SN65HVD22DR 1 Driver USB Serial Converter Chip Extended Common Mode Transceiver
uart multiplexer ic
,uart level shifter ic
SN65HVD22DR UART Interface IC RS-485 Interface IC Extended Common-mode Transceiver
1 Features
- Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA-485 Requirement
-
Receiver Equalization Extends Cable LeCM GROUPh, Signaling Rate (SN65HVD2[3,4])
-
Reduced Unit-Load for up to 256 Nodes
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Bus I/O Protection to Over 16-kV HBM
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Failsafe Receiver for Open-Circuit, Short-Circuit, and Idle-Bus Conditions
-
Low Standby Supply Current 1 μA (Maximum)
-
More Than 100 mV Receiver Hysteresis
2 Applications
-
Long Cable Solutions
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– Factory Automation
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– Security Networks
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– Building HVAC
-
-
Severe Electrical Environments
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– Electrical Power Inverters
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– Industrial Drives
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– Avionics
-
3 Description
The transceivers in the SN65HVD2x family offer performance far exceeding typical RS-485 devices. In addition to meeting all requirements of the TIA/EIA‐485-A standard. The SN65HVD2x family operates over an extended range of common-mode voltages and has features such as high ESD protection, wide receiver hysteresis, and failsafe operation. This family of devices is ideally suited for long-cable networks and other applications where the environment is too harsh for ordinary transceivers.
These devices are designed for bidirectional data transmission on multipoint twisted-pair cables. Example applications are digital motor controllers, remote sensors and terminals, industrial process control, security stations, and environmental control systems.
These devices combine a 3-state differential driver and a differential receiver that operate from a single 5-V power supply. The driver differential outputs and the receiver differential inputs are connected internally to form a differential bus port that offers minimum loading to the bus. This port features an extended common-mode voltage range, making the device suitable for multipoint applications over long cable runs.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
SN65HVD2x |
SOIC (8) |
4.90 mm × 3.91 mm |
|
PDIP (8) |
9.81 mm × 6.35 mm |
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