A2SI-E Datasheet PDF - Zentrum Mikroelektronik Dresden

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A2SI-E
Zentrum Mikroelektronik Dresden

Part Number A2SI-E
Description Advanced AS-Interface IC
Page 2 Pages


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A2SI-E
Advanced AS-Interface IC
Features
AS-i Complete Specification V2.11 compliant
Integrated EEPROM
Additional addressing channel using an opto-
electronic interface
Extended address mode operation as
programmable option (up to 62 slaves)
High impedance AS-i line input, additional pins
for further impedance optimizations
DC voltage output, approximately 24 volts, not
stabilized
5 volt DC voltage output, stabilized, CMOS
logic can be supplied directly (e.g. µC)
LED status indicator output (compliant with the
standard indication recommendation)
Integrated watchdog
Temperature range -25°C to + 105°C
Block Diagram
Description
A²SI-E is a monolithic CMOS integrated circuit
certified for AS-i (Actuator Sensor-interface)
networks. AS-i networks are intended for industrial
automation.
The main advantage of AS-i solutions is that
actuators and sensors are connected using a two-
wire unshielded cable that is easy to install. This
cable transports both power and information/data.
AS-i network communication is based on the
master-slave principle. The network can be
extended (to cable lengths greater than 100m) by
using the A²SI-E in the repeater mode configuration.
Furthermore, the A²SI-E is used as slave interface
to sensors / actuators and as master interface.
AS-i is a standard for the automation industry based
on IEC 62026-2 and EN 50295.
The device is available in a 28-pin SOP (300 mils)
package.
RCAP
ASI+
ASI–
CAP
CCAP
ASIP
ASIN
2.2 µF
10 µF
UIN UOUT
A SI-E2
ELECTRONIC
INDUCTOR
POWERFAIL
DETECTION
RECEIVE
TRANSMIT
5V
24V
U5R U5RD
8 MHz
OSC1/2
POWER
SUPPLY
OSCILLATOR
DIGITAL
LOGIC
4
4
4
THERMAL
PROTECTION
GND2
GND1
IRD
AMP
DOx
DIx
DSR
PST
Px
0V GND IRD
LED FID
Copyright © 2002, ZMD AG Data Sheet, Rev. 1.2, October 21, 2002 Printed in Germany,
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The
Information furnished in this publication is preliminary and subject to changes without notice.



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A2SI-E
Advanced AS-Interface IC
Application
The A²SI-E is packaged in 28-pin SOP, which exhibits a lower thermal resistance than the 28-pin SSOP package
of A²SI IC.
Besides applications that require higher operating ambient temperature than possible with A²SI, A²SI-E
accommodates applications which require a higher power dissipation of the integrated circuit. The thermal
resistance of the SOP package of the A²SI-E integrated circuit is ideal for master and/or repeater applications.
Ordering Information
Ordering
Code
Description
A2SI-E-ST
Standard version
of A²SI-E
A2SI-E-SR Standard version
of A²SI-E
A2SI-E-MT Pre-programmed
master function
A2SI-E-MR Pre-programmed
master function
Operating Temperature
Range
-25°C to 105°C
-25°C to 105°C
-25°C to 105°C
-25°C to 105°C
Package Type
Device
Marking
28-pin SOP
(300 mils)
A²SI-E
28-pin SOP
(300 mils)
A²SI-E
28-pin SOP
(300 mils)
A²SI-E
+ yellow dot
28-pin SOP
(300 mils)
A²SI-E
+ yellow dot
Shipping Form
Tubes
(27 parts/tube)
Tape-and-Reel
(1000 parts/reel)
Tubes
(27 parts/tube)
Tape-and-Reel
(1000 parts/reel)
For further
information:
ZMD Stuttgart Office
Nord-West-Ring 34
70974 Filderstadt- Bernhausen
Tel.: +49 (0)711.674.517-0
Fax: +49 (0)711.674.517-99
sales@zmd.de
ZMD AG
Grenzstrasse 28
01109 Dresden, Germany
Tel.: +49 (0)351.8822.310
Fax: +49 (0)351.8822.337
sales@zmd.de
ZMD America Inc.
201 Old Country Road, Ste 204
Melville, NY 11747
Tel.: (631) 549-2666
Fax: (631) 549-2882
sensors@zmda.com
Copyright © 2002, ZMD AG Data Sheet, Rev. 1.2, October 21, 2002 Printed in Germany,
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The
Information furnished in this publication is preliminary and subject to changes without notice.



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