC) and Volume 2 9 2.2. DSP Block 9 2.2.1. C–RAM, C–ROM and Data RAM 9 2.2.2. Program ROM, Program Counter and Control Block 9 2.2.3. Arithmetic Logic Unit (ALU) 9 2.3. System Clock ΦM and PDM Sampling Rate 10 3. Functions Solved by DSP Software 10 3.1. Representation of Numbers 10 3.2. DC Offset Suppression (for PDM–Data only) 10 3.3. 50 µs Digital Deemphasis (for PDM–Data only) 11 3.4. J17 Deemphasis (for S–Data only) 11 3.5. Medium Quality Oversampling Filter 11 3.6. Audio Mixing Section 12 3.7. Sin x/x Compensation 12 3.8. Volume Control 12 3.9. Matrix 2 13 3.10. 50 µs Digital Preemphasis 13 3.11. Oversampling Filter for Ch1 and Ch2 13 3.12. AMU 2481 Initialization 14 3.13. Complete Coefficient Table 16 4. Specifications 16 4.1. Outline Dimensions 16 4.2. Pin Connections 16 4.2.1. 24–Pin DIL Package 17 4.2.2. 44–Pin PLCC Package 17 4.3. Pin Descriptions 18 4.4. Pin Circuits 19 4.5. Electrical Characteristics 19 4.5.1. Absolute Maximum Ratings 19 4.5.2. Recommended Operating Conditions 21 4.5.3. Characteristics 22 5. Appendix 1: Application Circuit 23 6. Appendix 2: Program Structure |
同様の部品番号 - AMU2481 |
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同様の説明 - AMU2481 |
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