Product Summary

The zt485leep is a 5V differential data line transceiver for RS485/RS422 communication that consist of one driver and one receiver with high level of ESD protection. It is ideal for (1)RS422/RS485 communications; (2)Utility meters; (3)Industrial process control; (4)Building automation; (5)Level tranlators; (6)Transceivers for EMI-sensitive applications; (7)Routers and HUBs; (8)Industrial-controlled Local Area Networks; (9)Industrial PCs, embedded PCs and peripherals; (10)Industrial, security CATV and camera applications.

Parametrics

zt485leep absolute maximum ratings: (1)Power Supply, (VCC): –0.3V to +6.0V; (2)DI, DE, RE (VIH), High Input Voltage: +2V to +6.0V; (3)DI, DE, RE (VIL), Low Input Voltage: 0V to +0.8V; (4)Differential Input Voltage, (VID): -12V to +12V; (5)A, B (VI): +12V to -7V; (6)RO: –0.3V to (VCC +0.3V); (7)Y, Z (A & B on ZT485): +12V to -7V; (8)Operating Temperature: –40°C to +85°C; (9)Storage Temperature: –65°C to +150°C; (10)Power Dissipation Per Package 8-pin PDIP (derate 9.09mW/°C above +70°C): 722mW.

Features

zt485leep features: (1)Meets or exceeds the requirements of ANSI Standard TIA/EIA-485-A and ISO 8482:1987(E)specifications for VCC at +5V ±5%; (2)Low quiescent current – 0.5mA typ., 1mA max.; (3)Low shutdown current (where applicable)- 0.01μA typical, 10μA max.; (4)Guaranteed standard data rate 250kbps or 10Mbps; (5)Thermal shutdown protection; (6)-7V to +12V common-mode input voltage range; (7)Half-Duplex or Full-Duplex configuration; (8)Allows up to 1 unit load (32 devices)on the same common bus; (9)Controlled driver output slew rate and receiver input filtering; (10)Active-high driver enable and active-low receiver enable; (11)ESD Protection on bus terminals.

Diagrams

zt485leep pin connection