ADNS-5712

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ADNS-5712-GDS-R1.2 20160902

8

3. Reference Circuit Schematics

The reference circuit below is an example for a red LED based mouse application with 12 buttons, one Logo LED, one set of basic RGB

LED and 3 sets of additional RGB LED.

U1

D-

3

LED

7

VDD5V

4

S0

8

Z1

9

D+

2

VSS

5

VDD33Q

6

P0

10

P1

11

P2

12

Z2

13

P3

14

S1

1

R7

100

Logo breathing light

R6

33

Additional RGB LED indicator

(Red)

(Green)

(Blue)

Sensor - ADNS-5712

Indicator

ENSW1

Z1

Z2

COM

Z2

R13 2k

Z1

BL

Button and Wheel

BR

BM

B4

B5

CPI

C12

10uF

C10

22uF

U2

ACE1117-33XM+

B7

C11

1uF

C13

1uF

ADNS-5712

B8

B9

B10

B11

B12

C7

0.1uF

+

C8

22uF

Q1

3906

1

S0

Z1

VDD5V

VDD33

S1

R9 2k

Q2

3906

1

R5

33

R10 2k

R11 2k

R12 2k

Q3

3906

1

JP1

USB CABLE

VBUS

1

D-

2

D+

3

GND

4

Shield

5

P0

Suitable for common

anode RGB LED

P1

R1 0

D3 Red LED

R2 0

P2

R8 33

VDD5V

P3

C2

NA

C1

NA

D+

Net_P0

Net_P1

D+N

D-

R3 0

P1

C6

NA/0.1uF

P2

+

C4

10uF

LTST-G683GEBW

Blue

Green

G

R

B

D4

SMD RGB LED

RG1

75

RR1

220

RB1

75

RG2

75

+

C5

NA/10uF

LTST-008RGB-SN

D5

SIDE SMD RGB LED

RB2

75

RR2

220

RG3

75

LTST-008RGB-SN

D6

SIDE SMD RGB LED

RB3

75

RR3

220

Red

P0

VDD33

+

C9

10uF

Net_P2

VDD5V

Net_P3

R4

220

D-N

C3

0.1uF

VDD33Q

D2

RGB LED

VDD33Q

(Blue)

(Green)

(Red)

P3

S0

P0

P1

S1

P2

Z1

D1

LED

Z2

Figure 8. Application Circuit

Cautions of the circuit adjustment of the EMI test

Please observe the following rules to make sure pass the USB IF test.

Part

Typ

Max

Unit

Part

Typ

Max

Unit

R1

0

51

ohm

R3

0

1

ohm

R2

0

51

ohm

C4

10

22

uF

C1

NA

47

pF

C8

22

22

uF

C2

NA

47

pF

C5

NA

NA

uF