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LP2902N Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LP2902N Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 10 page Typical Performance Curves (Continued) Application Hints The LP324 series is a micro-power pin-for-pin equivalent to the LM324 op amps. Power supply current, input bias cur- rent, and input offset current have all been reduced by a fac- tor of 10 over the LM324. Like its predecessor, the LP324 se- ries op amps can operate on single supply, have true-differential inputs, and remain in the linear mode with an input common-mode voltage of 0 V DC. The pinouts of the package have been designed to simplify PC board layouts. Inverting inputs are adjacent to outputs for all of the amplifiers and the outputs have also been placed at the corners of the package (pins 1, 7, 8, and 14). Precautions should be taken to insure that the power supply for the integrated circuit never becomes reversed in polarity or the unit is not inadvertently installed backwards in the test socket as an unlimited current surge through the resulting forward diode within the IC could destroy the unit. Large differential input voltages can be easily accommo- dated and, as input differential voltage protection diodes are not needed, no large input currents result from large differen- tial input voltages. The differential input voltage may be larger than V + without damaging the device. Protection should be provided to prevent the input voltages from going negative more than −0.3 V DC (at 25˚C). An input clamp diode with a resistor to the IC input terminal can be used. Voltage Follower Pulse Response DS008562-27 Voltage Follower Pulse Response (Small Signal) DS008562-28 Common Mode Rejection Ratio DS008562-29 Large Signal Frequency Response DS008562-30 Output Characteristics Current Sourcing DS008562-31 Output Characteristics Current Sinking DS008562-32 Current Limiting DS008562-33 www.national.com 4 |
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