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A6833 Datasheet PDF - Allegro MicroSystems

Part Number A6833
Description DABiC-5 32-Bit Serial Input Latched Sink Drivers
Manufacturers Allegro MicroSystems 
Logo Allegro MicroSystems Logo 



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A6833 datasheet, circuit
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A6833
DABiC-5 32-Bit Serial Input Latched Sink Drivers
A6833SEP
44-pin PLCC
7 39
8 38
9 37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
17 29
Designed to reduce logic supply current, chip size, and system cost, the
A6833 integrated circuits offer high-speed operation for thermal print-
ers. These devices can also be used to drive multiplexed LED displays
or incandescent lamps within their 125 mA peak output current rating.
The combination of bipolar and MOS technologies gives the A6833
smart power ICs an interface flexibility beyond the reach of standard
buffers and power driver circuits.
These 32-bit drivers have bipolar open-collector npn Darlington out-
puts, a CMOS data latch for each of the drivers, a 32-bit CMOS shift
register, and CMOS control circuitry. The high-speed CMOS shift
registers and latches allow operation with most microprocessor-based
systems. Use of these drivers with TTL may require input pull-up resis-
tors to ensure an input logic high. CMOS serial data outputs permit
cascading for applications requiring additional drive lines.
The A6833 is supplied in a 44-lead plastic chip carrier (quad pack),
intended for surface mounting on solder lands with 0.050 in. (1.27 mm)
centers. These devices are lead (Pb) free, with 100% matte tin plated
leadframes.
ABSOLUTE MAXIMUM RATINGS
Output Voltage, VOUT .........................................30 V
Logic Supply Voltage, VDD...................................7 V
Input Voltage Range, VIN ..............–0.3 V toVDD+0.3 V
Continuous Output Current (each output), IOUT ... 125 mA
Package Power Dissipation, PD
A6833SA................................................ 3.5 W*
A6833SEP .............................................. 2.5 W*
Operating Temperature Range
Ambient Temperature, TA ............–20°C to +85°C
Storage Temperature, TS ..........–55°C to +150°C
*Derate linearly to 0 W at +150ºC.
Caution: CMOS devices have input-static protection,
but are susceptible to damage when exposed to
extremely high static-electrical charges.
FEATURES
„ 3.3 V to 5 V logic supply range
„ To 10 MHz data input rate
„ 30 V minimum output breakdown
„ Darlington current-sink outputs
„ Low-power CMOS logic and latches
„ Schmitt trigger inputs for improved noise immunity
APPLICATIONS
„ Thermal printheads
„ Multiplexed LED displays
„ Incandescent lamps
Use the following complete part numbers when ordering:
Part Number
Pins
Package
A6833SEP-T
44
PLCC

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A6833 equivalent
A6833
DABiC-5 32-Bit Serial-Input Latched Sink Drivers
A6833SEP
OUT 2
OUT 3
7
8
OUT 4 9
OUT 5 10
OUT 6 11
OUT 7 12
OUT 8 13
OUT 9 14
OUT10 15
OUT11 16
OUT 12 17
39 OUT31
38 OUT30
37 OUT29
36 OUT28
35 OUT27
34 OUT26
33 OUT25
32 OUT24
31 OUT23
30 OUT22
29 OUT21
SUB
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
5

5 Page
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Information Total 7 Pages
Download[ A6833.PDF Datasheet ]

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