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MC1403D Arkusz danych(PDF) 1 Page - ON Semiconductor |
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1 / 8 page MC1403, B SEMICONDUCTOR TECHNICAL DATA PRECISION LOW VOLTAGE REFERENCE ORDERING INFORMATION Order this document by MC1403/D P1 SUFFIX PLASTIC PACKAGE CASE 626 D SUFFIX PLASTIC PACKAGE CASE 751 (SO–8) NC NC NC NC 8 1 3 Vout Gnd 4 2 NC 7 Vin 6 5 8 1 8 1 Device Operating Temperature Range Package MC1403D MC1403P1 MC1403BD MC1403BP1 TA = 0° to +70°C Plastic DIP SO–8 SO–8 Plastic DIP TA = – 40° to +85°C PIN CONNECTIONS 1 MOTOROLA ANALOG IC DEVICE DATA Low Voltage Reference A precision band–gap voltage reference designed for critical instrumentation and D/A converter applications. This unit is designed to work with D/A converters, up to 12 bits in accuracy, or as a reference for power supply applications. • Output Voltage: 2.5 V "25 mV • Input Voltage Range: 4.5 V to 40 V • Quiescent Current: 1.2 mA Typical • Output Current: 10 mA • Temperature Coefficient: 10 ppm/°C Typical • Guaranteed Temperature Drift Specification • Equivalent to AD580 • Standard 8–Pin DIP, and 8–Pin SOIC Package Typical Applications • Voltage Reference for 8 to 12 Bit D/A Converters • Low TC Zener Replacement • High Stability Current Reference • Voltmeter System Reference MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.) Rating Symbol Value Unit Input Voltage VI 40 V Storage Temperature Tstg – 65 to 150 °C Junction Temperature TJ +175 °C Operating Ambient Temperature Range MC1403B MC1403 TA – 40 to +85 0 to + 70 °C °C Figure 1. A Reference for Monolithic D/A Converters * Caution: System stability may be affected if output capacitance * exceeds 1.0 µF. 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 Ω Monolithic D/A Converter *0.1 µF C1 R2 R1 Reference Amplifier Providing the Reference Current for Motorola 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. 2.5 V © Motorola, Inc. 1996 Rev 1 |
Podobny numer części - MC1403D |
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Podobny opis - MC1403D |
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