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| 型号： | 545 |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, DMA25 |
| 文件页数： | 1/5页 |
| 文件大小： | 513K |
| 代理商： | 545 |
A
1
CALEX
FaxFACTS:
324
1997
Models 545 and 546 Voltsensors
http://www.calex.com
2401 Stanwell Drive
Concord, CA 94520-4841
(510) 687-4411 Fax (510) 687-3333
The Input Section
The inputs to both of these Voltsensors can be either single-
ended or differential. When the input is single-ended, connect
your + input to pin 21 and the other side to signal common (pin
24). See Figure 2. The -in input (pin 22) must be connected
to common in single-ended applications. If your signal source
has an impedance of greater than 10 k
, better balance and
drift can be obtained by connecting a resistor of equal
impedance from pin 22 to common instead of a short to
common (see figure 3).
When the input is differential, connect your positive differential
signal to pin 21 and the negative signal to pin 22. The 545 and
546 will operate with common mode voltages as high as ±10
Volts. Be sure and connect the common of your differential
circuit to the common of the Voltsensor (see Figures 4 and 5).
FIGURE 4.
Bridge Differential
Connection
FIGURE 2.
Single-Ended
Connections
FIGURE 3.
High Source Impedance
Connections
FIGURE 5.
Potentiometer Differential
Connection
Description
The Models 545 and 546 are precision dual set voltage
comparators with a differential amplifier front end and three
separate outputs. Pin select the input range you need from 10
mV to 1V on the 545 or 100 mV to 10V on the 546. Set your
comparator window anywhere in the selected range and load
the three outputs up to 100 mA. These Voltsensors are ideal
for directly monitoring strain gages, load cells, thermocouples,
power supplies, etc.
Features
n Dual Set-Point (High and Low)
n Triple Output (Hl, GO, LO)
High Level Output (100 mA)
n Versatile Input Amplifier
Differential Input
Pin-Selectable Ranges
High Input Impedance
n Variable Hysteresis
n Latching Capability
Applications
n Quality Control Hl-GO-LO Testing
n Computer Control System Backup
n Instrument Trip Points
n Process Control
n Power Supply Monitor
FIGURE 1. Simplified Diagram for Models 545 and 546
Voltsensor Selection
The basic difference between the 545 and 546 is the input
signal range. If your trip-point will never exceed ±1 volt, then
the 545 would be the best choice. For trip levels up to ±10
Volts, the 546 is best. Signals over ±10 Volts can be divided
down and monitored with the 546.
Basic Operation
The 545 and 546 are basically divided into four sections.
These are the input, the amplifier, the comparator, and the
outputs.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 545 16 064 00 | 功能描述:电源变压器 POWER TRANSFORMER RoHS:否 制造商:Triad Magnetics 功率额定值:12 VA 初级电压额定值:115 V / 230 V 次级电压额定值:12 V / 24 V 安装风格:SMD/SMT 一次绕组:Dual Primary Winding 二次绕组:Dual Secondary Winding 长度:2.5 in 宽度:2 in 高度:1.062 in |
| 545 23 225 00 | 制造商:Sumida Corporation 功能描述:POWER INDUCTOR UNSHIELDED |
| 545 23 320 00 | 制造商:Sumida Corporation 功能描述:- Tape and Reel |
| 545 24 027 00 | 制造商:Sumida Corporation 功能描述:POWER INDUCTOR UNSHIELDED |
| 545 BK078 | 功能描述:交流电源线 18AWG 3C UNSHLD 25PC PKG. BLACK RoHS:否 制造商:Schaffner 地区:North American 插头:NEMA 5-15P 插座:C13 Locking 功率额定值:2500 W 电流额定值:10 A 线规 - 美国线规（AWG）:18 电压额定值:250 V 长度:6 ft 屏蔽: 外壳颜色:Black |
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