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CS42448-CQZR Scheda tecnica(PDF) 2 Page - Cirrus Logic |
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CS42448-CQZR Scheda tecnica(HTML) 2 Page - Cirrus Logic |
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2 / 70 page  2 DS648PP2 TABLE OF CONTENTS 1 PIN DESCRIPTION .................................................................................................................... 6 1.1 Digital I/O Pin Characteristics ............................................................................................8 2 TYPICAL CONNECTION DIAGRAM ......................................................................................... 9 3 CHARACTERISTICS AND SPECIFICATIONS ....................................................................... 10 SPECIFIED OPERATING CONDITIONS ............................................................................... 10 ABSOLUTE MAXIMUM RATINGS ......................................................................................... 10 ANALOG INPUT CHARACTERISTICS (CS42448-CQZ) ....................................................... 11 ANALOG INPUT CHARACTERISTICS (CS42448-DQZ) ....................................................... 12 ADC DIGITAL FILTER CHARACTERISTICS ......................................................................... 13 ANALOG OUTPUT CHARACTERISTICS (CS42448-CQZ) ................................................... 14 ANALOG OUTPUT CHARACTERISTICS (CS42448-DQZ) ................................................... 16 COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ................ 18 SWITCHING SPECIFICATIONS - ADC/DAC PORT .............................................................. 19 SWITCHING CHARACTERISTICS - AUX PORT................................................................... 21 SWITCHING SPECIFICATIONS - CONTROL PORT - I²C MODE......................................... 22 SWITCHING SPECIFICATIONS - CONTROL PORT - SPI FORMAT ................................... 23 DC ELECTRICAL CHARACTERISTICS................................................................................. 24 DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS ....................................... 24 4 APPLICATIONS ....................................................................................................................... 25 4.1 Overview .......................................................................................................................... 25 4.2 Analog Inputs ................................................................................................................... 25 4.2.1 Line Level Inputs ................................................................................................. 25 4.2.2 ADC3 Analog Input ............................................................................................. 26 4.2.3 High Pass Filter and DC Offset Calibration ......................................................... 27 4.3 Analog Outputs ................................................................................................................ 27 4.3.1 Initialization ......................................................................................................... 27 4.3.2 Output Transient Control ..................................................................................... 27 4.3.3 Popguard® .......................................................................................................... 29 4.3.4 Mute Control ........................................................................................................ 29 4.3.5 Line-level Outputs and Filtering .......................................................................... 29 4.3.6 Digital Volume Control ........................................................................................ 30 4.3.7 De-Emphasis Filter .............................................................................................. 30 4.4 System Clocking .............................................................................................................. 31 4.5 CODEC Digital Interface Formats .................................................................................... 31 4.5.1 I²S ........................................................................................................................ 33 4.5.2 Left-Justified ........................................................................................................ 33 4.5.3 Right Justified ..................................................................................................... 33 4.5.4 OLM #1 ............................................................................................................... 33 4.5.5 OLM #2 ............................................................................................................... 34 4.5.6 TDM .................................................................................................................... 34 4.5.7 I/O Channel Allocation ........................................................................................ 35 4.6 AUX Port Digital Interface Formats .................................................................................. 36 4.6.1 I²S ........................................................................................................................ 36 4.6.2 Left Justified ........................................................................................................ 36 4.7 Control Port Description and Timing ................................................................................ 37 4.7.1 SPI Mode ............................................................................................................ 37 4.7.2 I2C Mode ............................................................................................................. 38 4.8 Interrupts .......................................................................................................................... 39 4.9 Recommended Power-up Sequence ............................................................................... 39 4.10 Reset and Power-up ..................................................................................................... 39 4.11 Power Supply, Grounding, and PCB layout ................................................................... 40 |
Codice articolo simile - CS42448-CQZR |
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Descrizione simile - CS42448-CQZR |
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