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NCN5120

ON Semiconductor
Part Number NCN5120
Manufacturer ON Semiconductor
Description Transceiver
Published Nov 7, 2013
Detailed Description NCN5120 Transceiver for KNX Twisted Pair Networks Introduction NCN5120 is a receiver−transmitter IC suitable for use in...
Datasheet PDF File NCN5120 PDF File

NCN5120
NCN5120

Overview
NCN5120 Transceiver for KNX Twisted Pair Networks Introduction NCN5120 is a receiver−transmitter IC suitable for use in KNX twisted pair networks (KNX TP1−256).
It supports the connection of actuators, sensors, microcontrollers, switches or other applications in a building network.
NCN5120 handles the transmission and reception of data on the bus.
It generates from the unregulated bus voltage stabilized voltages for its own power needs as well as to power external devices, for example, a microcontroller.
NCN5120 assures safe coupling to and decoupling from the bus.
Bus monitoring warns the external microcontroller in case of loss of power so that critical data can be stored in time.
Key Features • 9600 baud KNX Communication Speed • Supervision of KNX Bus Voltage • Supports Bus Current Consumption up to 13 and 26 mA • Selectable KNX Bus Current (0.
5 mA/ms and 1.
0 mA/ms) • High Efficient DC−DC Converters ♦ 3.
3 V Fixed ♦ 3.
3 V to 21 V Selectable • Control and Monitoring of Power Regulators • Linear 20 V Regulator • Prepared for Sleep Mode • Buffering of Sent Data Frames (Extended Frames Supported) • Selectable UART or SPI Interface to Host Controller • Selectable UART and SPI baud Rate to Host Controller • Optional CRC on UART to the Host • Optional Received Frame−end with MARKER Service • Optional Direct Coupling of RxD and TxD to Host (analog mode) • Operates with Industry Standard Low Cost 16 MHz Quartz • Generates Clock of 8 or 16 MHz for External Devices • Auto Acknowledge (optional) • Auto Polling (optional) • Temperature Monitoring • Operating Temperature Range −25°C to +85°C • These Devices are Pb−Free and are RoHS Compliant www.
onsemi.
com 1 40 QFN40 MN SUFFIX CASE 485AU MARKING DIAGRAM NCN5120 21245−002 AWLYYWWG A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 54 of this data sheet.
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