DMS-20LCD-1-9B-C Murata Power Solutions Inc, DMS-20LCD-1-9B-C Datasheet - Page 2

• Manufacturer Part Number: DMS-20LCD-1-9B-C
• Description: Digital Panel Meters +-2 Volts/+9V Backlit Model
• Manufacturer: Murata Power Solutions Inc
• Type: 3 1/2 Digit, LCD Display Digital Panel Voltmeterr

Specifications of DMS-20LCD-1-9B-C

• Equipment Type: 3 1/2 Digit, LCD Display Digital Panel Voltmeter
• Input: +/- 2 V
• Display Type: 3 - 1/2 Digit LCD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DMS-20LCD-1-9B-C

Performance/Functional Specifi cations
Typical at T
circuit) or +9V (using the differential input circuit), unless otherwise noted.
Analog Inputs
Full Scale Input Range:
Input Impedence:
Overvoltage Protection ➀
Common Mode Voltage Range
CMRR (dc to 60Hz)
Control Inputs ➁
Decimal Pt. Placement (Pins 4-6)
Backlight (Pin 9)
Performance
Sampling Rate
Accuracy (1 minute warm-up):
Zero Reading (Vin = 0 Volts)
Temperature Drift (0 = +60°C)
Power Supply Requirements (5V Models)
Supply Voltage
Supply Current:
Power Supply Requirements (9V Models)
Supply Voltage
Supply Current:
Display
Display Type and Size
Polarity Indication
Overrange Indication
DMS-20LCD-0
DMS-20LCD-1
DMS-20LCD-2
DMS-20LCD-3
DMS-20LCD-0, -1
DMS-20LCD-2, -3
DMS-20LCD-0, -1, -2
DMS-20LCD-3
Functionality
Logic Compatibility
DMS-20PC-0 (Vin = +0.19V)
DMS-20PC-1 (Vin = +1.9V)
DMS-20PC-2 (Vin = +19V)
DMS-20PC-3 (Vin = +190V)
Standard Models
Backlit Models
Standard Models
Backlit Models
A
= +25°C and supply voltage = +5V (using the single-ended input
“–001”
Min.
+4.75
+7.5
100
Tie to pin 3 to turn on backlight
0.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Autopolarity ("–" for negative Vin)
3½ digit, 0.37"/9.4mm high LCD
–
–
–
–
TTL (on 5V-powered models)
"–1_ _ _ " for negative Vin
2.5 reading per second
"1_ _ _ " for positive Vin
Tie to pin 3 to activate
Tie to pin 3 to activate
+5.00
+400
+35
+9.0
+230
+35
Typ.
±200
±200
1000
“000”
±0.2
±20
±2
86
±1
±1
±2
±2
1
–
–
–
+5.25
+650
+50
+14.0
+350
+50
Max.
±100
±250
“001”
±0.4
±2
±2
±2
±3
±3
–
–
–
–
–
–
–
www.murata-ps.com/dpm
Cnts/°C
Volts
Volts
Units
Counts
Counts
Counts
Counts
Volts
Volts
Volts
Volts
Volts
Volts
M:
M:
μA
mA
μA
mA
mV
dB
1. REFERENCE OUTPUT (Pin 8) and INPUT (Pin 7): Pin 8 is a precision
2. ANALOG COMMON (Pin 10): This pin is connected to an internal,
3. Decimal Point Placement: The location of the decimal point is user-
TECHNICAL NOTES
➀ Applies for transient or continuous overvoltages applied to (+) INPUT HI
➁ Listed spec applies to 5V-powered models only. For 9V-powered models, both
➂ See Technical Notes.
Ordering Information
Physical/Environmental
Operating Temperature
Storage Temperature
Humidity (non-condensing)
Case Material
Weight
DMS-20LCD - 1 - 5
reference actively trimmed at the factory. In normal operation, pin 8
must be tied to pin 7 to achieve all listed accuracy and drift specifi ca-
tions.
low-noise, “relative” ground. It is used in certain differential and “fl oat-
ing” 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/–BATTERY) or to
your system’s analog ground.
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/–BATTERY). Unused decimal
(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.
(–) 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).
Input Range:
Accessories:
A panel-mount retaining clip is supplied with each model.
0 = ±200mV
1 = ±2V
2 = ±20V
3 = ±200V
3½ Digit, LCD Display Digital Panel Voltmeters
DMS-20-CP
DMS-BZL3-C
DMS-BZL4-C
DMS-EB2-C
Panel cutout punch
DMS-20 bezel assembly
DMS-20 bezel assembly with sealing gasket
Application/evaluation board with standard
MOLEX connector, decimal point solder pads
and attenuation resistor pads.
DMS-20LCD Series
05 Apr 2011 MPM_DMS20LCD.B08 Page 2 of 6
Power Source:
5 = +5V
9 = +9V
- C
Leave blank for standard
models.
Add B for backlit models.
–20
0
0
email: [e-mail]
Add -C for RoHS
0.4 ounces (11 grams)
Polycarbonate
–
–
–
+60
+75
95
°C
°C
%