Transcription of LM129/LM329 – 6.9V Precision Voltage Reference
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LM129/LM329 – 6.9V Precision Voltage Reference
LM129/LM3291129329fdFor more information Precision Voltage ReferenceThe LM 329 temperature compensated Zener references provide excellent stability over time and temperature, very low dynamic impedance and a wide operating current range. The device achieves low dynamic impedance by incorporating a high gain shunt regulator around the Zener. The excellent noise performance of the device is achieved by using a buried Zener design which eliminates surface noise phenomenon associated with ordinary Zeners. To serve a wide variety of applications, the LM129 is available in several temperature coefficient grades and two package styles. A 20mA positive current source application is shown Positive Current SourceFeaTuresapplicaTionsn Guaranteed 10ppm/ C Temperature Coefficientn Guaranteed 1 Maximum Dynamic Impedancen Guaranteed 20 V Maximum Wideband Noisen Wide Operating Current Range: to 15mAn Transducersn A/D and D/A Convertersn Calibration Standardsn Instrumentation ReferenceReverse Voltage Change + TA0123764 REVERSE CURRENT (mA)0 REVERSE Voltage CHANGE (mV)610 129329 TA01b248876543210TA = 25 CL, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation.
LM129/LM329 1 129329fd For more information www.linear.com/LM329 Typical applicaTion DescripTion 6.9V Precision Voltage Reference The LM®329 temperature compensated 6.9V Zener
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