MC33690_07 Datasheet, PDF (1/26 Pages) Freescale Semiconductor, Inc – MC33690 Standalone Tag

Freescale Semiconductor
Data Sheet: Product Preview
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.
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
– Fast read after write demodulator settling time
– Low resistance and high current antenna drivers, 2W @
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
– Output slew rate control
– No external protection device required
Document Number: SC33690DS
Rev. 5, 02/2007
MC33690
SOIC-20
Pin Connections
VSUP ¹
SOURCE 2
GATE 3
TD1 4
VSS 5
VDD 6
TD2 7
MODE1 8
MODE2 9
RD 10
20 Tx
19 Rx
18 K
17 AM
16 XTAL1
15 XTAL2
14 LVR
13 DOUT
12 CEXT
11 AGND
ORDERING INFORMATION
Device
Operating
Junction
Temperature
Range
Package
MC33690DW
MC33690DWE
T_J = −40°C to
125°C
TJ = −40°C to
125°C
SOIC 20
SOIC 20
(ROHS)
This document contains information on a product under development. Freescale reserves the
right to change or discontinue this product without notice.
© Freescale Semiconductor, Inc., 2007. All rights reserved.