PixArt Imaging Inc.

PAC7301/PAC7302

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23

PixArt Imaging Inc.

V1.4 Nov 2007

8.4 LGA Package (PAC7302LG)

CON1

MINI USB 5P

6

9

7

8

HC1

HC4

HC2

HC3

VDDPGA33

VDDADC33

VDDAY

R7

1M

VDD_5V

EPR_Enh

C10

0.1uF_N.M.

R26

5.1k

VDDD

C17

1uF

U3

KEY

C28

10uF

R6

10k

R27

0

VDDQ

C20

10uF_N.M.

VDDD

USBGND

VDD_5V

X1

MICROPHONE

D1

LED-0603

VDDAY

VDDQ

MIC_P

MIC_N

DP

L1

3.3uH

C31

10uF

R22

0

OSC_IN

VDDMIC28

C6

0.1uF

L3

short

VDDMD5

VDDADC33

VDDA33

C14

10uF

C25

1uF

C26

0.1uF_N.M.

+

C19

10uF

VCOM

OSC_OUT

C9

1uF

VSSQ

+

C32

22uF

VDDMD5

C22

0.1uF

VDDA

VDDQ

C27

10uF_N.M.

C5

10pF

L2

3.3uH

C23

0.1uF

C7

10uF

C1

1uF

VDDMA5

R4

0

C12

0.1uF

C3

10pF

C30

0.1uF_N.M.

C21

10uF_N.M.

R10

27

USBGND

R19

0 or 3.3uH

VDDMD5

R16

10M

C13

1uF

C2

2.2uF

U2

PAC7301/7302LG

4

3

2

1

24

23

22

21

20

19

18

17

16

8

7

6

5

MIC_N

VSSA_AUDIO

VDDADC33

GPO1

EPR_EnH

VSSD

VDDD

VDDMD5

VDDQ

OSC_OUT

OSC_IN

DN

DP

VDDPGA33

VCOM

VDDMIC28

MIC_P

C8

1uF

VDDAY M

VDDPGA33

GPO1

Y1

12MHz

C4

2.2uF

R8

2.2k

R2

300k

VDDA

R11

1.5K

C11

22uF

R18

0 or 3.3uH

R28

100k

DN

VDDMIC28

C29

4.7nF/250V

0

R1

1k

C18

1uF

R5

10k

DP

VSSA

R3

2.2k

VDDMA5

R9

27

C24

10uF

L4

short