DMS-40LCD 데이터 시트보기 (PDF) - DATEL Data Acquisition products
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DMS-40LCD 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)
or +9V (using the differential input circuit), unless otherwise noted.
Analog Inputs
Min. Typ. Max. Units
Full Scale Input Range: ~
DMS-40LCD-0/1
– ±200/±2 –
mV/V
DMS-40LCD-1/2
–
±2/±20
–
V/V
DMS-40LCD-2/3
– ±20/±200 –
V/V
Input Impedence:
DMS-40LCD-0/1
100 1000
M7
DMS-40LCD-1/2
0.8
1
–
M7
DMS-40LCD-2/3
0.8
1
–
M7
Overvoltage Protection
–
–
±250 Volts
Common Mode Voltage Range
–
–
±2 Volts
CMRR (dc to 60Hz)
–
86
–
dB
Control Inputs
Decimal Pt. Placement (Pins 4-6, 8):
Functionality
Logic Compatibility
Tie to pin 3 to activate
TTL (on 5V-powered models)
Hold/Backlight Functionally (Pin 9)
Backlit Models
Non-backlit Models
Tie to pin 1 to activate
Tie to pin 3 to hold reading
Performance
Sampling Rate
2.5 reading per second
Accuracy (1 minute warm-up):
DMS-40LCD-0/1 (Vin = +0.19/1.9V) –
±2
±3 Counts
DMS-40LCD-1/2 (Vin = +1.9V)
–
±2
±3 Counts
DMS-40LCD-1/2 (Vin = +19V)
–
±3
±4 Counts
DMS-40LCD-2/3 (Vin = +19/190V)
–
±3
±4 Counts
Zero Reading (Vin = 0 Volts)
“–001” “000” “001”
Temperature Drift (0 = +50°C)
DMS-40LCD-0/1
DMS-40LCD-1/2
DMS-40LCD-2/3
–
±0.4 ±0.8 Cnts/°C
–
±0.6
±1 Cnts/°C
–
±0.6
±1 Cnts/°C
Power Supply Requirements (5V Models)
Supply Voltage
+4.75 +5.00 +5.25 Volts
Supply Current:
Standard Models
– +2.5
+3.5
mA
Backlit Models
– +37
+45
mA
Power Supply Requirements (9V Models)
Supply Voltage
+7.5 +9.00 +14.0 Volts
Supply Current:
Standard Models
– +1.5
+2.5
mA
Backlit Models
– +37
+45
mA
Display
Display Type and Size
4½ digit, 0.4"/10.2mm high LCD
Polarity Indication
Autopolarity ("–" for negative Vin)
Overrange Indication
"–1_ _ _ _ " for negative inputs
"1_ _ _ _ " for positive inputs
www.murata-ps.com
DMS-40LCD Series
4½ Digit, LCD Display Digital Panel Voltmeters
Physical/Environmental
Operating Temperature
Storage Temperature
0
–
+50
°C
–20
–
+75
°C
Humidity (non-condensing)
Case Material
0
–
95
%
Polycarbonate
Weight
0.75 ounces (21 grams)
~ Each model in the DMS-40LCD Series offers two input voltage ranges that are
user-selectable via pin strapping. 5V-powered models can be used to perform either
differential or single-ended measurements. 9V-powered models can only be used for
differential measurements.
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.
Listed spec applies to 5V-powered models only. For 9V-powered models, both
(–) INPUT LO (pin 12) and (+) INPUT HIGH (pin 11) must always be at least 1.5V
above –BATTERY (pin 3) and at least 1.5V below +BATTERY (pin 1).
See Technical Notes.
Ordering Information
DMS-40LCD - 0/1 - 5 -C
Input Ranges:
Add -C for RoHS
0/1 = ±200mV/±2V
1/2 = ±2V/±20V
2/3 = ±20V/±200V
Power Source:
5 = +5V
Leave blank for standard
models. Add B for
backlit models.
9 = +9V
Accessories:
DMS-30-CP Panel cutout punch
DMS-BZL1-C DMS-40 bezel assembly
DMS-BZL2-C DMS-40 bezel assembly with sealing gasket
DMS-EB-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
1. Input Voltage Range Selection: Each model in the DMS-40LCD
Series offers two, user-selectable, input voltage ranges as indicated
in the Performance/Functional Specifications Table and the Ordering
Information. To select the higher range of any device (such as the ±2V
range for the DMS-40LCD-0/1), connect pin 2 (RANGE SELECT) to
pin 1 (+5V SUPPLY/+BATTERY). To select the lower range, leave pin 2
open.
2. Decimal Point Placement: The location of the decimal point is user-
selectable, and the decimal point control pins (DP1-DP4) are active low
functions. Select the appropriate decimal point by tying the appropriate
pin (pin 4, 5, 6 or 8) to pin 3 (5V RETURN/–BATTERY). Unused deci-
mal point location pins should be left open. For 5V-powered models,
the decimal location pins are TTL compatible and may be hard wired as
described above or driven with 5V TTL logic gates.
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MPM_DMS40LCD.C02 Page 2 of 6
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