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PDF A6841 Data sheet ( Hoja de datos )
| Número de pieza | A6841 | |
| Descripción | DABiC-5 8-Bit Serial Input Latched Sink Drivers | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de A6841 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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A6841
DABiC-5 8-Bit Serial Input Latched Sink Drivers
Package A
18-pin DIP
Package LW
18-pin Wide Body SOIC
Package LW-20
20-pin Wide Body SOIC
ABSOLUTE MAXIMUM RATINGS
Output Voltage
VCE..............................................................50 V
VCE(SUS)(for inductiove load applications) .......35 V
Logic Supply Voltage, VDD...................................7 V
Emitter Supply Voltage, VEE.............................–20 V
Input Voltage Range, VIN ..............–0.3 V toVDD+0.3 V
Continuous Output Current (each output), IOUT ... 500 mA
Package Power Dissipation, PD, see chart, page 6
Operating Temperature Range
Ambient Temperature, TA ............–20°C to +85°C
Storage Temperature, TS ..........–55°C to +150°C
Caution: CMOS devices have input-static protection,
but are susceptible to damage when exposed to
extremely high static-electrical charges.
The merging of low-power CMOS logic and bipolar output power
drivers permit the A6841 integrated circuits to be used in a wide variety
of peripheral power driver applications. Each device has an eight-bit
CMOS shift register and CMOS control circuitry, eight CMOS data
latches, and eight bipolar current-sinking Darlington output drivers. The
500 mA NPN Darlington outputs, with integral transient-suppression
diodes, are suitable for use with relays, solenoids, and other inductive
loads.
All package variations of the A6841 offer premium performance with
a minimum output-breakdown voltage rating of 50 V (35 V sustaining).
All drivers can be operated with a split supply where the negative sup-
ply is up to –20 V.
The CMOS inputs are compatible with standard CMOS logic levels.
TTL circuits may require the use of appropriate pull-up resistors. By
using the serial data output, drivers can be cascaded for interface appli-
cations requiring additional drive lines.
The A6841SA devices are furnished in a standard 18-pin plastic DIP. The
A6841SLW device is available in an 18-lead SOIC package. A 20-pin
SOIC version, A6841SLW-20 has improved thermal characteristics. The
SOIC drivers are also available for operation to a temperature of –40°C
(part number suffix ELW). These devices are lead (Pb) free, with 100%
matte tin plated leadframes.
FEATURES
3.3 V to 5 V logic supply range
Power on reset (POR)
To 10 MHz data input rate
CMOS, TTL compatible inputs
–40°C operation available
Low-power CMOS logic and latches
Schmitt trigger inputs for
improved noise immunity
High-voltage current-sink outputs
Internal pull-up/pull down resistors
Output transient-protection diodes
Single or split supply operation
APPLICATIONS
Relays
Solenoids
Inductive loads
Use the following complete part numbers when ordering:
Part Number
A6841SA-T
A6841SLW-T
A6841SLW-20-T
A6841ELW-T
A6841ELW-20-T
Package
18-pin DIP
18-pin wide body SOIC
20-pin wide body SOIC
(enhanced thermals)
18-pin wide body SOIC
20-pin wide body SOIC
(enhanced thermals)
Ambient
–20ºC to +85ºC
–20ºC to +85ºC
–20ºC to +85ºC
–40ºC to +85ºC
–40ºC to +85ºC
1 page  
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A6841
DABiC-5 8-Bit Serial Input Latched Sink Drivers
Terminal List Table
Name
Description
VEE
CLK
DATA IN
GND
VDD
DATA OUT
ST
OE
K
NC
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
Power Ground to substrate
Clock
Serial Data In
Logic Ground
Logic Supply
Serial Data Out, for cascading devices
Strobe
Output Enable (active low)
Common to +VL , for inductive loads
Not connected
Sink Output 8
Sink Output 7
Sink Output 6
Sink Output 5
Sink Output 4
Sink Output 3
Sink Output 2
Sink Output 1
Pin
18-pin
1, 9
20-pin
1, 9
22
33
44
55
66
77
88
10 12
– 10, 11
11 13
12 14
13 15
14 16
15 17
16 18
17 19
18 20
Allowable Package Power Dissipation, PD
2.5
2.0 18-P IN DIP , R θJA = 60°C /W
20-LE AD S OIC , R θJA = 70°C /W
18-LE AD S OIC , R θJA = 80°C /W
1.5
1.0
0.5
0
25
50
75
100 125
150
A MB IE NT T E MP E R A T UR E (º C )
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet A6841.PDF ] | |
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