LM224D - Quad General-Purpose Op Amp | Texas Instruments
Référence : LM224D ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
LM224D Présentation
An operational amplifier is an analog signal-processing component that uses high open-loop gain and negative feedback to amplify or process small voltage signals. A quad operational-amplifier package such as the LM224D provides four amplifier sections in one integrated circuit, reducing component count and simplifying PCB layout. Each section can be configured independently as an amplifier, buffer, comparator, or active filter, subject to the device's operating and common-mode limits.
The LM224 family is intended for general-purpose analog designs rather than precision or high-speed signal paths. The verified sources specifically identify wide-temperature-range operation and broad supply-voltage capability, making the device relevant to industrial, instrumentation, and test-equipment applications. The 14-SOIC package is a standard surface-mount package with widely used lead spacing, but the exact pin names and electrical limits must be taken from the manufacturer datasheet before final PCB release.
The LM224D is useful in low-frequency control loops, sensor conditioning, transducer interfaces, current-voltage conversion, and general instrumentation. Because the available verified data does not state the complete output-current capability, input-bias current, gain-bandwidth product, common-mode range, or exact temperature limits, those values are intentionally not inferred here. The design should account for the amplifier's supply voltage, output swing, input offset, noise, and stability requirements.
For PCB implementation, place the device close to the signals it processes and provide adequate bypassing on the supply pins. Decoupling capacitors should be placed at the power-entry points, with short return paths and careful treatment of analog ground versus power ground. Avoid using the LM224D for high-frequency signal chains unless the complete datasheet confirms the required bandwidth and settling behavior.
This page combines the verified manufacturer and distributor identity, package information, application context, and engineering guidance. It intentionally separates confirmed data from parameters requiring datasheet confirmation, helping engineers identify the LM224D quickly while avoiding unsupported assumptions.
Alternatives de remplacement direct pour LM224D — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec LM224D (même facteur de forme et même empreinte) — différant par Package, RoHS Status, Input Offset Voltage, Number of Channels, Product Type.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
LM324DT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$0.0827 / unité
Voir la fiche technique →LM2904D
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$0.1 / unité
Voir la fiche technique →LM2902D
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →LM224D Valeurs maximales et caractéristiques électriques
| Product Type | Standard general-purpose operational amplifier |
| Number of Amplifier Circuits | 4 circuits |
| Boîtier | 14-SOIC |
| Type de montage | Surface mount |
| Statut RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
Guide de configuration des broches du LM224D 14-soic
Configuration des broches du LM224D (boîtier 14-soic). Ce composant analogique comporte des broches d'entrée, de sortie et d'alimentation. Consultez la fiche technique du fabricant pour les configurations des broches d'annulation d'offset, de compensation et d'activation. Idéal pour le conditionnement de signaux et les circuits amplificateurs.
Aucune donnée de brochage détaillée disponible pour LM224D.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
LM224D convient pour 8 applications: Industrial Sensor Signal Conditioning, Low-Frequency Instrumentation Amplifier, Transducer Interface and Current Monitoring, Process Control Analog Front End, Test and Measurement Buffering, Audio and Communication Baseband Conditioning, Power-Supply Feedback and Protection Loops, General Analog Control and Interface Board.
Industrial Sensor Signal Conditioning
The LM224D fits industrial sensor-conditioning interfaces when four analog channels can share a common package and the amplifier’s exact input, output, supply, and temperature limits satisfy the design. Each section can buffer a sensor or form the active element in a gain stage, while short PCB traces help preserve the sensor signal. The verified data confirms four circuits and a 14-SOIC package, but does not provide offset, bias, bandwidth, or common-mode values. Confirm those parameters and use stable reference resistors, input protection, and supply bypassing before deployment.
Recommandé
Low-Frequency Instrumentation Amplifier
LM224D is suitable for general-purpose instrumentation front ends where the four amplifier sections provide input buffering, gain shaping, and active filtering. The device is relevant when the signal bandwidth is low enough for the exact LM224D gain-bandwidth and slew-rate limits, which are not supplied in the verified data. Designers should check offset voltage, input bias current, noise, output swing, and common-mode limits before selecting resistor values. A solid analog ground plane, guarded input routing, and local supply bypass are important for preserving measurement integrity.
Recommandé
Transducer Interface and Current Monitoring
The LM224D can serve as a general-purpose interface for low-frequency transducer outputs or current-sense signals when the source impedance and signal amplitude are compatible with its input characteristics. The four-section package allows multiple sensor channels to be amplified and filtered in a compact 14-SOIC footprint. Exact LM224D bias-current and offset specifications are not available in the verified data, so high-impedance sources require datasheet confirmation. Use input clamping, properly scaled resistors, and a defined return path to prevent amplifier saturation and protect sensitive inputs.
