TMS3705A1DRG4 - TI

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

Part No

TMS3705A1DRG4
Manufacturer

TI
ChipWorker Part#

CW28197233
Category

Power Product
Package

SOIC-16
Description

Transponder Base Station IC, 123kHz / 134.2kHz, 8KBps, HDX, FSK, 4.5V to 5.5V supply, SOIC-16
Documentation

Datasheet

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TMS3705A1DRG4 Specifications

Attribute	Attribute Value

Part Number	TMS3705A1DRG4
Manufacturer	TI
ChipWorker Part#	CW28197233
Category	Power Product
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Frequency	134.2 kHz
Supply Voltage (DC)	4.50V (min)
Number of Positions	16 Position
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/12/17
ECCN Code	EAR99

Product Description

The TMS3705A1DRG4 is a Transponder Base Station IC used to drive the antenna of a TI-RFid™ transponder system, to send data modulated on the antenna signal and to detect and demodulate the response of the transponder. The response of the transponder is a FSK signal (frequency shift keyed). The high or low bits are coded in two different high-frequency signals (134.2kHz for low bits and 123kHz for high bits, nominal). The transponder induces these signals in the antenna coil according an internally stored code. The energy the transponder needs to send out the data is stored in a charge capacitor in the transponder. The antenna field charges this capacitor in a preceding charge phase. The IC has an interface to an external microcontroller. There are two configurations for the clock supply to both the microcontroller and the base station IC. Microcontroller and base station IC are supplied with a clock signal derived from only one resonator.
Base station IC for TI-RFid RF identification systems
Drives antenna
Sends modulated data to antenna
Detects and demodulates transponder response (FSK)
Short-circuit protection
Diagnosis
0.2mA Sleep-mode supply current
Green product and no Sb/Br
ESD sensitive device, take proper precaution while handling the device.

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