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ADNS-7550 Datasheet Preview

ADNS-7550 Datasheet

Integrated molded lead-frame DIP Sensor

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ADNS-7550 pdf
ADNS-7550
Integrated molded lead-frame DIP Sensor
Data Sheet
Theory of Operation
The ADNS-7550 integrated molded lead-frame DIP
sensor comprises of sensor and VCSEL in a single
package.
The advanced class of VCSEL was engineered by PixArt
Imaging to provide a laser diode with a single lon-
gitudinal and a single transverse mode. In contrast to
most oxide-based single-mode VCSEL, this class of PixArt
VCSEL remains within single mode operation over a wide
range of output power. It has significantly lower power
consumption than a LED. It is an excellent choice for
optical navigation applications.
The sensor is based on Laser technology, which
measures changes in position by optically acquiring se-
quential surface images (frames) and mathematically
determining the direction and magnitude of movement.
It 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 il-
lumination system. These images are processed by the
DSP to determine the direction and distance of motion.
The DSP calculates the Δx and Δy relative displacement
values. An external microcontroller reads the Δx and Δy
information from the sensor serial port. The microcon-
troller then translates the data into PS2, USB, or RF signals
before sending them to the host PC or game console.
Features
Wide operating voltage: 4.0V-5.25V.
Small form factor, integrated molded lead-frame chip-
on-board package
Laser Technology
High speed motion detection up to 30 ips and 8g
Enhanced SmartSpeed self-adjusting frame rate for
optimum performance
Motion detect pin output
12-bits motion data registers.
Internal oscillator – no clock input needed.
Selectable 400, 800, 1200, 1600, 2000 cpi resolution.
Four wire serial port
Minimal number of passive components
Laser fault detect circuitry on-chip for Eye Safety
Compliance
Advanced Technology VCSEL chip
Single Mode Lasing operation
832-865 nm wavelength
Applications
Laser Mice
Optical trackballs
Integrated molded lead-frame 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: fae_service@pixart.com.tw




PixArt
PixArt

ADNS-7550 Datasheet Preview

ADNS-7550 Datasheet

Integrated molded lead-frame DIP Sensor

No Preview Available !

ADNS-7550 pdf
PixArt Imaging Inc.
ADNS-7550 Integrated Molded Lead-Frame DIP Sensor
Pinout of ADNS-7550 Optical Mouse Sensor
Pin Name
Description
1 VCSEL+VE Positive Terminal of VCSEL
2 LASER_NEN LASER Enable (Active LOW)
3 NCS
Chip select (active low input)
4 MISO
Serial data output (Master In/Slave Out)
5 SCLK
Serial clock input
6 MOSI
7 MOTION
8 XYLASER
9 VDD5
10 NC
Serial data input (Master Out/Slave In)
Motion Detect (active low output)
XYLASER
5V Input
No Connection
11 GND
12 RefB
13 RefA
14 DGND
Ground
3V output
1.8V regulator output
Digital Ground
15 VDDIO
16 VCSEL-VE
IO Voltage input (1.65~3.6V)
Negative Terminal of VCSEL
1 Product Number
16
2
15
3
14
4
13
5
12
6
11
7 Date Code
10
8
9
Lot Code
Vcsel Binning
Item
Product Number
Date Code
VCSEL Binning
Lot Code
Marking
A7550
XYYWWZV
KL
VVV
Remarks
X = Subcon Code
YYWW = Date Code
Z = Sensor Die Source
V = VCSEL Die Source
Numeric
Figure 1. Device pin-out for ADNS-7550
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: fae_service@pixart.com.tw

2


Part Number ADNS-7550
Description Integrated molded lead-frame DIP Sensor
Maker PixArt
Total Page 30 Pages
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