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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsOPA4374AID
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OPA4374AID - Texas Instruments

Manufacturer Part Number
OPA4374AID
Manufacturer
Texas Instruments
Allelco Part Number
98D-OPA4374AID
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
40,439 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14SOIC
Package
14-SOIC
Data sheet
OPA4374AID.pdf

PCN Assembly/Origin

OPA4374 14/Sep/2020.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 40439
  • Unit Price: $1.796
  • Subtotal: $0.00

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1+ $1.796 $1.80
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Specifications

OPA4374AID Tech Specifications
Texas Instruments - OPA4374AID technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA4374AID

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 5.5 V
Voltage - Input Offset 1 mV
Supplier Device Package 14-SOIC
Slew Rate 5V/µs
Series -
Package / Case 14-SOIC (0.154", 3.90mm Width)
Package Tube
Output Type Rail-to-Rail
Product Attribute Attribute Value
Operating Temperature -40°C ~ 125°C
Number of Circuits 4
Mounting Type Surface Mount
Gain Bandwidth Product 6.5 MHz
Current - Supply 585µA (x4 Channels)
Current - Output / Channel 5 mA
Current - Input Bias 0.5 pA
Base Product Number OPA4374
Amplifier Type CMOS

Environmental & Export Classifications

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

Frequently Asked Questions(FAQ)

