ELECTRONIC COMPONENTS

SHARP IrDA Control Infrared Transceiver

SHARP Electronic Components

7

Rev. 1.0.1, November 26, ‘98

6. Electrical and Optical Specifications

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

RECEIVER SIDE

Current Dissipation

I

CC

-

5.0

7.0

mA

No input IR signal, V

S/D Current Dissipation

Iccsd

-

7.0

10.0

µA

mode

Receiver Data

Logic High

V

OH

V

-

-

V

No input IR signal, High level

Output Voltage

Logic Low

V

OL

-

-

0.5

V

I

Single Pulse

t

3.66

6.67

9.67

Pulse Width

Double Pulse

t

10.33

13.33

16.34

Multi Pulse

t

50.36

53.36

56.36

Jitter

tj

-1.8

-

+1.8

µsec

*

7,8

Receiver Data Output Rise Time

tr

-

-

6.0

µsec

*

8

Receiver Data Output Fall Time

tf

-

-

6.0

µsec

*

8

Receiver Detecting Distance

L

1.5

-

-

m

*4

68mW/sr

TRANSMITTER SIDE

Transmitter Radiant Intensity

I

E

9-

-

mW/sr

*4

I

Peak Wavelength

λp

850

-

900

nm

I

Rise Time

tr

(LED)

-

-

80

nsec

*

9,10

Fall Time

tf

(LED)

-

-

80

nsec

*

9,10

(NOTES)

* twm=53.00

µs (6.67 µs×8−0.36)

6.

“L”: Low current consumption mode, “H” or OPEN: Normal operating mode.

7.

The time difference or time gap from the pulse judgement criteria point of the output waveform at the 50% point

between V

8:

Receiver output wavelength definition:

tj

t

tf

tr

10%

50%

90%

10%

50%

90%

VOH

VOL

Criterion for

Pulse Position

Figure 6.1 GP2W2002YK Receiver Output Waveform