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PDF ADNS-5050 Data sheet ( Hoja de datos )
| Número de pieza | ADNS-5050 | |
| Descripción | Optical Mouse Sensor | |
| Fabricantes | PixArt | |
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Data Sheet
ADNS-5050
Optical Mouse Sensor
Description
The ADNS-5050 is a mainstream, small form factor opti-
cal mouse sensor. It is a user-friendly product with many
built-in features and optimized for LED-based corded
products.
The ADNS-5050 is capable of high-speed motion detec-
tion – up to 30ips and 8g. In addition, it has an on-chip
oscillator and built-in LED driver to minimize external
components. Frame rate is also adjusted internally.
The ADNS-5050 along with the 5100-001 lens, LED clip
and HLMP-EG3E-xxxxx LED form a complete and com-
pact mouse tracking system. There are no moving parts,
which mean 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 three-
wire SPI interface. It is housed in an 8-pin staggered dual
in-line package (DIP).
Theory of Operation
The ADNS-5050 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-5050 contains an Image Acquisition System
(IAS), a Digital Signal Processor (DSP), and a three wire se-
rial 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 mo-
tion. The DSP calculates the Δx and Δy relative displace-
ment values.
An external microcontroller reads the Δx and Δy informa-
tion from the sensor serial port. The microcontroller then
translates the data into PS2 or USB signals before sending
them to the host PC.
Features
Small form factor, pin-to-pin compatible with
ADNS-5020-EN
Register-to-register compatible with ADNS-5020-EN
Built-in LED driver for simpler circuitry
High speed motion detection at 30 ips and up to 8g
Self-adjusting frame rate for optimum performance
Internal oscillator – no clock input needed
Default 500 cpi resolution, adjustable from 125 to 1375
cpi via 125 cpi step
Operating voltage: 5V nominal
Three-wire serial interface
Only 4 capacitors and no transistor required
Applications
Optical Mice
Optical trackballs
Integrated 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]
1 page  
PixArt Imaging Inc.
ADNS-5050 Optical Mouse Sensor
TOP VIEW
33.45
(1.317)
13.10
(0.516)
BASE PLATE
DIMENSIONS IN mm (INCHES)
10.58
(0.417)
(07..24953)TOP PCB to SURFACE
CROSS SECTION SIDE VIEW
SENSOR
PCB
0.43
(0.017)
LENS
LED CLIP
LED
2.40
(0.094)
BOTTOM
of
LENS
FLANGE
to
SURFACE
NAVIGATION SURFACE
Figure 4. 2D Assembly drawing of ADNS-5050 (top and side views).
BASE PLATE
ALIGNMENT POST
(OPTIONAL)
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]
5
5 Page 
PixArt Imaging Inc.
ADNS-5050 Optical Mouse Sensor
DC Electrical Specifications
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, VDD = 5.0 V.
Parameter
Symbol Minimum Typical Maximum Units Notes
DC Supply Current
IDD_AVG
13.0 16.0
mA Average sensor current, at max frame
rate. No load on SDIO.
Idle Supply Current
IDD_IDLE
11.0
mA
Power Down Supply Current IDD_PD
180 250
μA SCLK, NCS, NRESET, SDIO=VDD
Input Low Voltage
VIL
0.5 V SCLK, SDIO, NCS, NRESET
Input High Voltage
VIH VDD – 0.5
V SCLK, SDIO, NCS, NRESET
Input Hysteresis
VI_HYS
200
mV SCLK, SDIO, NCS, NRESET
Input Leakage Current
Ileak
±1 ±10 μA Vin = VDD-0.6 V, SCLK, SDIO, NCS,
NRESET
XY_LED Current
(pin voltage range should
be greater than 0.8 V.)
IXY_LED
45
mA Average current at maximum
frame rate.
XY_LED Current
(pin voltage range should
be greater than 0.8 V.)
IXY_PK
45 51.5 mA Peak current at maximum frame rate.
Follow recommended schematics in
Figure 8 to ensure DC current flowing
through LED during run mode is within
LED's absolute maximum limit.
Output Low Voltage
VOL
0.7 V Iout = 1 mA, SDIO
Output High Voltage VOH VDD-0.7
V Iout = -1 mA, SDIO
Input Capacitance
Cin
50 pF
Frame Rate
FR
4500 fps Internally adjusted by sensor
(value shown is based on internal
oscillator frequency of 28MHZ)
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]
11
11 Page | ||
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| PDF Descargar | [ Datasheet ADNS-5050.PDF ] | |
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