DMS-20PC データシートの表示（PDF） - Murata Power Solutions
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DMS-20PC
Murata Power Solutions
DMS-20PC Datasheet PDF : 6 Pages
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Performance/Functional Specifications
Typical at TA = +25°C and supply voltage = +5V using the single-ended input circuit,
unless otherwise noted.
Analog Inputs
Full Scale Input Range:
DMS-20PC-0
DMS-20PC-1
DMS-20PC-2
DMS-20PC-3
Input Impedence:
DMS-20PC-0, -1
DMS-20PC-2, -3
Overvoltage Protection ~
Common Mode Voltage Range
CMRR (dc to 60Hz)
Performance
Sampling Rate
Accuracy (3 minute warm-up):
DMS-20PC-0 (Vin = +0.19V)
DMS-20PC-1 (Vin = +1.9V)
DMS-20PC-2 (Vin = +19V)
DMS-20PC-3 (Vin = +190V)
Zero Reading (Vin = 0 Volts)
Temperature Drift (0 = +60°C)
Power Supply Requirements
Supply Voltage
Supply Current:
DMS-20PC-X-RL
DMS-20PC-X-BL & -PGL
DMS-20PC-X-RS, -RH
DMS-20PC-X-RS-H
DMS-20PC-X-BS
DMS-20PC-X-GS-H
DMS-20PC-X-AS, -GS, -OS, -YS
Display
Display Type and Size
Polarity Indication
Overrange Indication
Physical/Environmental
Operating Temperature
Storage Temperature
Humidity (non-condensing)
Case Material
Weight
Min. Typ. Max. Units
–
±200
–
mV
–
±2
–
Volts
–
±20
–
Volts
– ±200
–
Volts
– 1000
–
MΩ
–
1
–
MΩ
–
–
±250 Volts
–
–
±2 Volts
–
86
–
dB
2.5 reading per second
–
–
–
–
“–001”
–
±1
±1
±2
±2
“000”
±0.2
±3
±3
±3
±3
“001”
±0.4
Counts
Counts
Counts
Counts
Cnts/°C
+4.75 +5.00 +5.25 Volts
– +7
+12
mA
– +12 +17
mA
– +60 +90
mA
– +60 +90
mA
– +75 +100 mA
– +90 +120 mA
– +90 +120 mA
3½ digit, 0.37"/9.4mm high LED
Autopolarity ("–" for negative Vin)
"–1_ _ _ " for negative inputs
"1_ _ _ " for positive inputs
0
–
+60
°C
–20
–
+75
°C
0
–
95
%
Polycarbonate
0.4 ounces (11 grams)
~ Applies for transient or continuous overvoltages applied to (+) INPUT HI (pin 11)
with (–) INPUT LO (pin 12) properly connected. Pin 12 is not overvoltage protected
(see Figure 1). Voltages applied to pin 12 should not exceed the supply voltage.
See Technical Notes.
The DISPLAY HOLD function is optional on standard red and green LED models only.
www.murata-ps.com
DMS-20PC Series
3½ Digit, LED Display, Low-Cost, Subminiature
Digital Panel Voltmeters
Ordering Information
DMS-20PC - 1 - R S - C
Input Range:
0 = ±200mV
1 = ±2V
2 = ±20V
3 = ±200V
Add -C for RoHS
Leave blank for standard
models.
Add -H for DISPLAY HOLD
option (available on
standard red and green
LED models only).
LED Color:
AS = Standard Amber
BS = Standard Blue
GS = Standard Green
OS = Standard Orange
RS = Standard Red
YS = Standard Yellow
RH = High-Intensity Red
RL = Low-Power Red
BL = Low-Power Blue
PGL = Low-Power Green
Accessories:
DMS-PS1-CM-C +5V/1.0A AC/DC power supply module
DMS-20-CP
Panel cutout punch
DMS-BZL3-C
DMS-20 bezel assembly
DMS-BZL4-C
DMS-20 bezel assembly with sealing gasket
DMS-EB2-C
Application/evaluation board with standard
MOLEX connector, decimal point solder pads and attenuation
resistor pads.
A panel-mount retaining clip is supplied with each model.
TECHNICAL NOTES
RoHS Compliant Parts: Add "-C" suffix to part number.
1. REFERENCE OUTPUT (Pin 8) and INPUT (Pin 7): Pin 8 is a precision
reference actively trimmed at the factory. In normal operation, pin 8
must be tied to pin 7 to achieve all listed accuracy and drift specifica-
tions.
2. ANALOG COMMON (Pin 10): This pin is connected to an internal,
low-noise, "relative" ground. It is used in certain differential and
"floating" measurements as described in the Applications section
of this data sheet and Ap Note 3 of the DATEL Panel Meter Catalog.
Pin 10 should not be connected to pin 3 (5V RETURN) or to your
system’s analog ground.
3. Decimal Point Placement: The location of the decimal point is user-
selectable, and the decimal point control pins (DP1-DP3) are active
low functions. Select the appropriate decimal point by tying the
appropriate pin (pin 4, 5 or 6) to pin 3 (5V RETURN). Unused decimal
point location pins should be left open.
Hard wiring is preferable, however, you can use logic gates to
exercise dynamic control over the location of the decimal point if the
following drive conditions are met:
Model
Applied "0" Voltage Load Current*
DMS-20PC-X-XL +0.05V max.
0.7mA max.
All Others
+0.4V max.
6mA max.
* The driving gates must be able to sink this much current
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MPM_DMS_20PC.D02 Page 2 of 6
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