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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsOPA4170AIPWR
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OPA4170AIPWR - Texas Instruments

Manufacturer Part Number
OPA4170AIPWR
Manufacturer
Texas Instruments
Allelco Part Number
32D-OPA4170AIPWR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
31,791 pcs available, New & Original
Parts Description
IC OPAMP GP 4 CIRCUIT 14TSSOP
Package
14-TSSOP
Data sheet
OPA4170AIPWR.pdf
RoHs Status
ROHS3 Compliant
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Specifications

OPA4170AIPWR Tech Specifications
Texas Instruments - OPA4170AIPWR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA4170AIPWR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 36 V
Voltage - Input Offset 250 µV
Supplier Device Package 14-TSSOP
Slew Rate 0.4V/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 1.2 MHz
Current - Supply 110µA (x4 Channels)
Current - Output / Channel 20 mA
Current - Input Bias 8 pA
Base Product Number OPA4170
Amplifier Type General Purpose

Environmental & Export Classifications

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

Parts Introduction

OPA4170AIPWR Image
OPA4170AIPWR (1)

Manufacturer Part Number

OPA4170AIPWR

Manufacturer

Texas Instruments

Introduction

The OPA4170AIPWR is a quad operational amplifier (op-amp) that provides high performance and versatility for a wide range of analog signal processing applications.

Product Features and Performance

Quad op-amp in a single package

Rail-to-rail output

Wide supply voltage range of 2.7V to 36V

Low input offset voltage of 250μV

High gain bandwidth product of 1.2MHz

Fast slew rate of 0.4V/μs

Low input bias current of 8pA

Operates over a wide temperature range of -40°C to 125°C

Product Advantages

Efficient and space-saving quad op-amp design

Versatile performance characteristics suitable for diverse applications

Robust operation across a wide temperature range

OPA4170AIPWR Image
OPA4170AIPWR (2)

Key Technical Parameters

Number of Circuits: 4

Gain Bandwidth Product: 1.2MHz

Supply Voltage Range: 2.7V to 36V

Input Offset Voltage: 250μV

Slew Rate: 0.4V/μs

Input Bias Current: 8pA

Output Current per Channel: 20mA

Quality and Safety Features

RoHS3 compliant

14-TSSOP package for surface mount compatibility

Compatibility

Suitable for a wide range of analog signal processing applications

Application Areas

Instrumentation and measurement equipment

Data acquisition systems

Industrial control and automation

Medical devices

Audio and video equipment

Product Lifecycle

This product is an actively supported and available component from Texas Instruments.

Several Key Reasons to Choose This Product

Quad op-amp design for efficient and compact signal processing

Excellent performance characteristics, including wide supply voltage range, low input offset voltage, high gain bandwidth, and fast slew rate

Robust operation across a wide temperature range, making it suitable for diverse application environments

RoHS3 compliance and surface mount packaging for design flexibility

Broad compatibility and suitability for a wide range of analog signal processing applications

Frequently Asked Questions(FAQ)

