DC Electrical Specifications
Parameter
DC Supply Current
in Various Modes
Peak Supply Current
Shutdown Supply
Current
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Leakage
Current
Output Low Voltage
Electrical Characteristics over recommended operating conditions. Typical values at 25°C, V
DD
= 2.85 V.
Symbol
I
DD_RUN
I
DD_REST1
I
DD_REST2
I
DD_REST3
Min.
Typical
3.6
0.6
0.15
0.04
Max.
10
1.8
0.40
0.15
40
12
0.5
V
DD
– 0.6
100
±1
±10
0.7
V
DD
– 0.7
10
Units
mA
Notes
Average current, including LED
current. No load on MISO, MOTION
Peak current in 100 kHz bandwidth,
including LED current
SCLK, MOSI and NCS must be within
300 mV of GND or V
DD
. SHTDWN
must be within 300 mV of V
DD
SCLK, MOSI, NCS, SHTDWN
SCLK, MOSI, NCS, SHTDWN
SCLK, MOSI, NCS, SHTDWN
Vin = V
DD
- 0.6 V, SCLK, MOSI, NCS,
SHTDWN
I
out
= 1 mA, MISO, MOTION
I
out
= -1 mA, MISO, MOTION
MOSI, NCS, SCLK, SHTDWN
mA
µA
V
V
mV
µA
V
V
pF
I
DDSHTDWN
V
IL
V
IH
V
I_HYS
I
leak
V
OL
1
Output High Voltage V
OH
Input Capacitance
C
in
ADNS-3550 RESOLUTION
700
600
RESOLUTION (CPI)
500
400
300
200
100
0
WHITE PAPER
MANILA
WHITE FORMICA
BLACK COPY
WHITE PINE
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
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
MAXIMUM DISTANCE
(MOUSE COUNT)
50
30
10
-10
WHITE PAPER
MANILA
WHITE FORMICA
WHITE PINE
BLACK COPY
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)
Figure 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
AVAGO [ AVAGO TECHNOLOGIES LIMITED ]
