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ST1480ACDR Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce ST1480ACDR
Description  3.3 V powered, 15 kV ESD protected, up to 12 Mbps true RS-485/RS-422 transceiver
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1480ACDR Fiches technique(HTML) 1 Page - STMicroelectronics

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November 2007
Rev 3
1/22
22
ST1480AB
ST1480AC
3.3 V powered, 15 kV ESD protected,
up to 12 Mbps true RS-485/RS-422 transceiver
Features
ESD protection
– ±15 kV human body model
– ±8 kV IEC 1000-4-2 contact discharge
Operate from a single 3.3 V supply - no charge
pump required
Interoperable with 5 V logic
1 µA low current shutdown mode max
Guaranteed 12 Mbps data rate
-7 to 12 common mode input voltage range
Half duplex versions available
Industry standard 75176 pinout
Current limiting and thermal shutdown for
driver overload protection
Guaranteed high receiver output state for
floating, shorted or terminated inputs with no
signal present
Allow up to 64 transceivers on the bus
Description
The ST1480A is ±15 kV ESD protected, 3.3 V low
power transceiver for RS-485 and RS-422
communications. The device contains one driver
and one receiver in half duplex configuration.
The ST1480A transmits and receives at a
guaranteed data rate of at least 12 Mbps.
All transmitter outputs and receiver inputs are
protected to ±15 kV using Human Body Model.
Driver is short-circuit current limited and is
protected against excessive power dissipation by
thermal shutdown circuitry that places the driver
outputs into a high-impedance state.
The ST1480A input has a true fail-safe feature
that guarantees a logic high output if both inputs
are open circuit, shorted together or in the
presence of a termination with no signal on the
bus.
SO-8
DIP-8
Figure 1.
Device summary
Part number
Temperature range
Package
Packaging
ST1480ACN
0 to 70 °C
DIP-8
50 parts per tube / 40 tube per box
ST1480ACDR
0 to 70 °C
SO-8 (tape & reel)
2500 parts per reel
ST1480ABDR
-40 to 85 °C
SO-8 (tape & reel)
2500 parts per reel
www.st.com


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