DS691F1

3

CS4350

TABLE OF CONTENTS

1. PIN DESCRIPTION.................................................................................................................................. 6

2. CHARACTERISTICS AND SPECIFICATIONS....................................................................................... 8

RECOMMENDED OPERATING CONDITIONS .......................................................................................... 8

ABSOLUTE MAXIMUM RATINGS............................................................................................................... 8

DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CZZ) ................................................................... 9

DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DZZ) .................................................................. 10

COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE............................................ 12

SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE.............................................................. 13

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT.................................................... 14

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT................................................... 15

DIGITAL CHARACTERISTICS .................................................................................................................. 16

POWER AND THERMAL CHARACTERISTICS........................................................................................ 16

3. TYPICAL CONNECTION DIAGRAM .................................................................................................. 17

4. APPLICATIONS .................................................................................................................................... 18

4.1 Sample Rate Range and Oversampling Mode Detect................................................................... 18

4.1.1 Sample Rate Auto-Detect .................................................................................................... 18

4.2 System Clocking ............................................................................................................................ 18

4.2.1 Recovered Master Clock (RMCK)........................................................................................ 18

4.3 Digital Interface Format ................................................................................................................. 19

4.3.1 Time-Division Multiplex (TDM) Mode ................................................................................... 20

4.4 De-Emphasis ................................................................................................................................. 21

4.5 Mute Control .................................................................................................................................. 21

4.6 Recommended Power-Up Sequence ............................................................................................ 21

4.6.1 Stand-Alone Mode ............................................................................................................... 21

4.6.2 Control Port Mode ................................................................................................................ 22

4.7 Popguard Transient Control .......................................................................................................... 22

4.7.1 Power-Up ............................................................................................................................. 22

4.7.2 Power-Down......................................................................................................................... 22

4.7.3 Discharge Time .................................................................................................................... 22

4.8 Analog Output and Filtering........................................................................................................... 23

4.9 Grounding and Power Supply Arrangements ................................................................................ 23

4.9.1 Capacitor Placement............................................................................................................ 23

5. STAND-ALONE OPERATION............................................................................................................... 24

5.1 Serial Port Format Selection.......................................................................................................... 24

5.2 De-Emphasis Control .................................................................................................................... 24

5.3 Popguard Transient Control .......................................................................................................... 24

6. CONTROL PORT OPERATION ............................................................................................................ 25

6.1 MAP Auto Increment ..................................................................................................................... 25

6.2 I²C Mode........................................................................................................................................ 25

6.2.1 I²C Write ............................................................................................................................... 25

6.2.2 I²C Read............................................................................................................................... 25

6.3 SPI Mode ....................................................................................................................................... 26

6.3.1 SPI Write .............................................................................................................................. 26

6.3.2 SPI Read.............................................................................................................................. 27

6.4 Memory Address Pointer (MAP) ................................................................................................... 27

6.4.1 INCR (Auto Map Increment Enable) .................................................................................... 27

6.4.2 MAP (Memory Address Pointer) .......................................................................................... 27

7. REGISTER QUICK REFERENCE ......................................................................................................... 28

8. REGISTER DESCRIPTION ................................................................................................................... 29

8.1 Device and Revision ID - Register 01h.......................................................................................... 29

8.2 Mode Control - Register 02h ......................................................................................................... 29

8.2.1 Digital Interface Format (DIF[2:0]) Bits 6-4 .......................................................................... 29