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DMS-20LCD-0-5-C Datasheet(PDF) 2 Page - Murata Power Solutions Inc. |
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DMS-20LCD-0-5-C Datasheet(HTML) 2 Page - Murata Power Solutions Inc. |
2 / 6 page DMS-20LCD Series 3½ Digit, LCD Display Digital Panel Voltmeters Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 www.murata-ps.com MPM_DMS20lcd.B03 Page 2 of 6 TECHNICAL NOTES 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. 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. Leave blank for standard models. Add B for backlit models. DMS-20LCD - 1 - 5 - C Accessories: 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. Input Range: 0 = ±200mV 1 = ±2V 2 = ±20V 3 = ±200V Power Source: 5 = +5V 9 = +9V 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 “float- 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. 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 A panel-mount retaining clip is supplied with each model. Analog Inputs Min. Typ. Max. Units Full Scale Input Range: DMS-20LCD-0 – ±200 – mV DMS-20LCD-1 – ±2 – Volts DMS-20LCD-2 – ±20 – Volts DMS-20LCD-3 – ±200 – Volts Input Impedence: – DMS-20LCD-0, -1 100 1000 – M DMS-20LCD-2, -3 0.8 1 – M Overvoltage Protection DMS-20LCD-0, -1, -2 – – ±100 Volts DMS-20LCD-3 – – ±250 Volts Common Mode Voltage Range – – ±2 Volts CMRR (dc to 60Hz) – 86 – dB Control Inputs Decimal Pt. Placement (Pins 4-6) Tie to pin 3 to activate Functionality Tie to pin 3 to activate Logic Compatibility TTL (on 5V-powered models) Backlight (Pin 9) Tie to pin 3 to turn on backlight Performance Sampling Rate 2.5 reading per second Accuracy (1 minute warm-up): DMS-20PC-0 (Vin = +0.19V) – ±1 ±2 Counts DMS-20PC-1 (Vin = +1.9V) – ±1 ±2 Counts DMS-20PC-2 (Vin = +19V) – ±2 ±3 Counts DMS-20PC-3 (Vin = +190V) – ±2 ±3 Counts Zero Reading (Vin = 0 Volts) “–001” “000” “001” Temperature Drift (0 = +60°C) – ±0.2 ±0.4 Cnts/°C Power Supply Requirements (5V Models) Supply Voltage +4.75 +5.00 +5.25 Volts Supply Current: Standard Models – +400 +650 μA Backlit Models – +35 +50 mA Power Supply Requirements (9V Models) Supply Voltage +7.5 +9.0 +14.0 Volts Supply Current: Standard Models – +230 +350 μA Backlit Models – +35 +50 mA Display Display Type and Size 3½ digit, 0.37"/9.4mm high LCD Polarity Indication Autopolarity ("–" for negative Vin) Overrange Indication "–1_ _ _ " for negative Vin "1_ _ _ " for positive Vin Ordering Information Physical/Environmental Operating Temperature 0 – +60 °C Storage Temperature –20 – +75 °C Humidity (non-condensing) 0– 95 % Case Material Polycarbonate Weight 0.4 ounces (11 grams) Add -C for RoHS |
Similar Part No. - DMS-20LCD-0-5-C |
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