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PDF ADNS-3090 Data sheet ( Hoja de datos )
| Número de pieza | ADNS-3090 | |
| Descripción | High-Performance Optical Mouse Sensor | |
| Fabricantes | PixArt | |
| Logotipo |  |
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Data Sheet
ADNS-3090
High-Performance Optical Mouse Sensor
Description
The ADNS-3090 is a high performance addition to PixArt
Imaging’ popular ADNS family of optical mouse
sensors.
The ADNS-3090 is based on a new, faster architecture with
improved navigation. The sensor is capable of sensing high
speed mouse motion - up to 60 inches per second and
acceleration up to 20g – for increased user precision and
smoothness.
The ADNS-3090 along with the ADNS-2120-001 trim lens,
ADNS-2220-001 assembly clip and HLMP-EG3E-xxxxx led
form a complete, compact optical 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 staggered dual inline
package (DIP).
Theory of Operation
The ADNS-3090 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.
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 illumination system. These images are processed
by the DSP to determine the direction and distance of
motion. The DSP calculates the Δx and Δy relative dis-
placement 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 or game console.
Features
High speed motion detection – up to 60 ips and 20g
Enhanced architecture for greatly improved optical
navigation technology
Programmable frame rate over 6400 frames per
second
SmartSpeed self-adjusting frame rate for optimum
performance
Serial port burst mode for fast data transfer
1800 cpi or 3600 cpi selectable resolution
Single 3.3 volt power supply
Four-wire serial port along with Chip Select, Power
Down, and Reset pins
Applications
Mice for game consoles and computer games
Mice for desktop PC’s, Workstations, and portable
PC’s
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
1 page  
PixArt Imaging Inc.
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43.96
1.731 Base Plate
19.10
0.752
Gap between sensor
lead and lens gate
0.119
0.005
Top of PCB to top
of lens flange
3.75
0.148
Plastic Spring
Clip
16.61 12.61
0.654 0.496
7.45
0.293
Bottom of sensor 1.98
to top of PCB 0.078
Surface
PCB
Sensor
Dimensions in millimeters / inches
Figure 4. 2D Assembly drawing of ADNS-3090 (top and side view)
3.00 Top of PCB to top
0.118 of lens gate
15.90
0.626
Base Plate
Alignment Post
NOTE: These new PixArt Imaging optical mouse sensors, lenses and clips have different physical configurations
that require a different PCB mounting method to optimize the navigation performance.
Refer Application Notes AN 5035 for further information.
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.
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AC Electrical Specifications
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, VDD3=3.3V, fclk=24MHz.
Parameter
VDD to RESET
Data delay
after RESET
Input delay
after reset
Power Down
Wake from NPD
Symbol
tOP
tPU-RESET
TIN-RST
tPD
tPUPD
Min. Typical
Data delay
after NPD
RESET pulse width
MISO rise time
MISO fall time
MISO delay
afterSCLK
MISO hold time
MOSI hold time
tCOMPUTE
tPW-RESET
tr-MISO
tf-MISO
tDLY-MISO
10
thold-MISO
thold-MOSI
250
200
40
40
MOSI setup time
SPI time between
write commands
tsetup-MOSI
tSWW
SPI time between
write and read
commands
tSWR
SPI time between
tSRW
read and subsequent tSRR
commands
SPI read
address-data
delay
tSRAD
SPI motion read
address-data
delay
tSRAD-MOT
NCS to SCLK active tNCS-SCLK
SCLK to NCS inactive tSCLK-NCS
120
50
50
250
50
75
120
120
NCS to MISO high-Z
SROM download and
frame capture
byte-to-byte delay
tNCS-MISO
tLOAD
10
Max. Units Notes
250 s
From VDD = 3.0V to RESET sampled
35 ms From RESET falling edge to valid motion data at
2000 fps and shutter bound 8290.
500 s
From RESET falling edge to inputs active (NPD,
MOSI, NCS, SCLK)
2.1 ms From NPD falling edge to initiate the power down
cycle at 500fps (tpd = 1 frame period + 100ms )
75 ms From NPD rising edge to valid motion data at
2000 fps and shutter bound 8290. Max assumes
surface change while NPD is low.
3.1 ms From NPD rising edge to all registers contain data
from new images at 2000fps (see Figure 10) .
s
200 ns
200 ns
120 ns
CL = 50pF
CL = 50pF
From SCLK falling edge to MISO data valid, no load
conditions
ns Data held until next falling SCLK edge
ns Amount of time data is valid after SCLK rising
edge
ns From data valid to SCLK rising edge
s From rising SCLK for last bit of the first data byte,
to rising SCLK for last bit of the second data byte.
s From rising SCLK for last bit of the first data byte,
to rising SCLK for last bit of the second address
byte.
ns From rising SCLK for last bit of the first data byte,
to falling SCLK for first bit of the second address
byte.
s From rising SCLK for last bit of the address byte,
to falling SCLK for first bit of data being read. All
registers except Motion & Motion_Burst
s From rising SCLK for last bit of the address byte, to
falling SCLK for first bit of data being read. Applies
to 0x02 Motion, and 0x50 Motion_Burst, registers
ns From NCS falling edge to first SCLK rising edge
ns From last SCLK falling edge to NCS rising edge, for
valid MISO data transfer
250 ns
From NCS rising edge to MISO high-Z state
s (see Figure 23 and 24)
NCS to burst mode
exit
tBEXIT
4
s Time NCS must be held high to exit burst mode
Transient Supply
Current
IDDT
85 mA Max supply current during a VDD3 ramp from 0 to
3.6V
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
11 PixArt Imaging Inc.
E-mail: [email protected]
11 Page | ||
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| PDF Descargar | [ Datasheet ADNS-3090.PDF ] | |
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