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DMS-BZL4-C Datasheet(PDF) 2 Page - Murata Power Solutions Inc. |
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DMS-BZL4-C Datasheet(HTML) 2 Page - Murata Power Solutions Inc. |
2 / 6 page 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. Leave blank for standard models. Add -H for DISPLAY HOLD option (available on standard red and green LED models only). DMS-20PC - 1 - R S - C 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. Input Range: 0 = ±200mV 1 = ±2V 2 = ±20V 3 = ±200V A panel-mount retaining clip is supplied with each model. 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 Analog Inputs Min. Typ. Max. Units Full Scale Input Range: DMS-20PC-0 – ±200 – mV DMS-20PC-1 – ±2 – Volts DMS-20PC-2 – ±20 – Volts DMS-20PC-3 – ±200 – Volts Input Impedence: DMS-20PC-0, -1 – 1000 – MΩ DMS-20PC-2, -3 – 1 – MΩ Overvoltage Protection – – ±250 Volts Common Mode Voltage Range – – ±2 Volts CMRR (dc to 60Hz) –86 – dB Performance Sampling Rate 2.5 reading per second Accuracy (3 minute warm-up): DMS-20PC-0 (Vin = +0.19V) – ±1 ±3 Counts DMS-20PC-1 (Vin = +1.9V) – ±1 ±3 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 Supply Voltage +4.75 +5.00 +5.25 Volts Supply Current: DMS-20PC-X-RL – +7 +12 mA DMS-20PC-X-BL & -PGL – +12 +17 mA DMS-20PC-X-RS, -RH – +60 +90 mA DMS-20PC-X-RS-H – +60 +90 mA DMS-20PC-X-BS – +75 +100 mA DMS-20PC-X-GS-H – +90 +120 mA DMS-20PC-X-AS, -GS, -OS, -YS – +90 +120 mA Display Display Type and Size 3½ digit, 0.37"/9.4mm high LED Polarity Indication Autopolarity ("–" for negative Vin) Overrange Indication "–1_ _ _ " for negative inputs "1_ _ _ " for positive inputs 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) Performance/Functional Specifications Typical at TA = +25°C and supply voltage = +5V using the single-ended input circuit, unless otherwise noted. Ordering Information RoHS Compliant Parts: Add "-C" suffix to part number. Add -C for RoHS Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 www.murata-ps.com DMS-20PC Series 3½ Digit, LED Display, Low-Cost, Subminiature Digital Panel Voltmeters MPM_DMS_20PC.D02 Page 2 of 6 TECHNICAL NOTES |
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