CDB4223 查看數據表（PDF） - Cirrus Logic
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CDB4223 Datasheet PDF : 34 Pages
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CS4223 CS4224
5.5.3 Serial Data Output Format (DOF).................................................................................. 17
5.5.4 Serial Data Input Format (DIF) ...................................................................................... 17
5.6 Converter Status Report (Read Only) (address 06h) ....................................................... 18
5.6.1 Left and Right Channel Acceptance Bit (ACCR-ACCL) ................................................ 18
5.6.2 Left and Right Channel ADC Output Level (LVR and LVL) ........................................... 18
5.7 Master Clock Control (address 07h) ................................................................................. 18
5.7.1 Master Clock Control (MCK).......................................................................................... 18
6. PIN DESCRIPTIONS — CS4223 ............................................................................................ 19
7. PIN DESCRIPTIONS — CS4224 ............................................................................................ 21
8. APPLICATIONS ..................................................................................................................... 23
8.1 Overview .......................................................................................................................... 23
8.2 Grounding and Power Supply Decoupling ....................................................................... 23
8.3 High Pass Filter ............................................................................................................... 23
8.4 Analog Outputs ................................................................................................................ 23
8.5 Master vs. Slave Mode .................................................................................................... 23
8.6 De-emphasis ................................................................................................................... 23
8.7 Power-up / Reset / Power Down Calibration ................................................................... 23
8.8 Control Port Interface (CS4224 only) .............................................................................. 24
8.8.1 SPI Mode ............................................................................................................ 24
8.8.2 I2C Mode ............................................................................................................. 24
8.9 Memory Address Pointer (MAP) ....................................................................................... 25
8.9.1 Auto-Increment Control (INCR) ..................................................................................... 25
8.9.2 Register Pointer (MAP).................................................................................................. 25
9. ADC/DAC FILTER RESPONSE .............................................................................................. 29
10. PARAMETER DEFINITIONS................................................................................................. 30
11. PACKAGE DIMENSIONS ..................................................................................................... 31
LIST OF FIGURES
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Serial Audio Port Data I/O Timing ............................................................................ 8
SPI Control Port Timing............................................................................................ 9
I2C Control Port Timing .......................................................................................... 10
CS4223 Recommended Connection Diagram ....................................................... 11
CS4224 Recommended Connection Diagram ....................................................... 12
Control Port Timing, SPI mode............................................................................... 25
Control Port Timing, I2C mode ............................................................................... 25
Serial Audio Format 0 (I2S) .................................................................................... 26
Serial Audio Format 1............................................................................................. 26
Serial Audio Format 2............................................................................................. 26
Serial Audio Format 3............................................................................................. 27
Optional Input Buffer .............................................................................................. 27
Single-ended Input Application............................................................................... 27
2- and 3-Pole Butterworth Filters............................................................................ 28
De-emphasis Curve................................................................................................ 28
Hybrid Analog/Digital Attenuation........................................................................... 28
ADC Filter Response.............................................................................................. 29
ADC Passband Ripple............................................................................................ 29
ADC Transition Band.............................................................................................. 29
DAC Filter Response.............................................................................................. 29
DAC Passband Ripple............................................................................................ 29
DAC Transition Band.............................................................................................. 29
DS290F1
3
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