MAX3488ECPA Maxim Integrated, MAX3488ECPA Datasheet

MAX3488ECPA

Manufacturer Part Number

MAX3488ECPA

Description

RS-422/RS-485 Interface IC 3.3V 12Mbps Transceiver

Manufacturer

Maxim Integrated

Datasheet

1.MAX3488ECPA.pdf (16 pages)

Specifications of MAX3488ECPA

Data Rate

0.25 Mbps

Operating Supply Voltage

3.3 V

Supply Current

1.1 mA

Operating Temperature Range

0 C to + 70 C

Mounting Style

Through Hole

Package / Case

PDIP N

Function

Line Transmitter / Receiver

Input Voltage

7 V to 12 V

Maximum Operating Temperature

+ 70 C

Maximum Power Dissipation

471 mW

Minimum Operating Temperature

0 C

Number Of Receivers

Output Current

20 uA

Output Voltage

3 V

Product

RS-422/RS-485 Combination

Propagation Delay Time Ns

1000 ns, 75 ns

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Devices in the MAX3483E family (MAX3483E/MAX3485E/

MAX3486E/MAX3488E/MAX3490E/MAX3491E) are

±15kV ESD-protected, +3.3V, low-power transceivers for

RS-485 and RS-422 communications. Each device con-

tains one driver and one receiver. The MAX3483E and

MAX3488E feature slew-rate-limited drivers that minimize

EMI and reduce reflections caused by improperly termi-

nated cables, allowing error-free data transmission at

data rates up to 250kbps. The partially slew-rate-limited

MAX3486E transmits up to 2.5Mbps. The MAX3485E,

MAX3490E, and MAX3491E transmit at up to 12Mbps.

All devices feature enhanced electrostatic discharge

(ESD) protection. All transmitter outputs and receiver

inputs are protected to ±15kV using IEC 1000-4-2 Air-

Gap Discharge, ±8kV using IEC 1000-4-2 Contact

Discharge, and ±15kV using the Human Body Model.

Drivers are short-circuit current limited and are protect-

ed against excessive power dissipation by thermal

shutdown circuitry that places the driver outputs into a

high-impedance state. The receiver input has a fail-safe

feature that guarantees a logic-high output if both

inputs are open circuit.

The MAX3488E, MAX3490E, and MAX3491E feature

full-duplex communication, while the MAX3483E,

MAX3485E, and MAX3486E are designed for half-

duplex communication.

19-1474; Rev 0; 4/99

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

Slew-Rate-Limited True RS-485/RS-422 Transceivers

MAX3483E

MAX3485E

MAX3486E

MAX3488E

MAX3490E

MAX3491E

NUMBER

PART

3.3V-Powered, ±15kV ESD-Protected, 12Mbps and

Telecommunications

Industrial-Control Local Area Networks

Transceivers for EMI-Sensitive Applications

Integrated Services Digital Networks

Packet Switching

GUARANTEED

DATA RATE

________________________________________________________________ Maxim Integrated Products

(Mbps)

0.25

2.5

General Description

VOLTAGE

3.0 to 3.6

SUPPLY

Applications

(V)

HALF/FULL

DUPLEX

Half

Full

SLEW-RATE

LIMITED

Yes

Ordering Information continued at end of data sheet.

MAX3483ECSA

MAX3483ECPA

MAX3483EESA

MAX3483EEPA

MAX3485ECSA

MAX3485ECPA

MAX3485EESA

MAX3485EEPA

ESD Protection for RS-485 I/O Pins

Operate from a Single +3.3V Supply—

No Charge Pump Required

Interoperable with +5V Logic

Guaranteed 12Mbps Data Rate

(MAX3485E/MAX3490E/MAX3491E)

Slew-Rate Limited for Errorless Data Transmission

(MAX3483E/MAX3488E)

2nA Low-Current Shutdown Mode

(MAX3483E/MAX3485E/MAX3486E/MAX3491E)

-7V to +12V Common-Mode Input Voltage Range

Full-Duplex and Half-Duplex Versions Available

Industry-Standard 75176 Pinout

(MAX3483E/MAX3485E/MAX3486E)

Current-Limiting and Thermal Shutdown for

Driver Overload Protection

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

PART

RECEIVER

DRIVER/

ENABLE

Yes

-40°C to +85°C

SHUTDOWN

TEMP. RANGE

CURRENT

0°C to +70°C

Ordering Information

(nA)

—

Selector Guide

PROTECTION

±15kV

ESD

Yes

8 SO

8 Plastic DIP

8 SO

8 Plastic DIP

8 SO

8 Plastic DIP

8 SO

8 Plastic DIP

PIN-PACKAGE

Features

COUNT

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