TLC27L2IPE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
Texas Instruments TLC27L2IPE4 is a dual CMOS operational amplifier with 0.085 MHz bandwidth, 60 pA typical input bias current, 95 dB typical CMRR, and supply voltage compatibility from 5 V to 15 V in an 8-pin PDIP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TLC27L2IPE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TLC27L2IPE4?
- Dual CMOS op-amp with ultra-low 60 pA typical input bias current at 25 C for high-impedance source interfacing
- Wide supply voltage range of 5 V to 15 V single supply enabling use across diverse power rail designs
- 95 dB typical CMRR with internal frequency compensation for stable unity-gain operation in noisy environments
What is TLC27L2IPE4 used for?
The TLC27L2IPE4 is optimized for low-power precision signal conditioning in battery-operated and high-impedance applications, such as pH meter front ends, photodiode transimpedance amplifiers, and electrochemical sensor interfaces. Its dual-channel architecture, sub-nanoampere bias current, and wide supply range make it suitable for portable industrial instruments, medical monitoring devices, and analog filters where minimal input loading and low quiescent current are required.
What are the specifications of TLC27L2IPE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.002 µA |
| Bias Current-Max (IIB) @25C | 0.00006 µA |
| Common-mode Reject Ratio-Min | 65dB |
| Common-mode Reject Ratio-Nom | 95dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 13000 µV |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 2 |
| 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-Nom | 0.04V/us |
| Supply Current-Max | 0.086mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 130 |
| Voltage Gain-Min | 50000 |
| 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 |
Where can I find the TLC27L2IPE4 datasheet?
TLC27L2IPE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TLC27L2IPE4?
Compatible alternatives and drop-in replacements for TLC27L2IPE4:
Frequently Asked Questions
How does the 60 pA typical input bias current of TLC27L2IPE4 benefit photodiode transimpedance amplifier designs?
With only 60 pA typical input bias current at 25 C, the TLC27L2IPE4 introduces negligible dark-current error in transimpedance amplifier stages. For a 1 GOhm feedback resistor, this bias current contributes only 60 mV offset, making it suitable for low-light photodetection and optical sensing applications where even nanoampere leakage would saturate the output.
What supply voltage range is supported by TLC27L2IPE4 and how does that affect circuit flexibility?
The TLC27L2IPE4 operates from 5 V, 9 V, 12 V, or 15 V supply voltages, allowing use with standard single-supply MCU systems at 5 V and with dual or higher-voltage analog rails at 15 V. This wide compatibility reduces the need for dedicated regulators when integrating the dual op-amp into mixed-signal boards with diverse supply architectures.
How does TLC27L2IPE4's 0.085 MHz bandwidth suit low-frequency sensor signal conditioning?
With a gain-bandwidth product of 0.085 MHz, the TLC27L2IPE4 provides adequate bandwidth for DC to multi-kilohertz sensor signals such as temperature, pressure, and electrochemical outputs. Its CMOS architecture prioritizes low quiescent current over speed, making it more appropriate for slow biosensors and strain gauges than for audio or fast data acquisition applications.
For a dual-channel sensor interface PCB, how does the 8-pin PDIP package of TLC27L2IPE4 compare to SOT or SOIC alternatives?
The 8-pin PDIP package with 2.54 mm pin pitch is breadboard- and prototype-friendly, enabling rapid circuit validation without soldering SMD pads. While larger than an 8-pin SOIC at 6 mm x 5 mm versus 3 mm x 5 mm footprint, it simplifies rework and manual assembly for lab prototyping of 2-channel op-amp circuits before transitioning to an SMD package in production.
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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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