OPA4244EA/250 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA4244EA/250 is a quad-channel micropower single-supply operational amplifier from Texas Instruments MicroAmplifier series, with 82 dB minimum CMRR and 1500 µV maximum input offset voltage. It operates from a single supply and draws minimal quiescent current for battery-powered signal conditioning. Ideal for sensor amplification, active filters, and precision instrumentation. From $3.20 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- OPA4244EA/250 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7442(MOQ 1)
- 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 OPA4244EA/250?
- Quad-channel micropower op-amp in a single package
- 82 dB minimum common-mode rejection ratio (CMRR)
- 25 nA maximum input bias current for high-impedance sources
- Single-supply operation for simplified power rail design
- 1500 µV maximum input offset voltage for precision DC accuracy
- Voltage-feedback architecture with frequency compensation
What is OPA4244EA/250 used for?
The OPA4244EA/250 is used in precision sensor signal conditioning circuits where four independent amplifier channels are needed on a single supply rail with very low bias current loading on high-impedance transducers. Its micropower consumption makes it suitable for battery-operated instruments and portable medical devices requiring continuous analog processing with minimal power draw. It also serves in active filter banks and reference buffer networks in data acquisition front ends.
What are the specifications of OPA4244EA/250?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.025 µA |
| Bias Current-Max (IIB) @25C | 0.025 µA |
| Common-mode Reject Ratio-Min | 82dB |
| Common-mode Reject Ratio-Nom | 104dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.01 µA |
| Input Offset Voltage-Max | 1500 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -7.5 V |
| Number of Functions | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.1V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 0.24mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 7.5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 430 |
| Voltage Gain-Min | 19950 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the OPA4244EA/250 datasheet?
OPA4244EA/250 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA4244EA/250?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input bias current does OPA4244EA/250 draw and why does this matter for resistive sensor interfaces?
The OPA4244EA/250 has a maximum input bias current of 25 nA, which creates only 25 µV of error across a 1 MΩ source impedance. This makes it suitable for interfacing high-impedance sensors such as pH electrodes, photodiodes, and piezo transducers without significant signal loading.
How does the 82 dB CMRR of OPA4244EA/250 benefit differential signal measurement in noisy environments?
With a minimum CMRR of 82 dB rising to 104 dB nominal, common-mode interference from 50 Hz or 60 Hz power lines is attenuated by over 10,000:1. This level of rejection is critical in medical ECG amplifiers and industrial process sensors where power-line noise couples onto long sensor cables.
For a 4-channel analog signal chain, how does OPA4244EA/250 compare to using four discrete single op-amps?
Integrating 4 amplifiers in one package reduces board space by approximately 4x compared to four individual SOT-23 single op-amps. It also simplifies routing and minimizes power distribution traces, which is valuable in compact 8-layer PCB designs for portable instruments and wearable monitoring devices.
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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 |
|---|---|---|
| 1+ | $5.1000 | $5.10 |
| 8+ | $2.5500 | $20.40 |
| 20+ | $1.9380 | $38.76 |
| 50+ | $1.8217 | $91.09 |
| 150+ | $1.7442 | $261.63 |
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