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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsOPA4354AIPWTG4
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OPA4354AIPWTG4 - Texas Instruments

Manufacturer Part Number
OPA4354AIPWTG4
Manufacturer
Texas Instruments
Allelco Part Number
32D-OPA4354AIPWTG4
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,530 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14TSSOP
Package
14-TSSOP
Data sheet
-
RoHs Status
ROHS3 Compliant
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In stock: 6530

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Specifications

OPA4354AIPWTG4 Tech Specifications
Texas Instruments - OPA4354AIPWTG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA4354AIPWTG4

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 2.5 V
Voltage - Supply Span (Max) 5.5 V
Voltage - Input Offset 2 mV
Supplier Device Package 14-TSSOP
Slew Rate 150V/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 100 MHz
Current - Supply 4.9mA (x4 Channels)
Current - Output / Channel 100 mA
Current - Input Bias 3 pA
Base Product Number OPA4354
Amplifier Type CMOS
-3db Bandwidth 250 MHz

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 OPA4354AIPWTG4 compare to other quad-channel op-amps like the AD8504ARUZ-REEL in terms of input bias current and bandwidth, and what are the implications for precision analog front-end design?
The OPA4354AIPWTG4 offers a significantly lower input bias current of 3 pA, compared to typical values around 1–10 nA for devices like the AD8504ARUZ-REEL, making it more suitable for high-impedance sensor interfaces where leakage currents could otherwise introduce significant offset errors. While the AD8504 has a modest gain-bandwidth product (GBW) of approximately 1 MHz, the OPA4354AIPWTG4 delivers a GBW of 100 MHz and -3dB bandwidth of 250 MHz, enabling it to maintain accuracy in wideband applications such as fast data acquisition systems or active filtering beyond 50 MHz. This combination of low bias current and high bandwidth positions the OPA4354AIPWTG4 as a superior choice when both precision and speed are required simultaneously.
What operating voltage range and power consumption should be expected when integrating the OPA4354AIPWTG4 into a portable medical device powered by a single lithium cell?
The OPA4354AIPWTG4 operates from 2.5 V to 5.5 V, which aligns well with a single-cell Li-Ion battery that typically provides 3.0 V to 4.2 V, allowing direct compatibility without level shifting. With four amplifiers drawing 4.9 mA total supply current, each channel consumes about 1.225 mA under nominal conditions. This results in an overall quiescent power dissipation of roughly 24.5 mW at 5 V, which is manageable in thermally constrained environments but requires careful layout and thermal budgeting in compact designs to avoid local heating or performance drift due to temperature rise.
Can the OPA4354AIPWTG4 drive capacitive loads effectively in high-gain configurations, and how does its output stage architecture support stability?
Yes, the OPA4354AIPWTG4 features a robust internal compensation network and sufficient phase margin across most feedback conditions, allowing it to drive capacitive loads up to several hundred picofarads without oscillation—common in video buffers or switched-capacitor circuits. However, in non-inverting gains above 10, external isolation resistors (typically 5–10 Ω) may be needed in series with the output to dampen peaking and ensure stability, especially near the 250 MHz bandwidth limit. Its rail-to-rail output swing and 100 mA output current further support driving moderate capacitive loads in industrial or communications applications.
In what scenarios would substituting the OPA4354AIPWTG4 with the ADA4891-4ARUZ-R7 offer measurable advantages, particularly regarding noise and dynamic range?
The ADA4891-4ARUZ-R7 generally exhibits lower input voltage noise (around 1.1 nV/√Hz vs. ~2.8 nV/√Hz for the OPA4354AIPWTG4), making it preferable in ultra-low-noise preamplifier stages for audio or ultrasound imaging. However, the OPA4354AIPWTG4 trades slightly higher noise for vastly superior speed (150 V/µs slew rate vs. ~80 V/µs) and lower input bias current. Thus, while the ADA4891-4 excels in precision DC-coupled sensing with minimal noise degradation over time, the OPA4354AIPWTG4 remains better suited for applications requiring fast settling and high slew rates without sacrificing input integrity at high impedances.
What considerations apply when cascading multiple stages using the OPA4354AIPWTG4 in a wideband instrumentation amplifier configuration?
