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A5817SEP

Allegro MicroSystems
Part Number A5817SEP
Manufacturer Allegro MicroSystems
Description ADDRESSABLE 28-LINE DECODER/DRIVER
Published Mar 23, 2005
Detailed Description 5817 ADDRESSABLE 28-LINE DECODER/DRIVER 5817 ADDRESSABLE 28-LINE DECODER/DRIVER Intended for use in ink-jet printer app...
Datasheet PDF File A5817SEP PDF File

A5817SEP
A5817SEP

Overview
5817 ADDRESSABLE 28-LINE DECODER/DRIVER 5817 ADDRESSABLE 28-LINE DECODER/DRIVER Intended for use in ink-jet printer applications, the A5817SEP addressable 28-line decoder/driver combines low-power CMOS inputs and logic with 28 high-current, high-voltage bipolar outputs.
A 4-to-14 line decoder determines the selected output driver (n) in each 14-driver bank.
Two independent output enable inputs (active low) then provide the final decoding to activate 1- or 2-of-28 outputs (OUTAn and/or OUTBn).
Special internal circuitry is programmed at the time of manufacture to adjust the output pulse timing and thereby the energy the device delivers to the ink-jet print head.
The CMOS inputs cause minimal loading and are compatible with standard CMOS, PMOS, and NMOS logic.
Use with TTL or DTL circuits may require appropriate pull-up resistors to ensure an input logic high.
The internal CMOS logic operates from a 5 V supply.
A CHIP ENABLE function is provided to lock out the drivers during system power up.
The 28 bipolar power outputs are open-collector 30 V Darlington drivers capable of sinking 500 mA at ambient temperatures up to 85°C.
The A5817SEP is furnished in a 44-lead plastic chip carrier (quad pack) for minimum-area, surface-mount applications.
Data Sheet 26186.
20 OUTPUT ENABLE B LOGIC SUPPLY CHIP ENABLE IN D (MSB) GND 43 GND IN C IN B 42 41 IN A (LSB) OUT B0 OUTB1 OUTB2 OUTB3 OUTB4 OUTB5 OUTB6 OUTB7 OUTB8 OUTB9 GND IC 7 8 9 10 11 12 13 14 15 16 17 ABSOLUTE MAXIMUM RATINGS at TA = 25°C Output Voltage, VCE .
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30 V Logic Supply Voltage, VDD .
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7.
0 V Input Voltage Range, VIN .
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-0.
3 V to VDD + 0.
3 V Output Current, IC .
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600 mA Package Power Dissipation, PD 2.
70 W* Operating Temperature Range, TA .
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-20°C to +85°C Storage Temperature Range, TS -55°C to +150°C *Derate at rate of 22 mW/°C above TA = 25°C.
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