ADNS-3000 - Low Power Optical Mouse Sensor - EPS Global

ADNS-3000

Low Power Optical Mouse Sensor

Data Sheet

Description

The PixArt Imaging ADNS-3000 is a low power, small form factor optical mouse sensor. It has a new low-power architecture and automatic power management modes, making it ideal for battery, power-sensitive applications – such as cordless input devices.

The ADNS-3000 is capable of high-speed motion detec-tion – up to 30 ips and 20 g. In addition, it has an on-chip oscillator and requires an external resistor to set the LED current.

The ADNS-3000 along with the ADNS-5110-001 lens, or ADNS-5120-002 trim lens and HSDL-4261 IR LED orHLMP-EG3E-xxxxx Red LED form a complete and compact mouse tracking system.There are no moving parts and this translates to high reliability and less maintenance for the end user. In addition, precision optical alignment is not required, facilitating high volume assembly.

The sensor is programmed via registers through a four-wire serial port. It is housed in an 8-pin staggered dual in-line package (DIP).

Features

Low Power Architecture

Small Form Factor

Programmable Periods / Response Times and Downshift Times from one mode to another for the Power-saving Modes

High Speed Motion Detection up to 30 ips and 20 g

External Interrupt Output for Motion Detection

Internal Oscillator – no clock input needed

Selectable Resolution of up to 2000 cpi

Operating Voltage: as low as 1.7 V

Four-wire Serial Port Interface

Applications

Optical mice and optical trackballs

Integrated input devices

Battery-powered input devices

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. PixArt Imaging Inc. E-mail: [email protected]

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Pinout of ADNS-3000 Optical Mouse Sensor

Pin Name

Input/

Output Description

1 MISO O Serial Data Output (Master In/Slave Out)

2 LED I LED Illumination

3 MOTION O Motion Interrupt Output (Default active low, edge triggered)

4 NCS I Chip Select (Active low input)

5 SCLK I Serial Clock

6 GND I Ground

7 VDD I Supply Voltage

8 MOSI I Serial Data Input(Master Out/Slave In)

Figure 1. Package Outline Drawing (Top View)

Theory of Operation

The ADNS-3000 is based on Optical Navigation Technol-ogy, which measures changes in position by optically acquiring sequential surface images (frames) and math-ematically determining the direction and magnitude of movement.

The ADNS-3000 contains an Image Acquisition System (IAS), a Digital Signal Processor (DSP), and a four wire serial port.

The IAS acquires microscopic surface images via the lens and illumination system. These images are processed by the DSP to determine the direction and distance of motion. The DSP calculates the Dx and Dy relative dis-placement values

An external microcontroller reads and translates the Dx and Dy informa tion from the sensor serial port into PS2, USB, or RF signals before sending them to the host PC.

Item Marking Remarks

Product Number A3000

Date Code XYYWWZ X = Subcon CodeYYWW = Date CodeZ = Sensor Die Source

Lot Code VVV Numeric


PixArt Imaging Inc.

ADNS-3000 Low Power Optical Mouse Sensor

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Figure 2. Package Outline Drawing

CAUTION: It is advised that normal static precautions be taken in handling and assembling of this component to prevent damage and/or degradation which may be induced by ESD.

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

PixArt Imaging Inc. E-mail: [email protected]

PixArt Imaging Inc.


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Overview of Optical Mouse Sensor Assembly

PixArt Imaging provides an IGES fi le drawing de scribing the base plate molding features for lens and PCB align-ment. The ADNS-3000 sensor is designed for mounting on a through-hole PCB, looking down. There is an aperture stop and features on the package that align to the lens. The ADNS-5110-001 and ADNS-5120-002 lens provides optics for the imaging of the surface as well as the illumination of the surface at the optimum angle. Features on the lens align, base it to the sensor plate, and clip with the LED. The LED clip holds the LED in relation to the lens. The LED must be inserted into the clip and the LED’s leads formed prior to loading on the PCB. The LEDs recommended for illumination include, HSDL-4261 IR LED HLMP-EG3E-xxxxx Red LED.

Figure 3. Recommended PCB Mechanical Cutouts and Spacing


PixArt Imaging Inc.


