HSDL-3602-037 Просмотр технического описания (PDF) - Avago Technologies

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HSDL-3602-037

IrDA® Data 1.4 Compliant 4 Mb/s 3V Infrared Transceiver

Avago Technologies 

Recommended Operating Conditions

Parameter

Symbol

Operating Temperature

TA

Supply Voltage

VCC

Logic High Input Voltage VIH

for TXD, MD0, MD1, and

FIR_SEL

Logic Low Transmitter

VIL

Input Voltage

LED (Logic High) Current ILEDA

Pulse Amplitude

Receiver Signal Rate

Minimum

–20

2.7

2 VCC/3

0

400

0.0024

Maximum

+70

3.6

VCC

VCC/3

650

4

Unit

˚C

V

V

V

mA

Mb/s

Conditions

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

Transceiver

Supply Current Shutdown

Idle

ICC1

ICC2

10

200 nA

VSD ≥ VCC – 0.5

2.5

5

mA

VI(TXD) ≤ VIL, EI = 0

Digital Input Logic

IL/IH

Current

Low/High

–1

1

µA

0 ≤ VI ≤ VCC

Transmitter

Transmitter Logic High

EIH

100 250 400 mW/sr VIH = 3.0 V

Radiant

Intensity

Intensity

ILEDA = 400 mA

θ1/2 ≤ 15˚

Peak

λp

875

nm

Wavelength

Spectral Line ∆λ1/2

35

nm

Half Width

Viewing Angle 2θ1/2

Optical

tpw (EI)

30

1.5 1.6

60 ˚

1.8 µs

tpw(TXD) = 1.6 µs at 115.2 kb/s

Pulse Width

148 217 260 ns

tpw(TXD) = 217 ns at 1.15 Mb/s

115 125 135 ns

tpw(TXD) = 125 ns at 4.0 Mb/s

Rise and

tr (EI),

40 ns

tpw(TXD) = 125 ns at 4.0 Mb/s

Fall Times

Maximum

tf (EI)

tpw (max)

20

50 µs

tr/f(TXD) = 10 ns

TXD pin stuck high

Optical

Pulse Width

LED Anode On State Voltage

LED Anode Off State Leakage

VON(LEDA)

ILK(LEDA)

1

2.4 V

100 nA

ILEDA = 400 mA, VI(TXD) ≥ VIH

VLEDA = VCC = 3.6 V,

Current

VI(TXD) ≤ VIL



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