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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsOPA4364AIDR
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OPA4364AIDR - Texas Instruments

Manufacturer Part Number
OPA4364AIDR
Manufacturer
Texas Instruments
Allelco Part Number
32D-OPA4364AIDR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
22,652 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14SOIC
Package
14-SOIC
Data sheet
OPA4364AIDR.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 22652
  • Unit Price: $2.445
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.445 $2.45
10+ $2.131 $21.31
30+ $1.945 $58.35
100+ $1.755 $175.50
500+ $1.669 $834.50
1000+ $1.629 $1,629.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

OPA4364AIDR Tech Specifications
Texas Instruments - OPA4364AIDR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA4364AIDR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 1.8 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 Tape & Reel (TR)
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 7 MHz
Current - Supply 1.1mA (x4 Channels)
Current - Output / Channel 85 mA
Current - Input Bias 1 pA
Base Product Number OPA4364
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

Parts Introduction

OPA4364AIDR Image
OPA4364AIDR (1)

Manufacturer Part Number

OPA4364AIDR

Manufacturer

Texas Instruments

Introduction

Quad operational amplifier (op-amp) integrated circuit (IC)

Designed for a wide range of applications including instrumentation, control, and signal conditioning

Product Features and Performance

Rail-to-rail input and output

Low input offset voltage of 1 mV

High gain bandwidth product of 7 MHz

High slew rate of 5 V/μs

Low input bias current of 1 pA

Wide operating temperature range of -40°C to 125°C

Low power consumption of 1.1 mA per channel

Product Advantages

Versatile quad op-amp solution for various analog applications

Excellent DC and AC performance

Robust and reliable operation over wide temperature range

Efficient power usage

Key Technical Parameters

4 independent op-amp channels

Supply voltage range: 1.8 V to 5.5 V

Output current per channel: 85 mA

RoHS3 compliant

Quality and Safety Features

Designed and manufactured to high quality standards

Robust construction for reliable long-term operation

Compliance with relevant safety and environmental regulations

Compatibility

Industry-standard 14-SOIC surface mount package

Suitable for use in a wide range of electronic systems and equipment

Application Areas

Instrumentation and measurement equipment

Industrial control systems

Medical devices

Consumer electronics

Automotive electronics

Product Lifecycle

Current production model, no plans for discontinuation

Availability of replacement and upgrade options from Texas Instruments

Key Reasons to Choose This Product

Excellent performance characteristics across multiple parameters

Versatile quad op-amp design for flexible system integration

Reliable and robust operation in demanding environments

Power-efficient design for low-power applications

Compatibility with industry-standard packaging and interfaces

Frequently Asked Questions(FAQ)

