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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

STMicroelectronics LM2902AWYPT

Name: LM2902AWYPT
Brand: STMicroelectronics
SKU: LM2902AWYPT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LM2902AWYPT

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

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

Datasheet:: LM2902AWYPT.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14TSSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

LM2902AWYPT from STMicroelectronics is a quad operational amplifier optimized for automotive-grade applications, featuring rail-to-rail input (including negative rail), 1.3 MHz gain bandwidth, 100 dB large-signal voltage gain, and operation from 3 V to 30 V single supply or ±1.5 V to ±15 V dual supply. It delivers 375 µA per amplifier supply current and supports industrial temperature range (−40 °C to +125 °C) in TSSOP-14 package.

For engineers reviewing the LM2902AWYPT datasheet, LM2902AWYPT pinout, LM2902AWYPT application, or LM2902AWYPT equivalent, this device is selected for precision sensor signal conditioning, battery-powered instrumentation, and automotive body control modules where low power, wide supply range, and ESD-hardened inputs are critical.

Technical Context

The LM2902AWYPT integrates four independent high-gain op-amps with internal frequency compensation, enabling stable unity-gain operation without external components. Its input stage uses PNP transistors allowing common-mode voltage down to the negative rail, while output stage provides rail-to-rail swing capability under load.

It features 800 V HBM ESD protection on all pins, thermal resistance of 100 °C/W (junction-to-ambient, TSSOP-14), and maintains 2 nA input offset current and 20 nA input bias current at 25 °C - key for low-error DC-coupled amplification in automotive sensor interfaces.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain bandwidth product	1.3 MHz - enables stable closed-loop operation up to ~100 kHz at unity gain for sensor front-end filtering.
Input common-mode range	V_CC− to (V_CC+ − 1.5 V) - supports direct interfacing with ground-referenced sensors and single-supply systems.
Large-signal voltage gain	100 dB (typ.) - ensures <10 µV output error for 1 V input step, critical for precision DC amplification.
Supply current per amplifier	375 µA (typ.) - allows four-channel amplification in battery-powered ECUs with sub-1.5 mA total quiescent draw.
Input offset voltage	2 mV (max, over temp) - meets AEC-Q100 Grade 1 requirements for automotive analog signal chains.
ESD protection	800 V HBM - exceeds IEC 61000-4-2 Level 2 for robustness in vehicle harness environments.
Operating temperature	−40 °C to +125 °C - qualified per AEC-Q100 for under-hood and chassis-mounted control units.

Pinout & Package

TSSOP-14 package: 4.9 mm × 6.4 mm × 1.2 mm body, 0.65 mm pitch, exposed pad not present, RoHS-compliant and ECOPACK® certified.

Pin/Terminal	Circuit Role	Design Meaning
1	Inverting input (Amp 1)	Accepts differential input signal; referenced to V_CC−; supports rail-to-rail common-mode range.
2	Output (Amp 1)	Capable of sourcing/sinking ≥20 mA; drives 2 kΩ loads to within 1.5 V of rails at V_CC+ = 30 V.
3	Non-inverting input (Amp 1)	High-impedance node (20 nA bias); used for reference or feedback in non-inverting configurations.
4	V_CC−	Negative supply rail; serves as reference for all four amplifiers; must be connected to ground or −V_CC.
5	Inverting input (Amp 2)	Independent channel input; electrically isolated from other amps; shares same V_CC− and V_CC+.
6	Output (Amp 2)	Internally compensated; no external capacitor required for stability in unity-gain buffer configuration.
7	Non-inverting input (Amp 2)	Matches Pin 3 performance; supports matched-pair instrumentation topologies with Pins 1/3 and 5/7.
8	V_CC+	Positive supply rail; accepts 3–30 V; supplies all four amplifiers; decoupling capacitor recommended near Pin 8.
9	Output (Amp 3)	Drives active filters or comparators; slew rate 0.24 V/µs ensures <1% distortion at 10 kHz full-scale output.
10	Inverting input (Amp 3)	Used in summing junctions; input offset drift ≤30 µV/°C minimizes thermal error accumulation.
11	Non-inverting input (Amp 3)	Enables high-Z sensor buffering; 100 kΩ+ source impedance compatible due to low input bias current.
12	Inverting input (Amp 4)	Supports differential-to-single-ended conversion; matched with Pin 10 for common-mode rejection >60 dB.
13	Output (Amp 4)	Configurable as comparator output; open-drain behavior not supported - push-pull output only.
14	Non-inverting input (Amp 4)	Used in precision reference buffers; input noise density 40 nV/√Hz limits SNR in 10 Hz–10 kHz band.

