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

STMicroelectronics LMV822IYDT

Name: LMV822IYDT
Brand: STMicroelectronics
SKU: LMV822IYDT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LMV822IYDT

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: LMV822IYDT.pdf

Description:: IC OPAMP GP 2 CIRCUIT 8SOIC

Quantity:: RFQ Add To RFQ list

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Product details

Overview

LMV822IYDT from STMicroelectronics is a dual, rail-to-rail output, low-power operational amplifier with shutdown functionality, designed for precision signal conditioning in space-constrained automotive and portable systems. It delivers 5.5 MHz gain bandwidth, 0.8 mV max input offset voltage (at 25°C), 400 µA max supply current per channel at 5 V, and operates across -40°C to +125°C.

For engineers reviewing the LMV822IYDT datasheet, LMV822IYDT pinout, LMV822IYDT application, or LMV822IYDT equivalent, key selection criteria include its shutdown current (50 nA max), rail-to-rail output swing (150 mV from rails into 2 kΩ), input common-mode range extending to V_CC− − 0.2 V, and AEC-Q100 Grade 1 qualification for automotive use.

Technical Context

The LMV822IYDT integrates two independent high-accuracy op-amps with complementary metal-oxide-semiconductor (CMOS) input stage, enabling low input bias current (60–120 nA typ) and rail-to-rail output swing. Its shutdown control pin (SHDN) disables both amplifiers simultaneously, reducing total supply current to ≤50 nA at 25°C while placing outputs in high-impedance state.

It features a stable unity-gain compensated architecture with 60° phase margin and supports capacitive loads up to 200 pF without oscillation. The device maintains 70–90 dB CMRR and 70–75 dB PSRR over full temperature and supply range, ensuring robust performance in noisy automotive power domains.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain Bandwidth Product	5.5 MHz - Enables stable closed-loop operation up to ~100 kHz with gain ≥55, suitable for active filtering and sensor signal amplification.
Input Offset Voltage (max)	0.8 mV at 25°C - Reduces DC error in precision instrumentation paths without calibration, e.g., medical front-ends or battery voltage monitors.
Supply Current per Channel	400 µA max at 5 V - Supports multi-channel, always-on sensing in battery-powered ECUs with <1 mA total quiescent draw for dual op-amp function.
Shutdown Current	50 nA max at 25°C - Enables microamp-level system sleep modes; critical for automotive body controllers requiring ISO 26262-compliant low-power states.
Rail-to-Rail Output Swing	150 mV from rails into 2 kΩ - Maximizes dynamic range in single-supply 3.3 V or 5 V systems, preserving >90% of full-scale ADC input range.
Operating Temperature Range	-40°C to +125°C - Validated for under-hood automotive locations and industrial edge sensors where ambient thermal stress exceeds consumer-grade limits.
Common-Mode Rejection Ratio	70 dB min (−40°C to +125°C) - Mitigates noise coupling from shared ground returns in motor drive feedback loops or CAN transceiver bias networks.

Pinout & Package

LMV822IYDT is housed in an SO-8 (Small Outline Integrated Circuit, 8-pin) package with standard dual op-amp pinout and exposed pad for thermal enhancement. Pin 1 is marked by a dot or notch; the exposed pad is electrically connected to V_CC− (GND) and must be soldered for optimal thermal performance.

Pin/Terminal	Circuit Role	Design Meaning
1	Inverting Input (Channel A)	Accepts negative feedback or signal inversion; common-mode range extends to V_CC− − 0.2 V, enabling ground-referenced sensor inputs.
2	Non-Inverting Input (Channel A)	Accepts reference or sensor signal; matched input impedance minimizes offset drift due to bias current mismatch.
3	Output (Channel A)	Delivers rail-to-rail swing; high-impedance during shutdown-prevents loading of downstream circuitry when disabled.
4	V_CC− (GND)	Power return and thermal pad connection point; requires low-inductance PCB tie to system ground plane.
5	Shutdown (SHDN)	Active-low enable: pulled high (≥V_CC− + 0.5 V) for operation; pulled low (≤0.5 V) for shutdown; must not float.
6	Non-Inverting Input (Channel B)	Independent input for second signal path; identical electrical specs to Channel A for matched dual-channel designs.
7	Inverting Input (Channel B)	Supports differential or inverting configurations; pin-compatible with industry-standard dual op-amp footprints.
8	V_CC+	Positive supply rail (2.5–5.5 V); decoupling capacitor (10 nF) required within 2 mm for stability and EMI suppression.

Key Features

Feature	Design Value
Automotive qualification	AEC-Q100 Grade 1 qualified (−40°C to +125°C), enabling direct use in engine control modules and ADAS sensor interfaces without derating.
Shutdown mode	Reduces total supply current to ≤50 nA and places both outputs in high-Z state-enables selective channel disabling in multi-sensor systems.
Rail-to-rail output	Swings within 150 mV of V_CC+ and V_CC− into 2 kΩ, maximizing usable signal range in 3.3 V microcontroller ADC applications.
Low input offset drift	1 µV/°C max over −40°C to +125°C-limits thermal-induced error to <120 µV across full operating range, critical for thermistor or strain gauge amplification.
High ESD tolerance	4 kV HBM (non-SHDN pins), 3.5 kV HBM (SHDN pin)-reduces need for external protection in automotive harness-connected modules.

Applications

Automotive Cabin Temperature Sensing

Portable ECG Front-End

Use Scenario: Amplifying low-level thermistor voltage in HVAC control units exposed to under-dash thermal cycling.

IC Role / Device Role / Timing Role: Dual-channel precision buffer and gain stage; Channel A conditions thermistor bridge, Channel B buffers reference voltage.

Use Value: 0.8 mV offset and 1 µV/°C drift ensure ±0.3°C measurement accuracy over −40°C to +85°C cabin range without software calibration.

