CS4223 CS4224

DS290F1

3

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

Figure 1.

Serial Audio Port Data I/O Timing ............................................................................ 8

Figure 2.

SPI Control Port Timing............................................................................................ 9

Figure 3.

I2C Control Port Timing .......................................................................................... 10

Figure 4.

CS4223 Recommended Connection Diagram ....................................................... 11

Figure 5.

CS4224 Recommended Connection Diagram ....................................................... 12

Figure 6.

Control Port Timing, SPI mode............................................................................... 25

Figure 7.

Control Port Timing, I2C mode ............................................................................... 25

Figure 8.

Serial Audio Format 0 (I2S) .................................................................................... 26

Figure 9.

Serial Audio Format 1............................................................................................. 26

Figure 10.

Serial Audio Format 2............................................................................................. 26

Figure 11.

Serial Audio Format 3............................................................................................. 27

Figure 12.

Optional Input Buffer .............................................................................................. 27

Figure 13.

Single-ended Input Application............................................................................... 27

Figure 14.

2- and 3-Pole Butterworth Filters............................................................................ 28

Figure 15.

De-emphasis Curve................................................................................................ 28

Figure 16.

Hybrid Analog/Digital Attenuation........................................................................... 28

Figure 17.

ADC Filter Response.............................................................................................. 29

Figure 18.

ADC Passband Ripple............................................................................................ 29

Figure 19.

ADC Transition Band.............................................................................................. 29

Figure 20.

DAC Filter Response.............................................................................................. 29

Figure 21.

DAC Passband Ripple............................................................................................ 29

Figure 22.

DAC Transition Band.............................................................................................. 29