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QM1458-1ES Datasheet
its performance. Excessive ringing due to reflections caused by improperly terminated signal lines makes it difficult for the component receiving these signals to decipher the proper logic levels and can cause transi- tions to occur where none were intended. Also, by min- imizing high-frequency ringing, possible EMI problems can be avoided.
QM1458-1ES Price

Symbol Parameter Conditions Ratings Unit
VDSS Drain-source voltage VGS= OV 700 v
VGSS Gate-source voltage VDS= OV ±30 v
ID Drain current 7 A
IDM Drain current (Pulsed) 21 A
PD Maximum power dissipation 125 W
Tch Channel temperature -55+150 ]_C
Tstg Storage temperature -55+150 ]_C
Weight Typical value 112 g


QM1458-1ES on stock
The amplifier chain should be as shown in the various figures in this datasheet. It should have 2 stages of gain, totaling about 100 +/-20%. Numerous opamps are available that will perform to requirements, including the TI TLC2272 and the Analog Devices OPA2340. The opamps should have at least a rail-to-rail CMOS output, and an input that can sense from ground to at least +1 volt. The recommended GBW is 2MHz or above. To reduce leakage current problems the amplifier should be a JFET or CMOS input type only.

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