TLC271BIDG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TLC271BIDG4 is a single-channel programmable low-power CMOS operational amplifier from Texas Instruments, featuring ultra-low bias current of 60 fA and 65 dB minimum CMRR. Offered in an SOIC-8 package with wide supply range. From $0.60 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TLC271BIDG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6614(MOQ 600)
- 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 TLC271BIDG4?
- Ultra-low bias current of 0.00006 µA (60 fA) enabling precision high-impedance signal conditioning
- Programmable power modes for optimizing power vs. speed trade-off in battery-powered designs
- Wide common-mode rejection ratio of 80 dB typical for robust noise immunity in sensor interfaces
What is TLC271BIDG4 used for?
TLC271BIDG4 is well-suited for precision analog signal conditioning, photodiode amplifiers, and high-impedance sensor interfaces in medical and industrial equipment. Its ultra-low bias current makes it ideal for integrating capacitive sensors and pH measurement circuits where leakage current must remain below 1 nA.
What are the specifications of TLC271BIDG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00006 µA |
| Bias Current-Max (IIB) @25C | 0.00006 µA |
| Common-mode Reject Ratio-Min | 65dB |
| Common-mode Reject Ratio-Nom | 80dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.00006 µA |
| Input Offset Voltage-Max | 2000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | YES |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 3.6V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 1.6mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 2000 |
| Voltage Gain-Min | 10000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Mexico |
Where can I find the TLC271BIDG4 datasheet?
TLC271BIDG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TLC271BIDG4?
Compatible alternatives and drop-in replacements for TLC271BIDG4:
Frequently Asked Questions
What makes TLC271BIDG4 suitable for high-impedance sensor signal chains?
The TLC271BIDG4 has an extremely low input bias current of 0.00006 µA (60 fA) and input offset current of 60 fA. These near-zero leakage levels allow it to interface directly with high-impedance sources such as pH electrodes, piezoelectric sensors, and 10 MΩ resistive networks without introducing significant measurement error.
How does the programmable power feature help in battery-operated designs using TLC271BIDG4?
TLC271BIDG4 supports multiple user-selectable bias modes via external resistors, allowing the designer to trade bandwidth for current consumption. In the lowest-power mode, supply current drops to approximately 10 µA, extending battery life significantly in IoT sensor nodes or wearable devices that sample at low update rates.
What is the common-mode rejection ratio of TLC271BIDG4, and why does it matter for differential sensing?
TLC271BIDG4 achieves a typical CMRR of 80 dB and a minimum of 65 dB. In a differential temperature sensor bridge operating at 5 V supply, this level of CMRR attenuates 100 mV of common-mode noise down to below 10 µV at the output, preserving 12-bit measurement accuracy in electrically noisy industrial environments.
Which package does TLC271BIDG4 use and what lead finish does it carry?
TLC271BIDG4 comes in an 8-pin Small Outline (SOIC-8) package with a 1.27 mm lead pitch. It carries a Pb-free (RoHS-compliant) lead finish, making it compatible with modern lead-free soldering processes at reflow temperatures up to 260 °C per J-STD-020.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 600+ | $0.6614 | $396.83 |
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