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LM143 Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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LM143 Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 12 page TLH7783 February 1995 LM143LM343 High Voltage Operational Amplifier General Description The LM143 is a general purpose high voltage operational amplifier featuring operation to g40V complete input over- voltage protection up to g40V and input currents compara- ble to those of other super-b op amps Increased slew rate together with higher common-mode and supply rejection insure improved performance at high supply voltages Oper- ating characteristics in particular supply current slew rate and gain are virtually independent of supply voltage and temperature Furthermore gain is unaffected by output loading at high supply voltages due to thermal symmetry on the die The LM143 is pin compatible with general purpose op amps and has offset null capability Application areas include those of general purpose op amps but can be extended to higher voltages and higher output power when externally boosted For example when used in audio power applications the LM143 provides a power bandwidth that covers the entire audio spectrum In addition the LM143 can be reliably operated in environ- ments with large overvoltage spikes on the power supplies where other internally-compensated op amps would suffer catastrophic failure The LM343 is similar to the LM143 for applications in less severe supply voltage and temperature environments Features Y Wide supply voltage range g 40V to g40V Y Large output voltage swing g 37V Y Wide input common-mode range g 38V Y Input overvoltage protection Full g40V Y Supply current is virtually independent of supply voltage and temperature Unique Characteristics Y Low input bias current 80 nA Y Low input offset current 10 nA Y High slew rateessentially independent of temperature and supply voltage 25V ms Y High voltage gainvirtually independent of resistive loading temperature and supply voltage 100k min Y Internally compensated for unity gain Y Output short circuit protection Y Pin compatible with general purpose op amps Connection Diagram Metal Can Package Top View TLH7783 – 1 Order Number LM143H LM143H883 or LM343H See NS Package Number H08C Available per SMD 7800303 C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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