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| PRECISION 5.0 VOLT MICROPOWER VOLTAGE REFERENCE ISSUE 3 - NOVEMBER 2002 ZR4040-5.0 DEVICE DESCRIPTION The ZR4040-5.0 uses a bandgap circuit design to achieve a precision micropower voltage reference of 5.0 volts. The device is available in a small outline surface mount package, ideal for applications where space saving is important, as well as packages for through hole requirements. The ZR4040-5.0 design provides a stable voltage without an external capacitor and is stable with capacitive loads. The ZR4040-5.0 is recommended for operation between 60A and 15mA and so is ideally suited to low power and battery powered applications. Excellent performance is maintained to an absolute maximum of 25mA, however the rugged design and 20 volt processing allows the reference to withstand transient e ffe cts a nd currents up to 200mA. Superior switching capability allows the device to reach stable operating conditions in only a few microseconds. FEATURES * * * * * * * * * * * * * * * Small outline SOT23 package TO92 style package No stabilising capacitor required Typical TC 20ppm/C Typical slope resistance 0.33 2% and 1% tolerance Automotive temperature range Operating current 60A to 15mA Transient response,stable in less than 10s APPLICATIONS Battery powered and portable equipment. Metering and measurement systems. Instrumentation. Test equipment. Data acquisition systems. Precision power supplies. SCHEMETIC DIAGRAM 9 5 * QG 4-181 ZR4040-5.0 ABSOLUTE MAXIMUM RATING Reverse Current Forward Current Operating Temperature Storage Temperature 25mA 25mA -55 to 125C -55 to 125C Power Dissipation (Tamb=25C) SOT23 330mW E-Line, 3 pin (TO92) 500mW ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated) Tamb=25C SYMBOL PARAMETER CONDITIONS MIN VR IMIN IR TC Reverse Breakdown Voltage IR=150A 4.95 4.90 LIMITS TYP 5.0 5.0 30 0.06 -40 to 85C IR(min) to IR(max) -55 to 125C IR(min) to IR(max) 20 MAX 5.05 5.10 60 15 100 1 2 V A mA ppm/C TOL. % UNITS Minimum Operating Current -55 to 125C Recommended Operating Current Average Reverse Breakdown Voltage Temp. Co. Average Reverse Breakdown Voltage Temp. Co. Slope Resistance Reverse Dynamic Impedance Wideband Noise Voltage IR = 1mA f = 100Hz IAC= 0.1 IR IR = 1mA f = 10Hz to 10kHz TC 40 125 ppm/C RS ZR 0.33 0.4 1.5 1.0 EN 105 V (rms) VR x (T(max)-T(min)) 5HYHUVH &XUUHQW $ TC = (VR(max)-VR(min)) x 1000000 m Note: VR(max) - VR(min) is the maximum deviation in reference voltage measured over the stated operating temperature range. RS = VR Change (IR (min) to IR (max)) IR (max) - IR (min) 7$ & 7$ & Reverse Voltage (V) 5HYHUVH &KDUDFWHULVWLFV 4-182 ZR4040-5.0 5.04 5.02 5.00 4.98 4.96 -60 -40 -20 0 20 40 60 80 100 120 4-183 ZR4040-5.0 CONNECTION DIAGRAMS E-Line, 3 pin, Rev Package Suffix - R SOT23 Package Suffix - F Bottom View - Pin 3 floating or connected to pin 1 Top View - Pin 1 floating or connected to pin 2 ORDERING INFORMATION Part Number ZR40402F50 ZR40401F50 ZR40402R50 ZR40401R50 Tol% Package 2 1 2 1 SOT23 SOT23 Partmark 50L 50M E-Line * ZR4040250 E-Line * ZR4040150 * E-Line, 3 pin Reversed 4-184 |
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