How does the OPA4374AID’s 6.5 MHz gain bandwidth product influence its suitability for active filter applications in low-power sensor signal conditioning?
The OPA4374AID’s 6.5 MHz gain bandwidth product enables stable operation in second-order Sallen-Key or multiple-feedback filters targeting cutoff frequencies up to approximately 650 kHz when configured near unity gain. For typical sub-100 kHz sensor interfaces—such as strain gauge or thermocouple amplification—this bandwidth provides sufficient phase margin while maintaining low quiescent current, making it viable for battery-powered systems where higher-speed op-amps would unnecessarily increase power consumption.
What are the practical implications of the OPA4374AID’s 0.5 pA input bias current in high-impedance transducer interfaces?
With an input bias current of just 0.5 pA, the OPA4374AID introduces negligible loading error even when interfacing with source impedances exceeding 10 MΩ—common in pH probes, photodiodes, or piezoelectric sensors. This minimizes the need for input buffering stages and reduces DC offset drift caused by bias current through source resistance, which is critical in precision DC-coupled measurement chains.
Can the OPA4374AID maintain rail-to-rail output swing under heavy capacitive loads, and what design considerations apply?
While the OPA4374AID supports rail-to-rail output, driving capacitive loads above 100 pF without series isolation resistance may induce peaking or instability due to limited phase margin under such conditions. A 10–100 Ω resistor placed in series with the output isolates the amplifier from the capacitive load, preserving stability. Output current capability of 5 mA per channel limits maximum slew-induced voltage swing into large caps; for example, charging a 1 nF load to full scale at 5 V/µs requires 5 mA, reaching the device’s current limit.
How does the OPA4374AID compare to the OPA4340AID in terms of power efficiency and noise performance for portable instrumentation?
The OPA4374AID consumes 585 µA per channel (2.34 mA total for four channels) versus the OPA4340AID’s 475 µA per channel, offering slightly higher power draw but improved noise characteristics—approximately 18 nV/√Hz vs. 25 nV/√Hz. In battery-operated devices where signal fidelity outweighs marginal power savings, the OPA4374AID’s lower noise floor can justify its selection despite the 23% increase in supply current.
What thermal management considerations arise when operating the OPA4374AID across its full -40°C to 125°C range in a densely populated PCB?
The OPA4374AID’s 14-SOIC package has a typical θJA of 120°C/W. At maximum supply voltage (5.5 V) and total quiescent current (2.34 mA), power dissipation is ~12.9 mW, resulting in a negligible temperature rise of ~1.5°C under free-air conditions. However, in enclosed or high-density layouts with adjacent heat sources, cumulative board heating may push junction temperatures closer to the upper limit, necessitating thermal relief vias or spacing to maintain long-term reliability.
Is the OPA4374AID suitable for single-supply precision rectifier circuits, and how does its 1 mV input offset affect accuracy?
Yes, the OPA4374AID’s rail-to-rail input and output stages allow effective implementation of precision half- or full-wave rectifiers using single 3.3 V or 5 V supplies. Its 1 mV input offset voltage introduces a small but measurable error in low-level AC signal detection; for a 10 mV peak input, this represents a 10% offset-induced inaccuracy. In applications requiring sub-millivolt precision, external offset nulling or post-processing calibration may be necessary.
How does the OPA4374AID’s slew rate of 5 V/µs limit its use in high-frequency pulse amplification or waveform generation?
The 5 V/µs slew rate restricts the OPA4374AID’s ability to accurately reproduce fast edges without distortion. For a full-scale 5 V step, the minimum rise time is 1 µs. At sinusoidal signals, the full-power bandwidth is limited to approximately 159 kHz (SR / (2π × Vpeak)). Beyond this, output waveforms exhibit slew-induced flattening, making the device inappropriate for applications like function generation above 100 kHz or high-speed comparator replacement.
What layout practices are recommended to preserve the OPA4374AID’s performance in mixed-signal environments with digital noise coupling?
To minimize noise coupling, place decoupling capacitors (100 nF ceramic + 1 µF tantalum) as close as possible to each supply pin pair, with short return paths to a solid ground plane. Separate analog and digital ground regions should be connected at a single point near the power supply. Input traces must be guarded or routed away from high-di/dt digital lines, and unused amplifier sections should be configured as unity-gain buffers with inputs tied to mid-supply to prevent oscillation.
How does the OPA4374AID’s performance degrade when operated near its minimum supply voltage of 2.7 V in low-headroom systems?
At 2.7 V, the OPA4374AID maintains rail-to-rail operation, but internal biasing margins shrink, potentially increasing input offset voltage variation and reducing open-loop gain. While datasheet specs guarantee functionality down to 2.7 V, real-world designs should allow 100–200 mV headroom for reliable output swing under load. For example, driving a 1 kΩ load to within 50 mV of either rail may not be achievable consistently at the lower voltage extreme.
What advantages does the OPA4374AID offer over general-purpose quad op-amps like the LM324 in modern 3.3 V industrial control systems?
Unlike the LM324, which lacks rail-to-rail I/O and operates poorly below 5 V, the OPA4374AID delivers full signal swing from 0 V to 3.3 V, enabling higher dynamic range in low-voltage ADCs. Its CMOS input stage (0.5 pA bias current vs. 20 nA for LM324) eliminates the need for input bias resistors in high-Z circuits, reducing component count and error sources. Additionally, the OPA4374AID’s 6.5 MHz bandwidth supports faster loop response in control systems compared to the LM324’s 1 MHz limit.
Can the OPA4374AID be used in a multi-stage gain configuration without risking instability due to cumulative phase lag?
Yes, but each stage must be designed with adequate phase margin. Cascading two non-inverting stages each with a gain of 10 results in a total bandwidth of roughly 650 kHz per stage (per the gain-bandwidth product). To avoid oscillation, ensure that the combined phase shift at unity-gain crossover remains below 135°. Adding small feedback capacitors (1–5 pF) across high-gain stages can dampen high-frequency peaking and improve stability.
How does the OPA4374AID’s moisture sensitivity level (MSL 2) affect handling and storage in high-volume manufacturing?
Rated MSL 2 (1 year floor life), the OPA4374AID can be stored in ambient conditions for up to 12 months after dry packaging is opened before requiring bake-out. In SMT lines, this allows flexible scheduling without immediate moisture absorption concerns. However, if exposed beyond this period, a 125°C bake for 24 hours is recommended prior to reflow to prevent popcorning during soldering, especially critical in high-reliability or automotive production environments.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA4374AID

Product Attribute OPA4374AIDR OPA4374AIDRG4 OPA4374AIDG4 OPA4364AIDRG4
Part Number OPA4374AIDR OPA4374AIDRG4 OPA4374AIDG4 OPA4364AIDRG4
Manufacturer Texas Instruments Texas Instruments Luminary Micro / Texas Instruments Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Output / Channel - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Circuits - - - -
Voltage - Supply Span (Max) - - - -
Voltage - Input Offset - - - -
Slew Rate - - - -
Current - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply Span (Min) - - - -
Amplifier Type - - - -
Current - Input Bias - - - -
Gain Bandwidth Product - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount

OPA4374AID Datasheet PDF

Download OPA4374AID pdf datasheets and Texas Instruments documentation for OPA4374AID - Texas Instruments.

PCN Design/Specification
OPAyyy Series DataSheet Update 6/Oct/2016.pdf
PCN Assembly/Origin
OPA4374 14/Sep/2020.pdf

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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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DHL & FedEx Shipment Charges Reference
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1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
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OPA4374AID Image

OPA4374AID

Texas Instruments
98D-OPA4374AID

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

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