HSDL-3003 datasheet(7/21 Pages) HP

7 / 21 page

Transceiver

Parameters

Symbol

Min.

Typ.

Max.

Units

Conditions

Input Current

High

I H

0.01

µAVI ≥ VIH

Low

-1

-0.02

µA0 ≤ VI ≤ VIL

Supply Current

Shutdown

ICC1

0.01

µAVSD ≥ VCC - 0.5, TA = 25°C

Idle (Standby)

ICC2

100

µAVI(TxD) ≤ VIL, EI = 0

Active

ICC3

300

µAVI(TxD) ≥ VIL, EI = 10 mW/cm2

Notes:

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

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

are compliant with the IrDA Serial Infrared Physical Layer Link Specification version 1.4.

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

µW/cm2 ≤ EI ≤ 500 mW/cm2.

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

6. Receiver Wake Up Time is measured from VCC power ON to valid RxD_IrDA output.

7. Transmitter Wake Up Time is measured from VCC power ON to valid light output in response to a TxD_IrDA pulse.

8. The Optical PW is defined as the maximum time which the IrDA/RC LED will turn on, this is to prevent the long Turn On time for the IrDA and

RC LED.

9. This Limits is Production Test Limits.

Figure 3. Typical 875 nm LED VLEDA vs. ILEDA at

room temperature.

Figure 5. Typical 940 nm LED VLEDA vs. ILEDA at room

temperature performance.

Figure 4. Typical 875 nm LED radiant intensity vs. ILED current

at room temperature.

Figure 6. Typical 940 nm LED radiant intensity vs. ILED

current at room temperature.

0.40

VLEDA (V)

0.10

1.5

4.0

0.20

2.0

0.25

0.05

3.0

0.35

3.5

2.5

0.15

0.30

0.8

VLEDA (V)

0.2

1.0

2.0

0.4

1.2

0.5

0.1

1.6

0.7

1.8

1.4

0.3

0.6

ILEDA CURRENT (A)

0.4

0.2

0.7

0.1

0.3

0.5

0.6

ILED CURRENT (A)

0.3

0.05

0.15

0.2

0.1

0.25

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