MC33690DW ,STANDALONE TAG READER CIRCUITMOTOROLAOrder this documentSEMICONDUCTOR TECHNICAL by MC33690/DMC33690Standalone Tag Reader Circuit ..
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MC33690DW
STANDALONE TAG READER CIRCUIT
SEMICONDUCTOR TECHNICAL MOTOROLA
Standalone T ag Reader Circuit
STARCThe Standalone Tag Reader Circuit (STARC) is an integrated
circuit dedicated to the automotive immobilizer applications. It
combines on the same chip all the circuitry to interface with a
transponder : antenna drivers and demodulator.
A low dropout voltage regulator and a physical interface fully
compatible with the ISO 9141 norm are also available.
The Standalone Tag Reader Circuit is fabricated with the
SMARTMOSTM 3.5 technology. This process is a double layer
metal, 1.4µm, 45V technology, combining CMOS and bipolar
devices.
Contactless 125kHz tag reader module : Self synchronous sample & hold demodulator Amplitude or phase modulation detection High sensitivity Fast “read after write“ demodulator settling time Low resistance and high current antenna drivers :
2Ω @ 150mA (typ.) Bidirectionnal data transmission Multi tag, multi scheme operation.
Low dropout voltage regulator : Wide input supply voltage range :
from 5.5V up to 40V Output current capability up to 150mA DC with an
external power transistor 5V output voltage with a ± 5% accuracy Low voltage reset function Low current consumption in standby mode :
300µA (typ.).
ISO 9141 transmitter and receiver module : Input voltage thresholds ratiometric to the supply
voltage Current limitation Ouput slew rate control No external protection device required.
ORDERING INFORMATION
