ISL8487EIBZ-T 1/1 Transceiver Half RS422 RS485 8-SOIC

The ISL8487E, ISL81487L, and ISL81487E RS-485/RS-422 devices are ESD protected, fractional unit load (UL), BiCMOS, 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Each driver output/receiver input is protected against ±15kV ESD strikes without latch-up. Unlike competitive devices, this device family is specified for 10% tolerance supplies (4.5V to 5.5V).

All devices 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 (for example, process automation and remote meter reading systems). In a remote utility meter reading system, individual utility meter readings (in apartments, for example) are routed to a concentrator with 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 from a single access port or a wireless link.

Slew rate limited drivers on the ISL8487E and ISL81487L 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. Data rates up to 5Mbps are achievable by using the ISL81487E, which features higher slew rates.

The receiver (Rx) inputs feature a “fail-safe if open” design, which ensures a logic high Rx output if Rx inputs are floating.

The 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.

The half duplex devices multiplex the Rx inputs and Tx outputs to allow transceivers with Rx and Tx disable functions in 8 lead packages.

Features

• RS-485 I/O pin ESD protection ±15kV HBM - Class 3 ESD level on all other pins >7kV HBM

• Fractional unit load allows up to 256 devices on the bus

• Specified for 10% tolerance supplies

• High data rate version (ISL81487E) up to 5Mbps

• Slew rate limited versions for error free data transmission (ISL8487E, ISL81487L) up to 250kbps

• Low current shutdown mode (except ISL81487E) 0.5µA

• Low quiescent supply current:

- ISL8487E, ISL81487L 145µA (maximum)

- ISL81487E 420µA (maximum)

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

• Three state Rx and Tx outputs

• 30ns propagation delays, 5ns skew (ISL81487E)

• Half duplex pinouts

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

• Current limiting and thermal shutdown for driver overload protection

• Pin compatible replacements for: MAX487E, (ISL8487E); LTC1487, ADM1487 (ISL81487L); MAX1487E, ST485ER (ISL81487E)

• Pb-free plus anneal available (RoHS compliant)

Applications

• High node count networks

• Automated utility meter reading systems

• Factory automation

• Security networks

• Building environmental control systems

• Industrial/process control networks

Specification of ISL8487EIBZ-T

ORIGINAL

Our company ensures that each batch of products comes from the original factory, and can provide original labels and professional testing agency reports.

PRICE

We provide a variety of quotation channels, and sign the order contract after negotiation.

TRANSACTION

After communication and agreement, we will guide you to arrange payment.

DELIVERY CYCLE

Delivery on the same day, generally 5-12 working days, may be slightly delayed during the epidemic, we will follow up the whole process.

TRANSPORT

We will choose the appropriate transportation mode according to your country.

PACKAGING

After communication with you, we will choose the appropriate packaging method according to the weight of the goods to ensure the safe delivery of the goods.

Shenzhen Xinyuanpeng Technology Co., Ltd. is a special distributor focusing on electronic components of global famous brands.

It mainly distributes TI, ST, RENESAS, INFINEON, MICROCHIP, NXP, ON, DIODES and other domestic and foreign brands, and is a well-known wholesaler and channel provider of electronic components at home and abroad. The company adheres to the concept of "integrity, innovation, harmony and win-win", and adheres to the principle of "quality first, customer first" to serve customers at home and abroad. We will solve the problems of new and old customers with professional product application knowledge and timely and effective services. The company's distribution products include integrated circuits, memory chips, microprocessors, amplifiers, power ICs, optocouplers, driver ICs, LED light-emitting diodes, transistors and other electronic components. Customers focus on aerospace, military, medical equipment, automotive electronics, power, computer, communications, telecommunications, consumer electronics, security monitoring, electronic instruments, intelligent robots, industrial control instruments and other industries. Strong business: high-end IC, military IC, power IC, MCU, power amplifier operational amplifier, logic chip, optocoupler, etc.

With the joint efforts of all employees and the support of our customers, the company continues to innovate and develop step by step, wholeheartedly provides all-round services to customers at home and abroad, and promises that all materials sold from the company: only original and authentic products, and all fake goods are prohibited. We hope to cooperate with new and old customers for mutual benefit and win-win results!