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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsOPA4364AIPWR
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OPA4364AIPWR - Texas Instruments

Manufacturer Part Number
OPA4364AIPWR
Manufacturer
Texas Instruments
Allelco Part Number
32D-OPA4364AIPWR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
22,698 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14TSSOP
Package
14-TSSOP
Data sheet
OPA4364AIPWR.pdf

PCN Design/Specification

Design 22/Feb/2022.pdf
RoHs Status
ROHS3 Compliant
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Specifications

OPA4364AIPWR Tech Specifications
Texas Instruments - OPA4364AIPWR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA4364AIPWR

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-TSSOP
Slew Rate 5V/µs
Series -
Package / Case 14-TSSOP (0.173", 4.40mm 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

OPA4364AIPWR Image
OPA4364AIPWR (1)

Manufacturer Part Number

OPA4364AIPWR

Manufacturer

Texas Instruments

Introduction

The OPA4364AIPWR is a quad low-power operational amplifier (op-amp) with rail-to-rail input and output capabilities.

Product Features and Performance

Quad op-amp design with four independent op-amps in a single package

Wide supply voltage range from 1.8V to 5.5V

Low power consumption of 1.1mA per channel

High gain bandwidth product of 7MHz

Rail-to-rail input and output operation

Low input offset voltage of 1mV

Excellent input bias current of 1pA

High output current capability of 85mA per channel

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

Product Advantages

Compact and space-saving 14-TSSOP package

Excellent performance-to-power ratio

Versatile for a wide range of applications

Robust and reliable design

Key Technical Parameters

Package: 14-TSSOP (0.173", 4.40mm Width)

Mounting Type: Surface Mount

Number of Circuits: 4

Gain Bandwidth Product: 7 MHz

Voltage Supply Span (Min/Max): 1.8V to 5.5V

Current Supply: 1.1mA per channel

Slew Rate: 5V/μs

Voltage Input Offset: 1 mV

Amplifier Type: CMOS

Current Output / Channel: 85 mA

Current Input Bias: 1 pA

Quality and Safety Features

RoHS3 compliant

Reliable and robust design

Compatibility

The OPA4364AIPWR is compatible with a wide range of electronic circuits and systems that require high-performance, low-power operational amplifiers.

Application Areas

Instrumentation and measurement equipment

Data acquisition systems

Industrial control and automation

Medical devices

Portable electronics

Audio and video equipment

Product Lifecycle

The OPA4364AIPWR is an active product, and Texas Instruments continues to support it. There are no immediate plans for discontinuation, and replacement or upgrade options are available.

Key Reasons to Choose This Product

Excellent performance-to-power ratio with low power consumption and high bandwidth

Versatile quad op-amp design suitable for a wide range of applications

Robust and reliable CMOS-based architecture with a wide operating temperature range

Compact and space-saving 14-TSSOP package for efficient board layout

RoHS3 compliance for environmentally-friendly usage

Supported by Texas Instruments' extensive technical resources and long-term product availability

Frequently Asked Questions(FAQ)

