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ADNS-3040 Datasheet(PDF) 1 Page - Agilent(Hewlett-Packard)

Part No. ADNS-3040
Description  Ultra Low-Power Mouse Sensor
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Maker  HP [Agilent(Hewlett-Packard)]
Homepage  http://www.home.agilent.com
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ADNS-3040 Datasheet(HTML) 1 Page - Agilent(Hewlett-Packard)

 
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Agilent ADNS-3040
Ultra Low-Power Mouse Sensor
Data Sheet
Description
The ADNS-3040 is an ultra
low-power optical navigation
sensor. It has a new, low-
power architecture and
automatic power management
modes, making it ideal for
battery-and power-sensitive
applications such as cordless
input devices.
The ADNS-3040 is capable of
high-speed motion detection –
up to 20 ips and 8G. In
addition, it has an on-chip
oscillator and LED driver to
minimize external components.
The ADNS-3040 along with the
ADNS-3120-001 lens, ADNS-
2220 clip and HLMP-ED80-
PS000 LED form 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 four-wire
serial port. It is packaged in a
20-pin DIP.
Theory of Operation
The ADNS-3040 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-3040 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 before sending them to
the host PC or game console.
Features
••••• Low power architecture
••••• Self-adjusting power-saving
modes for longest battery life
••••• High speed motion detection up to
20 ips and 8G
••••• SmartSpeed self-adjusting frame
rate for optimum performance
••••• Motion detect pin output
••••• Internal oscillator – no clock input
needed
••••• Selectable 400 and 800 cpi
resolution
••••• Wide operating voltage: 2.5V-3.6V
nominal
••••• Four wire serial port
••••• Minimal number of passive
components
Applications
••••• Optical Mice
••••• Optical trackballs
••••• Integrated input devices
••••• Battery-powered input devices


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