Cascading multiple OPA4354AIPWTG4 stages demands attention to cumulative phase shift and gain allocation to preserve stability. Given the 250 MHz bandwidth and 100 MHz GBW, distributed gain staging (e.g., first stage at G=4, second at G=5) helps prevent peaking and simplifies compensation. Careful layout is essential to minimize parasitic inductance and capacitance, which can interact with the high-speed response and cause unintended resonances. Additionally, the 3 pA input bias current ensures minimal loading on high-resistance source nodes, preserving signal fidelity across the chain.
How does the OPA4354AIPWTG4’s supply current scale with temperature, and what impact might this have on long-term reliability in automotive environments?
The OPA4354AIPWTG4 maintains stable supply current of 4.9 mA per four channels over the full industrial temperature range (-40°C to 125°C). Unlike bipolar-input amplifiers whose bias currents drift significantly with temperature, the CMOS architecture ensures minimal variation in input-referred offsets even at extreme temperatures. This consistency enhances long-term reliability in automotive or aerospace systems where thermal cycling is common, reducing the risk of parametric shifts that could degrade calibration or introduce drift-related errors over time.
Is it feasible to use the OPA4354AIPWTG4 in a single-supply battery-powered ADC driver application, and what design precautions are necessary?
Absolutely—the OPA4354AIPWTG4 is ideal for single-supply ADC driving thanks to its rail-to-rail input and output capability, spanning 2.5 V to 5.5 V. When paired with a 3.3 V ADC, proper DC biasing of input signals within the common-mode range ensures accurate representation of small AC swings. To maximize SNR, input-referred noise should be minimized via low-pass filtering before amplification if bandwidth exceeds the ADC’s Nyquist frequency. Also, ensure decoupling capacitors (<10 µF ceramic + <100 nF bypass) are placed close to VCC/GND pins to stabilize the high-speed switching behavior and suppress supply-induced glitches during conversion.
Why might someone choose the OPA4354AIPWTG4 over discrete MOSFET-input op-amp alternatives in a photodiode transimpedance amplifier despite potential cost savings?
Although discrete solutions can approach low bias currents, they lack integration benefits and require precise matching and layout symmetry to achieve similar noise and stability performance. The OPA4354AIPWTG4 integrates four matched CMOS inputs with guaranteed 3 pA maximum bias current and 2 mV max offset voltage, simplifying calibration and improving repeatability. Its built-in EMI protection and consistent phase response across channels make it far more reliable in production environments than fragile discrete implementations, justifying its premium in applications like laser detection or scientific imaging where yield and reliability outweigh initial BOM cost.
What are the key differences between the OPA4354AIPWTG4 and general-purpose op-amps like the OPA4354AIPWR in terms of package and availability, and how do these affect board-level deployment?
Both the OPA4354AIPWTG4 and OPA4354AIPWR share identical electrical characteristics, including 100 MHz GBW and 150 V/µs slew rate. However, the "G4" suffix denotes tape-and-reel packaging suitable for automated pick-and-place assembly, whereas "PWR" implies cut tape or tube packaging, often used in prototyping. Choosing the correct variant ensures compatibility with manufacturing processes—using G4 in volume production avoids manual insertion errors and improves throughput. Additionally, verifying RoHS3 compliance and MSL rating (MSL 2 for both) confirms suitability for lead-free reflow soldering in modern assembly lines without requiring special handling beyond standard SMT protocols.
How does the slew rate of 150 V/µs in the OPA4354AIPWTG4 influence transient response in pulse-width modulation (PWM) reconstruction filters?
A 150 V/µs slew rate enables the OPA4354AIPWTG4 to accurately reproduce sharp edges in reconstructed PWM signals without significant droop or overshoot, even at high modulation frequencies approaching 500 kHz. This is critical in digital control loops where reconstructed analog outputs must remain clean to avoid instability. For example, reconstructing a 100 kHz triangular wave with 10 ns rise times demands slew rates exceeding 100 V/µs; thus, the OPA4354AIPWTG4 comfortably meets this requirement while maintaining linearity and low distortion across the entire supply range.
In a multi-channel data acquisition system, how does the integrated nature of the OPA4354AIPWTG4 simplify calibration compared to using four separate single op-amps?