How does the OPA4364AIPWR perform in low-voltage single-supply applications, and what design considerations are critical when operating near its 1.8 V minimum supply?
The OPA4364AIPWR is optimized for single-supply operation down to 1.8 V, making it suitable for battery-powered or energy-constrained systems. At this lower rail, the input common-mode range and output swing remain rail-to-rail, but dynamic performance such as slew rate and gain bandwidth product (7 MHz) may exhibit slight degradation due to reduced internal bias headroom. Engineers should verify closed-loop stability under light loads and ensure input signals do not exceed the supply rails, as exceeding the absolute maximum ratings—even briefly—can cause latch-up or long-term parametric drift. Thermal management is less critical at 1.8 V, but PCB layout should minimize parasitic resistance in supply paths to maintain effective rail integrity.
What are the implications of the 1 pA input bias current in the OPA4364AIPWR for high-impedance sensor interface applications?
With an input bias current of just 1 pA, the OPA4364AIPWR introduces negligible loading on high-impedance sources such as photodiodes, pH probes, or piezoelectric sensors. This enables accurate signal acquisition without requiring buffer stages or complex bias compensation networks. However, even this low current can generate microvolt-level offsets across large feedback or source impedances (e.g., >1 GΩ), so guarding techniques and clean PCB layout are essential to prevent leakage currents from dominating error budgets. In precision DC applications, the 1 mV input offset voltage may become the dominant error source rather than bias current.
How does the OPA4364AIPWR compare to general-purpose op-amps like the LM324 in terms of power efficiency and speed for portable instrumentation?
The OPA4364AIPWR offers significantly better power efficiency and speed than the LM324. While the LM324 consumes approximately 0.4 mA per amplifier and has a slew rate of 0.5 V/µs, the OPA4364AIPWR delivers 5 V/µs slew rate at only 1.1 mA total for all four channels—roughly 0.275 mA per amplifier. This combination enables faster settling in multiplexed sensor systems and extends battery life in portable devices. Additionally, the rail-to-rail I/O of the OPA4364AIPWR maximizes dynamic range in low-voltage supplies where the LM324’s limited output swing would clip signals.
Can the OPA4364AIPWR drive capacitive loads directly, and what stability precautions are necessary?
The OPA4364AIPWR can drive moderate capacitive loads (up to ~100 pF) without external compensation, thanks to its internally compensated design. However, driving larger capacitive loads—such as long cables or ADC sampling capacitors—can introduce phase lag and risk oscillation. In such cases, a small series resistor (10–100 Ω) between the output and load isolates the op-amp from the capacitive reactance, improving phase margin. For loads exceeding 500 pF, stability should be verified via transient simulation or bench testing, especially in unity-gain configurations where feedback factor is most sensitive.
What thermal behavior should be expected from the OPA4364AIPWR in a 14-TSSOP package under continuous 85 mA output current per channel?
Although each channel of the OPA4364AIPWR can source up to 85 mA, sustained operation at this level—especially across multiple channels—requires careful thermal evaluation. The 14-TSSOP package has a typical θJA of 120°C/W, meaning that dissipating even 0.5 W (e.g., two channels at 85 mA into a 2.5 V drop) could raise the junction temperature by 60°C above ambient. At 25°C ambient, this approaches the 125°C maximum rating. Designers should limit duty cycle, use thermal vias under the package pad, or reduce output current in high-temperature environments to avoid thermal shutdown or long-term reliability degradation.
How does the OPA4364AIPWR’s 7 MHz gain bandwidth product influence filter design and signal fidelity in multi-channel data acquisition systems?
The 7 MHz GBW of the OPA4364AIPWR supports closed-loop gains up to 70 dB (316 V/V) at 22 kHz, making it well-suited for anti-aliasing filters and signal conditioning in multi-channel ADCs sampling at 100 kSPS or below. However, at higher gains (e.g., 100x), bandwidth drops to ~70 kHz, which may limit response time in dynamic signal tracking. For multi-channel systems, crosstalk between amplifiers on the same die is minimal due to internal isolation, but shared supply and ground paths can couple noise—thus, star grounding and local decoupling (100 nF ceramic per supply pin) are recommended to preserve signal integrity.
Is the OPA4364AIPWR suitable for precision DC measurement applications, and how do its offset and drift compare to zero-drift amplifiers?
The OPA4364AIPWR provides adequate performance for moderate-precision DC applications with its 1 mV input offset voltage and low 1 pA bias current. However, it lacks the auto-calibration or chopper stabilization found in zero-drift amplifiers, so offset drift over temperature (typically 5 µV/°C) may accumulate in systems operating across the full -40°C to 125°C range—potentially introducing tens of microvolts of error. For applications requiring sub-millivolt accuracy over temperature, a precision amplifier with lower drift should be considered. That said, for many industrial sensor interfaces where gain stages follow initial buffering, the OPA4364AIPWR’s stability and low noise often outweigh its offset limitations.
What layout and decoupling practices are essential when using the OPA4364AIPWR in high-density surface-mount designs?
Due to its high-speed capability and four amplifiers in a compact 14-TSSOP package, the OPA4364AIPWR demands careful PCB layout. Each supply pin (V+ and V−) should be decoupled with a 100 nF ceramic capacitor placed as close as possible to the pin, with a low-inductance ground return path. Ground planes should be solid beneath the device, and input traces must be shielded from digital or high-dV/dt signals to prevent coupling. Thermal vias under the exposed pad improve heat dissipation and reduce ground impedance. Avoid routing high-current digital lines near feedback networks, as even small parasitic capacitances can cause ringing or instability in high-gain configurations.
How does the OPA4364AIPWR behave under input overvoltage conditions, and does it require external protection in industrial environments?
The OPA4364AIPWR includes internal input protection diodes that clamp voltages slightly beyond the supply rails, but sustained overvoltage (e.g., from transient events or miswiring) can exceed the diode current handling and damage the device. In industrial settings with inductive loads or long sensor cables, external protection such as series resistors (1 kΩ to 10 kΩ) combined with Schottky diodes to the rails is advisable. This limits fault current while preserving signal bandwidth. The 1 pA bias current allows higher series resistance without significant offset, making protection feasible without degrading performance.
Can the OPA4364AIPWR be used in a unity-gain buffer configuration for high-speed signal routing, and what are the risks?
Yes, the OPA4364AIPWR is stable in unity-gain configuration and can serve as a high-speed buffer for ADC inputs or signal distribution. Its 5 V/µs slew rate allows clean transitions for signals up to ~800 kHz with minimal distortion. However, unity-gain operation is more susceptible to instability with capacitive loads, and PCB parasitics can induce peaking or oscillation. Minimizing trace length between output and load, avoiding ground loops, and using a low-inductance ground plane are critical. For driving ADC sample-and-hold circuits, a small isolation resistor (25–50 Ω) at the output often improves settling behavior by damping LC resonances.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA4364AIPWR

Product Attribute OPA4364AIPWRG4 OPA4364AIPWTG4 OPA4354AIPWRG4 OPA4364AIPWT
Part Number OPA4364AIPWRG4 OPA4364AIPWTG4 OPA4354AIPWRG4 OPA4364AIPWT
Manufacturer Luminary Micro / Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply Span (Min) - - - -
Amplifier Type - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Input Offset - - - -
Series - - - -
Slew Rate - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Circuits - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Output Type - Current - Unbuffered Voltage - Buffered -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Current - Input Bias - - - -
Current - Output / Channel - - - -
Current - Supply - - - -
Voltage - Supply Span (Max) - - - -
Gain Bandwidth Product - - - -

OPA4364AIPWR Datasheet PDF

Download OPA4364AIPWR pdf datasheets and Texas Instruments documentation for OPA4364AIPWR - Texas Instruments.

PCN Design/Specification
Design 22/Feb/2022.pdf
PCN Part Number
Device Symbolization Change 13/Jun/2023.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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OPA4364AIPWR Image

OPA4364AIPWR

Texas Instruments
32D-OPA4364AIPWR

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