Datasheet > ISL8487IBZ-T

ISL8487IBZ-T

更新时间： 2024-11-18 15:44:19

品牌	Logo	应用领域
瑞萨 - RENESAS		光电二极管
页数	文件大小	规格书
14页	755K
描述
LINE TRANSCEIVER, PDSO8, PLASTIC, MS-012AA, SOIC-8

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技术参数
数据手册

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ISL8487IBZ-T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP,	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.07
Is Samacsys：	N	Base Number Matches：	1

ISL8487IBZ-T 数据手册

DATASHEET

ISL8487, ISL81483, ISL81487

1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422

Transceivers

FN6050

Rev 8.00

March 14, 2016

These Intersil RS-485/RS-422 devices are “fractional” unit

load (UL), BiCMOS, 5V powered, single transceivers that

Features

• Fractional Unit Load Allows up to 256 Devices on the Bus

• Specified for 10% Tolerance Supplies

meet both the RS-485 and RS-422 standards for balanced

communication. Unlike competitive devices, this Intersil

family is specified for 10% tolerance supplies (4.5V to 5.5V).

• Class 3 ESD Protection (HBM) on all Pins. . . . . . . . >7kV

• High Data Rate Version (ISL81487). . . . . . . up to 5Mbps

The ISL81483 and ISL81487 present a 1/8 unit load to the

RS-485 bus, which allows up to 256 transceivers on the

network for large node count systems (e.g., process

automation, remote meter reading systems). The 1/4 UL

ISL8487 allows up to 128 transceivers on the bus. In a

remote utility meter reading system, individual (apartments

for example) utility meter readings are routed to a

concentrator via an RS-485 network, so the high allowed

node count minimizes the number of repeaters required to

network all the meters. Data for all meters is then read out

from the concentrator via a single access port, or a wireless

link.

• Slew Rate Limited Versions for Error Free Data

Transmission (ISL8487, ISL81483) . . . . . . .up to 250kbps

• Low Current Shutdown Mode (Except ISL81487) . . 0.5A

• Low Quiescent Supply Current:

- ISL8487, ISL81483. . . . . . . . . . . . . . . . . . 145A (Max.)

- ISL81487 . . . . . . . . . . . . . . . . . . . . . . . . . 420A (Max.)

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

• Three State Rx and Tx Outputs

• 30ns Propagation Delays, 5ns Skew (ISL81487)

• Half Duplex Pinouts

Slew rate limited drivers on the ISL8487 and ISL81483

reduce EMI, and minimize reflections from improperly

terminated transmission lines, or unterminated stubs in

multidrop and multipoint applications. Data rates up to

250kbps are achievable with these devices.

• Operate from a Single +5V Supply (10% Tolerance)

• Current Limiting and Thermal Shutdown for Driver

Overload Protection

Data rates up to 5Mbps are achievable by using the

ISL81487, which features higher slew rates.

• Drop-In Replacements for: MAX487 (ISL8487); MAX1483

(ISL81483); MAX1487, LMS1487 (ISL81487)

Receiver (Rx) inputs feature a “fail-safe if open” design,

which ensures a logic high Rx output if Rx inputs are floating.

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

Driver (Tx) outputs are short circuit protected, even for

voltages exceeding the power supply voltage. Additionally,

on-chip thermal shutdown circuitry disables the Tx outputs to

prevent damage if power dissipation becomes excessive.

• High Node Count Networks

• Automated Utility Meter Reading Systems

• Factory Automation

These half duplex devices multiplex the Rx inputs and Tx

outputs to allow transceivers with Rx and Tx disable

functions in 8 lead packages.

• Security Networks

• Building Environmental Control Systems

• Industrial/Process Control Networks

TABLE 1. SUMMARY OF FEATURES

RECEIVER/

DRIVER

ENABLE?

PART

NUMBER

HALF/FULL

DUPLEX

NO. OF DEVICES DATA RATE SLEW-RATE

QUIESCENT LOW POWER

ALLOWED ON BUS

(Mbps)

LIMITED?

(A) SHUTDOWN? COUNT

120

ISL8487

Half

128

0.25

Yes

(No longer

available or

supported)

ISL81483

ISL81487

Half

256

0.25

Yes

120

350

Yes

FN6050 Rev 8.00

March 14, 2016

Page 1 of 14

12 3 4 5 6 7...14

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与ISL8487IBZ-T相关器件

型号	品牌	获取价格	描述	数据表
ISL8487IP	INTERSIL	获取价格	1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
ISL8487IP	RENESAS	获取价格	LINE TRANSCEIVER, PDIP8, PLASTIC, MS-001BA, DIP-8
ISL8487IPZ	INTERSIL	获取价格	1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
ISL8487IPZ	RENESAS	获取价格	LINE TRANSCEIVER, PDIP8, ROHS COMPLIANT, PLASTIC, MS-001BA, DIP-8
ISL8488	INTERSIL	获取价格	5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
ISL8488E	INTERSIL	获取价格	+-15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485
ISL8488E	RENESAS	获取价格	±15kV ESD Protected, 5V, Low Power, High Spee
ISL8488E_07	INTERSIL	获取价格	【15kV ESD Protected, 5V, Low Power, High Spee
ISL8488EIB	INTERSIL	获取价格	+-15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485
ISL8488EIB	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO8, PLASTIC, MS-012AA, SOIC-8

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