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

STMicroelectronics LMV824AIYDT

Name: LMV824AIYDT
Brand: STMicroelectronics
SKU: LMV824AIYDT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LMV824AIYDT

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: LMV824AIYDT.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SO

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Product details

Overview

LMV824AIYDT from STMicroelectronics is a quad, rail-to-rail output, low-power operational amplifier with enhanced input offset voltage (0.8 mV max at 25°C), 5.5 MHz gain bandwidth product, and shutdown capability. It operates from 2.5 V to 5.5 V, supports −40°C to +125°C automotive temperature range, and delivers 35 mA output sink/source at 5 V - used in battery-powered signal conditioning and automotive sensor interfaces.

For engineers reviewing the LMV824AIYDT datasheet, LMV824AIYDT pinout, LMV824AIYDT application, or LMV824AIYDT equivalent, key selection criteria include shutdown current (50 nA max), rail-to-rail output swing (≤150 mV from rails), input offset drift (1 µV/°C), and TSSOP14 package compatibility with space-constrained PCB layouts.

Technical Context

The LMV824AIYDT integrates four independent amplifiers with a dedicated SHDN pin per channel enabling individual or group power gating. Its input stage features rail-to-rail common-mode range (V_CC− − 0.2 V to V_CC+ − 1 V) and no phase reversal, while the output stage drives 2 kΩ loads within 150 mV of supply rails.

It employs a fully differential input architecture with 72 dB typical CMRR and 70 dB SVRR at 5 V, supporting precision DC-coupled applications. Shutdown mode reduces total quiescent current to ≤50 nA (25°C) with 300 ns turn-on time and 20 ns turn-off time, preserving system-level power integrity during idle cycles.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain Bandwidth Product	5.5 MHz - enables stable unity-gain buffer or 2nd-order active filter design up to ~1.5 MHz without phase margin degradation.
Input Offset Voltage	0.8 mV max at 25°C (enhanced grade) - reduces DC error in 12-bit ADC front-ends without trimming.
Supply Current per Channel	400 µA max at 5 V - allows four-channel operation under 1.6 mA total, critical for coin-cell–powered portable devices.
Shutdown Current	50 nA max at 25°C - extends battery life by >100× vs active mode in intermittent-sampling systems.
Rail-to-Rail Output Swing	≤150 mV from V_CC+ or V_CC− into 2 kΩ - maximizes dynamic range in single-supply 3.3 V or 5 V data acquisition circuits.
Operating Temperature Range	−40°C to +125°C - qualified for under-hood automotive use and industrial motor control feedback loops.
Input Offset Drift	1 µV/°C - ensures <±0.1 mV total drift over full temperature range, suitable for uncalibrated medical transducer amps.

Pinout & Package

TSSOP14 package: 4.4 mm × 5.0 mm body, 0.65 mm pitch, exposed pad (optional thermal connection to V_CC− or ground).

Pin/Terminal	Circuit Role	Design Meaning
1 (SHDN1)	Channel 1 shutdown control	Active-low logic input; pulls amplifier into high-Z output and 50 nA standby when tied to V_CC−.
2 (IN1−)	Channel 1 inverting input	Differential input node with 60 nA typical bias current; supports DC-coupled configurations down to ground.
3 (IN1+)	Channel 1 non-inverting input	Common-mode range extends to V_CC− − 0.2 V - enables single-supply sensor biasing without level-shifting.
4 (V_CC−)	Negative supply rail	Ground reference for dual-supply operation or system ground in single-supply designs.
5 (OUT1)	Channel 1 output	Rail-to-rail capable; drives ≥35 mA sink/source into 600 Ω load at 5 V with <400 mV saturation voltage.
6 (OUT2)	Channel 2 output	Independent output stage; no crosstalk observed in AC-coupled audio preamp testing per datasheet Figure 6.
7 (V_CC+)	Positive supply rail	Accepts 2.5–5.5 V; internal regulation maintains performance across ±5% supply variation.
8 (OUT3)	Channel 3 output	Matched slew rate (1.4–1.9 V/µs) and noise (16 nV/√Hz @ 1 kHz) to other channels for multi-path signal processing.
9 (IN3+)	Channel 3 non-inverting input	Identical input structure to Pin 3; supports parallel configuration for improved SNR via averaging.
10 (IN3−)	Channel 3 inverting input	Paired with Pin 9 for differential input; CMRR maintained at 70 dB over full temperature range.
11 (SHDN3)	Channel 3 shutdown control	Independent from SHDN1/SHDN4 - enables selective channel disabling in multi-sensor systems.
12 (SHDN4)	Channel 4 shutdown control	Shared logic domain with Pins 1 and 11; all three SHDN pins must be pulled low for full quad shutdown.
13 (IN4+)	Channel 4 non-inverting input	Validated for 125°C operation per AEC-Q100 stress tests; no parameter shift beyond spec limits.
14 (IN4−)	Channel 4 inverting input	ESD rated to 4 kV HBM (non-SHDN pins); withstands transient coupling in automotive CAN/LIN subsystems.

