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PDF ADNS-2700 Data sheet ( Hoja de datos )
| Número de pieza | ADNS-2700 | |
| Descripción | Single Chip USB Optical Mouse Sensor | |
| Fabricantes | Avago | |
| Logotipo |  |
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ADNS-2700
Single Chip USB Optical Mouse Sensor
Data Sheet
Description
The ADNS-2700 is a compact, one chip USB optical mouse
sensor designed for implementation of a non-mechanical
tracking engine in computer mice.
It is based on optical navigation technology that measures
changes in position by optically acquiring sequential
surface images (frames) and mathematically determining
the direction and magnitude of movement.
The sensor is in an 8-pin optical package that is designed
to be used with the ADNS-5100-001 trim lens, LED clip
and the HLMP-EG3E-xxxxx LED. Together, these parts
provide a complete and compact mouse sensor. There
are no moving parts and precision optical alignment is
not required, thus facilitating high volume assembly.
The output format is USB. This device meets HID Revision
1.11 specification and is compatible with USB Revision 2.0
specification.
Frame rate is varied internally to the sensor to achieve
tracking and speed performance, eliminating the need for
the use of many registers.
Default resolution is specified as 1000 counts per inch,
with rates of motion up to 30 inches per second.
A complete mouse can be built with the addition of a PC
board, switches and Z-wheel, plastic case and cable.
NOTE: ADNS-2700 will be referred to as "sensor", ADNS-5100-
001 as " trim lens" and HLMP-EG3E as "LED" hereafter.
Features
One chip USB mouse sensor
USB 2.0 Low Speed Compliance
12 bits USB motion data reporting
Meets HID Revision 1.11
Single 5.0 volts power supply
High speed motion detection at 30 inches per second
(ips) and acceleration up to 8 g
Input buttons: 3 buttons
Z-Wheel interface for vertical scroll
Integrated oscillator
Integrated USB D- pull-up resistor
Product string is set to “USB Optical Mouse”
On-chip OTP memory for device configuration
flexibility without any external software driver:
– Programmable resolution from 500 to 1250 counts
per inch (cpi) with 250 cpi step.
– Programmable sensor orientation
– Programmable VID and PID.
Applications
Corded optical mice
Trackballs
Integrated input devices
1 page  
TOP VIEW
B
33.45
1.317
Pin #1
B
13.10
0.516
BASE PLATE
CROSS SECTION SIDEVIEW
LENS
10.59
0.417
SENSOR
7.45
0.293 TOP PCB to SURFACE
LED
LED CLIP
PCB
ALIGNMENT POST
(OPTIONAL)
2.40 BOTTOM of LENS
0.094 FLANGE to SURFACE
BASE PLATE
NAVIGATION SURFACE
NOTE: Dimensions in mm/Inches
Important Note: Pin 1 of sensor should be located nearest to the LED
Figure 4. 2D Assembly drawing of sensor (Top and Side View)
Sensor
Lens
Object Surface
Z = 2.40
0.094
Figure 5. Distance from lens reference plane to tracking surface (Z)
Lens Reference Plane
5
5 Page 
USB Timing Specifications
Timing Specifications over recommended operating conditions.
Parameter
D+/D- Transition rise time
D+/D- Transition rise time
D+/D- Transition fall time
D+/D- Transition fall time
Rise and Fall time matching
Symbol
TLR
TLR
TLF
TLF
TLRFM
Minimum
75
75
80
Maximum
300
300
125
Units
ns
ns
ns
ns
%
Wakeup delay from USB
suspend mode due to
buttons push
Wakeup delay from USB
suspend mode due to buttons
push until accurate navigation
USB reset time
Data Rate
Receiver Jitter Tolerance
Receiver Jitter Tolerance
Differential to EOP
Transition Skew
EOP Width at Receiver
Source EOP Width
Width of SE0 interval during
Differential Transition
Differential Output Jitter
Differential Output Jitter
TWUPB
TWUPN
Treset
tLDRATE
tDJR1
tDJR2
tLDEOP
tLEOPR
tLEOPT
tLST
tUDJ1
tUDJ2
18.7
1.4775
-75
-45
-40
670
1.25
-95
-150
17
50
1.5225
75
45
100
1.50
210
95
150
ms
ms
s
Mb/s
ns
ns
ns
ns
s
ns
ns
Notes
CL = 200 pF (10% to 90%), see Figure 10
CL = 600 pF (10% to 90%), see Figure 10
CL = 200 pF (90% to 10%), see Figure 10
CL = 600 pF (90% to 10%), see Figure 10
TR/TF; CL = 200 pF; Excluding the first
transition from the Idle State
Delay from button push to USB operation
Only required if remote wakeup enabled
Delay from button push to navigation
operation. Only required if remote wakeup
enabled
Average bit rate, 1.5 Mb/s +/- 1.5%
To next transition, see Figure 13
For paired transitions, see Figure 13
See Figure 14
Accepts EOP, see Figure 14
See Figure 11.
To next transition, see Figure 15
For paired transitions, see Figure 15
D+
VOH
90%
VCRS
VOL
D
10%
TLR
Rise Time
Figure 10. Data Signal Rise and Fall Times
90%
10%
TLF
Fall Time
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ADNS-2700.PDF ] | |
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