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PDF ADNB-3552 Data sheet ( Hoja de datos )
| Número de pieza | ADNB-3552 | |
| Descripción | Low Power LED Integrated Slim Mouse Sensor | |
| Fabricantes | Avago | |
| Logotipo |  |
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ADNB-3552
Low Power LED Integrated Slim Mouse Sensor
Data Sheet
Description
The ADNB-3552 LED mouse bundle is a small form
factor (SFF) LED illuminated navigation system. The
bundle consists of an integrated chip-on-board (COB)
LED mouse sensor ADNS-3550 and a SFF lens ADNS-
3150-001.
The ADNS-3550 is a low-power optical navigation sen-
sor. 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-3550 is capable of high-speed motion detec-
tion — up to 20 ips and 8 G. In addition, it has an on-
chip oscillator and integrated LED to minimize external
components.
The ADNS-3550, along with the ADNS-3150-001 lens,
form a complete and compact mouse tracking system.
There are no moving parts which means high reliabil-
ity and less maintenance for the end user. In addition,
precision optical alignment is not required, facilitating
high volume assembly.
The bundle sensor is programmed via registers through
a four-wire serial port. It is packaged in a 16 I/O surface
mountable package.
Features
• Low power architecture
• Small form factor
• Surface mount technology (SMT) device
• Self-adjusting power-saving modes for longest battery
life
• High speed motion detection up to 20 ips and 8 G
• Self-adjusting frame rate for optimum performance
• Motion detect pin output
• Internal oscillator — no clock input needed
• Selectable 500 and 1000 cpi resolution
• Wide operating voltage: 2.7 V - 3.6 V nominal
• Four wire serial port
• Minimal number of passive components
• Integrated chip-on-board LED
Applications
• Optical mice
• Optical trackballs
• Integrated input devices
• Battery-powered input device
Theory of Operation
The ADNS-3550 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-3550 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 Dx and Dy relative dis-
placement values.
An external microcontroller reads the Dx and Dy infor-
mation 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.
Bundle Part
Number
ADNB-3552
Part Number
ADNS-3550
ANDS-3150-001
Description
Integrated sensor
Small form factor lens
1 page  
Figure 5a. Exploded top view
Figure 5b. Exploded bottom view
ADNS-3550
ADNS-3150-001
CUSTOMER-
SUPPLIED
BASE PLATE
ADNS-3550
ADNS-3150-001
CUSTOMER-
SUPPLIED
BASE PLATE
5 Page 
DC Electrical Specifications
Electrical Characteristics over recommended operating conditions. Typical values at 25°C, VDD = 2.85 V.
Parameter
Symbol
Min.
Typical Max. Units Notes
DC Supply Current
in Various Modes
Peak Supply Current
IDD_RUN
IDD_REST1
IDD_REST2
IDD_REST3
3.6 10 mA Average current, including LED
0.6 1.8
current. No load on MISO, MOTION
0.15 0.40
0.04 0.15
40 mA Peak current in 100 kHz bandwidth,
including LED current
Shutdown Supply
Current
IDDSHTDWN
1
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Leakage
Current
VIL
VIH
VI_HYS
Ileak
VDD – 0.6
100
±1
12 µA SCLK, MOSI and NCS must be within
300 mV of GND or VDD. SHTDWN
must be within 300 mV of VDD
0.5 V
SCLK, MOSI, NCS, SHTDWN
V SCLK, MOSI, NCS, SHTDWN
mV SCLK, MOSI, NCS, SHTDWN
±10 µA
Vin = VDD - 0.6 V, SCLK, MOSI, NCS,
SHTDWN
Output Low Voltage VOL
0.7 V
Iout = 1 mA, MISO, MOTION
Output High Voltage VOH
Input Capacitance Cin
VDD – 0.7
V Iout = -1 mA, MISO, MOTION
10 pF MOSI, NCS, SCLK, SHTDWN
ADNS-3550 RESOLUTION
700
600
500
400
300
200
100
0
0.77 0.87 0.97 1.07 1.17 1.27 1.37 1.47 1.57 1.67 1.77 1.87 1.97
Z-HEIGHT (mm)
Figure 9. Mean resolution vs. Z
WHITE PAPER
MANILA
WHITE FORMICA
BLACK COPY
WHITE PINE
TYPICAL PATH DEVIATION
LARGEST SINGLE PERPENDICULAR DEVIATION FROM A STRAIGHT LINE AT 45 DEGREES
PATH LENGTH = 4 INCHES; SPEED = 6 ips; RESOLUTION = 1000 cpi
90
70
50
30
10
-10
0.77 0.87 0.97 1.07 1.17 1.27 1.37 1.47 1.57 1.67 1.77 1.87 1.97
DISTANCE FROM LENS REFERENCE PLANE
TO NAVIGATION SURFACE (mm)
WHITE PAPER
MANILA
WHITE FORMICA
WHITE PINE
BLACK COPY
F igure 10. Typical path deviation vs. Z distance (mm)
Relationship of mouse count to distance = m (mouse count)/n (cpi). E.g.: Deviation of 7 mouse count = 7/1000 = 0.007 inch, where m = 7, n = 1000.
11
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| PDF Descargar | [ Datasheet ADNB-3552.PDF ] | |
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