This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.
TMS3705DDRQ1

  • TMS3705DDRQ1

Request Information For TMS3705DDRQ1

AvNet Arrow DigiKey Element14 RS Netwark Future Mouser Farnell TME tti verical
Looking for one or more parts? Have any date code or packaging restrictions? Please let the stocking distributors know here.

TMS3705DDRQ1 Overview

The TMS3705 transponder base station IC is 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 frequency shift keyed (FSK) signal. The high or low bits are coded in two different high-frequency signals (134.2 kHz for low bits and 123 kHz for high bits, nominal). The transponder induces these signals in the antenna coil according an internally stored code. The energy that 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:

The base station IC has an on-chip PLL that generates a clock frequency of 16 MHz for internal clock supply only. Only TMS3705DDRQ1 is recommended in combination with AES transponder products (for example, TRPWS21GTEA or RF430F5xxx). TMS3705EDRQ1 is recommended for best performance in combination with DST40, DST80, MPT transponders (for example, TMS37145TEAx, TMS37126xx, TMS37x128xx, TMS37x136xx, TMS37x158xx, RI-TRP-DR2B-xx, RI-TRP-BRHP-xx) and cannot be used in combination with AES transponder products.

tms3705ddrq1-1

Features

  • 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
  • Sleep-Mode Supply Current: 0.2 mA
  • Designed for Automotive Requirements
  • 16-Pin SOIC (D) Package

Product Parameters

  • genericPartNumber

    TMS3705

  • partDescription

    LF Reader IC

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    2500|LARGE T&R

  • orderablePartNumber

    TMS3705DDRQ1

  • statusDisplay

    ACTIVE

  • packageQuantity

    2500

  • packagePins

    SOIC (D)|16

Technical Documents

  • TMS3705 Passive Antenna SolutionDetails>>

  • Integrated TIRIS RF Module TMS3705A Introduction to Low Frequency Reader (Rev. A)Details>>

  • TMS3705 Range Extender Power Solution Using UCC27424-Q1Details>>

Related Products

Other distributor's price

Distributor Part # Mfg. Description Price
arrow TMS3705DDRQ1 Texas Instruments Transponder Base Station Reader IC

2500---$4.4600
digikey TMS3705DDRQ1 Texas Instruments IC RFID READER 134.2KHZ 16SOIC

1---$8.9200

10---$8.1770

25---$7.4340

100---$6.6906

250---$6.1330

500---$5.5755
mouser TMS3705DDRQ1 Texas Instruments NFC/RFID Tags & Transponders LF Reader IC 16-SOIC -40 to 85

1---$9.3800

10---$8.4700

25---$8.0800

100---$7.0100

250---$6.7000

500---$6.1100

1000---$5.7200

2500---$5.7100

Associated Products

Blogs

More Blogs