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LF147 bảng dữ liệu(PDF) 7 Page - National Semiconductor (TI) |
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LF147 bảng dữ liệu(HTML) 7 Page - National Semiconductor (TI) |
7 / 13 page Pulse Response R L=2kΩ,CL=10 pF Application Hints The LF147 is an op amp with an internally trimmed input off- set voltage and JFET input devices (BI-FET II). These JFETs have large reverse breakdown voltages from gate to source and drain eliminating the need for clamps across the inputs. Therefore, large differential input voltages can easily be ac- commodated without a large increase in input current. The maximum differential input voltage is independent of the sup- ply voltages. However, neither of the input voltages should be allowed to exceed the negative supply as this will cause large currents to flow which can result in a destroyed unit. Exceeding the negative common-mode limit on either input will force the output to a high state, potentially causing a re- versal of phase to the output. Exceeding the negative common-mode limit on both inputs will force the amplifier output to a high state. In neither case does a latch occur since raising the input back within the common-mode range again puts the input stage and thus the amplifier in a normal operating mode. Small Signal Inverting DS005647-4 Small Signal Non-Inverting DS005647-5 Large Signal Inverting DS005647-6 Large Signal Non-Inverting DS005647-7 Current Limit (R L=100Ω) DS005647-8 www.national.com 7 |
Số phần tương tự - LF147 |
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Mô tả tương tự - LF147 |
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