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SAA7826 Datasheet(PDF) 2 Page - NXP Semiconductors |
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SAA7826 Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 89 page  2003 Oct 01 2 Philips Semiconductors Product specification CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control SAA7826 CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 QUICK REFERENCE DATA 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 Data acquisition and HF data path 7.2 Decoder part 7.2.1 Principle operating modes of the decoder 7.2.2 Decoder speed and crystal frequency 7.2.3 Lock-to-disc mode 7.2.4 Standby modes 7.3 Crystal oscillator 7.4 Data slicer and bit clock regenerator 7.5 DC offset cancellation 7.5.1 Offset cancellation 7.5.2 Reading back the DC offset value 7.6 Demodulator 7.6.1 Frame sync protection 7.6.2 EFM demodulation 7.7 Subcode data processing 7.7.1 Q-channel processing 7.7.2 EIAJ 3 and 4-wire subcode (CD graphics) interface 7.7.3 V4 subcode interface 7.7.4 CD text interface 7.8 FIFO and error correction 7.8.1 Flags output (CFLG) 7.9 Audio functions 7.9.1 De-emphasis and phase linearity 7.9.2 Digital oversampling filter 7.9.3 Concealment 7.9.4 Mute, full-scale, attenuation and fade 7.9.5 Peak detector 7.10 Audio DAC interface 7.10.1 Internal dynamic element matching digital-to-analog converter 7.10.2 External DAC interface 7.11 EBU interface 7.11.1 Format 7.12 KILL features 7.12.1 The KILL circuit 7.12.2 Silence injection 7.13 Audio features off 7.14 The versatile pins interface 7.15 Spindle motor control 7.15.1 Motor output modes 7.15.2 Spindle motor operating modes 7.15.3 Loop characteristics 7.15.4 FIFO overflow 7.16 Servo part 7.16.1 Diode signal processing 7.16.2 Signal conditioning 7.16.3 Focus servo system 7.16.4 Radial servo system 7.16.5 Off-track counting 7.16.6 Track counting modes 7.16.7 Defect detection 7.16.8 Off-track detection 7.16.9 High-level features 7.16.10 Driver interface 7.16.11 Laser interface 7.17 Microcontroller interface 7.17.1 Microcontroller interface (4-wire bus mode) 7.17.2 Microcontroller interface (I2C-bus mode) 7.17.3 Decoder and shadow registers 7.17.4 Summary of functions controlled by decoder registers 0 to F 7.17.5 Summary of functions controlled by shadow registers 7.17.6 Summary of servo commands 7.17.7 Summary of servo command parameters 8 SUMMARY OF SERVO COMMAND PARAMETERS VALUES 9 LIMITING VALUES 10 CHARACTERISTICS 11 OPERATING CHARACTERISTICS (SUBCODE INTERFACE TIMING) 12 OPERATING CHARACTERISTICS (I2S-BUS TIMING) 13 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING) 14 APPLICATION INFORMATION 15 PACKAGE OUTLINE 16 SOLDERING 16.1 Introduction to soldering surface mount packages 16.2 Reflow soldering 16.3 Wave soldering 16.4 Manual soldering 16.5 Suitability of surface mount IC packages for wave and reflow soldering methods 17 DATA SHEET STATUS 18 DEFINITIONS 19 DISCLAIMERS 20 PURCHASE OF PHILIPS I2C COMPONENTS |
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