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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsTSV994AIPT
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TSV994AIPT - STMicroelectronics

Manufacturer Part Number
TSV994AIPT
Manufacturer
STMicroelectronics
Allelco Part Number
32D-TSV994AIPT
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
32,355 pcs available, New & Original
Parts Description
IC OPAMP GP 4 CIRCUIT 14TSSOP
Package
14-TSSOP
Data sheet
TSV994AIPT.pdf

Datasheets

TSV99x(A).pdf

PCN Assembly/Origin

New material set 22/Apr/2020.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 32355
  • Unit Price: $1.194
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.194 $1.19
10+ $1.047 $10.47
30+ $0.955 $28.65
100+ $0.86 $86.00
500+ $0.818 $409.00
1000+ $0.80 $800.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TSV994AIPT Tech Specifications
STMicroelectronics - TSV994AIPT technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - TSV994AIPT

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Voltage - Supply Span (Min) 2.5 V
Voltage - Supply Span (Max) 5.5 V
Voltage - Input Offset 100 µV
Supplier Device Package 14-TSSOP
Slew Rate 10V/µs
Series Automotive, AEC-Q100
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 20 MHz
Current - Supply 820µA (x4 Channels)
Current - Output / Channel 35 mA
Current - Input Bias 1 pA
Base Product Number TSV994
Amplifier Type General Purpose

Environmental & Export Classifications

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

Parts Introduction

TSV994AIPT Image
TSV994AIPT (1)

Manufacturer Part Number

TSV994AIPT

Manufacturer

STMicroelectronics

Introduction

Quad Operational Amplifier

Designed for general-purpose applications

Product Features and Performance

Rail-to-Rail Output

20 MHz Gain Bandwidth Product

10 V/μs Slew Rate

100 μV Input Offset Voltage

1 pA Input Bias Current

35 mA Output Current per Channel

820 μA Supply Current per Amplifier

Product Advantages

Suitable for a wide range of applications

Excellent performance characteristics

Low power consumption

Compact 14-TSSOP package

TSV994AIPT Image
TSV994AIPT (2)

Key Technical Parameters

Supply Voltage Range: 2.5 V to 5.5 V

Operating Temperature Range: -40°C to 125°C

Package: 14-TSSOP

Quality and Safety Features

RoHS3 Compliant

AEC-Q100 Qualified (Automotive Grade)

Compatibility

Compatible with a variety of electronic systems and circuits

Application Areas

Automotive electronics

Industrial control systems

Portable and battery-powered devices

Instrumentation and measurement equipment

Product Lifecycle

Current product, not nearing discontinuation

Replacement and upgrade options available

Key Reasons to Choose This Product

Excellent performance and reliability

Wide operating temperature range

Low power consumption

Compact and space-efficient package

Automotive and industrial grade quality

Frequently Asked Questions(FAQ)

