3

Notes:

3. An in-band optical signal is a pulse/sequence where the peak wavelength,

λp, is defined as 850 ≤ λp ≤ 900 nm, and the pulse characteristics are

compliant with the IrDA Serial Infrared Physical Layer Link Specification v1.4.

Recommended Operating Conditions

Notes:

2.

≤ 20% duty cycle, ≤ 90 ms pulse width.

Absolute Maximum Ratings

For implementations where case to ambient thermal resistance is

≤ 50°C/W.

Parameter

Symbol

Min.

Max.

Units

Notes

Storage Temperature

-40

+100

°C

Operating Temperature

-25

85

°C

LED Anode Voltage

06.5

V

Supply Voltage

06.5

V

Input/Output Voltage

V

Input Voltage : SD

V

Input Voltage : TXD

V

DC LED Transmit Current

50

mA

Peak LED Transmit Current

250

mA

2

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Operating Temperature

-25

70

°C

Supply Voltage

2.4

3.6

V

Input/Output Voltage

1.5

VCC

V

Logic Input Voltage for

TXD/SD

Logic High

IOVcc-0.2

IOVcc

V

The minimum input logic

voltage should not be

lower than 1.5V

Logic Low

00.4

V

Receiver Input Irradiance

Logic High

0.0081

500

For in-band signals

Logic Low

1.0

LED (Logic High)

Current Pulse Amplitude

50

mA

Receiver Data Rate

9.6

115.2

kbit/s

Ambient Light

See IrDA Serial Infrared Physical Layer Link Specification, Appendix A for ambient levels