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MC1403DR2G データシート(PDF) 2 Page - ON Semiconductor |
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MC1403DR2G データシート(HTML) 2 Page - ON Semiconductor |
2 / 8 page MC1403, B http://onsemi.com 2 Figure 1. A Reference for Monolithic D/A Converters * Caution: System stability may be affected if output capacitance * exceeds 1.0 mF. Using higher capacitance values is not * recommended and should be carefully considered. MC1403 1.0 k 3 2 1 + 5.0 V 1.2 k R3 IRef Full Scale Adjust 500 W Monolithic D/A Converter *0.1 mF C1 R2 R1 Reference Amplifier Providing the Reference Current for ON Semiconductor Monolithic D/A Converters The MC1403 makes an ideal reference for many mono- lithic D/A converters, requiring a stable current reference of nominally 2.0 mA. This can be easily obtained from the MC1403 with the addition of a series resistor, R1. A variable resistor, R2, is recommended to provide means for full− scale adjust on the D/A converter. The resistor R3 improves temperature performance by matching the impedance on both inputs of the D/A reference amplifier. The capacitor decouples any noise present on the reference line. It is essential if the D/A converter is located any appreciable distance from the reference. A single MC1403 reference can provide the required current input for up to five of the monolithic D/A converters. 2.5V ELECTRICAL CHARACTERISTICS (Vin = 15 V, TA = 25°C, unless otherwise noted.) Characteristic Symbol Min Typ Max Unit Output Voltage Vout 2.475 2.5 2.525 V (IO = 0 mA) Temperature Coefficient of Output Voltage* DVO/DT − 10 40 ppm/ °C MC1403 Output Voltage Change* DVO mV (Over specified temperature range) MC1403B 0 to + 70 °C MC1403B − 40 to + 85 °C − − − − 7.0 12.5 Line Regulation (IO = 0 mA) Regline mV (15 V p VI p 40 V) (4.5 V p VI p 15 V) − − 1.2 0.6 4.5 3.0 Load Regulation Regload − − 10 mV (0 mA < IO < 10 mA) Quiescent Current IQ − 1.2 1.5 mA (IO = 0 mA) *Guaranteed but not tested. |
同様の部品番号 - MC1403DR2G |
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同様の説明 - MC1403DR2G |
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