ST1480ACDR Просмотр технического описания (PDF) - STMicroelectronics

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ST1480ACDR

3.3 V powered, 15 kV ESD protected, up to 12 Mbps true RS-485/RS-422 transceiver

STMicroelectronics 

ST1480AB

ST1480AC

3.3 V powered, 15 kV ESD protected,

up to 12 Mbps true RS-485/RS-422 transceiver

Datasheet - production data

Description

The ST1480Ax is ±15 kV ESD protected, 3.3 V

low power transceiver for RS-485 and RS-422

communications. The device contains one driver

and one receiver in half duplex configuration.

The ST1480Ax transmits and receives at a

guaranteed data rate of at least 12 Mbps.

DIP-8

SO-8

All transmitter outputs and receiver inputs are

protected to ±15 kV using Human Body Model.

Features

• ESD protection

– ±15 kV human body model

– ±8 kV IEC 1000-4-2 contact discharge

• Operates from a single 3.3 V supply - no

charge pump required

• Interoperable with 5 V logic

Driver is short-circuit current limited and is

protected against excessive power dissipation by

thermal shutdown circuitry that places the driver

outputs into a high-impedance state.

The ST1480Ax input has a true fail-safe feature

that guarantees a logic high output if both inputs

are open circuit, shorted together or in the

presence of a termination with no signal on the

bus.

• 1 µA low current shutdown mode max

• Guaranteed 12 Mbps data rate

• -7 to 12 common mode input voltage range

• Half duplex versions available

• Industry standard 75176 pinout

• Current limiting and thermal shutdown for

driver overload protection

• Guaranteed high receiver output state for

floating, shorted or terminated inputs with no

signal present

• Allows up to 64 transceivers on the bus

Table 1. Device summary

Order codes Temperature range

Package

Packaging

ST1480ACN

ST1480ACDR

ST1480ABDR

0 to 70 °C

0 to 70 °C

-40 to 85 °C

DIP-8

SO-8 (tape & reel)

SO-8 (tape & reel)

50 parts per tube / 40 tube per box

2500 parts per reel

2500 parts per reel

July 2013

This is information on a product in full production.

DocID9101 Rev 4

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