LF442AMH Texas Instruments Integrated Circuit (Other) In Stock
LF442AMH is a dual low-power JFET-input operational amplifier from Texas Instruments. Features 0.00005µA ultra-low bias current, 95dB CMRR, and wide supply range. From $21.04, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LF442AMH Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $21.0400(MOQ 9)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low input bias current of 0.00005µA (50pA max) for high-impedance signal conditioning
- High common-mode rejection ratio of 95dB (70dB min) for superior noise immunity
- Dual op-amp in single package with voltage-feedback architecture and internal frequency compensation
- JFET input stage enables extremely low input offset current (1.5nA max) for precision applications
Applications
The LF442AMH is well-suited for precision instrumentation amplifiers, sensor signal conditioning, and data acquisition front-ends where ultra-low input bias current is critical. Its high CMRR and JFET inputs make it ideal for medical equipment, industrial measurement systems, and active filter designs. The dual configuration in a compact package also supports differential amplifier circuits and sample-and-hold applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00005 µA |
| Bias Current-Max (IIB) @25C | 0.00005 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 95dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0015 µA |
| Input Offset Voltage-Max | 1000 µV |
| JESD-30 Code | O-MBCY-W8 |
| JESD-609 Code | e0 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -22 V |
| Neg Supply Voltage-Nom (Vsup) | -20 V |
| Number of Functions | 2 |
| Package Body Material | METAL |
| Package Equivalence Code | CAN8,.2 |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Packing Method | TRAY |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 0.8V/us |
| Slew Rate-Nom | 1V/us |
| Supply Current-Max | 1mA |
| Supply Voltage Limit-Max | 22V |
| Supply Voltage-Nom (Vsup) | 20V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | WIRE |
| Terminal Position | BOTTOM |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 25000 |
| Wideband | NO |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input bias current of the LF442AMH?
The LF442AMH features an ultra-low maximum input bias current (IIB) of 0.00005µA (50pA) at 25°C, making it ideal for high-impedance sensor interfaces and precision instrumentation where leakage current must be minimized.
What are the typical applications for the LF442AMH op-amp?
The LF442AMH is commonly used in precision instrumentation amplifiers, active filters, data acquisition systems, medical equipment signal conditioning, and any application requiring low-noise amplification with minimal input loading from high-impedance sources.
What is the common-mode rejection ratio (CMRR) of the LF442AMH?
The LF442AMH provides a minimum CMRR of 70dB and a typical CMRR of 95dB, ensuring excellent rejection of common-mode interference and noise in differential signal applications such as industrial sensors and instrumentation.
Is the LF442AMH RoHS compliant and what package type is available?
Yes, the LF442AMH is Pb-free and RoHS compliant. It is available in a metal hermetic package (MH suffix), suitable for high-reliability and military/industrial environments requiring robust thermal and environmental protection.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 9+ | $32.8800 | $295.92 |
| 500+ | $23.6700 | $11835.00 |
| 1000+ | $22.3600 | $22360.00 |
| 10000+ | $21.0400 | $210400.00 |
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