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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsTLV4171IPWR
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TLV4171IPWR - Texas Instruments

Manufacturer Part Number
TLV4171IPWR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TLV4171IPWR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
30,973 pcs available, New & Original
Parts Description
IC OPAMP GP 4 CIRCUIT 14TSSOP
Package
14-TSSOP
Data sheet
TLV4171IPWR.pdf

PCN Design/Specification

Design 22/Feb/2022.pdf

PCN Assembly/Origin

Wafer Fab Site 16/Dec/2022.pdf
RoHs Status
ROHS3 Compliant
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In stock: 30973
  • Unit Price: $2.522
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1+ $2.522 $2.52
10+ $2.208 $22.08
30+ $2.022 $60.66
100+ $1.832 $183.20
500+ $1.746 $873.00
1000+ $1.706 $1,706.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TLV4171IPWR Tech Specifications
Texas Instruments - TLV4171IPWR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TLV4171IPWR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 36 V
Voltage - Input Offset 750 µV
Supplier Device Package 14-TSSOP
Slew Rate 1.5V/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 3 MHz
Current - Supply 525µA (x4 Channels)
Current - Output / Channel 25 mA
Current - Input Bias 10 pA
Base Product Number TLV4171
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

TLV4171IPWR Image
TLV4171IPWR (1)

Manufacturer Part Number

TLV4171IPWR

Manufacturer

Texas Instruments

Introduction

The TLV4171IPWR is a high-performance operational amplifier (op-amp) from Texas Instruments, designed for a wide range of instrumentation and general-purpose applications.

Product Features and Performance

Quad (4-channel) operational amplifier

Rail-to-rail output

Low input offset voltage of 750 µV

Low input bias current of 10 pA

High slew rate of 1.5 V/µs

Gain bandwidth product of 3 MHz

Wide supply voltage range of 2.7 V to 36 V

Low quiescent current of 525 µA per channel

Operating temperature range of -40°C to 125°C

Product Advantages

Excellent DC and AC performance for precision instrumentation

Flexible supply voltage range for diverse applications

Low power consumption for battery-powered devices

Compact 14-TSSOP package for space-constrained designs

TLV4171IPWR Image
TLV4171IPWR (2)

Key Technical Parameters

Number of Circuits: 4

Gain Bandwidth Product: 3 MHz

Voltage Supply Span (Min/Max): 2.7 V / 36 V

Current Supply: 525 µA per channel

Slew Rate: 1.5 V/µs

Voltage Input Offset: 750 µV

Amplifier Type: General Purpose

Current Output / Channel: 25 mA

Current Input Bias: 10 pA

Quality and Safety Features

RoHS3 compliant

14-TSSOP package for surface mount applications

Compatibility

The TLV4171IPWR is compatible with a wide range of electronic systems and can be used in a variety of instrumentation, control, and general-purpose amplifier applications.

Application Areas

Instrumentation and measurement equipment

Industrial control systems

Medical devices

Consumer electronics

Portable and battery-powered devices

Product Lifecycle

The TLV4171IPWR is an active and widely available product from Texas Instruments. There are no indications of it nearing discontinuation, and replacement or upgrade options are readily available.

Key Reasons to Choose This Product

Excellent DC and AC performance for precision instrumentation

Wide supply voltage range for versatile applications

Low power consumption for battery-powered devices

Compact 14-TSSOP package for space-constrained designs

RoHS3 compliance for environmental responsibility

Broad compatibility and long product lifecycle

Frequently Asked Questions(FAQ)

