4

Electrical & Optical Specifications

Specifications (Min. & Max. values) hold over the recommended operating conditions unless otherwise noted.

Unspecified test conditions may be anywhere in their operating range. All typical values (Typ.) are at 25°C with Vcc set to

3.0V and IOVcc set to 1.8V unless otherwise noted.

Notes:

4. For in-band signals from 9.6kbit/s to 115.2 kbit/s, where 9

5. Latency time is defined as the time from the last TxD light output pulse until the receiver has recovered full sensitivity

6. Receiver wake up time is measured from Vcc power on or SD pin high to low transition to a valid RXD output.

7. The maximum optical PW is the maximum time the LED remains on when the TXD is constantly high. This is to prevent long turn on time of the LED

for eye safety protection.

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Receiver

Viewing Angle

2

θ

½

30

°

Peak Sensitivity Wavelength

λp

880

nm

RXD Output Voltage

Logic High

IOVcc-0.2

IOVcc

V

µA,

EI

≤ 1.0 µW/cm2

Logic Low

00.4

V

µA,

EI

≥ 8.1 µW/cm2

1

4.0

µs

θ

½

≤ 15°, CL =9 pF

RXD Rise and Fall Times

60

ns

CL =9 pF

50

µs

100

µs

Transmitter

Radiant Intensity

414

mW/sr

θ

½

≤ 15°, V

TXD

≥ V

IH

Viewing Angle

2

θ

½

30

60

°

Peak Wavelength

λp

875

nm

Spectral Line Half Width

∆λ½

35

nm

TXD Input Current

High

0.02

10

µA

≥ V

IH

Low

-10

-0.02

10

µA

0

≤ V

I

≤ V

IL

LED Current

On

50

mA

≥ V

IH

Shutdown

200

nA

≥ V

IH

Optical Pulse Width (SIR)

1.4

1.6

1.8

µs

µs at

115.2 kbit/s

100

µs

TXD Rise and fall Time (Optical)

tr, tf

600

ns

tpw(TXD) = 1.6

µs

LED Anode On State Voltage

1.55

1.8

V

≥ V

IH

Transceiver

Supply Current

1

µA

≥ V

Idle

100

µA

≤ V