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LM129 bảng dữ liệu(PDF) 1 Page - Linear Technology |
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LM129 bảng dữ liệu(HTML) 1 Page - Linear Technology |
1 / 8 page 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 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 below. 20mA Positive Current Source FeaTures applicaTions n Guaranteed 10ppm/°C Temperature Coefficient n Guaranteed 1Ω Maximum Dynamic Impedance n Guaranteed 20µV Maximum Wideband Noise n Wide Operating Current Range: 0.6mA to 15mA n Transducers n A/D and D/A Converters n Calibration Standards n Instrumentation Reference Reverse Voltage Change – + 20V LM329 6.95V 20k 0.1% 174 0.1% 4.3k 20k 0.1% LT1001 10k OUT 20mA 129329 TA01 2 3 7 6 4 REVERSE CURRENT (mA) 0 6 10 129329 TA01b 2 4 8 8 7 6 5 4 3 2 1 0 TA = 25°C L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
Số phần tương tự - LM129_15 |
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Mô tả tương tự - LM129_15 |
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