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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsOPA2244EA/2K5
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OPA2244EA/2K5 - Texas Instruments

Manufacturer Part Number
OPA2244EA/2K5
Manufacturer
Texas Instruments
Allelco Part Number
32D-OPA2244EA/2K5
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
32,249 pcs available, New & Original
Parts Description
IC OPAMP GP 2 CIRCUIT 8VSSOP
Package
8-VSSOP
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 32249
  • Unit Price: $1.881
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.881 $1.88
10+ $1.627 $16.27
30+ $1.468 $44.04
100+ $1.304 $130.40
500+ $1.231 $615.50
1000+ $1.199 $1,199.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

OPA2244EA/2K5 Tech Specifications
Texas Instruments - OPA2244EA/2K5 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA2244EA/2K5

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 2.2 V
Voltage - Supply Span (Max) 36 V
Voltage - Input Offset 700 µV
Supplier Device Package 8-VSSOP
Slew Rate 0.1V/µs
Series MicroAmplifier™
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Package Tape & Reel (TR)
Output Type -
Product Attribute Attribute Value
Operating Temperature -40°C ~ 85°C
Number of Circuits 2
Mounting Type Surface Mount
Gain Bandwidth Product 430 kHz
Current - Supply 40µA (x2 Channels)
Current - Output / Channel 25 mA
Current - Input Bias 10 nA
Base Product Number OPA2244
Amplifier Type General Purpose

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

OPA2244EA/2K5 Image
OPA2244EA/2K5 (1)

Manufacturer Part Number

OPA2244EA/2K5

Manufacturer

Texas Instruments

Introduction

Dual general-purpose operational amplifier

Product Features and Performance

High gain-bandwidth product of 430kHz

Wide supply voltage range from 2.2V to 36V

Low input offset voltage of 700μV

Low input bias current of 10nA

High slew rate of 0.1V/μs

Dual-channel design with 25mA output current per channel

Product Advantages

Excellent performance for instrumentation and buffer amplifier applications

Wide operating temperature range of -40°C to 85°C

Small 8-pin VSSOP package for compact designs

RoHS3 compliant

Key Technical Parameters

Package: 8-VSSOP

Mounting Type: Surface Mount

Supply Voltage Range: 2.2V to 36V

Gain-Bandwidth Product: 430kHz

Input Offset Voltage: 700μV

Input Bias Current: 10nA

Slew Rate: 0.1V/μs

Output Current per Channel: 25mA

Quality and Safety Features

RoHS3 compliant

Compatibility

Compatible with a wide range of electronic systems and applications

Application Areas

Instrumentation and buffer amplifier applications

General-purpose operational amplifier uses

Product Lifecycle

This product is an active and widely available component from Texas Instruments.

Several Key Reasons to Choose This Product

Excellent performance characteristics, including high gain-bandwidth, wide supply voltage range, low offset voltage and bias current, and high slew rate

Dual-channel design with 25mA output current per channel, providing versatility and flexibility

Small 8-pin VSSOP package for compact PCB layout

Wide operating temperature range of -40°C to 85°C, suitable for a variety of environmental conditions

RoHS3 compliance for use in environmentally-friendly applications

Frequently Asked Questions(FAQ)

