TSS721AD - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TSS721AD
Manufacturer

TI
ChipWorker Part#

CW4507144
Category

Interface IC, Interface Controller
Package

SOIC-16
Description

TEXAS INSTRUMENTS TSS721AD Specialized Interface, Multi-energy Utility Meters, 2.5V, 3.8V, SOIC, 16Pins
Documentation

Datasheet

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TSS721AD Specifications

Attribute	Attribute Value

Part Number	TSS721AD
Manufacturer	TI
ChipWorker Part#	CW4507144
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	2.50V (min)
Supply Current	0.65 mA
Number of Positions	16 Position
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-25 ℃
Supply Voltage	3.3 V
Supply Voltage (Max)	3.8 V
Supply Voltage (Min)	2.5 V
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Size-Length	9.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The TSS721AD is a Single-chip Transceiver developed for Meter-Bus standard (EN1434-3) applications. This 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. The circuit is supplied by the master via the bus. Therefore, this circuit offers no additional load for the slave battery. A power-fail function is integrated. The receiver has dynamic level recognition and the transmitter has a programmable current sink. A 3.3V voltage regulator, with power reserve for a delayed switch off at bus fault, is integrated.
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
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
Green product and no Sb/Br
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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