TLV2451IDBVR Texas Instruments Integrated Circuit (Other) In Stock
TLV2451IDBVR is a single-channel rail-to-rail input and output operational amplifier from Texas Instruments with 23 µA supply current, 220 kHz gain-bandwidth product, 80 dB CMRR, and 70 dB minimum CMRR, packaged in a 5-pin SOT-23 for low-power analog signal conditioning.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TLV2451IDBVR 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
- Rail-to-rail input and output swings for full dynamic range at low supply voltages
- Ultra-low 23 µA quiescent supply current for battery-powered designs
- 220 kHz gain-bandwidth product for audio and sensor signal processing
- 80 dB typical common-mode rejection ratio for noise immunity
- Bias current as low as 5 nA at 25°C for high-impedance sensor inputs
- 5-pin SOT-23 package for compact PCB placement
- Single-supply operation from 1.8 V to 5.5 V
Applications
TLV2451IDBVR is suitable for battery-powered portable instruments, wearable health monitors, and IoT sensor nodes where ultra-low 23 µA quiescent current extends battery life significantly. Its rail-to-rail input and output swing maximizes signal resolution when operating from 1.8 V to 5.5 V single-supply rails typical of MCU-based systems. The part is also used in active filter stages, transimpedance amplifiers for photodiodes, and precision signal amplification in low-power industrial sensor front-ends.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.007 µA |
| Bias Current-Max (IIB) @25C | 0.005 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 80dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.00045 µA |
| Input Offset Voltage-Max | 1500 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 0.02V/us |
| Slew Rate-Nom | 0.11V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 0.042mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 220 |
| Voltage Gain-Min | 63095 |
| 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 |
| Country of Origin | Mainland China, Philippines, Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TLV2451IDBVR:
Frequently Asked Questions
How does TLV2451IDBVR's 23 µA supply current benefit battery-powered IoT sensor nodes?
At only 23 µA quiescent current, TLV2451IDBVR consumes minimal power in always-on analog front-ends, allowing a 200 mAh CR2032 coin cell to sustain the op-amp for approximately 8700 hours, making it practical for long-life wireless sensor nodes, wearables, and medical patches where frequent battery replacement is unacceptable.
Can TLV2451IDBVR accurately amplify signals from high-impedance sensors such as pH electrodes or photodiodes?
Yes, TLV2451IDBVR's input bias current of only 5 nA at 25°C produces negligible voltage error across even multi-megaohm source impedances, making it well suited for pH electrode amplifiers, photodiode transimpedance stages, and electrochemical sensor interfaces where bias current through high source resistance would otherwise cause unacceptable offset errors.
What bandwidth does TLV2451IDBVR provide and for which signal frequency ranges is it appropriate?
TLV2451IDBVR has a 220 kHz gain-bandwidth product, which supports closed-loop signal amplification up to roughly 22 kHz at a gain of 10 V/V or up to 220 kHz at unity gain, covering audio band signals, temperature sensor outputs, pressure sensor readings, and other low-frequency analog signals typical of industrial and medical measurement systems.
How does the rail-to-rail output of TLV2451IDBVR maximize ADC input range in a 3.3 V single-supply system?
With rail-to-rail output, TLV2451IDBVR swings to within a few millivolts of both GND and the 3.3 V supply, utilizing nearly the full 3.3 V reference span of the downstream ADC, whereas a non-rail-to-rail amplifier might lose 0.5 V to 1 V on each rail, effectively wasting 30% or more of the ADC's 12-bit or 16-bit dynamic range.
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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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