TSS721ADR Integrated Circuit IC

Chip Bus Transceivers Meter-Bus Single-Chip Xceiver Package SOIC-Narrow-16

TSS721ADR

TSS721ADR Features

• Meter-Bus Transceiver (for Slave) Meets Standard EN1434-3
• Receiver Logic With Dynamic Level Recognition
• Adjustable Constant-Current Sink via Resistor
• Polarity Independent
• Power-Fail Function
• Module Supply Voltage Switch
• 3.3-V Constant Voltage Source
• Remote Powering
• Up to 9600 Baud in Half Duplex for UART Protocol
• Slave Power Support
• Supply From Meter-Bus via Output VDD
• Supply From Meter-Bus via Output VDD or From Backup Battery
• Supply From Battery – Meter-Bus Active for Data
• Transmission Only

TSS721ADR Description

TSS721ADR is a single chip transceiver developed for Meter-Bus standard (EN1434-3) applications.

The TSS721ADR interface circuit adjusts the different potentials between a slave system and the Meter- Bus master. The connection to the bus is polarity independent and supports full galvanic slave isolation with optocouplers.

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