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ISL21090BFB875Z-TK Arkusz danych(PDF) 1 Page - Intersil Corporation |
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ISL21090BFB875Z-TK Arkusz danych(HTML) 1 Page - Intersil Corporation |
1 / 20 page 1 Ultra Low Noise, Precision Voltage Reference ISL21090 The ISL21090 is a ultra low noise, high DC accuracy precision voltage reference with wide input voltage range. The ISL21090 uses the new Intersil Advanced Bipolar technology to achieve sub 1.0µVP-P (1.25V option) 0.1Hz to 10Hz noise with an initial voltage accuracy of 0.02% (2.5V option). The ISL21090 offers 1.25V, 2.5V, 5.0V and 7.5V output voltage options with 7ppm/°C temperature coefficient and also provides excellent line and load regulation. These devices are offered in an 8 Ld SOIC package. The ISL21090 is ideal for high-end instrumentation, data acquisition and processing applications requiring high DC precision where low noise performance is critical. Applications • High-end instrumentation • Precision voltage sources for data acquisition system, industrial control, communication infrastructure • Process control and instrumentations • Active source for sensors Features • Reference output voltage option - 1.25V, 2.5V, 5.0V and 7.5V • Initial accuracy: - ISL21090-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±0.03% - ISL21090-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±0.02% - ISL21090-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±0.025% - ISL21090-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±0.035% • Output voltage noise (0.1Hz to 10Hz) . . . . . . . . . . . . 1.0µVP-P typ (1.25V option) • Supply current . . . . . . . . . . . . . . . . . . . . 750µA (1.25V option) • Temperature coefficient . . . . . . . . . . . . . . . . . . 7ppm/°C max • Output current capability . . . . . . . . . . . . . . . . . . . . . . . . 20mA • Line regulation . . . . . . . . . . . . . . . . . . .6ppm/V (1.25V option) • Load regulation . . . . . . . . . . . . . . 2.5ppm/mA (1.25V option) • Operating temperature range. . . . . . . . . . . .-40°C to +125°C Related Literature See AN1764, “ISL21090XXEV1Z User’s Guide” FIGURE 1. ISL21090 TYPICAL APPLICATION DIAGRAM FIGURE 2. VOUT vs TEMPERATURE (2.5V OPTION) 10µF 0.1µF CHIP SELECT SERIAL CLOCK SERIAL DATA I/O VDD VREF SCLK SDIO CSb OUTxS GND DACOUTx VIN VREF 0.1µF OUTxF DAC 1 2 3 4 DNC GND VOUT TRIM 6 8 7 5 DNC DNC COMP VIN 2.4980 2.4985 2.4990 2.5000 2.5005 2.5010 -55 -35 -15 5 25 45 65 85 105 125 145 TEMPERATURE (°C) TYPICAL TEMPERATURE COEFFICIENT CURVE FOR 10 UNITS 2.4995 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas LLC 2011-2013. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. February 27, 2013 FN6993.5 |
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