How does the TLV4171IPWR compare to other quad general-purpose op-amps in terms of input offset voltage and bias current for precision analog front-end designs?
The TLV4171IPWR exhibits a typical input offset voltage of 750 µV, which is relatively low for a rail-to-rail output amplifier, making it suitable for applications requiring moderate precision. In comparison to similar devices like the LMV324 or MCP604, its input bias current of 10 pA is notably lower, reducing errors due to input leakage in high-impedance sensor interfaces. This combination allows the TLV4171IPWR to perform adequately in precision conditioning circuits where drift and noise are concerns, though it may not match the performance of zero-drift amplifiers in ultra-low-offset scenarios.
What design considerations should be taken into account when using the TLV4171IPWR in single-supply battery-powered systems with supply voltages near the minimum specified range?
When operating the TLV4171IPWR on a single supply as low as 2.7 V, designers must ensure that the input common-mode voltage remains within the specified range to maintain rail-to-rail functionality. Since the device supports rail-to-rail inputs and outputs, signal swings can extend close to the rails, but headroom for output swing decreases at lower supplies. With a typical supply current of 525 µA per channel, total quiescent power consumption for all four channels is approximately 2.1 mW at 3 V, which is favorable for low-power applications. However, slew rate drops slightly at reduced supply voltages, potentially affecting response time in fast-settling control loops.
Can the TLV4171IPWR be used in industrial temperature environments without derating its performance specifications?
Yes, the TLV4171IPWR is rated for operation from -40°C to 125°C, covering most industrial and automotive-grade applications. Within this range, all key parameters such as gain bandwidth product, slew rate, and input bias current are guaranteed under specified conditions. However, long-term reliability and parameter drift over time may still require margining in critical systems. The MSL 2 classification indicates standard moisture sensitivity, so proper handling during assembly is necessary, but no additional environmental derating beyond datasheet limits is required.
How does the TLV4171IPWR’s output drive capability compare to other quad op-amps when driving capacitive loads or short-circuit loads?
Each channel of the TLV4171IPWR can source or sink up to 25 mA, enabling robust drive capability for moderate loads. Compared to higher-gain-bandwidth competitors like the OPA333, this device trades off bandwidth for higher output current, making it more suitable for driving low-impedance loads or moderate capacitive loads without excessive phase lag. In comparison to lower-current devices, the 25 mA output current provides better stability when buffering sensors or powering small actuators, though it may introduce more ringing if compensation techniques aren’t applied for capacitive loads above tens of nanofarads.
What layout and PCB design practices are recommended when implementing the TLV4171IPWR in a multi-channel system to minimize crosstalk and noise coupling?
Due to its 14-pin TSSOP package and four independent amplifier channels, the TLV4171IPWR benefits from careful PCB layout to prevent substrate coupling and inter-channel interference. Recommendations include placing decoupling capacitors (typically 0.1 µF ceramic) as close as possible to the V+ and V– pins, using separate ground return paths for each channel where feasible, and maintaining symmetric routing to reduce differential pickup. Ground planes should be solid under the IC to minimize loop inductance, and guard traces can help isolate sensitive input lines from noisy digital signals—especially important given the 3 MHz gain bandwidth and moderate slew rate.
Is the TLV4171IPWR suitable for use in audio signal conditioning applications given its bandwidth and distortion characteristics?
While the TLV4171IPWR has a 3 MHz gain bandwidth product and 1.5 V/µs slew rate, its suitability for audio depends on the specific frequency range and dynamic requirements. For ultrasonic or wideband signal processing beyond audible frequencies, it performs well due to adequate bandwidth. However, for full-range audio applications (20 Hz–20 kHz), harmonic distortion and noise floor may become limiting factors. Although rail-to-rail operation helps maximize dynamic range, the device is not optimized for low-distortion audio amplification compared to dedicated audio op-amps like the OPA167x series, which offer lower THD and specialized feedback networks for minimal coloration.
How does the TLV4171IPWR handle common-mode rejection in high-impedance differential amplifier configurations?
