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LF256 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 LF256
기능 JFET Input Operational Amplifiers
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LF256 데이터시트 및 LF256 PDF

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LF256 pdf, 반도체, 판매, 대치품
Notes for Electrical Characteristics (Continued)
Supply Voltage, VS
TA
THIGH
LF155/156
±15V VS ±20V
−55˚C TA +125˚C
+125˚C
LF256/257
±15V VS ±20V
−25˚C TA +85˚C
+85˚C
LF356B
±15V VS ±20V
0˚C TA +70˚C
+70˚C
LF355/6/7
VS= ±15V
0˚C TA +70˚C
+70˚C
and VOS, IB and IOS are measured at VCM = 0.
Note 4: The Temperature Coefficient of the adjusted input offset voltage changes only a small amount (0.5µV/˚C typically) for each mV of adjustment from its original
unadjusted value. Common-mode rejection and open loop voltage gain are also unaffected by offset adjustment.
Note 5: The input bias currents are junction leakage currents which approximately double for every 10˚C increase in the junction temperature, TJ. Due to limited
production test time, the input bias currents measured are correlated to junction temperature. In normal operation the junction temperature rises above the ambient
temperature as a result of internal power dissipation, Pd. TJ = TA + θJA Pd where θJA is the thermal resistance from junction to ambient. Use of a heat sink is
recommended if input bias current is to be kept to a minimum.
Note 6: Supply Voltage Rejection is measured for both supply magnitudes increasing or decreasing simultaneously, in accordance with common practice.
Note 7: Settling time is defined here, for a unity gain inverter connection using 2 kresistors for the LF155/6. It is the time required for the error voltage (the voltage
at the inverting input pin on the amplifier) to settle to within 0.01% of its final value from the time a 10V step input is applied to the inverter. For the LF357, AV = −5,
the feedback resistor from output to input is 2kand the output step is 10V (See Settling Time Test Circuit).
Note 8: Max. Power Dissipation is defined by the package characteristics. Operating the part near the Max. Power Dissipation may cause the part to operate outside
guaranteed limits.
Typical DC Performance Characteristics Curves are for LF155 and LF156 unless otherwise
specified.
Input Bias Current
Input Bias Current
Input Bias Current
00564637
Voltage Swing
00564638
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00564639
4
00564640

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LF256 전자부품, 판매, 대치품
Typical AC Performance Characteristics (Continued)
Output Impedance
LF155 Small Signal Pulse Response, AV = +1
00564653
LF156 Small Signal Pulse Response, AV = +1
00564605
LF155 Large Signal Pulse Response, AV = +1
00564606
LF156 Large Signal Puls
Response, AV = +1
00564608
Inverter Settling Time
00564609
00564655
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