How does the OPA4364AIDR support low-voltage operation in battery-powered systems, and what are the practical implications of its 1.8 V minimum supply voltage?
The OPA4364AIDR operates down to 1.8 V, enabling direct use with single-cell lithium-ion or two alkaline/NiMH batteries without requiring a boost converter. This simplifies power architecture and reduces component count in portable instrumentation, IoT sensors, and handheld meters. At 1.8 V, the device maintains rail-to-rail input and output swing, preserving signal dynamic range even under low supply conditions. However, output current capability may be marginally reduced near the lower supply limit, so load requirements should be verified under worst-case conditions.
What design considerations should be taken into account when using the OPA4364AIDR in high-impedance sensor interfaces given its 1 pA input bias current?
With an input bias current of just 1 pA, the OPA4364AIDR is well-suited for interfacing with high-impedance sources such as pH electrodes, photodiodes, or piezoelectric sensors. This minimizes loading effects that could otherwise distort measurements. Designers should still ensure clean PCB layout practices—such as guard rings and minimized trace lengths—to avoid leakage paths that could dominate the ultra-low bias current. Additionally, input filtering capacitors should be selected for low leakage (e.g., C0G/NP0 ceramics) to preserve signal integrity.
Can the OPA4364AIDR drive heavy capacitive loads, and what stability precautions are necessary?
While the OPA4364AIDR can drive moderate capacitive loads, its stability may be compromised with loads exceeding 100 pF without external compensation. For applications involving long cables or large filter capacitors, a small series resistor (10–100 Ω) at the output isolates the amplifier from the capacitive load and improves phase margin. Simulation or bench testing under actual load conditions is recommended, especially in unity-gain configurations where stability margins are tighter.
How does the 7 MHz gain bandwidth product of the OPA4364AIDR influence filter design and signal fidelity in precision measurement systems?
The 7 MHz GBW allows the OPA4364AIDR to support closed-loop gains up to several hundred while maintaining adequate bandwidth for signals in the tens of kHz range—sufficient for most industrial sensor conditioning and audio preprocessing tasks. When designing active filters (e.g., Sallen-Key or multiple-feedback topologies), the finite GBW introduces gain error and phase shift near the cutoff frequency. For accurate response, ensure the filter’s unity-gain frequency remains well below 7 MHz, typically limiting practical cutoff frequencies to under 500 kHz for high-precision applications.
In a multi-channel data acquisition system, how does the OPA4364AIDR’s 1.1 mA per channel supply current impact thermal management and power budgeting?
Each channel of the OPA4364AIDR draws 1.1 mA under typical conditions, resulting in 4.4 mA total for all four amplifiers. At a 5 V supply, this equates to 22 mW total power dissipation—manageable in most surface-mount applications without active cooling. However, in densely packed PCBs or elevated ambient temperatures (approaching 125°C), thermal coupling between channels or nearby components should be evaluated. The 14-SOIC package has a θJA of approximately 120°C/W, so localized heating remains minimal under normal loads.
What are the trade-offs between using the OPA4364AIDR versus a higher-speed op-amp in a 4-channel signal conditioning path for motor encoder feedback?
The OPA4364AIDR’s 5 V/µs slew rate and 7 MHz GBW are adequate for processing incremental encoder signals up to ~100 kHz with minimal distortion, making it suitable for many industrial motor control applications. However, in high-resolution or high-speed servo systems requiring rapid edge response (e.g., >500 kHz square waves), a faster amplifier may reduce timing jitter. The OPA4364AIDR offers advantages in power efficiency, low noise, and rail-to-rail operation, which often outweigh speed limitations in moderate-bandwidth scenarios.
How does the 1 mV input offset voltage of the OPA4364AIDR affect accuracy in precision DC measurement applications, and when might external trimming be necessary?
A 1 mV offset represents a 0.1% error relative to a 1 V full-scale signal, which is acceptable for many 12-bit systems but may exceed tolerances in high-gain or low-level sensing (e.g., thermocouple or strain gauge interfaces). In such cases, external nulling circuitry or digital calibration in the ADC domain can compensate. The OPA4364AIDR does not include internal offset trim pins, so system-level correction is typically employed. For applications requiring <0.5 mV error, consider auto-zero or chopper-stabilized alternatives, though at the cost of higher power and noise.
Is the OPA4364AIDR suitable for operation in automotive under-hood environments, given its -40°C to 125°C temperature range?