How does the TSV994AIPT compare to other general-purpose op-amps in terms of input bias current and offset voltage when used in precision sensor signal conditioning applications?
The TSV994AIPT exhibits an input bias current of 1 pA, which is exceptionally low for a general-purpose amplifier, making it suitable for high-impedance sensor interfaces where leakage currents can significantly affect measurement accuracy. Its input offset voltage is specified at 100 µV, enabling reliable amplification of small differential signals common in thermocouple, RTD, or piezoelectric sensor outputs. Compared to typical JFET-input op-amps with input bias currents in the tens of picoamperes, this device offers superior DC precision. However, when compared to ultra-low-noise or zero-drift amplifiers like the LTC2063, the TSV994AIPT trades some long-term stability for higher bandwidth and faster slew rate (10 V/µs), making it better suited for dynamic sensing rather than static calibration environments.
What design considerations are critical when implementing multiple TSV994AIPT channels in a single automotive ECU for analog front-end conditioning?
In automotive ECUs using four independent TSV994AIPT channels, thermal coupling between packages must be evaluated, as each channel draws 820 µA, totaling 3.28 mA per IC. While this current is modest, localized heating could affect offset drift if adjacent components generate heat. The rail-to-rail output capability allows full swing from supply rails (2.5–5.5 V), simplifying single-supply designs. However, care must be taken with output loading—each channel can source/sink 35 mA, but sustained high-current loads may require external buffering. Additionally, the AEC-Q100 qualification ensures reliability under automotive temperature extremes (-40°C to +125°C), but PCB layout must minimize crosstalk through guard rings or ground isolation between analog sections.
Can the TSV994AIPT be safely operated near its power supply limits in battery-powered systems running on a 3.3 V lithium-ion backup cell?
Yes, the TSV994AIPT supports a wide supply range from 2.5 V to 5.5 V, so operation at 3.3 V is well within specifications. The device consumes only 820 µA per channel (3.28 mA total for all four), resulting in negligible quiescent power draw even over extended backup periods. The rail-to-rail input and output stages maximize dynamic range on such limited supplies, allowing full utilization of the available signal headroom. However, noise performance should be assessed: while the gain bandwidth product is 20 MHz, the PSRR (power supply rejection ratio) degrades near the lower end of the supply range, so bypassing the supply pins with 100 nF ceramic capacitors close to the package is recommended to maintain stability in noisy environments.
How does the slew rate of the TSV994AIPT influence its suitability for driving capacitive loads in motor control feedback loops?
With a slew rate of 10 V/µs, the TSV994AIPT can handle moderate-speed transients common in motor control applications, such as current loop feedback or encoder signal processing. This enables accurate tracking of rapidly changing signals without excessive phase lag. However, driving large capacitive loads (>1 nF) directly may cause instability due to internal compensation; in such cases, a series resistor (typically 22–100 Ω) should be placed at the output to dampen ringing. Compared to faster amplifiers like the OPAx197 family (slew rates exceeding 50 V/µs), the TSV994AIPT trades speed for lower power and cost, making it appropriate for non-critical feedback paths rather than core PWM regulation loops requiring minimal propagation delay.
What are the implications of the TSV994AIPT’s Moisture Sensitivity Level (MSL) rating of 1 in high-volume automotive assembly processes?
An MSL rating of 1 means the TSV994AIPT is not moisture-sensitive and can be stored indefinitely at room temperature without baking prior to reflow—ideal for high-volume production environments. This simplifies inventory management and reduces handling steps in automated assembly lines. Combined with its AEC-Q100 Grade 1 qualification (-40°C to +125°C operating range), the component meets rigorous automotive reliability standards without requiring special packaging or pre-conditioning. Manufacturers can confidently use standard lead-free reflow profiles (e.g., peak temperature ~245°C for <10 seconds) without risk of delamination or bond failure.
In what scenarios would the TSV994AIPT be preferable over a dedicated instrumentation amplifier despite its lack of matched resistors and high CMRR?
The TSV994AIPT is advantageous in space-constrained or cost-sensitive applications where full instrumentation amplifier functionality is unnecessary—such as simple transducer conditioning, level shifting, or buffer stages in multi-channel data acquisition systems. Its quad configuration saves board area versus discrete op-amp implementations, and its low input bias current minimizes errors in high-resistance divider networks. For example, in a 4–20 mA current loop transmitter design, one channel could amplify the loop current sense voltage across a shunt resistor, while others handle status signaling. Unlike INAs, it doesn’t offer guaranteed gain accuracy or high CMRR, but for unipolar, single-ended signals with moderate precision requirements, it provides excellent value and integration density.
How does the TSV994AIPT’s gain bandwidth product interact with closed-loop gain selection in audio preamplifier stages?