Recommandé
Process Control Analog Front End
LM224D is applicable to process-control loops that require several low-frequency analog functions, such as signal scaling, offset adjustment, filtering, and actuator drive buffering. The confirmed four-circuit 14-SOIC arrangement can reduce package count, while the wide-temperature-range capability emphasized by Texas Instruments makes the family relevant to industrial environments. Before finalizing the design, verify supply range, output swing, slew rate, noise, and stability with the official datasheet. Keep power-supply return current away from precision analog nodes and use separate local decoupling.
Recommandé
Test and Measurement Buffering
The LM224D can be used in general-purpose test and measurement equipment as a buffer, unity-gain follower, or active analog-conditioning element. Four amplifier sections allow a single package to support several probe or fixture channels, provided each channel remains inside the verified device envelope. Because the supplied data does not state input impedance, output drive, noise, bandwidth, or temperature limits, measurement accuracy and bandwidth must be verified directly from the TI datasheet. Use short guarded traces, clean references, and calibrated divider networks.
Recommandé
Audio and Communication Baseband Conditioning
LM224D may be suitable for low-frequency audio or communication baseband conditioning when its exact bandwidth, noise, output swing, and supply specifications meet the signal-chain requirements. The four amplifier sections can be assigned to input buffers, gain blocks, or active filters, but the verified data does not provide the numerical performance needed for a definitive audio recommendation. Check distortion, slew rate, input bias current, and output-current capability in the manufacturer documentation. Keep the analog path away from switching nodes and use regulated, well-bypassed supplies.
Recommandé
Power-Supply Feedback and Protection Loops
LM224D can be evaluated for low-frequency power-supply feedback, soft-start, and protection-loop implementations where the amplifier operates inside the device’s verified supply and common-mode limits. The four-section package provides flexibility for error amplification, current-limit sensing, voltage scaling, and auxiliary monitoring. Exact stability, output-current, and saturation-recovery data are not present in the verified results, so simulation and datasheet review are required. Keep feedback traces short, isolate high-current switching paths, and verify startup behavior across the intended input range.
Recommandé
General Analog Control and Interface Board
LM224D is useful on mixed-signal control boards that need multiple independent amplifier functions beside a microcontroller or communications interface. Examples include reference buffering, actuator command shaping, threshold conditioning, and analog monitoring. The verified manufacturer and distributor records establish the four-circuit 14-SOIC identity, but do not establish precision, automotive, RoHS, or REACH status. Designers should verify lifecycle, environmental, and compliance requirements in the current TI documentation and use careful analog layout to prevent digital crosstalk and supply-noise coupling.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour LM224D — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | LM324D | LM2904D | LM2902D |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Cross-Reference Status | Target LM224D | No verified manufacturer cross-reference supplied | No verified manufacturer cross-reference supplied | No verified manufacturer cross-reference supplied |
Principaux différenciateurs
- Four independent amplifier sections in one 14-SOIC package (vs LM324D)
- Wide-temperature-range positioning from the manufacturer (vs LM2904D)
- General-purpose signal-processing focus (vs NE5532D)
- 14-SOIC package continuity for SOIC-based designs (vs LM358D)
Notes de conception
Confirm the LM224D supply-voltage limits and input/output ranges in the official TI datasheet before selecting resistor references or bypassing values. Place local decoupling capacitors close to the device supply pins and route their return current directly to the power ground reference. Because the verified data does not provide the exact operating range, current capability, or recommended capacitor values, do not substitute generic LM324-family values without checking the actual LM224D documentation.
Route each amplifier’s input and feedback paths as short as practical, especially when the source impedance is high. Keep sensitive analog traces away from switching nodes, power inductors, and high-current return paths. The 14-SOIC footprint should be checked against the official package drawing and land pattern; the verified search result confirms the package name but does not provide pin-level or mechanical dimensions.
Do not assume that LM224D, LM324D, LM2904D, and LM2902D are interchangeable solely because they are related quad general-purpose amplifier families. Check pinout, supply range, input offset, bias current, common-mode range, output swing, bandwidth, noise, temperature grade, and package suffix against the manufacturer datasheets. The supplied cross-reference results do not establish a verified drop-in relationship, so a candidate must be validated before PCB substitution.
For low-frequency instrumentation, use a continuous analog ground reference and minimize loop area around feedback components. If the source impedance is high, evaluate input bias-current error and leakage using the actual LM224D datasheet values. For faster signals, verify gain-bandwidth, slew rate, settling, noise, and capacitive-load stability before relying on the generic general-purpose-amplifier classification.
Estimate power dissipation from the actual supply voltage, output voltage, load current, quiescent current, and ambient temperature after those values are confirmed from the TI datasheet. Keep analog and power-return currents separated so that regulator or digital-supply heating does not create ground gradients across the amplifier. The verified data does not include thermal resistance or maximum output current, so no numerical thermal conclusion should be made from the search snippets alone.
Informations de conformité
The supplied verified search results confirm manufacturer and distributor listings but do not extract RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Verify these items on the current TI product page and applicable manufacturer documentation.
