Datasheet > MC33690

MC33690

更新时间： 2024-11-18 11:09:15

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MC33690 Standalone Tag

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MC33690 数据手册

Freescale Semiconductor

Data Sheet: Product Preview

Document Number: SC33690DS

Rev. 5, 02/2007

MC33690

SOIC-20

MC33690 Standalone Tag

Reader Circuit

The standalone tag reader circuit (STARC) is an integrated

circuit dedicated to the automotive immobilizer applications.

It combines the antenna drivers and demodulator necessary to

interface with a transponder.

Pin Connections

VSUP

SOURCE

GATE

TD1

A low dropout voltage regulator and a physical interface fully

compatible with the ISO 9141 norm are also available.

The STARC is fabricated with the SMARTMOSTM3.5

technology. This process is a double layer metal 1.4µm

45V technology, combining CMOS and bipolar devices.

• Contactless 125 kHz tag reader module:

– Self synchronous sample and hold demodulator

– Amplitude or phase modulation detection

– High sensitivity

XTAL1

XTAL2

VSS

VDD

TD2

LVR

MODE1

MODE2

DOUT

CEXT

AGND

– Fast read after write demodulator settling time

– Low resistance and high current antenna drivers, 2W @

150mA (typ.)

ORDERING INFORMATION

– Bidirectionnal data transmission

– Multi-tag, multi-scheme operation

• Low dropout voltage regulator:

Operating

Junction

Temperature

Range

Device

Package

– 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

MC33690DW

T_J= −40°C to SOIC 20

125°C

MC33690DWE TJ = −40°C to SOIC 20

125°C (ROHS)

– Low current consumption in standby mode:

– 300µA (typ.)

• ISO 9141 transmitter and receiver module:

– Input voltage thresholds ratiometric to the supply

voltage

– Current limitation

– Output slew rate control

– No external protection device required

This document contains information on a product under development. Freescale reserves the

right to change or discontinue this product without notice.

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