Product Summary
The TMS3705ADR is a LF base station IC. The TMS3705ADR allows efficient development and production of RFID readers for low power hand scanners, stationary readers and 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. The TMS3705ADR also allows minimizing the external component count.
Parametrics
TMS3705ADR absolute maximum ratings: (1)Operating Voltage: 4.5 to 5.5V; (2)Charge Phase (without antenna load) typical 8 mA; max. 20 mA; (3)Current Consumption; (4)Sleep Mode (without I/O currents) typical 15 mA; max. 0.2 mA; (5)ESD Protection (MILSTD 883, HBM ) –2000 to +2000 V; (6)Operating Temperature: –40 to +85℃; (7)Storage Temperature: –40 to +100℃ (125 up to 1000hrs over lifetime).
Features
TMS3705ADR features: (1)low current consumption in sleep mode; (2)automatic transponder frequency measurement and adaptation; (3)diagnosis function; (4)full bridge antenna driver; (5)built in band-pass filter and limiter; (6)digital FSK demodulator; (7)high speed data transmission in synchronous mode; (8)power on reset; (9)PLL; (10)short circuit protection; (11)support of all TI-RFid LF transponder functions.
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