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PDF ADNB-3080 Data sheet ( Hoja de datos )
| Número de pieza | ADNB-3080 | |
| Descripción | High-performance Optical Mouse Sensor | |
| Fabricantes | Agilent | |
| Logotipo |  |
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Agilent ADNS-3080
High-performance
Optical Mouse Sensor
Data Sheet
Description
The ADNS-3080 is a high
performance addition to Agilent’s
popular ADNS family of optical
mouse sensors.
The ADNS-3080 is based on a
new, faster architecture with
improved navigation. The sensor
is capable of sensing high speed
mouse motion - up to 40 inches
per second and acceleration up
to 15g – for increased user
precision and smoothness.
The ADNS-3080 along with the
ADNS-2120 (or ADNS-2120-001)
lens, ADNS-2220 (or ADNS-
2220-001) assembly clip and
HLMP-ED80-XX000 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-3080 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.
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 ∆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 or USB
signals before sending them to
the host PC or game console.
Features
• High speed motion detection – up
to 40 ips and 15g
• New 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
• 400 or 1600 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
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Figure 4. 2D Assembly drawing of ADNS-3080 (top and side view)
NOTE: These new Agilent 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.
5
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AC Electrical Specifications
Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, VDD3=3.3V, fclk=24MHz.
Parameter
Symbol Minimum Typical Maximum Units Notes
VDD to RESET
tOP
250 µs From VDD = 3.0V to RESET sampled
Data delay after
RESET
tPU-RESET
35 ms From RESET falling edge to valid motion data at 2000
fps and shutter bound 8290.
Input delay after reset TIN-RST
500 µs From RESET falling edge to inputs active (NPD,
MOSI, NCS, SCLK)
Power Down
tPD
2.1 ms From NPD falling edge to initiate the power down
cycle at 500fps (tpd = 1 frame period + 100ms )
Wake from NPD
tPUPD
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.
Data delay after NPD tCOMPUTE
3.1 ms From NPD rising edge to all registers contain data
from new images at 2000fps (see Figure 10) .
RESET pulse width tPW-RESET 10
µs
MISO rise time
tr-MISO
MISO fall time
tf-MISO
MISO delay after SCLK tDLY-MISO
40 200
40 200
120
ns CL = 50pF
ns CL = 50pF
ns From SCLK falling edge to MISO data valid, no load
conditions
MISO hold time
MOSI hold time
MOSI setup time
SPI time between
write commands
thold-MISO
thold-MOSI
tsetup-MOSI
tSWW
250
200
120
50
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
µs From rising SCLK for last bit of the first data byte, to
rising SCLK for last bit of the second data byte.
SPI time between
write and read
commands
tSWR
50
µs From rising SCLK for last bit of the first data byte, to
rising SCLK for last bit of the second address byte.
SPI time between read tSRW
and subsequent
tSRR
commands
250
ns From rising SCLK for last bit of the first data byte, to
falling SCLK for first bit of the second address byte.
SPI read address-data tSRAD
delay
50
µs 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
SPI motion read
address-data delay
tSRAD-MOT
75
µs 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
NCS to SCLK active tNCS-SCLK
SCLK to NCS inactive tSCLK-NCS
120
120
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
NCS to MISO high-Z tNCS-MISO
SROM download and tLOAD
frame capture byte-to-
byte delay
10
250 ns From NCS rising edge to MISO high-Z state
µs (see Figure 23 and 24)
NCS to burst mode
exit
tBEXIT
4
µs 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
11
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