3

Electrical/Optical Characteristics at T

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Note

Figure

Reflected Photocurrent

80

125

–

nA

4, 5, 11

1, 2, 4, 7

Quality Factor

<Q>

0.82

0.95

1.0

–

4, 6

Maximum Signal Point (MSP)

Z

4.01

4.27

4.52

mm

4, 7

4

(0.158) (0.168) (0.178)

(inch)

LED Forward Voltage

–

1.72

1.86

V

3

LED Reverse Breakdown Voltage

BVR

5.0

–

–

V

Photodiode Dark Current

–

50

1000

pA

8

LED Peak Wavelength

lambda

655

670

nm

5

-0.006

1/

°C9

System Optical Step

d

0.154

mm

–

10

8

Response Size (OSR)

(0.006)

(inch)

Notes:

1. CAUTION: The thermal constraints of the acrylic lens will not permit conventional wave soldering procedures. The typical preheat

and post-soldering cleaning procedures and dwell times can subject the lens to thermal stresses beyond the absolute maximum

ratings and can cause it to defocus.

2. (Reliability tests are proceeding—data not yet available.)

damage to photodiode or to chip metallization.

4. Measured from a reflector coated with 99% diffuse reflective white paint (Kodak 6080) positioned 4.27 mm (0.168 in.) from the

5. See Bin Table.

7. Measured from the reference plane (R.P.) of the sensor.

8. Leakage current of photodiode measured in the dark.

9. Photocurrent variation with temperature varies with LED output which follows a natural exponential law:

to black, or from opaque white to free space (no reflection).

11. Sensor contains no ambient light filtering—see Figure 6 for relative response of detector. In bright ambient light conditions, LED

signal may be a small portion of total signal. AC coupling and additional signal processing may be necessary. Reference Application

Note 1040.