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部品型式

ISL8490IBZ

製品説明
仕様・特性

DATASHEET ISL8483, ISL8485, ISL8488, ISL8489, ISL8490, ISL8491 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers The Intersil RS-485/RS-422 devices are BiCMOS 5V powered, single transceivers that 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). The ISL8483, ISL8488, and ISL8489 utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications. Data rates up to 5Mbps are achievable by using the ISL8485, ISL8490, or ISL8491, which feature higher slew rates. All devices present a “single unit load” to the RS-485 bus, which allows up to 32 transceivers on the network. 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. The ISL8488 - 91 are configured for full duplex (separate Rx input and Tx output pins) applications. The ISL8488 and ISL8490 are offered in space saving 8 lead packages for applications not requiring Rx and Tx output disable functions (e.g., point-to-point). Half duplex configurations (ISL8483, ISL8485) multiplex the Rx inputs and Tx outputs to allow transceivers with Rx and Tx disable functions in 8 lead packages. FN6046 Rev 9.00 February 16, 2016 Features • Specified for 10% Tolerance Supplies • Class 3 ESD Protection (HBM) on all Pins. . . . . . . . >7kV • High Data Rates. . . . . . . . . . . . . . . . . . . . . . up to 5Mbps • Slew Rate Limited Versions for Error Free Data Transmission at 250kbps (ISL8483, ISL8488, ISL8489) • Single Unit Load Allows up to 32 Devices on the Bus • 1nA Low Current Shutdown Mode (ISL8483) • Low Quiescent Current: - 160A (ISL8483, ISL8488, ISL8489) - 500A (ISL8485, ISL8490, ISL8491) • -7V to +12V Common Mode Input Voltage Range • Three State Rx and Tx Outputs (Except ISL8488, ISL8490) • 30ns Propagation Delays, 5ns Skew (ISL8485, ISL8490, ISL8491) • Full Duplex and Half Duplex Pinouts • Operate from a Single +5V Supply (10% Tolerance) • Current Limiting and Thermal Shutdown for driver Overload Protection • Pb-Free Plus Anneal Available (RoHS Compliant) Applications • Factory Automation • Security Networks • Building Environmental Control Systems • Industrial/Process Control Networks • Level Translators (e.g., RS-232 to RS-422) • RS-232 “Extension Cords” FN6046 Rev 9.00 February 16, 2016 Page 1 of 18

ブランド

INTERSIL

現況

1999年8月に、Harris Corporationの半導体事業の取得によって発足したグローバル企業である。

会社名

Intersil

事業概要

パワーマネジメントIC企業であり、産業、インフラ、モバイル、車載、航空宇宙機器向けの高効率パワーマネジメントと高精度アナログ技術の開発に携わっている。

供給状況

 
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