HSDL-3202 datasheet(2/16 Pages) HP

Part #	HSDL-3202

Description	IrDA짰 Data 1.3 Low Power Compliant 115.2 Kb/s Infrared Transceiver

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Manufacturer	HP [Agilent(Hewlett-Packard)]

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2

Application Circuit

Pinout, Rear View

I/O Pins Configuration Table

Symbol

Description

Notes

1

GND

Ground

Connect to system ground

2

IOVCC

Input/Output

Connect to ASIC logic

ASIC VCC

controller VCC voltage

3VCC

Supply Voltage

Regulated, 2.7 to 3.6 volts

4

AGND

Analog Ground

Connect to a ”quiet“ ground

5

SD

Shut Down

This pin must be driven either high

Active High

or low. Do NOT float the pin.

6

RXD

Receiver Data Output

Output is a low pulse for 1.6

µs

Active Low

when a light pulse is seen

7

TXD

Transmitter Data Input

Logic High turns on the LED. If

Active High

held high longer than ~ 20

µs, the

LED is turned off. TXD must be

driven high or low. Do NOT float

the pin.

8

VLED

LED Supply Voltage

May be unregulated, 2.7 to 6 volts.

–

SHIELD

EMI Shield

Connect to system ground via a

low inductance trace. For best

performance, do not connect to

GND or AGND directly at the part.

87654321

Recommended Application Circuit Components

Component

Recommended Value

Note

C1

1.0

µF, ± 20%, Tantalum

1

C2

1.0

µF, ± 20%, Tantalum

1

C3

1.0

µF, ± 20%, Tantalum

1

TXD

7

LED

CURRENT

SOURCE

RXD

6

SHUT DOWN

5

RX PULSE

SHAPER

TXD

8 VLED

4 AGND

SD

RXD

3

VCC

2

1 GND

C3

1.0 µF

I/O VCC

C2

1.0 µF

C1

1.0 µF

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HSDL-3202 Datasheet(PDF) 2 Page - Agilent(Hewlett-Packard)

HSDL-3202 Datasheet(HTML) 2 Page - Agilent(Hewlett-Packard)

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