DS2480B - Maxim - Datasheet.Directory











√

√ √ √

√

√ √ √





 





 

Ω

1-Wire Bus

Return

5 V

5V Operation Only

GND

1-W

POL

VDD

VPP

RXD

TXD

DS2480B

470 pF

See Application Note 148

for additional information.

62 Ohms

DS9503



SIN (RXD)

SOUT (TXD)

UART

or μC

Start Stop

1

0

L M

1-Wire Bus

Return

12 V

GND

1-W

POL

VDD

VPP

RXD

TXD

DS2480B

5V

Regulator

5 V

* only one DS950x ESD protection device with 5V

With EPROM Programming 5V Operation Only

GND

1-W

POL

VDD

VPP

RXD

TXD

DS2480B

*

470 pF

62 Ohms

Optional filter

DS9503

DS9503 DS9503

SIN (RXD)

SOUT (TXD)

UART

or μC

Start Stop

1

0

L M

1-Wire Bus

Return

DTR

Power Stealing

GND

1-W

POL

VPP

VDD

RXD

TXD

DS2480B 62 Ohms

Optional filter

RTS

See Text

22 μF0.1 μF

DS9503

470 pF





SIN

(

RXD

)

SOUT

(TXD)

UART

or μC

Start Stop

1

0

L M

1-Wire Bus

Return

DTR

Power Stealing

GND

1-W

POL

VPP

VDD

RXD

TXD

DS2480B

RTS

See Text

2.7K

4.7V

5V

Regulator

6.8K

1 μf

BSS110

S

D

+12VDC Programming

*

* only one DS950x ESD protection device with 5V

DS9503





Return

SIN

(

RXD

)

SOUT

(TXD)

UART

or μC

Start Stop

1

0

L M

5 V

DC to DC

Converter

*

1-Wire Bus

GND

1-W

POL

VDD

VPP

RXD

TXD

DS2480B

* only one DS950x ESD protection device with 5V

5V

12 V

HCPL-2300

2.7K 5.1K

2.7K

5.1K

DS9503

SIN

(RXD)

SOUT

(TXD)

UART

or μC

Start Stop

1

0

L M

1-Wire Bus

Return

DTR

Power Stealing

GND

1-W

POL

VPP

VDD

RXD

TXD

DS2480B

RTS

2.7K

HCPL-2300

5V

Regulator

1.5K

1 μf

HCPL-2202

5V +12VDC Programming

*

* only one DS950x ESD protection device with 5V

1.5K

DC/DC

Convert.

DS9503

√√√

√

√√

√

 





μ

Ω



μ

  μ





   







PACKAGE TYPE PACKAGE CODE DOCUMENT NO.

8 SO S8+5 21-0041



 

32

Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.

Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical

Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.