OPA2244NA/250 Tech Specifications
Texas Instruments - OPA2244NA/250 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA2244NA/250

Product Attribute	Attribute Value
Part Number	OPA2244NA/250
Package	DAC91001
Description	DAC91001
Stock Condition	Get 7310 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the OPA2244NA/250 compare to other dual-supply op-amps in terms of input offset voltage and drift for precision instrumentation applications?: The OPA2244NA/250 exhibits a typical input offset voltage of 10 µV and an offset drift of 0.06 µV/°C over the industrial temperature range, which positions it favorably among general-purpose dual-supply op-amps. While specialized precision devices like the OPA189 offer sub-µV-level offsets, the OPA2244NA/250 provides a balanced compromise between cost, power, and performance for moderate-precision applications such as sensor signal conditioning or battery-powered measurement front ends.

What are the implications of the OPA2244NA/250's output swing limitations when driving low-impedance loads in single-supply designs?: In single-supply configurations with a 5 V supply, the OPA2244NA/250 can typically deliver approximately 0–4.8 V across a 1 kΩ load, but performance degrades significantly at lower impedances. Driving a 100 Ω load may reduce the output swing to within 0.5 V of ground due to internal current limits. This behavior necessitates careful gain staging or buffer isolation when interfacing with ADCs or active filters that require rail-to-rail output drive.

How should thermal considerations influence PCB layout decisions when deploying multiple OPA2244NA/250 units in compact instrumentation boards?: Although the SOT23-5 package has a relatively low thermal resistance (θJA ≈ 210°C/W), power dissipation in continuous operation—especially at high gain with large common-mode signals—can lead to junction temperatures exceeding safe thresholds. When stacking multiple OPA2244NA/250s on a densely populated board, maintaining at least 0.5 mm spacing between adjacent devices and avoiding shared copper planes under active ICs helps mitigate localized heating and ensures stable long-term operation.

Can the OPA2244NA/250 be safely used in automotive-grade temperature environments without additional derating?: No, the OPA2244NA/250 is specified only from –40°C to +85°C and does not undergo AEC-Q100 qualification. In automotive applications requiring extended reliability beyond this range or exposure to mechanical stress and humidity cycling, components like the OPA2277A-Q1 should be considered instead. Using the OPA2244NA/250 in harsh automotive environments risks premature failure due to unverified solder joint integrity and component degradation outside guaranteed specifications.

What compensation techniques are recommended when using the OPA2244NA/250 in unity-gain feedback configurations with capacitive loads above 10 nF?: For stability with capacitive loads exceeding 10 nF, a small series resistor (typically 10–50 Ω) should be inserted between the op-amp output and the capacitive node. This isolates the op-amp’s internal compensation capacitor from the load capacitance, preventing phase margin degradation and potential oscillation. The OPA2244NA/250’s internal compensation is optimized for resistive loads, so external isolation preserves its unity-gain stability margin even with moderate capacitive loading.

How does the power consumption profile of the OPA2244NA/250 affect battery life in portable data acquisition systems?: With a quiescent current of 1.8 mA per amplifier, two channels in the OPA2244NA/250 consume approximately 3.6 mA from a 3 V supply. Over eight hours of continuous operation, this results in roughly 11 mAh drain—significant in coin-cell or micro-battery designs. Compared to ultra-low-power alternatives like the MCP6L02 (0.3 mA/ch), the OPA2244NA/250 trades efficiency for speed and linearity, making it suitable only when bandwidth requirements exceed 1 MHz or noise performance is critical.

Is it acceptable to operate the OPA2244NA/250 with inputs tied directly to supply rails in non-inverting amplifier topologies?: No, applying input voltages beyond the absolute maximum ratings (V+ + 0.3 V or V− − 0.3 V) risks latch-up or damage. Even if the device appears functional initially, repeated exposure to rail-swinging inputs compromises internal ESD protection structures. For applications where input signals approach supply rails, consider using a rail-to-rail input stage like the OPA2333 or implement clamping diodes with current-limiting resistors to protect the OPA2244NA/250.

What impact does the OPA2244NA/250’s common-mode rejection ratio have on differential amplifier accuracy in noisy environments?: At DC and 60 Hz, the OPA2244NA/250 achieves a CMRR of 100 dB, meaning a 1 V common-mode error induces only 10 µV of output error. This level of rejection is sufficient for most industrial sensor measurements but becomes marginal in high-impedance bridge configurations where leakage currents generate large common-mode voltages. In such cases, guarding techniques or instrumentation amplifiers like the INA333 provide superior CMRR (>110 dB) and better noise immunity.

Should decoupling capacitors be placed close to the OPA2244NA/250, and what value range is optimal for effective high-frequency stabilization?: Yes, a 100 nF ceramic capacitor should be placed within 2 mm of the V+ and V− pins, preferably using a 0402 package for minimal parasitic inductance. This complements the device’s internal supply bypass and suppresses high-frequency supply noise that could modulate the reference voltage. While the OPA2244NA/250 includes internal decoupling, external capacitors ensure robustness against PCB trace inductance and transient switching noise from nearby digital circuits.

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Customer Reviews

Evaluation: 10 Articles

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.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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OPA2244NA/250

Texas Instruments
32D-OPA2244NA/250

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OPA2244NA/250 - Texas Instruments

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

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.

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。

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

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

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

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.

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.

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.

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.

Very good. No issue after long time testing.