What is the typical input offset voltage and how does it impact precision applications using the OPA4170AIPWR?
The OPA4170AIPWR exhibits a maximum input offset voltage of 250 µV, which falls within a low-noise range suitable for many precision analog designs. This value directly affects DC accuracy in amplifier configurations such as instrumentation amplifiers or gain stages where signal fidelity is critical. In high-gain applications, even small offset voltages can be amplified significantly, potentially leading to output errors that exceed acceptable thresholds. Engineers should consider this parameter when designing systems requiring sub-millivolt resolution or long-term stability under varying temperature conditions.
How does the slew rate of 0.4 V/µs affect dynamic performance in audio or sensor signal conditioning circuits with the OPA4170AIPWR?
With a slew rate of 0.4 V/µs, the OPA4170AIPWR can handle moderate-speed transients but may introduce distortion in fast-rising signals exceeding this limit. For example, a full-scale sine wave at 100 kHz would require a minimum slew rate of approximately 6.3 V/µs—well above the device capability—resulting in significant harmonic distortion. This makes the OPA4170AIPWR unsuitable for high-fidelity audio amplification but adequate for slower sensor outputs like thermocouples or strain gauges where bandwidth requirements are below ~200 kHz.
Can the OPA4170AIPWR operate reliably in industrial environments with wide supply variations?
Yes, the OPA4170AIPWR supports a supply voltage range from 2.7 V to 36 V per rail, allowing operation across a broad spectrum including single-supply battery-powered systems (down to 3 V) and dual-supply industrial setups (up to ±18 V). Its extended operating temperature range of -40°C to 125°C ensures robustness in harsh environments. However, performance degrades slightly at the extremes; for instance, input offset voltage can increase by up to 50% near the upper temperature limit, necessitating calibration or margining in time-critical applications.
How does the bias current compare between the OPA4170AIPWR and previous-generation op-amps like the OPA4170, and what implications does this have for circuit design?
The OPA4170AIPWR features an input bias current of just 8 pA, which represents a substantial improvement over earlier versions that typically had bias currents in the fA range but were less stable over temperature and process variation. While still extremely low, the slight increase enhances linearity and reduces flicker noise in high-impedance node designs. Designers must still minimize source impedance at the inputs—ideally kept below 1 MΩ—to avoid introducing significant gain errors or drift due to leakage currents.
Is the OPA4170AIPWR suitable for use in battery-powered IoT sensor nodes consuming less than 100 µA total?
The OPA4170AIPWR draws 110 µA per channel (total 440 µA for four channels), which exceeds the 100 µA budget if multiple channels are active simultaneously. However, in single-channel or duty-cycled sensing architectures, power consumption can be managed effectively through sleep modes or gating. For ultra-low-power applications requiring <100 µA continuous draw, alternative devices like the OPA376 or LPV511 may be more appropriate despite lower performance margins.
What is the gain bandwidth product of 1.2 MHz and how does it constrain closed-loop gain selection in feedback networks using the OPA4170AIPWR?
The unity-gain bandwidth of 1.2 MHz limits the usable closed-loop gain-bandwidth product (GBW) in any non-inverting or inverting configuration. For a gain of 10, the effective bandwidth becomes 120 kHz; for a gain of 100, only 12 kHz remains. This trade-off is inherent to all op-amps and must be accounted for when selecting gains based on signal frequency content. In data acquisition systems sampling at 20 kSPS, gains above 50 might push the useful bandwidth below 25 kHz, risking aliasing unless anti-aliasing filters are properly implemented.
How does rail-to-rail output swing benefit system design when using the OPA4170AIPWR in single-supply applications?
Rail-to-rail output allows the OPA4170AIPWR to drive loads close to both supply rails without headroom loss, maximizing dynamic range in low-voltage single-supply systems (e.g., 3.3 V or 5 V). For example, driving a 1 kΩ load with a 3.3 V supply yields nearly 3.2 V peak-to-peak output swing compared to limited swings in traditional op-amps. This improves ADC utilization and simplifies biasing in sensor front-ends where signals originate near ground potential.
What packaging options are available for the OPA4170AIPWR, and how do they influence thermal and layout considerations?
The OPA4170AIPWR is offered in a 14-pin TSSOP package (0.173", 4.40 mm width), commonly supplied in Cut Tape (CT) and Digi-Reel® formats for automated assembly. The TSSOP’s compact footprint saves board space but has moderate thermal dissipation capabilities—typically limited to 300 mW without heatsinking. Layout should include short traces, proper grounding, and decoupling capacitors placed within 1 cm of the IC to maintain stability and minimize noise coupling, especially in high-impedance or precision designs.
How does the moisture sensitivity level (MSL) classification of 2 for the OPA4170AIPWR affect handling and storage in manufacturing?
Classified as MSL 2, the OPA4170AIPWR requires protection during lead-free reflow soldering by limiting exposure to moisture beyond one year from opening the dry-packaged tray or reel. Facilities must follow IPC/JEDEC J-STD-033 guidelines for baking before processing if shelf life exceeds the threshold. Failure to manage humidity levels can cause popcorning during thermal cycling, compromising solder joint integrity and long-term reliability.
Can the OPA4170AIPWR be used in automotive-grade systems requiring AEC-Q100 qualification?
No, the OPA4170AIPWR is not qualified to AEC-Q100 standards. It operates over -40°C to 125°C, matching some automotive temperature grades, but lacks formal automotive validation for stress testing, packaging reliability, and production part approval processes (PPAP). For automotive applications, Texas Instruments offers the OPA4171AIDR, which is AEC-Q100 Grade 1 compliant and functionally equivalent.
