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CDB4270 データシート(PDF) 3 Page - Cirrus Logic |
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CDB4270 データシート(HTML) 3 Page - Cirrus Logic |
3 / 48 page DS686A1 3 CS4270 TABLE OF CONTENTS 1. PIN DESCRIPTIONS - SOFTWARE MODE ............................................................................. 6 2. PIN DESCRIPTIONS - STAND-ALONE MODE ....................................................................... 7 3. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 8 SPECIFIED OPERATING CONDITIONS ................................................................................. 8 ABSOLUTE MAXIMUM RATINGS ........................................................................................... 8 THERMAL CHARACTERISTICS.............................................................................................. 8 DAC ANALOG CHARACTERISTICS (CS4270-CZZ)............................................................... 9 DAC ANALOG CHARACTERISTICS (CS4270-DZZ)............................................................... 9 DAC COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE................ 11 ADC ANALOG CHARACTERISTICS (CS4270-CZZ)............................................................. 12 ADC ANALOG CHARACTERISTICS (CS4270-DZZ)............................................................. 13 ADC ANALOG CHARACTERISTICS - ALL MODES ............................................................. 14 ADC DIGITAL FILTER CHARACTERISTICS ........................................................................ 14 DC ELECTRICAL CHARACTERISTICS ................................................................................ 15 DIGITAL CHARACTERISTICS............................................................................................... 16 SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT................................................. 16 SWITCHING CHARACTERISTICS - I²C MODE CONTROL PORT....................................... 19 SWITCHING CHARACTERISTICS - SPI CONTROL PORT.................................................. 20 4. TYPICAL CONNECTION DIAGRAM ..................................................................................... 21 5. APPLICATIONS ..................................................................................................................... 22 5.1 Stand-Alone Mode ...........................................................................................................22 5.1.1 Recommended Power-Up Sequence ................................................................. 22 5.1.2 Master/Slave Mode ............................................................................................. 22 5.1.3 System Clocking ................................................................................................. 22 5.1.4 Clock Ratio Selection .......................................................................................... 23 5.1.5 Interpolation Filter .............................................................................................. 23 5.1.6 High-Pass Filter .................................................................................................. 23 5.1.7 Mode Selection & De-Emphasis ......................................................................... 24 5.1.8 Serial Audio Interface Format Selection ............................................................. 24 5.2 Control Port Mode ........................................................................................................... 24 5.2.1 Recommended Power-Up Sequence - Access to Control Port Mode ................ 24 5.2.2 Master / Slave Mode Selection ........................................................................... 24 5.2.3 System Clocking ................................................................................................. 25 5.2.4 Clock Ratio Selection .......................................................................................... 25 5.2.5 Internal Digital Loopback .................................................................................... 26 5.2.6 Auto-Mute ........................................................................................................... 26 5.2.7 High-Pass Filter and DC Offset Calibration ........................................................ 26 5.2.8 De-Emphasis ...................................................................................................... 27 5.2.9 Oversampling Modes .......................................................................................... 27 5.3 De-Emphasis Filter .......................................................................................................... 27 5.4 Analog Connections ........................................................................................................ 28 5.4.1 Input Connections ............................................................................................... 28 5.4.2 Output Connections ............................................................................................ 29 5.5 Mute Control .................................................................................................................... 29 5.6 Synchronization of Multiple Devices ................................................................................ 30 5.7 Grounding and Power Supply Decoupling ....................................................................... 30 6. CONTROL PORT INTERFACE .............................................................................................. 31 6.1 SPI™ Mode ..................................................................................................................... 31 6.2 I²C Mode .......................................................................................................................... 32 7. REGISTER QUICK REFERENCE .......................................................................................... 33 8. REGISTER DESCRIPTION .................................................................................................... 34 8.1 Chip ID - Address 01h ..................................................................................................... 34 |
同様の部品番号 - CDB4270 |
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同様の説明 - CDB4270 |
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