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TPT487

Description
3.0V to 5.5V RS-485 Transceivers
CategoryThe RS - 485 / RS - 422 chips   
File Size841KB,12 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

TPT487 Overview

3.0V to 5.5V RS-485 Transceivers

TPT487 Parametric

Parameter NameAttribute value
Part NumberTPT487
StatusProduction
Supply Voltage(V)3-5.5
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
PackageSOP8MSOP8DFN8L

TPT487 Preview

Download Datasheet
TPT487
3.0V to 5.5V RS-485 Transceivers
Features
Exceeds Requirements of EIA-485 Standard
Hot Plug Circuitry - Tx and Rx Outputs Remain Three-
State During Power-up/Power-down
Data Rate: 500 Kbps
Up to 256 Nodes on a Bus (1/8 unit load) at 500kbps
Full Fail-safe Receiver (Open, Short, Terminated)
Wide Supply Voltage 3V to 5.5V
Bus-Pin Protection:
±18 kV HBM ESD
±15 kV IEC61000-4-2 Contact Discharge
±18 kV IEC61000-4-2 Air Discharge
–40°C
to 125°C Operation Temperature Range
Description
The TPT487 are IEC61000 ESD protected, 3.0V to 5.5V
powered transceivers that meet the RS-485 and RS-422
standards for balanced communication.
Transmitters in this family deliver exceptional differential output
voltages into the RS-485 required 54Ω load. These 500kbps
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.
TPT487 is designed for half-duplex RS485, and support SOP8,
MSOP8 and DFN3X3-8L package, which is characterized from
–40°C to 125°C.
Applications
Motor Drives
Industrial Control
Communication Infrastructure
Device Table
Part
TPT487
Duplex
Half
Enable
Yes
Data Rate
500Kbps
Nodes
256
Simplified Schematic
TPT487 Block Diagram
TPT481, TPT487
TPT482, TPT488
TPT487 Network
TPT482A, TPT488A
www.3peakic.com.cn
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