Datasheet > TMS3705ADR

TMS3705ADR

更新时间： 2024-09-15 04:27:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
1页	149K
描述
LF Base Station IC

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TMS3705ADR 数据手册

RA D I O FR E Q U E N C Y ID E N T I F I C A T I O N SY S T E M S

LF Base Station IC

TMS3705ADR

The LF base station IC TMS3705ADR allows efficient development and

production of RFID readers for vehicle immobilizers. This base station

IC drives the antenna of a TI-RFid transponder system to send data modulated on the antenna signal, and

to detect and demodulate the response from the transponder. It allows also minimizing the external

component count.

Key functions:

Low current consumption in sleep mode

Automatic transponder frequency measurement and adaptation

Diagnosis function

Full bridge antenna driver

Built in band-pass filter and limiter

Digital FSK demodulator

High speed data transmission in synchronous mode

Power on reset

PLL

Short circuit protection

Support of all TI-RFID LF transponder functions

Specifications:

Part Number

RI-TMS3705ADR

Operating Frequency

Typical 134.2kHz, FSK

4.5V to 5.5V DC

Operating Voltage

Charge Phase (without antenna load) typical 8 mA;

Sleep Mode (without I/O currents) typical 15 µA;

max. 20mA

max. 0.2mA

Current Consumption

Interface to Micro Controller

Antenna Inductivity

Two wire multifunctional serial interface, 15625 baud

400µH - 700µH recommended

-2000V to +2000V

ESD Protection (MILSTD 883, HBM )

Operating Temperature

Storage Temperature

-40°C to +85°C

-40°C to +100°C (125°C up to 1000hrs over lifetime)

SO 16 (10 mm x 6 mm)

Package / Pin count

Packing / Delivery

Tape on Reel, 2500 units per reel

For more information, contact the sales office or distributor nearest you. This contact information can be found

on our web site at:

http://www.ti-rfid.com

Texas Instruments reserves the right to change its products and services at any time without notice. TI provides customer assistance in various

technical areas, but does not have full access to data concerning the uses and applications of customers products. Therefore, TI assumes no

responsibility for customer product design or for infringement of patents and/or the rights of third parties, which may result from assistance

provided by TI.

11-07-22-003 11/03

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