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Details for MAX14946EWE+ by Maxim Integrated
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
RS422/485 TRANSCEIVER 500KBPS WSOIC-16
MAX14946EWE+ image

MAX14946EWE+ by Maxim Integrated

RS422/485 TRANSCEIVER 500KBPS WSOIC-16
Features
2.75kVRMS Withstand-Isolation Voltage for 60s (VISO)
445VRMS Maximum Working-Isolation Voltage (VIOWM)
500kbps (max) Data Rate
630VPEAK Maximum Repetitive Peak-Isolation Voltage (VIORM)
> 30 Years Lifetime at Rated Working Voltage
Compliant with RS-485 EIA/TIA-485 Standard
High Integration Simplifies Designs
High-Performance Transceiver Enables Flexible Designs
Integrated LDO for Cable-Side Power
Integrated Protection for Robust Communication
Integrated Transformer Driver for Power Transfer to Cable Side Has Up to 80% Efficiency at 150mA Load
Thermal Shutdown
Up to 256 Devices on the Bus
Withstands u00b110kV Surge per IEC 61000-4-5
u00b130kV ESD (HBM) on Driver Outputs/Receiver Inputs
Part Information
MAX14946EWE+ image
RoHS Compliant
Description
The MAX14946 isolated RS-485/RS-422 transceiver provides 2750VRMS (60s) of galvanic isolation between the cable side (RS-485/RS-422 driver/receiver side) and the UARTside of the device. Isolation improves communication by breaking ground loops and reduces noise when there are large differences in ground potential between ports. This device allows for robust communication up to 500kbps. The device includes an integrated 450kHz transformer driver for power transfer to the cable side of the transceiver using an external transformer. An integrated LDO provides a simple and space-efficient architecture for providing power to the cable-side of the IC. The device includes one half-duplex driver/receiver channel. The receiver is 1/8-unit load, allowing up to 256 transceivers on a common bus. Integrated true fail-safe circuitry ensures a logic-high on the receiver output when inputs are shorted or open. Undervoltage lockout disables the driver when cable-side or UART-side power supplies are below functional levels. The driver outputs/receiver inputs are protected from ±30kV electrostatic discharge (ESD) to GNDB on the cable side, as specified by the Human Body Model (HBM). The MAX14946 is available in a wide-body, 16-pin SOIC package and operates over the -40°C to +85°C temperature range.
Specifications
Device Type:
Transceiver
IC Interface Type:
RS422 RS485
No. of Drivers:
1Drivers
No. of Receivers:
1Receivers
Supply Voltage Min:
3V
Supply Voltage Max:
5.5V
Driver Case Style:
WSOIC
No. of Pins:
16Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
IC Generic Number:
MAX14946
SVHC:
No SVHC (15-Jan-2018)
Alternate Descriptions
2.75KV Isolated RS-485 TxCVR +/-30KV ESD RS Components
RS422/485 TRANSCEIVER, 500KBPS, WSOIC-16; Device Type:Transceiver; IC Interface Type:RS422, RS485; No. of Drivers:1Drivers; No. of Receivers:1Receivers; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Driver Case Style:WSOIC; No. of RoHS Compliant: Yes Newark Electronics
Single Transmitter/Receiver RS-422/RS-485 16-Pin SOIC Avnet America
Single Transmitter/Receiver RS-422/RS-485 16-Pin SOIC Avnet Europe
2.75KV Isolated 500kbps Half-Duplex RS-485 Transceiver with +/-30KV ESD and Inte Future Electronics