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TPT485E

Description
±18K ESD Protection, RS-485 Transceiver
CategoryThe RS - 485 / RS - 422 chips   
File Size1MB,8 Pages
Manufacturer3PEAK INCORPORATED
Websitehttp://www.3peakic.com.cn

3PEAK is a global semiconductor supplier that provides analog power, signal chain and embedded processor product portfolios. It is committed to the research and development of high-performance, high-quality, and high-reliability integrated circuit products to provide customers with comprehensive solutions. Its product applications cover many fields such as communications, industry, security monitoring, medical and health, instrumentation, new energy, and automotive industries. 3PEAK is headquartered in Plano, Texas, USA and Shanghai, China, with a global support team and resources to help customers.

Download Datasheet Parametric View All

TPT485E Overview

±18K ESD Protection, RS-485 Transceiver

TPT485E Parametric

Parameter NameAttribute value
Part NumberTPT485E
StatusProduction
Supply Voltage(V)4.5-5.5
Data Rate(Mbps)0.5
DUPLEXHalf
No. of Tx.1
No. of Rx.1
Bus Nodes256
HBM ESD(kV)18
IEC-61000-4-2 Contact(kV)12
Bus-Polarity CorrectingNO
Operating Temperature Range(°C)-40 to +125
PackageSOP8

TPT485E Preview

Download Datasheet
3PEAK
Features
Exceeds Requirements of EIA-485 Standard
Data Rate: 500 kbps
Support Failsafe function
Low Power Consumption: < 1 µA Standby
Supply Current
Large Receiver Hysteresis: 60mV
Up to 256 Nodes on a Bus (1/8 unit load)
Wide Supply Voltage 4.5V to 5.5V
SOP8 Package for Backward Compatibility
Bus-Pin Protection:
TPT485E
± 18K ESD Protection, RS-485 Transceiver
Description
The TPT485E is 4.5V~5.5V powered transceivers that
meet the RS-485 and RS-422 standards for balanced
communication. Driver outputs and receiver inputs are
protected against ±18 kV ESD strikes without latch-up.
Transmitters in this family deliver exceptional differential
output voltages as 2.5V (min) in 5Vcc power supplier, into
the RS-485 required 54Ω load, for better noise immunity.
These devices have very low bus currents so they present
a true “1/8 unit load” to the RS-485 bus. This allows up to
256 transceivers on the network without using repeaters.
Receiver (RX) inputs feature a “Full Fail-Safe” design,
which ensures a logic high Rx output if Rx inputs are
floating, shorted, or on a terminated but undriven bus.
The TPT485E is available in an SOP8 package, and is
characterized from –40° to 125°
C
C.
±18 kV HBM protection
±12 kV IEC61000-4-2 Contact Discharge
3PEAK and the 3PEAK logo are registered trademarks of
3PEAK INCORPORATED. All other trademarks are the property of their
respective owners.
Applications
E-Metering Networks
HVAC Systems
Video Surveillance Systems
DMX512-Networks
Simplified Schematic
www.3peakic.com.cn
Rev. 0
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