ADR439

Ultralow Noise XFET Voltage References with Current Sink and Source Capability ADR430/ADR431/ADR433/ADR434/ADR435/ADR439 04500-001 FEATURES Low noise (0.1 Hz to 10.0 Hz): 3.5 µV p-p @ 2.5 V output No external capacitor required Low temperature coefficient A Grade: 10 ppm/°C maximum B Grade: 3 ppm/°C maximum Load regulation: 15 ppm/mA Line regulation: 20 ppm/V Wide operating range ADR430: 4.1 V to 18 V ADR431: 4.5 V to 18 V ADR433: 5.0 V to 18 V ADR434: 6.1 V to 18 V ADR435: 7.0 V to 18 V ADR439: 6.5 V to 18 V High output source and sink current: +30 mA and −20 mA Wide temperature range: −40°C to +125°C APPLICATIONS Precision data acquisition systems High resolution data converters Medical instruments Industrial process control systems Optical control circuits Precision instruments PIN CONFIGURATIONS TP 1 8 TP VIN 2 ADR43x 7 COMP TOP VIEW NC 3 (Not to Scale) 6 VOUT GND 4 5 TRIM NOTES 1. NC = NO CONNECT 2. TP = TEST PIN (DO NOT CONNECT) Figure 1. 8-Lead MSOP (RM-8) TP 1 8 TP VIN 2 ADR43x 7 COMP NC 3 TOP VIEW (Not to Scale) 6 VOUT GND 4 5 TRIM NOTES 1. NC = NO CONNECT 2. TP = TEST PIN (DO NOT CONNECT) Figure 2. 8-Lead SOIC_N (R-8) 04500-041 GENERAL DESCRIPTION The ADR43x series is a family of XFET® voltage references featuring low noise, high accuracy, and low temperature drift performance. Using Analog Devices, Inc., patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, voltage change vs. temperature nonlineari...