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MSK0032 Datasheet(PDF) 3 Page - M.S. Kennedy Corporation |
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MSK0032 Datasheet(HTML) 3 Page - M.S. Kennedy Corporation |
3 / 5 page APPLICATION NOTES HEAT SINKING Since the case of the MSK 0032 only runs approximately 40°C hotter than the ambient temperature, a heat sink is gen- erally not necessary. However, in applications where it is criti- cal to minimize input bias current, a heat sink may be used.The case of the MSK 0032 is isolated from the internal circuitry so the heat sink may be attached directly to the case. The heat sink may however create enough parasitic capacitance at the pins to necessitate adjusting the amount of compensation used. COMPENSATION When replacing an LH0032 or TP0032 with an MSK 0032, no changes in compensation need be made. The MSK 0032 will demonstrate greater loop stability than the LH0032 and loop stability very similar to the TP0032. As with any opera- tional amplifier, a feedback capacitor in the range of 2-10pF is recommended to compensate for the effect of the R-C time constant created by the input capacitance of the op-amp and the feedback and input resistors in an inverting configuration. See Figure 3 and Figure 4 for recommended compensation schemes for non-inverting configurations. POWER SUPPLY BYPASSING Both the negative and the positive power supplies must be effectively decoupled with a high and low frequency bypass circuit to avoid power supply induced oscillation. An effective decoupling scheme consists of a 0.1 microfarad ceramic ca- pacitor in parallel with a 4.7 microfarad tantalum capacitor from each power supply pin to ground. The input offset voltage of the MSK 0032 is typically less than ±0.5mV. If it is necessary to null the offset to zero or some value other than zero, the above circuit is recommended. Typical offset adjust range is 25mV. INPUT OFFSET VOLTAGE NULL Figure 1 Figure 4 Figure 2 Output Short Circuit Protection Rev. C 9/06 3 Figure 3 |
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Similar Description - MSK0032 |
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