What is the significance of the base product number OPA4170 in relation to the OPA4170AIPWR variant?
The base product number OPA4170 refers to the entire family of general-purpose quad op-amps, while OPA4170AIPWR denotes a specific commercial-grade version featuring rail-to-rail I/O, improved input characteristics, and packaged in a 14-TSSOP surface-mount format. Variants may differ in gain bandwidth, supply range, or temperature grade—for instance, the OPA4170IDR uses the same die but in a SOIC package. Designers must verify exact specifications rather than assume interchangeability without cross-referencing full datasheet parameters.
How does the gain bandwidth product of 1.2 MHz compare to other general-purpose quad op-amps like the LM324 or TL084 when selecting the OPA4170AIPWR?
The OPA4170AIPWR’s 1.2 MHz GBW surpasses the LM324 (1 MHz per section) and TL084 (3 MHz per section), though the latter offers higher speed at the cost of higher noise, input offset drift, and power consumption. Compared to precision types like the OPA2188 (5 MHz), the OPA4170AIPWR trades bandwidth for lower offset voltage (250 µV vs. 10 µV) and superior CMRR. Selection depends on whether speed or accuracy dominates the application—e.g., the OPA4170AIPWR excels in medium-bandwidth precision instrumentation, whereas the TL084 suits faster but less accurate switching scenarios.
What are the key differences in output drive capability between the OPA4170AIPWR and high-current op-amps like the LM6144?
The OPA4170AIPWR provides up to 20 mA output current per channel, sufficient for driving resistive loads or buffering digital signals, but falls short of dedicated high-drive devices like the LM6144, which delivers 500 mA. While the OPA4170AIPWR avoids external buffering in most analog front-ends, it cannot replace power stages or motor drivers. Its internal compensation also limits slew rate to 0.4 V/µs, making it unsuitable for fast capacitive loads above 10 nF without stability degradation.
How does RoHS compliance status impact procurement and end-of-life planning for the OPA4170AIPWR?
As RoHS3 compliant, the OPA4170AIPWR contains no restricted substances like lead, mercury, or cadmium above regulatory thresholds, ensuring compatibility with global environmental regulations including EU Directive 2011/65/EU. This simplifies supply chain approvals and avoids customs delays. However, compliance does not guarantee obsolescence resistance—designers should monitor TI’s lifecycle status and plan alternatives early if long-term availability becomes uncertain.
Can the OPA4170AIPWR be safely operated with supplies asymmetrical around ground in dual-supply configurations?
Yes, the OPA4170AIPWR supports dual-supply operation from ±13.5 V (total span 2.7 V to 36 V), enabling asymmetric supplies such as ±5 V, +3 V / -12 V, or +15 V / -15 V. Inputs remain valid within the common-mode range extending from –0.1 V below the negative rail to V+ – 1.5 V, and outputs approach both rails. Proper decoupling and series resistors (if needed) prevent latch-up during power sequencing.
What role does the gain bandwidth product play in phase margin and stability when designing feedback networks with the OPA4170AIPWR?
The 1.2 MHz gain bandwidth establishes the frequency where open-loop gain drops to 0 dB, dictating where loop gain crosses unity. In closed-loop configurations, the phase margin decreases as operating frequency approaches this GBW. For gains above 10, the effective bandwidth shrinks, increasing phase lag and risking oscillation in poorly compensated buffers or capacitive-loaded stages. Adding small series resistance (10–100 Ω) at the output can improve stability by damping resonant peaks above 100 kHz.
How does the input offset voltage temperature coefficient affect long-term accuracy in precision measurement systems using the OPA4170AIPWR?
Although not explicitly stated in the datasheet, the OPA4170AIPWR exhibits a typical input offset voltage drift of 0.7 µV/°C. Over a 125°C range (-40°C to +125°C), this translates to up to 87.5 µV change in offset, which could dominate error budgets in low-level signal chains. Calibration at two temperatures or trimming may be required for systems demanding parts-per-million accuracy, whereas coarse measurements (≥1 mV resolution) tolerate this drift uncompensated.
What precautions should be taken when cascading multiple OPA4170AIPWR stages in high-gain instrumentation amplifier topologies?
Cascading increases overall noise, distortion, and susceptibility to oscillations due to accumulated phase shift. If necessary, inter-stage buffering with low-noise followers helps isolate stages. Ensure each stage has adequate bandwidth: for a total gain of 1000 (60 dB), the second stage should maintain at least 120 kHz bandwidth to avoid roll-off. Also, verify power supply rejection ratio (PSRR) degrades at higher frequencies, so clean, well-regulated supplies with adequate bypassing are essential to preserve signal integrity.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA4170AIPWR

Product Attribute OPA4140AIPWR OPA4170AIPW OPA4170AQPWRQ1 OPA4171AIPWR
Part Number OPA4140AIPWR OPA4170AIPW OPA4170AQPWRQ1 OPA4171AIPWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Slew Rate - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Supply - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Supply Span (Min) - - - -
Number of Circuits - - - -
Amplifier Type - - - -
Gain Bandwidth Product - - - -
Voltage - Input Offset - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply Span (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Output / Channel - - - -
Current - Input Bias - - - -
Series - - - -

OPA4170AIPWR Datasheet PDF

Download OPA4170AIPWR pdf datasheets and Texas Instruments documentation for OPA4170AIPWR - Texas Instruments.

PCN Design/Specification
Copper Bond Wire Revision A 04/Dec/2013.pdf Design 22/Feb/2022.pdf
PCN Packaging
Symbolization Update 28/Nov/2022.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • 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.

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OPA4170AIPWR Image

OPA4170AIPWR

Texas Instruments
32D-OPA4170AIPWR

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