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ApplicationsEducation and Research
LF442MH Information
LF442MH by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LF442MHTexas InstrumentsDUAL OP-AMP, 5000uV OFFSET-MAX, 1MHz BAND WIDTH, MBCY8
Rohs Code
No
Part Life Cycle Code
Obsolete
Package Description
, Can8,.2
Reach Compliance Code
Unknown
ECCN Code
EAR99
HTS Code
8542.33.00.01
Amplifier Type
Operational Amplifier
Architecture
Voltage-Feedback
Average Bias Current-Max (IIB)
0.0001 µA
Bias Current-Max (IIB) @25C
0.0001 µA
Common-mode Reject Ratio-Min
70 Db
Common-mode Reject Ratio-Nom
95 Db
Frequency Compensation
Yes
Input Offset Voltage-Max
5000 µV
JESD-30 Code
O-MBCY-W8
JESD-609 Code
e0
Low-Bias
Yes
Low-Offset
No
Micropower
Yes
Neg Supply Voltage Limit-Max
-18 V
Neg Supply Voltage-Nom (Vsup)
-15 V
Number of Functions
2
Number of Terminals
8
Operating Temperature-Max
125 °C
Operating Temperature-Min
-55 °C
Package Body Material
Metal
Package Equivalence Code
CAN8,.2
Package Shape
Round
Package Style
Cylindrical
Qualification Status
Not Qualified
Slew Rate-Min
0.6 V/Us
Slew Rate-Nom
1 V/Us
Supply Current-Max
0.5 Ma
Supply Voltage Limit-Max
18 V
Supply Voltage-Nom (Vsup)
15 V
Surface Mount
No
Technology
Jfet
Temperature Grade
Military
Terminal Finish
Tin/Lead (Sn/Pb)
Terminal Form
Wire
Terminal Position
Bottom
Unity Gain BW-Nom
1000
Voltage Gain-Min
25000
Alternate Parts for LF442MH
This table gives cross-reference parts and alternative options found for LF442MH. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LF442MH, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
The maximum power dissipation of the LF442MH is 670mW, which is calculated based on the maximum junction temperature (150°C) and the thermal resistance from junction to ambient (125°C/W).
Yes, the LF442MH can be used as a single-supply op-amp, but it's not recommended. The LF442MH is designed for dual-supply operation, and using it with a single supply may result in reduced performance, such as reduced output swing and increased distortion.
The input impedance of the LF442MH is typically around 1MΩ, but it can vary depending on the specific application and operating conditions. It's recommended to use an input resistor to match the impedance of the source and to reduce noise.
Yes, the LF442MH can be used as a unity-gain buffer, but it's not the most suitable op-amp for this application. The LF442MH has a relatively high input bias current (±200nA) and input offset voltage (±2mV), which can affect the accuracy of the output signal. A better option would be to use a low-input-bias-current op-amp, such as the OP07 or the OP27.
The slew rate of the LF442MH is 13V/μs, which is relatively slow compared to other op-amps. This can affect the performance of the op-amp in high-frequency applications, such as audio or video circuits.