2x AA Battery

1.9V Regulator Block

Z-Encoder

+CPI

Left Button

Right Button

Middle Button

1

3 2

CO

M

NC

NO

SW

2

1

3 2

CO

M

NC

NO

SW

3

1

3 2

CO

M

NC

NO

SW

4

COM

3B

2A

1

Q1

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OD

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SW

5

TA

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VDD_RF

RF Voltage Selection

VCC_DC1

JTAG CONNECTOR

CO

M

ZA

ZB

R1

4

1M

R1

3

1M

VDD_RF

S1

S4

S3

S3

R1

B+

ON

OFF

VBAT

1

2

3S

W1

SL

IDE

SW

SP

DT

1 2

P1

B-

BT

1

2A

A B

AT

TE

RY

VDD_LED

LED Voltage Selection

P4

P5

VCC_DC1

VDD_SENSOR

Sensor Voltage Selection

P1

8P

19

VCC_DC1

VBAT

VCC_DC1

Voltage Measuremen

VB

AT

GN

D

VDD_LED

VD

D_

LE

D

1P1

2

1P1

3

1P1

4

1P1

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P1

0P

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1

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+8

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CO

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B_

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7/2

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S2

R2

S1

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RF MODULE

RE

SE

T

RE

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RO

G

MS

CK

COM

MOTION

R1

R2

S1

S2

S3

S4

R0

MISO

MOSI

ZA

ZB

VDD_RF

RF Module PCB

RESET

19

P1.4

18

P1.3

17

P1.216

P1.014

P0.612

P0.713

P0.511

PROG

6

P0.3

7

P0.1

1

P0.2

5

P0.410

P1.115

P1.528

P1.629

GND1

GND2

GND3

GND4

GND5

GND6

GND7

GND8

GND9

VDD

P2

0

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R1

= 1

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2 =

45

3k

VC

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Sensor Block

VDD_LED

C1

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R1

7

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C9

2.2

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VDD_SENSOR

R5

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R

R1

0

1M

R1

1

1M

R1

2

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7

GND6

5

8

XY_LED

2

14

MOTION

3

U5

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MO

SI

CS

MIS

O

MS

CK

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P2

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VCC_DC1

VDD_SENSOR

R6

1M

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R0

VC

C_

DC

1

VOUT

4

FB

2VIN

1

EN

6

GND

3

L5

U1

TP

S6

12

20

1 2 3

P2

4

C5

10

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V

C1

10

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VBAT

L1

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R1

1M

3

R2

45

3k

1 2

P1

6

VCC_DC1

C6

10

0n

F

C8

4.7

uF

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V

C1

0

4.7

uF

/10

V

SCLK

MISO

VDD

NCS

MOSI

t

R7

1M

VDD_SENSOR

P0.032

RE

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TP

RO

G

MS

CK

COM

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R1

R2

S1

S2

S3

S4

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5

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Figure 8a.Schematic diagram of the mouse cordless application.

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C4

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C6

22pF

C7

22pF

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C2

100n

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L2

6.8n

H

L1

4.7n

H

L3

6.8n

H

C8

1.5p

F

C9

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C11

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C12

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P1

P5

P6

P7

P10

P11

P12

P13

P14

P15

P16

P17

P18

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P28

P29

P32

VD

D

GN

D1

GN

D2

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3

GN

D4

GN

D5

GN

D6

GN

D7

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D8

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C15 5pF

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R7

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R5

10k

R2

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C11

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C7

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C2

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C10

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Table 1. Absolute Maximum Ratings

Parameter Symbol Minimum Maximum Units Notes

Storage Temperature TS -40 85 C

Operating Temperature TA -15 55 C

Lead Solder Temperature VO 260 C For 10 seconds, 1.6 mm below seating plane.

Supply Voltage VDD -0.5 2.2 V

ESD 2 kV All pins, human body model JESD22-A114

Input Voltage VIN -0.5 2.1 V All I/O pins

Table 2. Recommended Operating Condition

Parameter Symbol Min Typ. Max Units Notes

Operating Temperature TA 0 40 C

Power Supply Voltage VDD 1.7 1.8 2.1 V

Power Supply Rise Time TRT 0.15 20 ms 0 to VDD min

Supply Noise (Sinusoidal) VNA 100 mVp-p 10 kHz –50 MHz

Serial Port Clock Frequency fSCLK 1 MHz 50% duty cycle

Distance from Lens Reference Plane to Tracking Surface (Z)

Z 2.3 2.4 2.5 mm

Speed 1 S 0 30 ips At default frame rate

Acceleration a 20 g At run mode

Load Capacitance Cout 100 pF MISO and MOTION

Note:1. For higher than 500 dpi setting, use 12-bit motion reporting to achieve the maximum speed

Design Considerations for Improved ESD Performance

For improved electrostatic discharge performance, typical creepage and clearance distance are shown in the table below. Assumption: base plate construction is as per the PixArt Imaging supplied IGES fi le and ADNS-5110-001or ADNS-5120-002 lens. Note that the lens material ispolycarbonate or polysty rene HH30. Therefore, cyanoacrylate based adhesives or other adhesives that may damage the lens should NOT be used.