The TLV4171IPWR achieves typical CMRR values in the range of 80–90 dB, which is acceptable for many general-purpose differential amplifier designs. In high-impedance sensor applications, the low input bias current (10 pA) minimizes loading effects, preserving signal integrity. However, achieving high CMRR requires careful layout symmetry and matched resistors. Compared to instrumentation amplifiers with internal resistor matching, discrete implementations using the TLV4171IPWR will have lower CMRR unless precision resistors are used and thermal gradients are controlled—particularly critical in precision measurement systems where even microvolt-level offsets matter.
What are the implications of using the TLV4171IPWR in switching regulator feedback loops compared to dedicated error amplifier solutions?
The TLV4171IPWR can function in basic linear regulator or post-regulator feedback networks due to its rail-to-rail output and moderate bandwidth. With a gain bandwidth of 3 MHz, it supports switching frequencies up to several hundred kilohertz, but lacks the optimized phase margin and noise immunity of dedicated error amplifiers like those found in TI’s LM500x family. Its 1.5 V/µs slew rate ensures sufficient speed for most DC-DC converter topologies, but transient response may degrade if compensation networks are not carefully designed. Additionally, the 750 µV offset voltage introduces a fixed error in regulation accuracy, which must be accounted for in tight tolerance designs.
How does the power consumption of the TLV4171IPWR scale across its supply voltage range, and what impact does this have on battery life in portable devices?
The TLV4171IPWR draws approximately 525 µA per channel across the entire supply range from 2.7 V to 36 V, indicating relatively constant quiescent current regardless of voltage. For a four-channel application, total supply current is about 2.1 mA. At 3.3 V, this translates to roughly 7 mW total power dissipation, contributing significantly to standby drain in battery-operated systems. While efficient relative to older bipolar op-amps, modern CMOS alternatives like the TLV9064 may offer lower current, impacting selection based on duty cycle and sleep modes. Nevertheless, the wide supply range enables flexible deployment across various battery chemistries without major rework.
Can the TLV4171IPWR operate reliably in automotive applications subject to ISO 16750-3 vibration and shock testing standards?
Although the TLV4171IPWR is rated for -40°C to 125°C, which overlaps with AEC-Q100 Grade 1 qualification, the part itself is not inherently qualified to automotive functional safety standards unless explicitly tested and marked. Texas Instruments offers automotive versions of certain TLV parts under different suffixes or part numbers. Assuming standard commercial grade, the device may experience increased failure rates under prolonged mechanical stress or thermal cycling. Designers intending automotive use should verify availability of AEC-Q100 compliant variants and incorporate derating margins for long-term reliability, especially in harsh environments.
What trade-offs exist between speed and power when selecting the TLV4171IPWR versus a higher-speed rail-to-rail op-amp for data acquisition front ends?
The TLV4171IPWR offers a balance of speed (3 MHz GBW, 1.5 V/µs) and low power (525 µA/ch), making it ideal for medium-speed data acquisition where power budgets constrain system lifetime. Faster alternatives like the OPA350 (50 MHz GBW, 27 V/µs) consume significantly more current (~1.2 mA/ch), increasing heat and reducing battery life. Conversely, slower, lower-power devices like the MCP6L71 draw only ~30 µA but lack sufficient bandwidth for multiplexed sampling. The TLV4171IPWR sits mid-tier, enabling ADC driver duties up to ~1 MSPS with moderate anti-aliasing filters while maintaining reasonable noise performance and offset characteristics.
How does the input stage architecture of the TLV4171IPWR affect its performance in AC-coupled signal chains with large DC offsets?
The TLV4171IPWR uses a CMOS input stage capable of rail-to-rail input swing, which simplifies biasing in single-supply systems. However, its input protection diodes and parasitic capacitances can cause nonlinear behavior when inputs are driven beyond supply rails or exposed to large transient voltages. In AC-coupled applications, DC restoration circuits must ensure the virtual ground remains within the common-mode range. Given its 10 pA bias current, leakage through coupling capacitors is negligible, but offset voltage shifts with temperature could affect baseline stability if not compensated by feedback or calibration routines.
Is the TLV4171IPWR compatible with automated optical inspection (AOI) and pick-and-place equipment commonly used in high-volume manufacturing?