With a gain bandwidth product (GBW) of 20 MHz, the TSV994AIPT maintains sufficient bandwidth up to fairly high closed-loop gains. For instance, at a gain of 10, the usable bandwidth exceeds 2 MHz, which comfortably covers audio frequencies up to 20 kHz with ample margin. However, at gains above 100, the bandwidth drops below 200 kHz, limiting utility in ultra-high-gain audio applications requiring flat frequency response. In practice, most microphone or line-level preamps operate at gains between 2 and 40, where the TSV994AIPT delivers linear phase and minimal distortion. When compared to audio-dedicated op-amps like the NE5532 (with higher GBW but higher distortion and noise), the TSV994AIPT trades sonic quality for lower noise floor and DC precision.
What layout precautions are essential when routing signals to the TSV994AIPT in a mixed-signal PCB with digital switching regulators?
To preserve signal integrity, analog inputs and outputs of the TSV994AIPT should be routed away from noisy digital traces such as clock lines or switch-mode regulator outputs. A star-ground topology with the analog section tied directly to the power supply return near the IC minimizes ground bounce. Decoupling capacitors (100 nF ceramic in parallel with 10 µF tantalum) must be placed within 5 mm of the V+ and V− pins to suppress high-frequency supply noise. Since the input bias current is only 1 pA, input protection diodes are generally unnecessary unless ESD events are expected; however, series resistors (10–100 Ω) at inputs can limit fault currents during transient overvoltages. Proper shielding or guard traces may further reduce coupling in densely populated boards.
Can the TSV994AIPT drive heavy capacitive loads reliably in industrial automation environments without oscillation?
Direct drive of large capacitive loads (e.g., >10 nF) is not recommended without external compensation. The internal compensation network assumes light loads, and heavy capacitances can destabilize the amplifier. Adding a small series resistor (22–100 Ω) between the output and load capacitor introduces damping and restores stability. This technique is commonly used in servo control loops or relay driver circuits. The TSV994AIPT’s 35 mA output drive capability allows it to charge such loads quickly enough for many industrial applications, provided stability margins are maintained. Compared to class-D amplifier drivers designed for millisecond-scale switching, this device is more appropriate for continuous analog drive than pulsed loads.
How does the TSV994AIPT’s operating temperature range impact its use in under-hood automotive sensor modules?
The -40°C to +125°C operating range aligns with AEC-Q100 Grade 1 requirements, making the TSV994AIPT suitable for under-hood applications exposed to engine bay temperatures exceeding 105°C. Thermal derating is minimal: the maximum junction temperature is typically 150°C, leaving a 25°C safety margin at full ambient. Offset voltage drift over this range is predictable and manageable through calibration routines if needed. However, long-term exposure to 125°C may accelerate electromigration in bond wires, though STMicroelectronics validates lifetime performance via accelerated aging tests. Designers should ensure adequate airflow or conduction paths to avoid hotspots near the IC.
What trade-offs exist between using the TSV994AIPT versus a chopper-stabilized op-amp in precision data acquisition systems?
The TSV994AIPT offers simplicity, low cost, and high bandwidth (20 MHz) but lacks automatic offset correction, leading to potential drift over time and temperature. Chopper-stabilized amplifiers like the MAX44244 eliminate 1/f noise and maintain microvolt-level offset stability, ideal for bridge sensors or medical instruments. However, they often suffer from higher noise density, reduced bandwidth at unity gain, and output ripple due to modulation artifacts. For applications requiring fast settling and moderate precision (e.g., industrial pressure transducers), the TSV994AIPT strikes a balance between performance and complexity. It avoids the compromises inherent in stabilized architectures while delivering sufficient DC accuracy for many real-world measurements.
Is it feasible to cascade two TSV994AIPT channels to achieve higher gain without introducing significant distortion or bandwidth limitations?
Cascading two TSV994AIPT stages is possible and commonly done in multi-stage amplifiers. For example, a first stage at gain=10 followed by a second at gain=10 yields 100x total gain with effective bandwidth reduced to approximately GBW / sqrt(100) ≈ 2 MHz. Distortion products fold into lower harmonics but remain acceptable for audio or sensor signals below 100 kHz. Care must be taken to match impedances between stages to prevent loading effects, and overall noise figure degrades slightly due to added stages. This approach is preferable to using a single high-gain stage, which would sacrifice bandwidth and increase susceptibility to parasitic oscillations.
How does the TSV994AIPT’s RoHS compliance and REACH status influence supply chain decisions in global automotive manufacturing?
As a RoHS3 compliant device unaffected by REACH regulations, the TSV994AIPT meets international environmental standards without requiring exemptions or alternative sourcing. This ensures uninterrupted procurement across regions like Europe, North America, and Asia, where regulatory compliance is mandatory for OEM approval. Suppliers can avoid dual-sourcing strategies for green versions, reducing inventory complexity. Furthermore, its ECCN classification (EAR99) indicates no export restrictions, facilitating global distribution. These factors make the component attractive for Tier 1 automotive suppliers managing long product lifecycles exceeding 10 years.
