TLC081IPE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The TLC081IPE4 is a single general-purpose CMOS operational amplifier in an 8-pin DIP package, operating from ±8V or 16V single supply with ultra-low 0.05nA typical input bias current. With 80dB minimum CMRR, 3mV maximum input offset voltage, and frequency compensation, it is ideal for precision signal conditioning, active filters, and sensor interface amplifier circuits.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TLC081IPE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 0.05nA typical input bias current for minimal loading on high-impedance sources
- 80dB minimum common-mode rejection ratio for accurate differential signal amplification
- 3mV maximum input offset voltage for precision DC signal conditioning
- Operates from ±8V dual or 16V single supply for flexible power configurations
- Frequency compensation enables stable closed-loop operation at any gain
- 8-pin DIP package for easy prototyping and through-hole assembly
Applications
The TLC081IPE4 is well-suited for precision signal conditioning, active filter design, photodiode transimpedance amplifiers, and high-impedance sensor interface circuits where extremely low input bias current prevents measurement error loading. It is commonly used in medical instruments, electrochemical sensors, pH meters, and data acquisition systems requiring accurate amplification of weak signals from high-source-impedance transducers.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0007 µA |
| Bias Current-Max (IIB) @25C | 0.00005 µA |
| Common-mode Reject Ratio-Min | 80dB |
| Common-mode Reject Ratio-Nom | 110dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 3000 µV |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 9.5V/us |
| Slew Rate-Nom | 16V/us |
| Supply Current-Max | 3.5mA |
| Supply Voltage Limit-Max | 17V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BIMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 10000 |
| Voltage Gain-Min | 100000 |
| Wideband | NO |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| 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 TLC081IPE4 and why is it important?
The TLC081IPE4 has a typical input bias current of just 0.05nA (50pA) and a maximum of 0.7nA. Such extremely low bias current minimizes the voltage error caused by current flowing through high-value source resistances, making it essential for amplifying signals from high-impedance sources like pH electrodes, photodiodes, and piezoelectric sensors without introducing significant offset.
What supply voltage configurations does the TLC081IPE4 support?
The TLC081IPE4 operates from dual supply voltages of ±8V (total 16V) or a single 16V supply, providing flexibility for both split-supply and single-supply circuit designs. This range is compatible with standard laboratory bench supplies and many battery-powered instrument power architectures.
What is the CMRR of the TLC081IPE4?
The TLC081IPE4 provides a minimum common-mode rejection ratio (CMRR) of 80dB, with a nominal value of 110dB. High CMRR ensures that signals common to both inputs (such as power supply noise or electromagnetic interference) are effectively rejected, preserving the accuracy of differential signal measurements in noisy environments.
What are typical applications for the TLC081IPE4?
Typical applications include transimpedance amplifiers for photodiodes and photodetectors, instrumentation front-end stages, active low-pass and band-pass filters, buffer amplifiers for high-impedance sensors, and precision voltage-to-current converters in medical devices, scientific instruments, and industrial measurement systems requiring CMOS amplifier characteristics.
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