ADNS-3530

ADNS-3530 Datasheet


ADNS-3530 Low Power LED Integrated Slim Mouse Sensor

Part Datasheet
ADNS-3530 ADNS-3530 ADNS-3530 (pdf)
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ADNS-3530 Low Power LED Integrated Slim Mouse Sensor

Data Sheet

The ADNS-3530 LED optical mouse sensor is a small form factor SFF LED illuminated navigation system.

The ADNS-3530 is a low-power optical navigation sensor. It has a new, low-power architecture and automatic power management modes, making it ideal for batteryand power-sensitive applications such as cordless input devices.

The ADNS-3530 is capable of high-speed motion detection up to 20 ips and 8 g. In addition, it has an on-chip oscillator and integrated LED to minimize external components.

The ADNS-3530, along with the ADNS-3150-001 lens, forms a complete and compact mouse tracking system. There are no moving parts which means 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 fourwire serial port. It is packaged in a 16 I/O surface mountable package.

Theory of Operation

The ADNS-3530 is based on Optical Navigation Technology, which measures changes in position by optically acquiring sequential surface images frames and mathematically determining the direction and magnitude of movement.

The ADNS-3530 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 'x and 'y relative displacement values.

An external microcontroller reads the 'x and 'y information from the sensor serial port. The microcontroller then translates the data into PS2, USB, or RF signals 0before sending them to the host PC or game console.
x Low power architecture x Small form factor x Surface mount technology SMT device x Self-adjusting power-saving modes for longest battery
life x High speed motion detection up to 20 ips and 8 g x Self-adjusting frame rate for optimum performance x Motion detect pin output x Internal oscillator no clock input needed x Selectable 500 and 1000 cpi resolution x Wide operating voltage V - V nominal x Four wire serial port x Minimal number of passive components x Integrated chip-on-board LED
x Optical mice x Optical trackballs x Integrated input devices x Battery-powered input device

Pinout of ADNS-3530 Optical Mouse Sensor

Pin Name 1 MISO 2 SCLK 3 MOSI 4 MOTION 5 XY_LED 6 LED_GND 7 SHTDWN 8 LED + 9 LED - 10 AVDD 11 GND 12 GND 13 AGND 14 VDD 15 GND 16 NCS

Description Serial Data Output Master In/Slave Out Serial Clock Input Serial Data Input Master Out/Slave In Motion Detect Active Low Output LED Control Ground for LED Current Shutdown Active High Input LED Positive Terminal LED Negative Terminal Analog Supply Voltage Ground Analog Ground Supply Voltage Ground Chip Select Active Low Input

LED - 9 AVDD 10 GND 11 GND 12 AGND 13 VDD 14 GND 15

NCS 16

A3530 XYYWWZ
8 LED + 7 SHTDWN 6 LED-GND 5 XY-LED 4 MOTION 3 MOSI 2 SCLK 1 MISO

Figure Package outline drawing top view

PAD #1

OPTICAL CENTER

CL GUIDE HOLE A

PROTECTIVE KAPTON TAPE

NOTES DIMENSIONS IN MILLIMETERS INCHES . COPLANARITY OF PADS ± mm CUMULATIVE PITCH TOLERANCE ± mm PAD PITCH TOLERANCE ± mm MAXIMUM FLASH + mm DIMENSIONAL TOLERANCE UNLESS OTHERWISE

STATED ± mm

GUIDE HOLE B

Figure Package outline drawing

PAD #1

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

Overview of Optical Mouse Sensor Assembly

Avago Technologies provides an IGES file drawing describing the base plate molding features for lens and PCB alignment.

The components interlock as they are mounted onto defined features on the base plate.

The ADNS-3530 sensor is designed for surface mounting on a PCB, looking down. There is an aperture stop and features on the package that align to the lens.

The ADNS-3150-001 lens provides optics for the imaging of the surface as well as illumination of the surface at the optimum angle. Features on the lens align it to the sensor and base plate.

PAD #1 0

OPTICAL CENTER

Figure Recommended customer’s PCB PADOUT and spacing
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Datasheet ID: ADNS-3530 519979