lf442-mwa National Semiconductor Corporation, lf442-mwa Datasheet
lf442-mwa
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lf442-mwa Summary of contents
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... LM1458. In addition the well matched high voltage JFET input devices of the LF442 reduce the input bias and offset currents by a factor of 10,000 over the LM1458. A combination of careful layout design and internal trimming guarantees very low input offset voltage and voltage drift ...
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... H Package N Package 65˚C/W 114˚C/W 165˚C/W 152˚C/W 21˚C/W (Note 5) (Note 5) ≤150˚C−65˚C≤T ≤150˚C −65˚C≤ 260˚C 260˚C Rating to be determined LF442A LF442 Typ Max Min Typ Max 0.5 1.0 1.0 5.0 7 1.5 1 ...
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... Note 9: Supply voltage rejection ratio is measured for both supply magnitudes increasing or decreasing simultaneously in accordance with common practice from ± ± ± ± 15V to 5V for the LF442 and 20V to 5V for the LF442A. Note 10: Refer to RETS442X for LF442MH military specifications. Simplified Schematic (Note 7) Conditions Min T = 25˚ Hz-20 kHz A (Input Referred) ± ...
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Typical Performance Characteristics Input Bias Current Supply Current Negative Common-Mode Input Voltage Limit www.national.com 00915517 Positive Common-Mode 00915519 Positive Current Limit 00915521 4 Input Bias Current 00915518 Input Voltage Limit 00915520 00915522 ...
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Typical Performance Characteristics Negative Current Limit Output Voltage Swing Bode Plot (Continued) Output Voltage Swing 00915523 00915525 00915527 5 00915524 Gain Bandwidth 00915526 Slew Rate 00915528 www.national.com ...
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Typical Performance Characteristics Distortion vs Frequency Open Loop Frequency Response Power Supply Rejection Ratio www.national.com (Continued) Undistorted Output Voltage 00915529 Common-Mode Rejection 00915531 Equivalent Input Noise 00915533 6 Swing 00915530 Ratio 00915532 Voltage 00915534 ...
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Typical Performance Characteristics Open Loop Voltage Gain Inverter Settling Time (Continued) 00915535 00915537 7 Output Impedance 00915536 www.national.com ...
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Pulse Response kΩ Small Signal Inverting Small Signal Non-Inverting www.national.com = 00915507 Large Signal Non-Inverting 00915508 8 Large Signal Inverting 00915509 00915510 ...
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Application Hints This device is a dual low power op amp with internally trimmed input offset voltages and JFET input devices (BI- FET II). These JFETs have large reverse breakdown volt- ages from gate to source and drain eliminating the ...
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Typical Applications Trim 1M pot for 1 kHz full-scale output 15 mW power drain No integrator reset FET required Mount D1 and D2 in close proximity 1% linearity to 1 kHz • 75˚C control • A1’s output represents ...
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Typical Applications (Continued Tel Labs type Q81 T Trim 5k for 10 µA through the 5k–120k combination *1% film resistor Q1, Q2, Q3 are included on LM389 amplifier chip which is temperature-stabilized by the LM389 and Q2-Q3, which ...
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Detailed Schematic www.national.com 1/2 Dual 00915516 12 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted TO-5 Metal Can Package (H) Order Number LF442AMH or LF442MH/883 NS Package Number H08A 13 www.national.com ...
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... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted (Continued) Molded Dual-In-Line Package (N) Order Number LF442ACN or LF442CN NS Package Number N08E 2. A critical component is any component of a life ...