AK4611 datasheet(8/68 Pages) AKM

Part #	AK4611

Description	4/8-Channel Audio CODEC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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8 / 68 page

[AK4611]

MS1050-E-02

2010/06

- 8 -

No. Pin Name

I/O

Function

OVF2

O

Analog Input Overflow Detect 2 Pin (Note 1)

This pin goes to “H” if the analog input of Lch or Rch overflows.

64

DZF2

O

Zero Input Detect 2 Pin

(Note 2)

When the input data of the group 2 follow total 8192 LRCK cycles with “0” input data,

this pin goes to “H”. And when RSTN bit is “0”, PMDAC bit is “0”, this pin goes to “H”.

LIN1+

I

Lch Analog Positive Input 1 Pin (DIE1 bit = “H”)

65

LIN1

I

Lch Analog Input 1 Pin (DIE1 bit = “L”)

66

LIN1-

-

Lch Analog Negative Input 1 Pin (When DIE1 bit = “L”, this pin must be open.)

(Note 3)

RIN1+

I

Rch Analog Positive Input 1 Pin (DIE1 bit = “H”)

67

RIN1

I

Rch Analog Input 1 Pin (DIE1 bit = “L”)

68

RIN1-

-

Rch Analog Negative Input 1 Pin (When DIE1 bit = “L”, this pin must be open.)

(Note 3)

LIN2+

I

Lch Analog Positive Input 2 Pin (DIE2 bit = “H”)

69

LIN2

I

Lch Analog Input 2 Pin (DIE2 bit = “L”)

70

LIN2-

-

Lch Analog Negative Input 2 Pin (When DIE2 bit = “L”, this pin must be open.)

(Note 3)

RIN2+

I

Rch Analog Positive Input 2 Pin (DIE2 bit = “H”)

71

RIN2

I

Rch Analog Input 2 Pin (DIE2 bit = “L”)

72

RIN2-

-

Rch Analog Negative Input 2 Pin (When DIE2 bit = “L”, this pin must be open.)

(Note 3)

73

TST17

I

Test Pin

This pin must be open.

74

TST18

I

Test Pin

This pin must be open.

75

VSS1

-

Ground Pin, 0V

76

AVDD1

-

Analog Power Supply Pin, 3.0V

∼3.6V

77

VREFH1

I

Positive Voltage Reference Input Pin, AVDD1

78

VCOM

O

Common Voltage Output Pin, AVDD1x1/2

Large external capacitor around 2.2µF is used to reduce power-supply noise.

79

TST19

I

Test Pin

This pin must be open.

80

TST20

I

Test Pin

This pin must be open.

Note 1. This pin becomes OVF pin when OVFE bit is set to “1”.

Note 2. This pin becomes DZF pin when OVFE bit is set to “0”.

Note 3. This pin becomes analog negative input pin in differential input mode, and becomes output pin invert the positive

input pin in single-end input mode. This pin must be open in single-end input mode.

Note 4. All digital input pins except for pull-down must not be left floating.

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