Cirrus Logic CS42L51 manuali

Cirrus logic CS42L51 Manuale Utente (88 pagine)

Marchio: Cirrus-logic | Categoria: Hardware | Dimensione: 1.54 MB |

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Indice

DIGITAL to ANALOG FEATURES

1

ANALOG to DIGITAL FEATURES

1

SYSTEM FEATURES

2

™ Control)

2

GENERAL DESCRIPTION

2

TABLE OF CONTENTS

3

LIST OF FIGURES

5

LIST OF TABLES

6

DS679F1 7

7

7

Pin Name # Pin Description

7

8 DS679F1

8

10 DS679F1

10

DS679F1 11

11

ABSOLUTE MAXIMUM RATINGS

12

SDOUT Code with HPF On

13

DS679F1 15

15

VA = 1.8V

16

16 DS679F1

16

VA = 2.5V (nominal)

16

DS679F1 17

17

18 DS679F1

18

DS679F1 19

19

20 DS679F1

20

DS679F1 21

21

CONTROL PORT

22

24 DS679F1

24

Parameters Min Typ Max Units

24

POWER CONSUMPTION

25

4. APPLICATIONS

26

4.2 Hardware Mode

27

4.3 Analog Inputs

28

DS679F1 29

29

2π 50 kΩ()1 µF()

30

4.3.6 MIC & PGA Gain

31

32 DS679F1

32

2.) The ALC maintains

32

4.3.8 Noise Gate

33

4.4 Analog Outputs

34

4.4.1 De-Emphasis Filter

34

4.4.2 Volume Controls

35

4.4.3 Mono Channel Mixer

35

4.4.4 Beep Generator

35

4.4.5 Tone Control

36

4.4.6 Limiter

36

DS679F1 37

37

4.4.8 On-Chip Charge Pump

38

4.5 Serial Port Clocking

38

4.5.1 Slave

39

4.5.2 Master

39

4.6 Digital Interface Formats

40

4.7 Initialization

41

42 DS679F1

42

4.10 Software Mode

43

4.10.1 SPI Control

43

4.10.2 I²C Control

43

44 DS679F1

44

4.10.3.1 Map Increment (INCR)

45

5. REGISTER QUICK REFERENCE

46

DS679F1 47

47

48 DS679F1

48

6. REGISTER DESCRIPTION

49

50 DS679F1

50

Power Down PGA X (PDN_PGAX)

50

Power Down ADC X (PDN_ADCX)

50

Power Down (PDN)

50

Auto-Detect Speed Mode (AUTO)

50

52 DS679F1

52

Master/Slave Mode (M/S)

52

6.5 MIC Control (Address 05h)

53

6.6 ADC Control (Address 06h)

54

56 DS679F1

56

ADCX Channel Mute (ADCX_MUTE)

56

6.9 DAC Control (Address 09h)

58

6.18 AOUTx Volume Control:

66

74 DS679F1

74

N CHRG_FREQ[3:0] Frequency

74

7. ANALOG PERFORMANCE PLOTS

75

76 DS679F1

76

NOTE: Graph shows the out

76

DS679F1 77

77

VA_HP = VA = 1.8 V

77

78 DS679F1

78

8.1 Auto Detect Enabled

79

8.2 Auto Detect Disabled

80

9. PCB LAYOUT CONSIDERATIONS

81

82 DS679F1

82

11.PARAMETER DEFINITIONS

83

12.PACKAGE DIMENSIONS

84

THERMAL CHARACTERISTICS

84

13.ORDERING INFORMATION

85

14.REFERENCES

85

15.REVISION HISTORY

86

DS679F1 87

87

Revision Changes

87

88 DS679F1

88

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