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DSD-40PC-1-YS-C Datasheet(PDF) 2 Page - Murata Power Solutions Inc. |
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DSD-40PC-1-YS-C Datasheet(HTML) 2 Page - Murata Power Solutions Inc. |
2 / 6 page Performance/Functional Specifications Typical at TA = +25°C and supply voltage = +5V using the single-ended 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. See Technical Notes. BCD outputs are optional and must be specified in the part number. See Ordering Information. Includes high-intensity and BCD-output models. 1. ANALOG COMMON (Pin 10): This pin is an internal, low-noise ground for the DMS-40PC. It is internally connected to pin 3 (5V RETURN). Do not connect pin 10 to either pin 3 or your system ground as this will create a ground loop and possibly result in errone- ous readings. 2. REFERENCE INPUT/OUTPUT (Pin 7): This pin accesses the meter’s internal reference and is used during the factory calibration proce- dure. Pin 7 should be left open in most common applications. It can be used in certain “ratiometric” applications in which it is desirable for the meter’s reference to track an external reference. See Ap Note 3 in the DATEL Panel Meter Catalog for more details. 3. DISPLAY TEST (Pin 2): Connecting pin 2 to ground (pin 3, 5V RETURN) will activate all LED segments, and the display will read “–18888” regardless of the actual applied input. To reduce self-heat- ing, the display should not be left in the “test” mode for more than 10 seconds. This pin should be left open if unused. Analog Inputs Min. Typ. Max. Units Full Scale Input Range: DMS-40PC-1 – ±2 – Volts DMS-40PC-2 – ±20 – Volts DMS-40PC-3 – ±200 – Volts Input Impedence: – DMS-40PC-1 100 1000 – MΩ DMS-40PC-2, -3 0.8 1 – MΩ 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) Tie to pin 3 to activate Display Test (Pin 2) Tie to pin 3 to activate all segments Display Hold (Pin 9) Tie to pin 3 to hold last reading BCD Outputs Logic Levels (1 LSTTL load max.): Logic “1” +2.4 – – Volts Logic “2” – +0.4 +0.8 Volts Performance Sampling Rate 2.5 reading per second Accuracy (3 minute warm-up): DMS-40PC-1 (Vin = +1.9V) – ±2 ±3 Counts DMS-40PC-2 (Vin = +19V) – ±3 ±4 Counts DMS-40PC-3 (Vin = +190V) – ±3 ±4 Counts Zero Reading (Vin = 0 Volts) “–001” “000” “001” Temperature Drift (0 = +50°C) DMS-40PC-1 – ±0.4 ±1 Cnts/°C DMS-40PC-2, -3 – ±0.4 ±1.5 Cnts/°C Power Supply Requirements Supply Voltage +4.75 +5.00 +5.25 Volts Supply Current: Standard Models – +100 +140 mA Low-Power Models – +35 +50 mA Display Display Type and Size 4½ digit, 0.52"/13.2mm high LED Polarity Indication Autopolarity ("–" for negative Vin) Overrange Indication "–0000" (flashing) for negative Vin "0000" (flashing) for positive Vin Physical/Environmental Operating Temperature 0 – +50 °C Storage Temperature –20 – +75 °C 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. BCD Output Models: BCD outputs are only available on standard red meters. DMS-40PC-1-RS-BCD-C for ±2V input range DMS-40PC-2-RS-BCD-C for ±20V input range DMS-40PC-3-RS-BCD-C for ±200V input range DMS-40PC-1-RL-BCD-C for ±2V input range DMS-40PC-2-RL-BCD-C for ±20V input range DMS-40PC-3-RL-BCD-C for ±200V input range DMS-40PC - 1 - R S - C LED Color: GS = Standard Green RH = High-Intensity Red RL = Low-Power Red RS = Standard Red YS = Standard Yellow Input Range: 1 = ±2V 2 = ±20V 3 = ±200V A panel-mount retaining clip is supplied with each model. Ordering Information Add -C for RoHS Humidity (non-condensing) 0 – 95 % Case Material Polycarbonate Weight 0.75 ounces (21 grams) MPM_DMS-40PC.C03 Page 2 of 6 DMS-40PC Series 4½ Digit, LED Display Digital Panel Voltmeters Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 www.murata-ps.com TECHNICAL NOTES |
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