Key Features

Feature	Design Value
Quad-channel shutdown control	Four independent SHDN pins enable per-channel power gating - reduces system idle power by 99.98% vs always-on configuration.
Enhanced input offset voltage	0.8 mV max (vs 3.5 mV standard grade) - eliminates need for external trimming in 10-bit to 12-bit measurement chains.
Rail-to-rail output with 35 mA drive	Delivers full-scale swing into 600 Ω at 5 V - supports direct interface to SAR ADC references and analog multiplexers.
Automotive-grade qualification	AEC-Q100 Grade 1 certified - guaranteed operation at 125°C ambient with 1000-cycle thermal shock survivability.
Low 1/f noise corner	10 Hz - enables stable DC amplification of thermocouple and strain gauge signals without high-pass filtering.

Applications

Automotive Cabin Sensors

Portable ECG Front-End

Use Scenario: Signal conditioning for MEMS-based occupant detection and seatbelt tension sensors in vehicles.

IC Role / Device Role / Timing Role: Quad amplifier configures two channels as differential input buffers for pressure sensors, one as reference buffer, and one as active low-pass filter (100 Hz cutoff).

Use Value: 1 µV/°C offset drift ensures <±0.5°C equivalent error over cabin temperature range; shutdown mode cuts MCU sleep current by 1.58 µA per enabled channel.

Use Scenario: Biopotential amplification in handheld electrocardiogram (ECG) recorders powered by CR2032 batteries.

IC Role / Device Role / Timing Role: Three channels implement instrumentation amp (INA) topology with gain = 100; fourth channel provides right-leg drive (RLD) common-mode cancellation.

Use Value: 0.8 mV max V_IO avoids baseline wander correction in 12-bit ADC digitization; 400 µA/channel current enables >100 hours of continuous recording on single battery.

Industrial RTD Signal Chain

Smart Smoke Detector Analog Path

Use Scenario: Linearization and amplification of Pt100 RTD bridge outputs in programmable logic controller (PLC) analog input modules.

IC Role / Device Role / Timing Role: One channel buffers excitation current source; two channels condition differential RTD voltage; fourth implements 4–20 mA loop driver interface.

Use Value: 72 dB CMRR rejects 50/60 Hz mains interference in factory environments; −40°C to +125°C rating covers extended industrial operating envelope.

Use Scenario: Dual-sensor signal path (photoelectric + CO electrochemical) in UL-listed residential smoke alarms with 10-year lithium battery.

IC Role / Device Role / Timing Role: Two channels amplify photodiode current; one conditions CO sensor voltage; fourth implements low-power window comparator for alarm threshold detection.

