ADNS-2051 データシートの表示（PDF） - HP => Agilent Technologies

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ADNS-2051

Optical Mouse Sensor

HP => Agilent Technologies 

SERIAL PORT

SCLK

SDIO

XA

XB

QUADRATURE

OUTPUTS

YA

YB

R_BIN

LED

XY_LED

SERIAL PORT

OSCILLATOR

POWER ON

RESET

IMAGE

PROCESSOR

LED

DRIVE

OSC_IN

OSC_OUT

RESONATOR

REFA

REFB

PD

VOLTAGE

REFERENCE

VDD

GND

GND

5 VOLT

POWER

Figure 6. Block diagram of ADNS-2051 optical mouse sensor.

Design Considerations for Improving

ESD Performance

The flange on the lens has been

designed to increase the creepage

and clearance distance for elec-

trostatic discharge. The table on

the right shows typical values

assuming base plate construction

per the Agilent supplied IGES file

and HDNS-2100 lens flange.

Typical Distance

Creepage

Clearance

Millimeters

16.0

2.1

For improved ESD performance,

the lens flange can be sealed (i.e.

glued) to the base plate.Note that

the lens material is polycarbonate

and therefore, cyanoacrylate-

based adhesives or other

adhesives that may damage the

lens should NOT be used.

The trimmed lens, HDNS-

2100#001, is not recommended

for corded applications due to the

ESD spec requirement.

PCB

LENS/LIGHT PIPE

BASE PLATE

SURFACE

Figure 7. PCB assembly.

5

SENSOR

CLIP

LED

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