Use Scenario: Biopotential signal amplification in battery-powered wearable ECG monitors with strict power budget.

IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer and high-pass filter driver with shutdown during idle periods.

Use Value: 400 µA/channel quiescent current and 50 nA shutdown enable >7-day battery life on coin cell; rail-to-rail output drives 12-bit SAR ADC directly.

Industrial Battery Voltage Monitor

Automotive LIN Bus Signal Conditioning

Use Scenario: Monitoring 12 V lead-acid battery health in telematics gateways with wide input voltage variation.

IC Role / Device Role / Timing Role: Dual op-amp configured as precision resistive divider follower and comparator hysteresis generator.

Use Value: 70 dB CMRR rejects alternator ripple noise; extended −40°C to +125°C rating ensures reliability in engine bay mounting locations.

Use Scenario: Biasing and level-shifting LIN transceiver receive path in door module ECUs with mixed 5 V/12 V supplies.

IC Role / Device Role / Timing Role: Dual op-amp used for LIN bus voltage translation (12 V → 3.3 V) and dominant-state detection threshold generation.

Use Value: Shutdown capability allows LIN node to enter ultra-low-power sleep (<1 µA system current) while maintaining wake-up readiness via bus activity.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual, rail-to-rail, low-power op-amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TSV852IST	Lower quiescent current (180 µA max per channel), no shutdown pin, same SO-8 footprint.	Lacks shutdown control; suited for always-on, ultra-low-power sensor nodes where continuous operation is required.	Select when minimizing average current is prioritized over dynamic power gating and shutdown sequencing is unnecessary.
LMV822IDT	Same electrical specs but non-automotive grade (−40°C to +105°C), lower ESD rating (2 kV HBM), no AEC-Q100 certification.	Approved for commercial/industrial use only; unsuitable for safety-critical or under-hood automotive deployment.	Select only for cost-sensitive non-automotive applications where extended temperature and automotive qualification are not required.

Compared with TSV852IST and LMV822IDT, LMV822IYDT uniquely combines AEC-Q100 Grade 1 qualification, integrated shutdown, and 5.5 MHz bandwidth-making it the only option among the three validated for automotive signal chains requiring both functional safety compliance and dynamic power management.

Availability

LMV822IYDT is available at Aetrix Electronics and suitable for automotive signal conditioning, portable medical devices, and industrial battery monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LMV822IYDT 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 specializing in automotive, industrial, and power management ICs, with manufacturing aligned to IATF 16949 and environmental standards.

The LMV822IYDT belongs to ST's LMV82x series of precision, low-power op-amps engineered specifically for automotive signal acquisition and battery-constrained industrial sensing applications.

FAQ

What is the maximum capacitive load the LMV822IYDT can drive without instability?

The LMV822IYDT is unity-gain stable with capacitive loads up to 200 pF, as verified in Figure 10 and Figure 11 of the datasheet. For loads exceeding 100 pF, a small series resistor (10–50 Ω) between output and load is recommended to maintain ≥45° phase margin across temperature and supply variations.

Can the SHDN pin be driven directly by a 3.3 V GPIO in a 5 V system?

Yes-the SHDN pin logic thresholds are referenced to V_CC−: VIH ≥ V_CC− + 0.5 V and VIL ≤ 0.5 V. In a 5 V system, a 3.3 V GPIO meets VIH (≥0.5 V) with margin and draws only 10 pA input current, eliminating need for level-shifting.

Is the exposed pad on the SO-8 package electrically connected?

Yes-the exposed pad is internally tied to V_CC− (pin 4) and must be soldered to a PCB thermal pad connected to the system ground plane. This reduces thermal resistance by ~30% (R_thJA = 125°C/W vs. 175°C/W without pad connection) and improves long-term reliability under thermal cycling.

How does the LMV822IYDT perform in single-supply 3.3 V applications with rail-to-rail input?

While the LMV822IYDT supports rail-to-rail *output*, its input common-mode range extends only to V_CC− − 0.2 V and V_CC+ − 1 V-not full rail-to-rail input. At 3.3 V supply, inputs operate from −0.2 V to +2.3 V, requiring level-shifting for signals near V_CC+.

LMV822IYDT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 2

Output Type:: Rail-to-Rail

Slew Rate:: 1.9V/µs

Gain Bandwidth Product:: 5.5 MHz

-3db Bandwidth:: -

Current - Input Bias:: 60 nA

Voltage - Input Offset:: 3.5 mV

Current - Supply:: 300µA (x2 Channels)

Current - Output / Channel:: 70 mA

Voltage - Supply Span (Min):: 2.5 V

Voltage - Supply Span (Max):: 5.5 V

Operating Temperature:: -40°C ~ 125°C

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOIC

LMV822IYDT FAQ

1.How can I place an order for LMV822IYDT through Aetrix?

Please submit a Request for Quotation (RFQ) for LMV822IYDT 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 LMV822IYDT reliable?

The price and inventory of LMV822IYDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV822IYDT is usually 5 days.

3.What payment methods are accepted for LMV822IYDT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV822IYDT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LMV822IYDT?

LMV822IYDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LMV822IYDT 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 LMV822IYDT?

For technical support, including LMV822IYDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV822IYDT requirements.

6.How does Aetrix verify that LMV822IYDT is sourced from the original manufacturer or authorized distributors?

All LMV822IYDT 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 LMV822IYDT meets industry standards.

7.What is the process for return or replacement of LMV822IYDT?

All LMV822IYDT units undergo pre-shipment inspection (PSI). If there is an issue with LMV822IYDT, 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 LMV822IYDT part is unused and in its original packaging.

Return procedure for LMV822IYDT:

1.Submit a request within 90 days.

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

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