Cirrus Logic CS4244 manuals

Cirrus logic CS4244 User Manual (63 pages)

Brand: Cirrus-logic | Category: Hardware | Size: 1.98 MB |

English

Table of contents

DAC Features

1

ADC Features

1

System Features

1

Common Applications

1

General Description

1

TABLE OF CONTENTS

2

LIST OF FIGURES

3

LIST OF TABLES

4

1. PIN DESCRIPTIONS

5

1.1 I/O Pin Characteristics

6

Digital Signal

7

Processor

7

ABSOLUTE MAXIMUM RATINGS

8

TYPICAL CURRENT CONSUMPTION

10

(Note 13)

11

CS4244 AINx

13

DS900F1 13

13

CS4244 AINx +

13

25000/Fs

14

DIGITAL I/O CHARACTERISTICS

18

DS900F1 20

20

4. APPLICATIONS

22

4.2.2 Power-down

23

4.2.3 DAC DC Loading

23

4.3 I²C Control Port

24

CS4244 after

25

CS4244, the chip address

25

4.3.1.1 Map Increment (INCR)

26

4.4 System Clocking

26

4.4.1 Master Clock

26

4.4.3 Slave Mode Clock Ratios

27

4.5 Serial Port Interface

28

4.5.1 TDM Mode

28

DS900F1 29

29

4.6 Internal Signal Path

31

4.6.1.1 ADC Signal Routing

31

4.6.1.2 DAC1-4 Signal Routing

32

4.6.2 ADC Path

35

4.6.2.1 Analog Inputs

35

4.6.2.3 ADC HPF

36

4.6.3 DAC1-4 Path

37

4.6.3.1 De-emphasis Filter

37

4.6.4 Analog Outputs

38

4.6.5 Volume Control

39

4.6.5.1 Mute Behavior

39

4.6.5.2 Soft Ramp

39

MIN_DELAY

40

MAX_DELAY

40

4.6.5.3 Noise Gate

41

4.7 Reset Line

42

4.8.1 Interrupt Masking

43

DS900F1 44

44

5. REGISTER QUICK REFERENCE

45

DS900F1 46

46

6. REGISTER DESCRIPTIONS

47

6.3.1 Base Rate Advisory

48

6.3.2 Speed Mode

48

6.3.3 Master Clock Rate

48

76543210

49

6.5.4 Master/Slave

50

6.6.1 DAC1-4 Data Source

50

6.9.1 DAC1-4 Noise Gate

52

6.9.2 DAC1-4 De-emphasis

52

6.10.1 Inv. DACx

52

6.13.1 Mute Delay

54

6.13.2 Minimum Delay

54

6.13.3 Maximum Delay

54

6.14.1 x Volume Control

55

6.15.1 INT MODE

55

Reserved

57

6.19.1 DACx Clip

58

7. ADC FILTER PLOTS

59

8. DAC FILTER PLOTS

60

DS900F1 61

61

9. PACKAGE DIMENSIONS

62

10.ORDERING INFORMATION

63

11.REVISION HISTORY

63

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