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| 型号： | 540/MK218 |
| 元件分类： | 比较器 |
| 英文描述： | COMPARATOR, 10000 uV OFFSET-MAX, 1000 ns RESPONSE TIME, PDIP10 |
| 封装： | DIP-16 |
| 文件页数： | 1/7页 |
| 文件大小： | 319K |
| 代理商： | 540/MK218 |
A
1
CALEX
FaxFACTS:
323
1997
Model 540 Voltsensor
http://www.calex.com
2401 Stanwell Drive
Concord, CA 94520-4841
(925) 687-4411 Fax (925) 687-3333
Description
The Model 540 Voltsensor is a low-cost voltage comparator
in an encapsulated, DlP-compatible package. This rugged
unit is versatile-it can be operated from a single supply of +5V
to +32V or from ±15V supplies, and the output can be
connected to sink or source current. Provision is made for
optional external adjustment of hysteresis, and the unit can
be connected for latching. The hysteresis and latching functions
are independent of the output hook-up. Whether you’re
driving a relay, lighting a lamp, or driving logic circuitry, you
can easily connect the Model 540 for hysteresis or latching
functions.
The combination of a high-performance IC comparator with
a versatile power-transistor output stage provides a low-cost
comparator ideally suited to industrial use. The inputs are
protected against over-voltage and the output is protected
against reverse voltage or overcurrents.
The Model 540 is easy to use. The unit is 1.4" x 0.6" x 0.5" high
with a pin configuration compatible with standard 16-pin DIP
sockets. Mounting kits are also available consisting of one or
more Model 540 Voltsensors mounted on a PC card with
various combinations of pots and relays. With the Model
MK218 Mounting Kit and two Model 540 units, high and low
set-point limits can be adjusted to provide a window
comparator for GO/NO-GO comparison.
Features
n Rugged reliable solid state replacement for
meter relays.
n Uses almost any power source from
+5 to +32 VDC or ±5 to ±16 VDC.
n Withstands shock, vibration and other
environmental hazards.
n Ignores input noise using variable dead band
(hysteresis)
n Handles a wide variety of loads with output source
current or current sinking of 100 mA.
n Ready to use with convenient mounting kits.
n Easy to mount 16 pin DIP package.
Applications
The Model 540 has been designed for use in alarm, test and
control circuits. Applications well-suited for this unit are:
n Adjustable trip point for alarm circuits
n Process control and counting
n Weight loading devices
n Power supply voltage monitor
n Production testing and quality control for
GO/NO-GO limits
In the application below, the Model 540 is connected for single
supply operation in the current-sinking mode. When the input
signal is more positive than the set-point input, a relay or lamp
load will be switched to the energized position.
Figure 1. Model 540 Connected for Single Supply Operation.
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