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PDF ADNS-7050 Data sheet ( Hoja de datos )
| Número de pieza | ADNS-7050 | |
| Descripción | Laser Mouse Sensor | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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ADNS-7050
Laser Mouse Sensor
Data Sheet
Description
The Avago Technologies ADNS-7050 sensor along with
the ADNS-6120 or ADNS-6130-001 lens, ADNS-6130-001
clip and ADNV-6340 VCSEL form a complete and laser
mouse tracking system. It is the laser illuminated sys-
tem enabled for cordless application. Powered by Avago
Technologies LaserStreamTM technology, it can operate
on many surface that proved difficult for traditional LED-
based optical navigation. It’s low power architecture is
capable of sensing mouse motion while prolonging bat-
tery life, two performance areas essential in demanding
cordless applications.
There is no moving part, in the complete assembly for
ADNS-7050 laser mouse system, thus it is high reliability
and less maintenance for the end user. In addition, preci-
sion optical alignment is not required, facilitating high
volume assembly.
Theory of Operation
The ADNS-7050 is based on LaserStream™ Technology,
which measures changes in position by optically acquir-
ing sequential surface images (frames) and mathemati-
cally determining the direction and magnitude of move-
ment.
The ADNS-7050 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 dis-
tance of motion. The DSP calculates the ∆x and ∆y rela-
tive 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
x Low power architecture
x New LaserStream™ technology
x Self-adjusting power-saving modes for longest
battery life
x Speed motion detection up to 20 ips and 8g
x Enhanced SmartSpeed self-adjusting frame rate for
optimum performance
x Motion detect pin output
x Internal oscillator – no clock input needed
x Selectable 400 and 800 cpi resolution
x Wide operating voltage: 2.7 V-3.6 V nominal
x Four wire serial port
x Minimal number of passive components
x Laser fault detect circuitry on-chip for Eye Safety
Compliance
Applications
x Laser mice
x Optical trackballs
x Integrated input devices
x Battery-powered input devices
1 page  
2D Assembly Drawing of ADNS-7050, PCBs and Base Plate
ADNS-7050 (SENSOR)
USTOMER SUPPLIED PCB
ADNS-6130-001 (LENS)*
CUSTOMER SUPPLIED VCSEL PCB
ADNV-6340 (VCSEL)
ADNS-6230-001 (CLIP)
R SUPPLIED BASE PLATE
OMMENDED FEATURES
DRAWING
S-6120 FOR ROUND LENS
Figure 4. Exploded view drawing.
Shown with ADNS-6130-001 Laser Mouse Lens, ADNS-
6230-001 VCSEL Assembly Clip and ADNV-6340 VCSEL.
The components interlock as they are mounted onto de-
fined features on the base plate.
The ADNS-7050 laser mouse 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 ADNV-6340 VCSEL is recommended for illumination,
provides a laser diode with a single longitudinal and a
single transverse mode. It is particularly suited as lower
power consumption and highly coherent replacement
of LEDs. It also provides wider operation range while still
remaining within single-mode, reliable operating condi-
tions.
The ADNS-6120 or ADNS-6130-001 Laser Mouse Lens is
designed for use with ADNS-7050 sensor and the illu-
mination subsystem provided by the assembly clip and
the VCSEL. Together with the VCSEL, the lens provides
the directed illumination and optical imaging necessary
for proper operation of the Laser Mouse Sensor. ADNS-
6120 and ADNS-6130-001 are precision molded optical
components and should be handled with care to avoid
scratching of the optical surfaces. ADNS-6120 also has a
large round flange to provide a long creepage path for
any ESD events that occur at the opening of the base
plate.
The ADNS-6230-001 VCSEL Assembly Clip is designed to
provide mechanical coupling of the ADNV-6340 VCSEL
to the ADNS-6120 or ADNS-6130-001 lens. This coupling
is essential to achieve the proper illumination alignment
required for the sensor to operate on a wide variety of
surfaces.
Avago Technologies provides an IGES file drawing de-
scribing the base plate molding features for lens and PCB
alignment.
5
5 Page 
Absolute Maximum Ratings
Parameter
Symbol
Storage Temperature
Lead Solder Temp
TS
Supply Voltage
ESD
VDD
Input Voltage
Latchup Current
VIN
Iout
Minimum
-40
-0.5
-0.5
Maximum
85
260
3.7
2
VDD + 0.5
20
Units
ºC
ºC
V
kV
V
mA
Notes
For 10 seconds, 1.6 mm below seating
plane.
All pins, human body model MIL 883
Method 3015
All Pins
All Pins
Recommended Operating Conditions
Parameter
Symbol
Operating Temperature
TA
Power Supply Voltage
VDD
Power Supply Rise Time
VRT
Supply Noise (Sinusoidal) VNA
Serial Port Clock Frequency fSCLK
Distance from Lens Reference Z
Plane to Surface
Speed
S
Acceleration
A
Load Capacitance
Voltage at XY_LASER
Cout
Vxy_laser
Minimum
0
2.7
1
2.18
0.3
Typical
2.8
2.40
Maximum
40
3.6
100
100
1
2.62
20
8
100
VDD
Units
ºC
V
ms
mVp-p
MHz
mm
in/sec
g
pF
V
Notes
Including noise
0 to 2.8 V
10 kHz - 50 MHz
Active drive, 50% duty cycle
Results in ±0.2 mm minimum
DOF. See Figure 10.
MOTION, MISO
SENSOR
SENSOR PCB
VCSEL PCB
CLIP
2.40
(0.094)
LENS
SURFACE
Figure 10. Distance from lens reference plane to surface, Z.
11
11 Page | ||
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| PDF Descargar | [ Datasheet ADNS-7050.PDF ] | |
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