How does the OPA2244EA/2K5 compare to single-supply op-amps like the LM358 in low-voltage battery-powered applications?
The OPA2244EA/2K5 operates from a minimum supply voltage of 2.2 V, making it suitable for low-voltage systems, but its input offset voltage of 700 µV and input bias current of 10 nA may introduce higher DC errors compared to precision alternatives. In contrast, op-amps like the LM358 typically have higher input offset voltages (often >2 mV) and are optimized for rail-to-rail operation at 3 V. While both can function in low-voltage environments, the OPA2244 offers better DC accuracy due to lower offset and bias current, which is critical when amplifying weak sensor signals without additional calibration or trimming.
What are the key differences between the OPA2244EA/2K5 and dual-channel op-amp alternatives such as the LM2904YST in industrial sensing circuits?
The OPA2244EA/2K5 provides a gain bandwidth product of 430 kHz and a slew rate of 0.1 V/µs, enabling moderate-frequency signal conditioning in analog front-ends. In comparison, the LM2904YST has a much lower bandwidth (~1 MHz total across two channels) and slower slew rates, limiting its effectiveness in applications requiring precise transient response. Additionally, the OPA2244 consumes 40 µA per channel, offering superior power efficiency for battery-operated devices. However, the LM2904YST may suffice in simpler, low-speed switching or comparator-based designs where cost and legacy compatibility outweigh dynamic performance requirements.
Can the OPA2244EA/2K5 be used in precision instrumentation with millivolt-level input signals?
While the OPA2244EA/2K5 features an input offset voltage of 700 µV, which limits its suitability for ultra-precision amplification of very small differential signals, it may still perform adequately in non-critical measurement systems where error margins of tens of millivolts are acceptable. For millivolt-range inputs, external trimming or using higher-grade amplifiers with sub-10 µV offset would be preferable. The device’s low input bias current (10 nA) helps minimize loading effects on high-impedance sources, improving signal integrity in buffered configurations.
Is the OPA2244EA/2K5 suitable for driving capacitive loads in feedback configurations?
The OPA2244EA/2K5 does not include internal compensation specifically designed for capacitive load stability, so direct drive of large capacitive loads—such as long cables or filter stages—can lead to phase margin degradation and potential oscillation. Designers should limit capacitive loading to a few hundred picofarads unless using series isolation resistors or output buffering techniques. This behavior aligns with typical general-purpose op-amp limitations and differs from compensated amplifiers intended for unity-gain stability.
How does the power consumption of the OPA2244EA/2K5 affect battery life in IoT edge nodes?
With a quiescent current of 40 µA per channel (80 µA total for dual op-amps), the OPA2244EA/2K5 contributes minimally to overall system power draw in sleep-active cycling scenarios. When paired with microcontrollers that enter deep-sleep modes, this low leakage enables multi-month operation on coin-cell batteries in intermittent sensing applications. Compared to older dual op-amps drawing hundreds of microamps, the MicroAmplifier™ architecture significantly extends operational lifetime in energy-constrained deployments.
What considerations apply when replacing the OPA2244EA/2K5 with substitute components like the BA3472RFVM-TR?
Substitutes such as the BA3472RFVM-TR offer similar pin compatibility and supply range but often exhibit different noise characteristics, offset drift, and frequency response. The BA3472 may have superior bandwidth or lower distortion, but lacks guaranteed performance over the full industrial temperature range (-40°C to 85°C) in some regional variants. Designers must verify thermal derating, package dimensions, and electrical compliance before substitution, especially if certification or reliability testing is required.
Does the OPA2244EA/2K5 support rail-to-rail input and output swing in single-supply configurations?
No, the OPA2244EA/2K5 does not provide rail-to-rail input or output capability. Its output stage typically swings within approximately 30 mV of each supply rail at low loads, while inputs require at least 0.5 V above ground under normal conditions. This restricts usable dynamic range in tightly constrained supply voltages below 3 V, unlike dedicated rail-to-rail op-amps designed explicitly for 1.8 V operation.
What layout precautions are essential when using the OPA2244EA/2K5 in high-impedance sensor interfaces?
Given its input bias current of 10 nA, even minor leakage paths or parasitic capacitance on PCB traces can introduce significant voltage drops or AC coupling artifacts. Keep input leads short, avoid sharing return paths with digital sections, and consider guard rings around sensitive traces. Ground planes should be continuous beneath the amplifier, and decoupling capacitors placed close to the VSSOP package’s power pins help maintain stability under fast transients.
How does the OPA2244EA/2K5 behave under rapid load current transitions?
Each channel can source up to 25 mA into short-circuit conditions, but rapid changes in load demand coupled with limited slew rate (0.1 V/µs) can cause transient overshoot or undershoot in feedback loops. This makes the device less ideal for driving motors or high-capacitance loads directly without series resistance or active current limiting. Careful selection of feedback networks and output staging is recommended to preserve signal fidelity during dynamic loads.
Can the OPA2244EA/2K5 operate reliably in automotive-grade environments?
Although the OPA2244EA/2K5 is specified for -40°C to 85°C operation, it is not qualified to AEC-Q100 standards, which are mandatory for most automotive applications. While it may function in non-critical automotive peripherals, failure modes under vibration, thermal cycling, or electromagnetic interference could compromise long-term reliability. Use in automotive systems requires thorough environmental validation beyond datasheet parameters.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA2244EA/2K5

Product Attribute OPA2244EA/2K5G4 OPA2244UA/2K5 OPA2244EA/250G4 OPA2244EA/250
Part Number OPA2244EA/2K5G4 OPA2244UA/2K5 OPA2244EA/250G4 OPA2244EA/250
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Output / Channel - - - -
Voltage - Supply Span (Min) - - - -
Number of Circuits - - - -
Voltage - Input Offset - - - -
Amplifier Type - - - -
Voltage - Supply Span (Max) - - - -
Current - Input Bias - - - -
Slew Rate - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Current - Supply - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Gain Bandwidth Product - - - -

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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OPA2244EA/2K5 Image

OPA2244EA/2K5

Texas Instruments
32D-OPA2244EA/2K5

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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