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| 型号： | DMS-20PC-3-BL-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | DPM LED 200V 3.5DIGIT LO-PWR BLU |
| 产品培训模块： | DMS-20PC Series |
| 产品目录绘图： | Digital Panel Meter |
| 特色产品： | DMS-20PC Series Panel Meters |
| 3D 型号： | DMS-20PC-x.pdf DMS-20PC-x.sldprt DMS-20PC-x.stp DMS-20PC-x.igs |
| 标准包装： | 12 |
| 系列： | DMS-20PC |
| 类型： | 伏特表 |
| 测量范围： | ±200V |
| 显示器样式： | 蓝色字符，黑色背景 |
| 显示器类型： | LED |
| 显示器正面尺寸： | 1.30" L x 0.80" W（33.0 x 20.3mm） |
| 显示器位数： | 3.5 |
| 显示器位数 - 高度： | 0.370"（9.40mm） |
| 背光： | 无 |
| 安装类型： | 面板安装 |
| 端子： | PC 引脚 |
| 电源电压： | 4.75 ~ 5.25V |
| 产品目录页面： | 2856 (CN2011-ZH PDF) |
| 其它名称： | 811-1969 |
www.murata-ps.com
DMS-20PC Series
New
wer blu
Low-po
and gre
3? Digit, LED Display, Low-Cost, Subminiature
Digital Panel Voltmeters
e
en LEDs
FEATURES
DMS-20PC Series, 3? Digit, LED Display, Digital Panel Voltmeters combine a preci-
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Lowest-cost LED meters
Subminiature size:
1.38" x 0.88" x 0.48" (35mm x 22mm x 12mm)
Large (0.37"/9.4mm) LED display
Choice of 6 LED colors
High-intensity or low-power (7mA) red LEDs optional
Epoxy-encapsulated, 12-pin DIP package with built-in
color ?lter and bezel
4 differential input voltage ranges
Factory calibrated, ±1 count accuracy
Single +5V power supply
User-selectable decimal point placement
DISPLAY ENABLE function for "power-down" mode
DISPLAY TEST and HOLD (optional) functions
0 to +60°C temperature range
SIMPLIFIED SCHEMATIC DIAGRAM
sion A/D converter; a factory-trimmed, highly stable, voltage reference; and a large
(0.37"/9.4mm), easy-to-read LED display in a single package that is only slightly larger
than the display itself. Displays are offered in either red, orange, amber, yellow, green or
blue colors. High-intensity and low-power (35mW total) red LEDs are also optional.
These low-cost meters are fully self-contained and fully functional. Their subminiature
(1.38" x 0.88" x 0.48"), epoxy-encapsulated cases incorporate built-in color ?lters and
bezels; are moisture and vibration proof; and function well in the harshest environments.
Their 12-pin, dual-in-line con?guration offers component-like, plug-in convenience and
maximum versatility. Operating temperature range is 0 to +60°C.
The meters come with one of four, differential, input voltage ranges: ±200mV, ±2V
±20V or ±200V. Input impedance is a minimum 800kΩ. CMRR is typically 86dB (dc to
60Hz), and CMV is ±2V. Input overvoltage protection (on the non-inverting input) is ±250V.
Devices are fully calibrated at the factory to an accuracy of ±1 count (±0.05% of full scale
range) and never require calibration or adjustment.
A DISPLAY ENABLE function permits the display to be disabled for "power-down"
operation. All models have a DISPLAY TEST function. Standard red LED models offer an
optional DISPLAY HOLD function.
Small size, low cost and adjustment-free reliability make the DMS-20PC Series the best
choice for all your 3? digit, LED, DPM applications.
+5V SUPPLY
1
+5V
V+
0.01
2
R2
1
12
(–) INPUT LO
–5V
μF
DISPLAY 2
ENABLE
DC/DC
CONVERTER
V–
R1
909k
11
(+) INPUT HI
?+2.0V
5V RETURN
DP 3
3
4
0 Vdc
A/D
CONVERTER
DATA
10 ANALOG
COMMON
9 DISPLAY 3
TEST/HOLD
5
8
DP 2
DP 1
6
+5V
7
REFERENCE OUT
REFERENCE IN
1
R2 is not used on ±200mV (-0) models or ±2V (-1) models.
R2 = 100k on ±20V (-2) models and 9.1k on ±200V (-3) models.
2
3
Only used on ±200mV (-0) and ±2V (-1) models.
Pin 9 is DISPLAY TEST on all but eight models. On those models
(-H option), it is DISPLAY HOLD.
For full details go to
www.murata-ps.com/rohs
Figure 1. DMS-20PC Series simpli?ed schematic
www.murata-ps.com/support
MPM_DMS_20PC.D07 Page 1 of 6
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