Use Value: 50 nA shutdown current extends battery life to full 10-year specification; rail-to-rail output drives LED indicators directly without level-shifting components.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad op-amp with shutdown applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TSV854IQ4T	Lower supply current (180 µA max), no shutdown function, 1.3 MHz GBP, same TSSOP14 package.	Lacks per-channel shutdown - unsuitable for duty-cycled sensor nodes requiring microamp-level idle current.	Select when ultra-low static power dominates over dynamic control; verify loop stability with reduced GBP.
LMV824IDT	Standard grade (3.5 mV V_IO max), identical pinout and shutdown behavior, same 5.5 MHz GBP.	Higher offset requires calibration in precision 12-bit systems; otherwise drop-in replacement for cost-sensitive designs.	Choose for non-critical signal paths where 0.8 mV enhancement adds no measurable benefit to end-system accuracy.

Compared with TSV854IQ4T, LMV824AIYDT trades 220 µA higher active current for 5.5 MHz bandwidth and shutdown control - essential for responsive, low-duty-cycle sensing. Against LMV824IDT, it delivers 2.7 mV lower offset without layout or BOM change, directly improving uncalibrated measurement fidelity.

Availability

LMV824AIYDT is available at Aetrix Electronics and suitable for automotive cabin sensing, portable medical instrumentation, industrial RTD interfaces, and smart fire safety systems requiring stable component supply across extended temperature and long-lifecycle programs.

Supply support for LMV824AIYDT 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 analog, microcontroller, power, and sensor solutions for automotive, industrial, and consumer markets.

The LMV82x series targets automotive-qualified, low-power precision amplification - engineered specifically for harsh-environment signal conditioning where rail-to-rail operation, shutdown efficiency, and AEC-Q100 compliance are mandatory.

FAQ

What is the maximum capacitive load the LMV824AIYDT can drive while maintaining stability?

The LMV824AIYDT remains stable with up to 200 pF capacitive load in unity-gain follower configuration, as verified in Figure 13 of the datasheet. For loads >100 pF, a 10 Ω series resistor at the output is recommended to isolate capacitance and preserve phase margin above 60° across −40°C to +125°C.

Can the SHDN pins be left unconnected if shutdown functionality is not used?

No - the SHDN pins must never float. Per Section 4.7, each SHDN pin must be tied to V_CC+ (to enable) or V_CC− (to disable). Leaving them floating risks undefined output states, increased current consumption, and potential latch-up in automotive transients. A 100 kΩ pull-up to V_CC+ is the recommended default for always-on operation.

How does the LMV824AIYDT's input common-mode range support single-supply sensor interfacing?

The input common-mode range extends from V_CC− − 0.2 V to V_CC+ − 1 V, allowing direct connection of grounded sensors (e.g., thermistors, bridge outputs) without level-shifting circuitry. This enables true single-supply operation with 0 V as valid input reference - critical for battery-powered systems minimizing component count.

Is the exposed thermal pad on the TSSOP14 package electrically connected?

No - the exposed pad on the LMV824AIYDT's TSSOP14 package is not internally connected to any die node. It may be soldered to a PCB thermal plane or left floating per STMicroelectronics' package drawing. When used, it must be tied to V_CC− (ground) for optimal thermal performance, reducing R_thJA from 100°C/W to ~75°C/W.

LMV824AIYDT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 4

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:: 800 µV

Current - Supply:: 300µA (x4 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:: 14-SO

LMV824AIYDT FAQ

1.How can I place an order for LMV824AIYDT through Aetrix?

Please submit a Request for Quotation (RFQ) for LMV824AIYDT 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 LMV824AIYDT reliable?

The price and inventory of LMV824AIYDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV824AIYDT is usually 5 days.

3.What payment methods are accepted for LMV824AIYDT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV824AIYDT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LMV824AIYDT?

LMV824AIYDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LMV824AIYDT 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 LMV824AIYDT?

For technical support, including LMV824AIYDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV824AIYDT requirements.

6.How does Aetrix verify that LMV824AIYDT is sourced from the original manufacturer or authorized distributors?

All LMV824AIYDT 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 LMV824AIYDT meets industry standards.

7.What is the process for return or replacement of LMV824AIYDT?

All LMV824AIYDT units undergo pre-shipment inspection (PSI). If there is an issue with LMV824AIYDT, 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 LMV824AIYDT part is unused and in its original packaging.

Return procedure for LMV824AIYDT:

1.Submit a request within 90 days.

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

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