Typical Distance (mm)

Creepage 16.0Clearance 2.0

Regulatory Requirements

Passes FCC B and worldwide analogous emission limits when assembled into a mouse with shielded cable and following PixArt Imaging recommendations.

UL fl ammability level UL94 V-0.



PixArt Imaging Inc.


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Table 4. DC Electrical Specifi cations

Electrical characteristics over recommended operating conditions. Typical values at 25° C, VDD = 1.9 V, VDDLED = 1.9 V, IRLED HSDL-4261, ILED DC = 5mA

Parameter Symbol Min Typ. Max Units Notes

DC Supply Current in Various Mode

IDD_AVG 1.44 mA Average sensor current at max frame rate. No load on MISO

Average LED current at max frame rate. No load on MISO

IDD_REST1 108 A

IDD_REST2 28 A

IDD_REST3 12 A

IDDLED_AVG 0.3 mA

IDDLED_REST1 62 A

IDDLED_REST2 15 A

IDDLED_REST3 4 A

Power Down Current 10 A

Input Low Voltage VIL 0.3* VDD V SCLK, MOSI, NCS

Input High Voltage VIH 0.7* VDD V SCLK, MOSI, NCS

Input Hysteresis VI_HYS 200 mV SCLK, MOSI, NCS

Input Leakage Current Ileak +/-1 +/-10 A Vin = VDD or 0 V

Output Low Voltage VOL 0.45 V Iout = 1 mA, MISO, MOTION

Output High Voltage VOH VDD -0.45 V Iout = -1 mA, MISO, MOTION

Input Capacitance Cin 50 pF MOSI, NCS, SCLK



PixArt Imaging Inc.


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Registers

The ADNS-3000 registers are accessible via the serial port. The registers are used to read motion data and status as well as to set the device confi guration.

Address Register Name Register Description Read/Write Default Value

0x00 PROD_ID Product ID R 0x2A

0x01 REV_ID Revision ID R 0x00

0x02 MOTION_ST Motion Status R 0x00

0x03 DELTA_X Lower byte of Delta_X R 0x00

0x04 DELTA_Y Lower byte of Delta_Y R 0x00

0x05 SQUAL Squal Quality R 0x00

0x06 SHUT_HI Shutter Open Time (Upper 8-bit) R 0x00

0x07 SHUT_LO Shutter Open Time (Lower 8-bit) R 0x64

0x08 PIX_MAX Maximum Pixel Value R 0xD0

0x09 PIX_ACCUM Average Pixel Value R 0x80

0x0a PIX_MIN Minimum Pixel Value R 0x00

0x0b PIX_GRAB Pixel Grabber R/W 0x00

0x0c DELTA_XY_HIGH Upper 4 bits of Delta X and Y displacement R 0x00

0x0d MOUSE_CTRL Mouse Control R/W 0x01

0x0e RUN_DOWNSHIFT Run to Rest1 Time R/W 0x08

0x0f REST1_PERIOD Rest1 Period R/W 0x01

0x10 REST1_DOWNSHIFT Rest1 to Rest2 Time R/W 0x1f

0x11 REST2_PERIOD Rest2 Period R/W 0x09

0x12 REST2_DOWNSHIFT Rest2 to Rest3 Time R/W 0x2f

0x13 REST3_PERIOD Rest3 Period R/W 0x31

0x22 PERFORMANCE Performance R/W 0x00

0x3a RESET Reset W 0x00

0x3f NOT_REV_ID Inverted Revision ID R 0xff

0x40 LED_CTRL LED Control R/W 0x00

0x41 MOTION_CTRL Motion Control R/W 0x40

0x42 BURST_READ_FIRST Burst Read Starting Register R/W 0x03

0x45 REST_MODE_CONFIG Rest Mode Confi guration R/W 0x00

0x63 MOTION_BURST Burst Read R 0x00



PixArt Imaging Inc.


ADNS-3000 - Low Power Optical Mouse Sensor - EPS Global

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