Yes, the TLV4171IPWR is packaged in a 14-TSSOP (4.4 mm width) configuration mounted on tape and reel (TR), fully compatible with industry-standard pick-and-place machines. The MSL 2 rating allows one year of shelf life after opening, provided storage conditions meet IPC/JEDEC J-STD-033. Solder paste reflow profiles should follow standard SnPb-free guidelines for TSSOP packages, typically peaking around 240–250°C. Proper stencils and alignment marks ensure reliable assembly, minimizing defects during mass production.
What is the significance of the “Rail-to-Rail” specification in the TLV4171IPWR, and how does it influence maximum output swing in real-world conditions?
The rail-to-rail designation applies to both input and output stages, allowing signals to approach the supply rails more closely than traditional op-amps. However, actual output swing depends on load, temperature, and supply voltage. For example, at 5 V supply and 25°C, the TLV4171IPWR typically delivers >4.8 V peak-to-peak output under light loads (<1 kΩ). Under heavier loads (e.g., 100 Ω), headroom reduces to ~4.5 V. This behavior is consistent across the full temperature range, but output impedance increases near saturation, potentially distorting high-frequency signals. Designers should consult output swing vs. load plots in the datasheet for accurate predictions.
How does the TLV4171IPWR’s unity-gain stability compare to other general-purpose op-amps, and what compensation strategies are needed for negative feedback configurations?
The TLV4171IPWR is internally compensated for unity-gain stability across all four channels, eliminating the need for external components in non-inverting or buffer configurations. This makes it convenient for straightforward gain stages up to the closed-loop bandwidth limit defined by GBW = 3 MHz. Unlike some precision op-amps that require series resistors to avoid peaking, the TLV4171IPWR remains stable without modifications—provided capacitive loads do not exceed certain thresholds (usually <100 pF without isolation resistors). For higher gains or longer cables, small series resistors (22–100 Ω) at the output help dampen oscillations.
Can the TLV4171IPWR replace discrete transistor-based amplifier stages in active filter designs for sensor signal conditioning?
Yes, the TLV4171IPWR can serve as a replacement for discrete BJT or MOSFET amplifiers in first-stage filtering due to its integrated gain, low offset, and rail-to-rail capabilities. Its 3 MHz bandwidth supports second-order active filters up to ~500 kHz center frequencies with moderate Q factors. Compared to discrete solutions, it reduces component count, improves consistency, and simplifies layout. However, parasitic capacitance and limited output drive may necessitate buffer stages before high-order filters or long transmission lines. Careful attention to power supply rejection ratio (PSRR) is also needed, as PSRR degrades at higher frequencies despite adequate GBW.
What role does the TLV4171IPWR play in industrial sensor interface circuits such as strain gauge amplifiers or thermocouple preamplifiers?
The TLV4171IPWR functions effectively as a low-noise, low-offset preamplifier in transducer interfaces due to its 10 pA bias current and 750 µV offset. In quarter-bridge strain gauge configurations, it amplifies millivolt-level signals with minimal added noise, though external precision resistors are still needed for balancing. For thermocouples, its rail-to-rail input accommodates small differential voltages near ground, while the moderate bandwidth allows integration with cold-junction compensation circuits. However, for ultra-high-precision measurements (>0.1% accuracy), dedicated instrumentation amplifiers like the INA128 provide superior CMRR and gain stability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TLV4171IPWR

Product Attribute TLV4170IPWR TLV4172IPWR TLV4171IDR TLV4314IPWR
Part Number TLV4170IPWR TLV4172IPWR TLV4171IDR TLV4314IPWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Type - Current - Unbuffered Voltage - Buffered -
Series - - - -
Current - Supply - - - -
Voltage - Supply Span (Min) - - - -
Slew Rate - - - -
Gain Bandwidth Product - - - -
Current - Output / Channel - - - -
Amplifier Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Input Offset - - - -
Current - Input Bias - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Circuits - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply Span (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42

TLV4171IPWR Datasheet PDF

Download TLV4171IPWR pdf datasheets and Texas Instruments documentation for TLV4171IPWR - Texas Instruments.

PCN Design/Specification
Design 22/Feb/2022.pdf
PCN Assembly/Origin
Wafer Fab Site 16/Dec/2022.pdf
PCN Part Number
Device Symbolization Change 13/Jun/2023.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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TLV4171IPWR Image

TLV4171IPWR

Texas Instruments
32D-TLV4171IPWR

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

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