Datasheet > ISL8485E

ISL8485E

更新时间： 2024-11-27 14:57:27

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
15页	832K
描述
ESD Protected to ±15kV, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

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中文翻译

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数据手册

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ISL8485E 数据手册

DATASHEET

ISL8483E, ISL8485E

ESD Protected to ±15kV, 5V, Low Power, High Speed or Slew Rate Limited

RS-485/RS-422 Transceivers

FN6048

Rev.13.00

Sep 24, 2018

The ISL8483E and ISL8485E are ESD protected, BiCMOS 5V

Features

powered, single transceivers that meet both the RS-485 and

• Pb-Free (RoHS compliant)

RS-422 standards for balanced communication. Each driver

output/receiver input is protected against ±15kV ESD strikes

without latch-up. Unlike competitive devices, this Renesas

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

• Extended industrial temperature options (+125°C)

• RS-485 I/O pin ESD protection . . . . . . . . . . . . . . ±15kV HBM

- Class 3 ESD level on all other pins. . . . . . . . . . . >7kV HBM

The ISL8483E uses slew rate limited drivers that reduce EMI

and minimize reflections from improperly terminated

transmission lines or unterminated stubs in multidrop and

multipoint applications.

• Specified for 10% tolerance supplies

• High data rate version (ISL8485E). . . . . . . . . . up to 10Mbps

• Slew rate limited version for error free data transmission

(ISL8483E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 250kbps

Data rates up to 10Mbps are achievable by using the

ISL8485E, which features higher slew rates.

• Single unit load allows up to 32 devices on the bus

• 1nA low current Shutdown mode (ISL8483E)

Both devices present a “single unit load” to the RS-485 bus,

which allows up to 32 transceivers on the network.

• Low quiescent current:

- 160µA (ISL8483E)

- 500µA (ISL8485E)

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

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

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.

• -7V to +12V common-mode input voltage range

• Three-state Rx and Tx outputs

• 30ns propagation delays, 5ns skew (ISL8485E)

• Operate from a single +5V supply (10% tolerance)

These half duplex configurations multiplex the Rx inputs and

Tx outputs to allow transceivers with Rx and Tx disable

functions in 8 Ld packages.

• Current limiting and thermal shutdown for driver overload

protection

Related Literature

For a full list of related documents, visit our website:

Applications

• Factory automation

• ISL8483E and ISL8485E product pages

• Security networks

• Building environmental control systems

• Industrial/process control networks

• Level translators (such as RS-232 to RS-422)

• RS-232 “extension cords”

TABLE 1. SUMMARY OF FEATURES

NO. OF

DEVICES

ALLOWED

ON BUS

PART

NUMBER

HALF/FULL

DUPLEX

DATA RATE

(Mbps)

SLEW-RATE

LIMITED?

RECEIVER/DRIVER

ENABLE?

QUIESCENT I

(µA)

LOW POWER

SHUTDOWN?

COUNT

ISL8483E

ISL8485E

Half

0.25

Yes

160

500

Yes

FN6048 Rev.13.00

Sep 24, 2018

Page 1 of 15

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与ISL8485E相关器件

型号	品牌	获取价格	描述	数据表
ISL8485EABZ	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485EABZ-T	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485ECB	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485ECB	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO8, PLASTIC, MS-012AA, SOIC-8
ISL8485ECB-T	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485ECBZ	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485ECBZ-T	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485ECP	INTERSIL	获取价格	ESD Protected to 【15kV, 5V, Low Power, High S
ISL8485ECP	ROCHESTER	获取价格	LINE TRANSCEIVER, PDIP8, PLASTIC, MS-001BA, DIP-8
ISL8485ECP-T	RENESAS	获取价格	LINE TRANSCEIVER, PDIP8, PLASTIC, MS-001BA, 8 PIN

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