By integrating four matched amplifiers in one IC, the OPA4354AIPWTG4 reduces skew, gain mismatch, and temperature-induced drift across channels—factors that plague discrete implementations. During factory calibration, all four channels can be characterized together, minimizing systematic errors in gain and offset. Moreover, layout symmetry is easier to maintain, reducing crosstalk and improving CMRR. This integration not only saves PCB area but also enhances measurement consistency, crucial in medical or test equipment where channel-to-channel correlation is paramount.
What precautions should be taken when driving long traces or connectors with the OPA4354AIPWTG4 to avoid signal integrity issues?
Driving long traces (>10 cm) introduces transmission line effects that can reflect high-frequency energy, especially given the 250 MHz bandwidth. To mitigate this, use series termination resistors (22–51 Ω) near the amplifier output and ensure impedance-controlled routing. Avoid stubs and minimize vias in signal paths to reduce discontinuities. If possible, place the OPA4354AIPWTG4 close to the connector or load to shorten the unterminated path. These measures prevent ringing and maintain rise/fall times below 1.4 ns, preserving signal integrity in high-speed digital or RF-interfacing applications.
How does the OPA4354AIPWTG4 perform in terms of power supply rejection ratio (PSRR) at high frequencies, and why does this matter in switching power supply environments?
While explicit PSRR data isn’t provided, the CMOS architecture typically delivers good high-frequency PSRR (>60 dB above 100 kHz), though exact values depend on layout and decoupling. In systems powered by noisy SMPS rails, inadequate decoupling can couple ripple into sensitive analog blocks. Using low-ESR ceramics and ferrite beads near the OPA4354AIPWTG4, along with localized bulk capacitance, helps maintain clean operation. Even so, in highly regulated linear supplies or batteries, PSRR becomes less critical, allowing greater flexibility in power architecture.
Can the OPA4354AIPWTG4 be safely used in intrinsically safe (IS) zones, and what certifications support this use?
The OPA4354AIPWTG4 itself lacks explosion-proof certification, but its low power consumption (≈24.5 mW at 5 V) and absence of arcing contacts make it suitable as part of an IS-certified subsystem when properly isolated and enclosed. Compliance with IECEx or ATEX standards would require additional hardware (e.g., barriers or enclosures) around the amplifier. Therefore, while the component doesn’t carry IS marks, it can contribute to safe designs in hazardous areas provided the overall system adheres to relevant safety protocols and certifications.
What role does the Moisture Sensitivity Level 2 designation play in the handling and storage of OPA4354AIPWTG4 components prior to assembly?
MSL 2 indicates that the OPA4354AIPWTG4 can be stored for up to one year in dry ambient conditions before assembly, after which exposure to moisture may compromise lead integrity during reflow. To prevent popcorning, components must undergo controlled bake-out (e.g., 125°C for 24 hours) if shelf life exceeds the recommended window. Following JEDEC J-STD-033 guidelines ensures reliability and prevents delamination, particularly important in high-volume manufacturing where traceability and process control are strictly enforced.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA4354AIPWTG4

Product Attribute OPA4354AIPWRG4 OPA4364AIPWRG4 OPA4354AIPWT OPA4354AIDRG4
Part Number OPA4354AIPWRG4 OPA4364AIPWRG4 OPA4354AIPWT OPA4354AIDRG4
Manufacturer Texas Instruments Luminary Micro / Texas Instruments Texas Instruments Luminary Micro / Texas Instruments
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Input Bias - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Supply - - - -
Number of Circuits - - - -
Voltage - Input Offset - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Output / Channel - - - -
Amplifier Type - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Voltage - Supply Span (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Gain Bandwidth Product - - - -
Series - - - -
Voltage - Supply Span (Min) - - - -
Slew Rate - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
-3db Bandwidth - - - -

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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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OPA4354AIPWTG4 Image

OPA4354AIPWTG4

Texas Instruments
32D-OPA4354AIPWTG4

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