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MAX6126BASA50 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6126BASA50 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 18 page General Description The MAX6126 is an ultra-low-noise, high-precision, low- dropout voltage reference. This family of voltage refer- ences feature curvature-correction circuitry and high-stability, laser-trimmed, thin-film resistors that result in 3ppm/°C (max) temperature coefficients and an excellent ±0.02% (max) initial accuracy. The propri- etary low-noise reference architecture produces a low flicker noise of 1.3µVP-P and wideband noise as low as 60nV/ √Hz (2.048V output) without the increased supply current usually found in low-noise references. Improve wideband noise to 35nV/ √Hz and AC power-supply rejection by adding a 0.1µF capacitor at the noise reduction pin. The MAX6126 series mode reference operates from a wide 2.7V to 12.6V supply voltage range and load-regulation specifications are guaran- teed to be less than 0.025 Ω for sink and source cur- rents up to 10mA. These devices are available over the automotive temperature range of -40°C to +125°C. The MAX6126 typically draws 380µA of supply current and is available in 2.048V, 2.500V, 3.000V, 4.096V, and 5.000V output voltages. These devices also feature dropout voltages as low as 200mV. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, the MAX6126 offers supply current that is virtually independent of supply voltage and does not require an external resis- tor. The MAX6126 is stable with 0.1µF to 10µF of load capacitance. The MAX6126 is available in the tiny 8-pin µMAX, as well as 8-pin SO packages. Applications High-Resolution A/D and D/A Converters ATE Equipment High-Accuracy Reference Standard Precision Current Sources Digital Voltmeters High-Accuracy Industrial and Process Control Features o Ultra-Low 1.3µVP-P Noise (0.1Hz to 10Hz, 2.048V Output) o Ultra-Low 3ppm/°C (max) Temperature Coefficient o ±0.02% (max) Initial Accuracy o Wide (VOUT + 200mV) to 12.6V Supply Voltage Range o Low 200mV (max) Dropout Voltage o 380µA Quiescent Supply Current o 10mA Sink/Source-Current Capability o Stable with CLOAD = 0.1µF to 10µF o Low 20ppm/1000hr Long-Term Stability o 0.025Ω (max) Load Regulation o 20µV/V (max) Line Regulation o Force and Sense Outputs for Remote Sensing Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference ________________________________________________________________ Maxim Integrated Products 1 OUTS I.C.* GNDS 1 2 8 7 I.C.* OUTF IN GND NR SO/ µMAX TOP VIEW 3 4 6 5 MAX6126 *I.C. = INTERNALLY CONNECTED. DO NOT USE. Pin Configuration Ordering Information 19-2647; Rev 2; 6/03 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP RANGE PIN- PACKAGE OUTPUT VOLTAGE (V) MAXIMUM INITIAL ACCURACY (%) MAXIMUM TEMPCO (-40°C to +85°C) (ppm/°C) TOP MARK MAX6126AASA21 -40 °C to +125°C 8 SO 2.048 0.02 3 — MAX6126BASA21 -40 °C to +125°C 8 SO 2.048 0.06 5 — MAX6126AAUA21 -40 °C to +125°C 8 µMAX 2.048 0.06 3 6126A21 Ordering Information continued at end of data sheet. |
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