HSDL-3220 Datasheet, PDF (6/19 Pages) Agilent(Hewlett-Packard) – IrDA® Data Compliant Low Power 4.0 Mbit/s Infrared Transceiver

t_pw
V_OH
90%
50%
V_OL
10%
t_f
t_r
Figure 5. RxD output waveform.
TXD
LED
t_{pw (MAX.)}
Figure 7. TxD “Stuck On” protection waveform.
120
100
80
60
40
20
0
0.10 0.15 0.20 0.25 0.30 0.35
I_LEDA (A)
Figure 9. Radiant Intensity vs I_LEDA.
t_pw
LED ON
90%
50%
10%
LED OFF
t_r
t_f
Figure 6. LED optical waveform.
SD
RX
LIGHT
RXD
t_RW
Figure 8. Receiver wakeup time waveform.
2.4
2.2
2.0
1.8
1.6
1.4
0.10 0.15 0.20 0.25 0.30 0.35
I_LEDA (A)
Figure 10. V_LEDA vs I_LEDA.
6