锐单电子商城 , 一站式电子元器件采购平台!
  • 电话:400-990-0325

TMS3705DDRQ1

LF 阅读器 IC 16-SOIC -40 to 85

The TMS3705 transponder base station IC is used to drive the antenna of a -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 TMS3705BDRG4 and are recommended in combination with AES transponder products for example, TRPWS21GTEA or RF430F5xxx. TMS3705A1DRG4 cannot be used in combination with AES transponder products.

TMS3705DDRQ1 PDF数据文档
图片 型号 厂商 下载
TMS3705DDRQ1 TI 德州仪器
TMS320F28035PAG TI 德州仪器
TMS320C54CSTPGE TI 德州仪器
TMS320C25FNL TI 德州仪器
TMS320C6424ZWTQ6 TI 德州仪器
TMS320C6455BCTZ TI 德州仪器
TMS320F2812GHHA TI 德州仪器
TMS320C6748EZWTD4 TI 德州仪器
TMS320VC33PGEA120 TI 德州仪器
TMS320C6674ACYPA TI 德州仪器
TMS320C6678ACYPA TI 德州仪器