Key Features

Feature	Design Value
Rail-to-rail input stage	Common-mode range extends to V_CC−, enabling direct connection to 0 V-referenced thermistors or potentiometers.
Low input bias current	20 nA (typ.) at 25 °C - reduces voltage error across high-value feedback networks (>1 MΩ).
Automotive qualification	AEC-Q100 Grade 1 compliant - validated for 125 °C ambient operation and 1000-cycle thermal shock.
Internal frequency compensation	Stable at unity gain without external compensation - simplifies PCB layout in space-constrained modules.
ESD-hardened inputs	800 V HBM rating - eliminates need for external TVS diodes in CAN/LIN bus interface pre-amplifiers.

Applications

Engine Coolant Temperature Sensing

Body Control Module Voltage Monitoring

Use Scenario: Amplifying low-level output from NTC thermistor in engine bay, operating at −40 °C to +125 °C ambient.

IC Role / Device Role / Timing Role: Precision DC-coupled non-inverting amplifier with 10× gain, rejecting common-mode noise from 12 V battery ripple.

Use Value: Input offset voltage ≤2 mV and drift ≤30 µV/°C ensure coolant temperature accuracy within ±1.5 °C over full automotive temperature range.

Use Scenario: Monitoring 12 V battery voltage and 5 V MCU supply rails in door module, detecting undervoltage/fault conditions.

IC Role / Device Role / Timing Role: Quad comparator replacement using open-loop op-amp configuration with internal hysteresis via feedback resistors.

Use Value: 375 µA per amplifier enables continuous monitoring of four voltage rails with <1.5 mA total quiescent current.

Passive Entry RF Signal Conditioning

Electric Power Steering Torque Sensor Interface

Use Scenario: Amplifying weak 125 kHz LF antenna signals in key fob receiver, located near metal chassis.

IC Role / Device Role / Timing Role: AC-coupled inverting amplifier with 20 dB gain and 100 kΩ input impedance, rejecting capacitive coupling noise.

Use Value: 1.3 MHz GBP and 40 nV/√Hz input noise preserve SNR >60 dB for reliable 125 kHz carrier detection.

Use Scenario: Conditioning Wheatstone bridge output from magnetostrictive torque sensor in EPS motor housing.

IC Role / Device Role / Timing Role: Instrumentation amplifier front-end (using two LM2902AWYPT op-amps per channel) with matched resistor network.

Use Value: 2 nA input offset current and 120 dB channel separation prevent crosstalk between dual redundant torque channels.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad operational amplifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
LM2902WYPT	Higher input offset voltage (9 mV max vs. 4 mV max), identical package, pinout, and temperature range.	Suitable for non-precision functions like voltage followers or comparators where offset error is tolerable.	Select when cost sensitivity outweighs DC accuracy requirements; retains same footprint and qualification level.
TSV914IYDT	Higher GBP (8 MHz), lower noise (14 nV/√Hz), but narrower supply range (2.7–5.5 V) and no AEC-Q100 qualification.	Limited to low-voltage infotainment subsystems; unsuitable for 12 V/24 V automotive power domains.	Choose only for 3.3 V sensor nodes requiring higher speed; not drop-in replaceable due to supply and qualification mismatch.

