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ET7272

ETIC
Part Number ET7272
Manufacturer ETIC
Description QUAD DIFFERENTIAL LINE DRIVER
Published Feb 22, 2007
Detailed Description www.DataSheet4U.com QUAD DIFFERENTIAL LINE DRIVER WITH SEPARATE LOGIC BIAS AND DRIVER BIAS SUPPLIES, AND ENABLE FUNCTIO...
Datasheet PDF File ET7272 PDF File

ET7272
ET7272

Overview
www.
DataSheet4U.
com QUAD DIFFERENTIAL LINE DRIVER WITH SEPARATE LOGIC BIAS AND DRIVER BIAS SUPPLIES, AND ENABLE FUNCTION ET7272 FEATURES • • • • • • • • • Supply Voltage Range 3.
5V to 30V Operation to 800KHz CMOS and TTL Compatible Inputs Separate logic bias and driver supply pins Optional single supply operation for moderate power applications High Impedance Buffered Inputs with Hysteresis may be driven directly by phototransistors Tri-State outputs 80mA peak SINK/SOURCE current Outputs Protected by Thermal Shut-Down APPLICATIONS • • Optical Encoders Industrial Controls DESCRIPTION These line drivers are pin compatible with 26LS31 in applications where pin 4 = 5V and pin 12 = GND.
Internal clamp diodes allow trouble-free operation when driving cable lengths exceeding 100m.
Split supplies are provided to minimize standby power dissipation in high voltage applications.
The logic should be powered from a regulated 5V supply at the VccBias pin.
The output stages may then be powered by a separate supply at VccDrivers, up to 30V.
Output voltage swings of 0.
3V to VCC-1.
9V are typical.
The outputs are protected against shorts to ground, shorts to Vcc and to other outputs, by a two-fold scheme of current limiting and thermal shutdown.
This assures highly reliable operation in harsh environments.
Heat-sinking may be accomplished at pin 8 which is directly connected to the ASIC substrate.
ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Range Supply Voltage Range(both) Symbol TA VCC Min.
-55 4.
5 Max.
115 30 Units °C V Ref.
ETIC RESERVES THE RIGHT TO MAKE CHANGES AT ANY TIME TO IMPROVE THE DESIGN AND TO SUPPLY THE BEST PRODUCT.
©2000, Rev A1 iC-Haus GmbH Integrated Circuits Am Kuemmerling 18, D-55294 Bodenheim Page 1 of 3 Tel +49-6135-9292-0 Fax +49-6135-9292-192 http://www.
ichaus.
com ELECTRICAL CHARACTERISTICS Unless otherwise specified, TA = 25°C and EN- <0.
8V.
Parameters Overtemp Operate Point (junction)1 Overtemp Release Point (junction)1 Vcc Bias Voltage R...


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