The OPA4364AIDR’s specified operating range covers the full automotive grade (-40°C to 125°C), making it viable for non-safety-critical under-hood applications such as sensor signal conditioning in cabin air quality monitors or lighting control modules. However, full automotive qualification (AEC-Q100) is not claimed, so use in powertrain or safety systems requires additional validation. Designers should also consider long-term drift and mechanical robustness beyond electrical specs when deploying in harsh environments.
How does the rail-to-rail output stage of the OPA4364AIDR behave near supply rails under varying load conditions?
The OPA4364AIDR achieves true rail-to-rail output swing, typically within 50 mV of either supply rail at light loads (<10 kΩ). As load current increases (approaching the 85 mA per channel limit), output saturation voltage rises due to internal transistor drops. For example, driving a 100 Ω load at 5 V may reduce usable swing by 200–300 mV. This behavior must be factored into ADC input ranges or comparator thresholds where headroom is critical.
What layout and decoupling practices are recommended to maintain performance of the OPA4364AIDR in a 4-channel mixed-signal PCB?
Place 0.1 µF ceramic decoupling capacitors as close as possible to each power pin pair (V+ and V−), with a shared ground return path to minimize loop inductance. Since all four amplifiers are in one package, cross-talk through the substrate or power rails can occur at high frequencies; separate analog ground planes and avoid routing digital signals beneath the device. For multi-channel precision applications, distribute reference voltages symmetrically and use star grounding to prevent ground bounce between channels.
How does the OPA4364AIDR compare to the OPA4340 in terms of power efficiency and speed for low-voltage sensor interfaces?
The OPA4364AIDR offers lower quiescent current (1.1 mA vs. 1.5 mA per channel) and better low-voltage performance down to 1.8 V, making it more efficient in battery-operated systems. However, the OPA4340 provides a higher GBW (10 MHz) and faster slew rate (7 V/µs), favoring higher-bandwidth applications. For sub-100 kHz sensor signals where power is constrained, the OPA4364AIDR is often preferred; for faster settling in multiplexed ADC systems, the OPA4340 may be more appropriate.
Can the OPA4364AIDR be used in a single-supply photodiode transimpedance amplifier configuration, and what limitations apply?
Yes, the OPA4364AIDR’s rail-to-rail input and output, combined with its 1 pA bias current, make it suitable for low-light photodiode applications. However, the absence of a negative supply requires biasing the photodiode cathode near ground or using a T-network feedback to manage dark current. The 7 MHz GBW limits maximum feedback resistor values—for a 1 MΩ transimpedance gain, bandwidth caps at ~700 kHz. Stability also demands careful selection of feedback capacitance to compensate for photodiode junction capacitance.
What is the significance of the MSL 2 rating for the OPA4364AIDR in high-volume manufacturing, and how should it be handled during assembly?
Moisture Sensitivity Level 2 indicates the OPA4364AIDR can be exposed to ambient conditions for up to 1 year after dry packing before requiring bake-out. This simplifies inventory management in SMT production lines compared to MSL 3 or higher devices. However, once the sealed bag is opened, the component must be reflowed within 168 hours (7 days) under <60% RH. Proper FIFO handling and humidity-controlled storage are still advised to prevent popcorning during reflow.
How does the 85 mA per channel output current capability of the OPA4364AIDR benefit actuator or transducer drive applications?
The 85 mA output allows the OPA4364AIDR to directly drive small solenoids, relays (via transistor), piezo transducers, or LED arrays without a buffer stage. This reduces BOM complexity in embedded control systems. However, sustained high-current operation increases die temperature—thermal derating should be applied if operating near 125°C ambient. Short-circuit protection is not specified, so external current limiting is recommended for inductive or fault-prone loads.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA4364AIDR

Product Attribute OPA4364AIDRG4 OPA4364AIDG4 OPA4364AIPWRG4 OPA4364AIPWR
Part Number OPA4364AIDRG4 OPA4364AIDG4 OPA4364AIPWRG4 OPA4364AIPWR
Manufacturer Texas Instruments Texas Instruments Luminary Micro / Texas Instruments Texas Instruments
Current - Input Bias - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Output / Channel - - - -
Slew Rate - - - -
Voltage - Supply Span (Min) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input Offset - - - -
Current - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply Span (Max) - - - -
Series - - - -
Gain Bandwidth Product - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Amplifier Type - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Number of Circuits - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

OPA4364AIDR Datasheet PDF

Download OPA4364AIDR pdf datasheets and Texas Instruments documentation for OPA4364AIDR - Texas Instruments.

Datasheets
Signal e-Book: OP Amp Design Topics.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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OPA4364AIDR Image

OPA4364AIDR

Texas Instruments
32D-OPA4364AIDR

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

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