Compared with LM2902WYPT, the LM2902AWYPT offers tighter DC specs for precision sensing; compared with TSV914IYDT, it trades bandwidth for wide-supply operation and automotive qualification - making it the sole choice for under-hood analog signal chains.

Availability

LM2902AWYPT is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor transmitters, and battery management systems requiring stable component supply across extended temperature and long production lifecycles.

Supply support for LM2902AWYPT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, analog chips, and MEMS sensors for automotive, industrial, and consumer markets.

The LM2902W series belongs to ST's automotive-qualified precision analog portfolio, engineered specifically for robust, low-power signal conditioning in harsh-temperature vehicle subsystems.

FAQ

What is the maximum output current capability of LM2902AWYPT?

The LM2902AWYPT delivers up to 20 mA output sink/source current per amplifier under typical conditions (V_CC+ = 15 V, V_O = 2 V). Absolute maximum ratings allow short-circuit operation to ground indefinitely, but sustained currents above 20 mA may cause thermal derating beyond 125 °C junction temperature. Output voltage swing remains within 1.5 V of each rail at 2 kΩ load.

Does LM2902AWYPT support dual-supply operation?

Yes - LM2902AWYPT operates with split supplies from ±1.5 V to ±15 V. The input common-mode range extends to V_CC−, and output swing reaches within 1.5 V of both rails. Dual-supply use preserves rail-to-rail input functionality and enables bipolar signal handling without level-shifting circuitry.

How does the LM2902AWYPT differ from standard LM2902W variants?

The "A" suffix denotes enhanced input offset voltage performance: LM2902AWYPT guarantees ≤4 mV max over temperature (−40 °C to +125 °C), versus ≤9 mV for LM2902WYPT. All other electrical characteristics, pinout, package, and AEC-Q100 qualification remain identical - making it a direct upgrade for precision-sensitive designs.

Can LM2902AWYPT drive capacitive loads directly?

LM2902AWYPT is stable with ≤100 pF capacitive load at unity gain; phase margin drops below 45° beyond that. For loads >100 pF (e.g., long cables or LCD drivers), a series isolation resistor (≥100 Ω) between output and capacitance is required. Figure 22 in DS3575 confirms ≥25° phase margin at 1000 pF with R_L = 2 kΩ tied to V_CC/2.

LM2902AWYPT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 4

Output Type:: Push-Pull

Slew Rate:: 0.4V/µs

Gain Bandwidth Product:: 1.3 MHz

-3db Bandwidth:: -

Current - Input Bias:: 20 nA

Voltage - Input Offset:: 2 mV

Current - Supply:: 1.5mA (x4 Channels)

Current - Output / Channel:: 40 mA

Voltage - Supply Span (Min):: 3 V

Voltage - Supply Span (Max):: 30 V

Operating Temperature:: -40°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 14-TSSOP

LM2902AWYPT FAQ

1.How can I place an order for LM2902AWYPT through Aetrix?

Please submit a Request for Quotation (RFQ) for LM2902AWYPT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for LM2902AWYPT reliable?

The price and inventory of LM2902AWYPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM2902AWYPT is usually 5 days.

3.What payment methods are accepted for LM2902AWYPT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM2902AWYPT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LM2902AWYPT?

LM2902AWYPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LM2902AWYPT order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for LM2902AWYPT?

For technical support, including LM2902AWYPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM2902AWYPT requirements.

6.How does Aetrix verify that LM2902AWYPT is sourced from the original manufacturer or authorized distributors?

All LM2902AWYPT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM2902AWYPT meets industry standards.

7.What is the process for return or replacement of LM2902AWYPT?

All LM2902AWYPT units undergo pre-shipment inspection (PSI). If there is an issue with LM2902AWYPT, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The LM2902AWYPT part is unused and in its original packaging.

Return procedure for LM2902AWYPT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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