Datasheet > ISL3158AEMW

ISL3158AEMW

更新时间： 2024-11-15 05:39:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		接口集成电路
页数	文件大小	规格书
16页	611K
描述
±16.5kV ESD (IEC61000-4-2) Protected, Large Output Swing, 5V, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceiver

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ISL3158AEMW 数据手册

ISL3158AE

Data Sheet

April 3, 2009

FN6886.0

±16.5kV ESD (IEC61000-4-2) Protected,

Large Output Swing, 5V, Full Fail-Safe, 1/8

Unit Load, RS-485/RS-422 Transceiver

Features

• High Driver V . . . . . . . . . . . . . . 2.4V (Min) @ R = 54Ω

- Better Noise Immunity, or Drive Up to 8 Terminations

The ISL3158AE is a BiCMOS, IEC61000 ESD protected, 5V

powered, single transceiver that meets both the RS-485 and

RS-422 standards for balanced communication. Each driver

output and receiver input is protected against ±16.5kV ESD

strikes without latch-up.

• IEC61000 ESD Protection on RS-485 I/O Pins . . ±16.5kV

- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM

• Full Fail-safe (Open, Short, Terminated and Undriven)

Receivers

• High Rx I to Drive Opto-Couplers for Isolated

Applications

The ISL3158AE transmitter delivers exceptional differential

output voltages (2.4V min), into the RS-485 required 54Ω

load, for better noise immunity or to allow up to eight 120Ω

terminations in “star” or other non-standard bus topologies.

• Hot Plug Circuitry - Tx and Rx Outputs Remain

Three-State During Power-up/Power-down

• True 1/8 Unit Load Allows up to 256 Devices on the Bus

• Specified for Single 5V, 10% Tolerance, Supplies

This device has very low bus currents (+125µA/-75µA), so it

presents a true “1/8 unit load” to the RS-485 bus. This allows

up to 256 transceivers on the network without violating the

RS-485 specification’s 32 unit load maximum, and without

using repeaters.

• High Data Rates. . . . . . . . . . . . . . . . . . . . . up to 10Mbps

• Low Quiescent Supply Current . . . . . . . . . . . . . . . 600µA

Ultra Low Shutdown Supply Current . . . . . . . . . . . . 70nA

Receiver (Rx) inputs feature a “Full Fail-Safe” design, which

ensures a logic high Rx output if Rx inputs are floating,

shorted, or on a terminated but undriven bus. Rx outputs

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

• Half Duplex Pinouts

feature high drive levels - typically 28mA @ V = 1V (to ease

• Pb-free (RoHS compliant)

the design of optocoupled isolated interfaces).

• Three-State Rx and Tx Outputs

• Current Limiting for Driver Overload Protection

Hot Plug circuitry ensures that the Tx and Rx outputs remain

in a high impedance state until the power supply has

stabilized, and the Tx outputs are fully short circuit protected.

Applications

The ISL3158AE is a half duplex version. It multiplexes the

Rx inputs and Tx outputs to allow transceivers with output

disable functions in an 8 Ld package.

• Utility Meters and Automated Meter Reading Systems

• High Node Count Systems

• PROFIBUS® and Field Bus Networks, and Factory

Automation

• Security Camera Networks

• Building Lighting and Environmental Control Systems

• Industrial/Process Control Networks

TABLE 1. SUMMARY OF FEATURES

HALF/FUL DATA RATE SLEW-RATE #DEVICES

HOT PLUG ON BUS

PART

NUMBER

Rx/Tx

ENABLE?

QUIESCENT LOW POWER

L DUPLEX

Half

(Mbps)

LIMITED?

(µA) SHUTDOWN? COUNT

600

ISL3158AEM

Yes

256

Yes

ISL3158AEMW

Half

N/A

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...16

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与ISL3158AEMW相关器件

型号	品牌	获取价格	描述	数据表
ISL3158AEMW-T13	RENESAS	获取价格	Line Transceiver
ISL3158E	INTERSIL	获取价格	【16.5kV ESD (IEC61000-4-2) Protected, Large O
ISL3158E	RENESAS	获取价格	Large 3V Output Swing, 16.5kV ESD, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceive
ISL3158EIBZ	INTERSIL	获取价格	【16.5kV ESD (IEC61000-4-2) Protected, Large O
ISL3158EIBZ	RENESAS	获取价格	Large 3V Output Swing, 16.5kV ESD, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceive
ISL3158EIBZ-T	RENESAS	获取价格	5V, Full Fail-safe, RS-485/RS-422 Transceiver with ESD Protection; MSOP8, SOIC8; Temp Rang
ISL3158EIBZ-T7A	RENESAS	获取价格	Large 3V Output Swing, 16.5kV ESD, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceive
ISL3158EIUZ	INTERSIL	获取价格	【16.5kV ESD (IEC61000-4-2) Protected, Large O
ISL3158EIUZ	RENESAS	获取价格	Large 3V Output Swing, 16.5kV ESD, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceive
ISL3158EIUZ-T	RENESAS	获取价格	Large 3V Output Swing, 16.5kV ESD, Full Fail-Safe, 1/8 Unit Load, RS-485/RS-422 Transceive

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