2

Pinout

Pin

Name

Description

1

NCS

Chip select

(active low input)

2

MISO

Serial data output

(Master In/Slave Out)

3

SCLK

Serial clock input

4

MOSI

Serial data input

(Master Out/Slave In)

5

LED_CTRL

LED control output

6

RESET

Reset input

7

NPD

Power down

(active low input)

8

OSC_OUT

Oscillator output

9

GUARD

Oscillator GND for PCB guard

(optional)

10

OSC_IN

Oscillator input

11

NC

No connect

12

OPTP

Connect to VDD3

13

REFC

Reference capacitor

14

REFB

Reference capacitor

15

VDD3

Supply voltage

16

GND

Ground

17

VDD3

Supply voltage

18

NC

No connect

19

GND

Ground

20

NC

No connect

Figure 1. Package outline drawing (top view)

Item

Marking

Remarks

Product Number

A3090

Date Code

XYYWWZ

X = Subcon Code

YYWW = Date Code

Z = Sensor Die Source

Lot Code

VVV

Numeric

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Product Number

Date Code

Lot Code

PixArt Imaging Inc.

ADNS-3090 High-Performance Optical Mouse Sensor

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PixArt Imaging Inc.