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DMS-20LCD Series
3? Digit, LCD Display Digital Panel Voltmeters
Performance/Functional Speci?cations
Typical at T A = +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
Physical/Environmental
Full Scale Input Range:
Operating Temperature
0
–
+60
°C
DMS-20LCD-0
DMS-20LCD-1
–
–
±200
±2
–
–
mV
Volts
Storage Temperature
Humidity (non-condensing)
–20
0
–
–
+75
95
°C
%
DMS-20LCD-2
DMS-20LCD-3
–
–
±20
±200
–
–
Volts
Volts
Case Material
Weight
Polycarbonate
0.4 ounces (11 grams)
Input Impedence:
–
? Applies for transient or continuous overvoltages applied to (+) INPUT HI
DMS-20LCD-0, -1
DMS-20LCD-2, -3
Overvoltage Protection ?
DMS-20LCD-0, -1, -2
DMS-20LCD-3
Common Mode Voltage Range
CMRR (dc to 60Hz)
100
0.8
–
–
–
–
1000
1
–
–
–
86
–
–
±100
±250
±2
–
M :
M :
Volts
Volts
Volts
dB
(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.
Control Inputs ?
Ordering Information
Decimal Pt. Placement (Pins 4-6)
Functionality
Logic Compatibility
Tie to pin 3 to activate
Tie to pin 3 to activate
TTL (on 5V-powered models)
DMS-20LCD - 1 - 5
-C
Add -C for RoHS
Backlight (Pin 9)
Performance
Sampling Rate
Accuracy (1 minute warm-up):
Tie to pin 3 to turn on backlight
2.5 reading per second
Input Range:
0 = ±200mV
1 = ±2V
2 = ±20V
3 = ±200V
Leave blank for standard
models.
Add B for backlit models.
Power Source:
5 = +5V
DMS-20PC-0 (Vin = +0.19V)
DMS-20PC-1 (Vin = +1.9V)
DMS-20PC-2 (Vin = +19V)
DMS-20PC-3 (Vin = +190V)
–
–
–
–
±1
±1
±2
±2
±2
±2
±3
±3
Counts
Counts
Counts
Counts
Accessories:
DMS-20-CP
DMS-BZL3-C
DMS-BZL4-C
DMS-EB2-C
9 = +9V
Panel cutout punch
DMS-20 bezel assembly
DMS-20 bezel assembly with sealing gasket
Application/evaluation board with standard
Zero Reading (Vin = 0 Volts)
Temperature Drift (0 = +60°C)
“–001”
–
“000”
±0.2
“001”
±0.4
Cnts/°C
MOLEX connector, decimal point solder pads
and attenuation resistor pads.
A panel-mount retaining clip is supplied with each model.
Power Supply Requirements (5V Models)
Supply Voltage
+4.75
+5.00
+5.25
Volts
TECHNICAL NOTES
Supply Current:
Standard Models
Backlit Models
–
–
+400
+35
+650
+50
μA
mA
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 speci?ca-
Power Supply Requirements (9V Models)
tions.
Supply Voltage
+7.5
+9.0
+14.0
Volts
2. ANALOG COMMON (Pin 10): This pin is connected to an internal,
Supply Current:
low-noise, “relative” ground. It is used in certain differential and “?oat-
Standard Models
Backlit Models
Display
–
–
+230
+35
+350
+50
μA
mA
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.
Display Type and Size
Polarity Indication
Overrange Indication
3? digit, 0.37"/9.4mm high LCD
Autopolarity ("–" for negative Vin)
"–1_ _ _ " for negative Vin
"1_ _ _ " for positive Vin
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/–BATTERY). Unused decimal
www.murata-ps.com/dpm
05 Apr 2011
email: sales@murata-ps.com
MPM_DMS20LCD.B08 Page 2 of 6
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相关代理商/技术参数
DMS-20LCD-0-5-C
功能描述:数字面板表 +-200mV / +5V RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS20LCD09
制造商:未知厂家 制造商全称:未知厂家 功能描述:3 1/2 Digit, LCD Display Low-Cost, Subminiature Digital Panel Voltmeters
DMS-20LCD-0-9
功能描述:数字面板表 +-200mV / +9V RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS20LCD-0-9
制造商:Murata Power Solutions 功能描述:INDICATOR DMS-20LCD
DMS-20LCD-0-9B
功能描述:数字面板表 +-200mV / +9V Backlit Model RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-20LCD-0-9B-C
功能描述:数字面板表 +-200mV / +9V Backlit Model RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-20LCD-0-9-C
功能描述:数字面板表 +-200mV / +9V RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DMS-20LCD-0-DCM
功能描述:数字面板表 +6.50 to 1800Vdc RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM