ZT488H数据手册ASIX中文资料规格书

描述 Description

The ZT485H series devices are 5V differential data line transceivers for RS485/RS422 communication that consist of one driver and one receiver with high level of ESD protection. They are designed for balanced transmission lines interface that meet ANSI standard TIA/EIA-485-A and ISO 8482:1987(E) specifications.

特性 Features

• Meets or exceeds the requirements of ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E) specifications for V cc at +5V ±10%
• Low quiescent current – 0.5mA typ., 1mA max
• Low shutdown current (where applicable) - 1μA typical, 10μA max
• Guaranteed standard data rate 250Kbps or 10Mbps
• True Fail-Safe (Open, Short, Bus Idle) Receiver
• -7V to +12V common-mode input voltage range
• Half-Duplex mode configuration
• Allows up to 1/8 unit load (256 devices) on the same common bus
• Controlled driver output slew rate and receiver input filtering
• Active-high driver enable and active-low receiver Enable
• ESD protection on bus terminals
-- ±15kV Human Body Model (HBM)
• Alternative replacement for MAX308x, MAX1308x, SN75HVD308x, SN65HVD308x
• Standard fanout driving 1 unit load (32 devices) on the ZT485E Series

应用 Application

·RS422/RS485 communications
·Utility meters
·Industrial process control
·Building automation
·Level translators
·Transceivers for EMI-sensitive applications
·Routers and HUBs
·Industrial-controlled Local Area Networks
·Industrial PCs, embedded PCs and peripherals
·Industrial, security CATV and camera applications