6

Notes:

8. 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.

9. Logic Low is a pulsed response. The condition is maintained for duration dependent on pattern and strength of the incident intensity.

12. For in-band signals of 125 ns pulse width, 4 Mb/s, 4 PPM at recommended 400 mA drive current.

13. Pulse width specified is the pulse width of the second 500 kHz carrier pulse received in a data bit. The first 500 kHz carrier pulse may exceed

2 µs in width, which will not affect correct demodulation of the data stream. An ASK or DASK system using the HSDL-3602 has been shown to

14. The wake up time is the time between the transition from a shutdown state to an active state, and the time when the receiver is active and ready

to receive infrared signals.

Electrical & Optical Specifications

Specifications hold over the Recommended Operating Conditions unless otherwise noted. Unspecified test condi-

tions can be anywhere in their operating range. All typical values are at 25˚C and 3.3 V unless otherwise noted.

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Receiver

Receiver Data

Logic Low

0

—

0.4

V

Output Voltage

Logic High

V

Viewing

30

Angle

Logic High Receiver Input

0.0036

500

Irradiance

0.0090

500

Logic Low Receiver Input

0.3

Irradiance

Receiver Peak Sensitivity

880

nm

Wavelength

Receiver SIR Pulse Width

tpw (SIR) 1

4.0

µs

Receiver MIR Pulse Width

tpw (MIR) 100

500

ns

Receiver FIR Pulse Width

tpw (FIR) 85

165

ns

190

ns

Receiver ASK Pulse Width

tpw (ASK)

1

µs

500 kHz/50% duty cycle

Receiver Latency Time for FIR

40

50

µs

Receiver Latency Time for SIR

20

50

µs

Receiver Rise/Fall Times

25

ns

Receiver Wake Up Time

100

µs

[14]

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