What input protection methods are recommended when interfacing the TSV994AIPT with field-installed sensors subject to voltage transients?
Although the TSV994AIPT has no built-in ESD protection beyond human-body model levels, external clamping using TVS diodes or Zener barriers is advisable for industrial or outdoor installations. Series resistors (1 kΩ) limit fault current, and ferrite beads suppress high-frequency noise before the input stage. Avoid diode clamps that forward-bias into the inputs, as this can saturate the input transistors; instead, use bidirectional TVS devices rated below the supply voltage. Given the 1 pA bias current, even small leakage paths from clamped circuits must be considered in ultra-low-power designs.
How does the TSV994AIPT perform in low-voltage, single-supply configurations compared to split-supply alternatives?
In single-supply designs (e.g., 3.3 V), the TSV994AIPT’s rail-to-rail input and output allow full signal excursion without mid-supply biasing issues. This eliminates the need for virtual ground buffers and simplifies power architecture. Input common-mode range includes ground, enabling direct connection to resistive dividers or sensor bridges referenced to system ground. Output swings within a few millivolts of each rail, preserving dynamic range. Split-supply counterparts often require higher voltages for equivalent headroom, increasing system cost and size. Thus, the TSV994AIPT is particularly efficient in battery-operated or compact embedded systems where space and energy efficiency dominate.
What role does the base product number TSV994 play in legacy system migration or cross-referencing?
The base product number TSV994 identifies a family of variants including the TSV994AIPT, which differs primarily in package and temperature grade. Understanding this hierarchy helps engineers evaluate drop-in replacements during obsolescence planning. For instance, the non-automotive TSV994AITP shares electrical characteristics but lacks AEC-Q100 certification. Cross-referencing within the family ensures functional parity while meeting new regulatory requirements. This modularity supports scalable design reuse across consumer, industrial, and automotive tiers without re-engineering entire schematics.
Can the TSV994AIPT be used in redundant sensor voting logic where three amplifiers monitor the same signal path?
Yes, configuring three TSV994AIPT channels in parallel with matched resistors enables majority-vote redundancy, enhancing fault tolerance in safety-critical systems. Each amplifier compares the signal against thresholds, and an FPGA or microcontroller arbitrates based on consensus. The low offset (100 µV) and tight matching achievable with precision resistors (<0.1%) ensure consistent decision boundaries. However, output impedance differences must be minimized through careful layout, and synchronization delays between channels should be accounted for in timing budgets. This approach leverages the device’s reliability and availability without requiring specialized redundancy ICs.
How does the 14-TSSOP package of the TSV994AIPT affect thermal performance in densely populated PCBs without heatsinking?
The 14-pin TSSOP package has limited exposed thermal pad connectivity, so heat dissipation relies mainly on conduction through copper pours rather than convection. At 820 µA per channel, total power dissipation is low (~20 mW for all four channels at 5 V), resulting in junction temperatures rising only a few degrees above ambient under normal conditions. However, in tightly packed assemblies with poor airflow, cumulative self-heating from nearby high-power devices may elevate local temperatures. Adequate solder fillets and thermal vias under the package improve heat spreading. For most analog signal conditioning tasks, thermal management is not a concern, but it becomes relevant in high-side current sensing with higher supply voltages.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics TSV994AIPT

Product Attribute TSV994AIYPT TSV994IPT TSV994IYPT TSV994AIDT
Part Number TSV994AIYPT TSV994IPT TSV994IYPT TSV994AIDT
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Voltage - Supply Span (Min) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Gain Bandwidth Product - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Voltage - Input Offset - - - -
Current - Input Bias - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Base Product Number - DAC34H84 MAX500 ADS62P42
Slew Rate - - - -
Voltage - Supply Span (Max) - - - -
Amplifier Type - - - -
Current - Output / Channel - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Supply - - - -
Number of Circuits - - - -

TSV994AIPT Datasheet PDF

Download TSV994AIPT pdf datasheets and STMicroelectronics documentation for TSV994AIPT - STMicroelectronics.

Datasheets
TSV99x(A).pdf
PCN Assembly/Origin
New material set 22/Apr/2020.pdf
PCN Packaging
Moisture Barrier Bag 09/May/2016.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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TSV994AIPT Image

TSV994AIPT

STMicroelectronics
32D-TSV994AIPT

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

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