LM759MH - Military 8-Pin Power Op Amp | Texas Instruments
N.º de pieza: LM759MH ✗ Fin de vida| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
LM759MH Descripción general
An operational amplifier is a high-gain analog semiconductor that compares two input voltages and drives its output toward the condition that minimizes their difference. In the broader electronics hierarchy, an operational amplifier belongs to analog ICs, amplifiers, and signal-conditioning components. Depending on compensation, stability, supply, output-stage, and package requirements, an LM759MH circuit may support inverting, non-inverting, comparator-like, or feedback-controlled amplifier configurations.
The LM759 designation identifies a historical power operational-amplifier family from National Semiconductor, now associated with Texas Instruments. Verified listings describe LM759MH as a military-temperature part. One distributor record also identifies the package as an 8 metal can package and classifies the terminal finish as tin lead, making exact procurement, assembly, and soldering-process review important before use in a new design.
Typical power-amplifier uses include motor or actuator drive, audio output stages, laboratory buffer circuits, and industrial control blocks where source-level op amps may lack adequate output-current capability. These applications cannot be qualified without the missing electrical specifications, especially supply voltage, output-current limit, output swing, slew rate, gain-bandwidth product, offset voltage, bias current, noise, and thermal limits.
Engineering use of LM759MH should begin with the manufacturer or archived National Semiconductor datasheet, followed by explicit stability and load testing. Confirm the pinout, compensation method, common-mode limits, output drive, maximum supply, temperature grade, and thermal behavior before laying out a board. Do not substitute a generic eight-pin amplifier solely by package count; topology, voltage ratings, output-stage architecture, and compensation can be incompatible.
This page consolidates the verified LM759MH package, temperature-grade, sourcing, and datasheet information with explicit engineering cautions. Because the supplied search evidence does not include numerical performance tables or qualified replacement MPNs, unknown technical values are marked rather than guessed, preserving traceability for military, industrial, and legacy-system evaluation.
Alternativas directas para LM759MH — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
No hay alternativas directas disponibles para este producto.
Solicitar alternativasLM759MH Valores máximos y características eléctricas
| Product Type | Operational amplifier |
| Product Description | Power operational amplifier |
| Number of Amplifiers | 1 amplifier |
| Temperature Grade | Military |
| Number of Terminals | 8 terminals |
| Package Shape | Round |
| Terminal Form | Wire |
| Terminal Finish | Tin lead |
| Encapsulado | 8-terminal metal can |
Guía de configuración de pines de LM759MH 8-terminal metal can
Configuración de pines para LM759MH (encapsulado 8-terminal metal can). Este componente analógico presenta pines de entrada, salida y alimentación. Consulte la hoja de datos del fabricante para conocer las configuraciones de los pines de ajuste de offset, compensación y habilitación. Ideal para circuitos de acondicionamiento de señal y amplificadores.
No hay datos detallados de patillaje disponibles para LM759MH.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
LM759MH es adecuado para 6 aplicacións: Legacy Military Control Systems, High-Current Analog Signal Buffer, Laboratory Instrumentation Amplifier, Audio Power Preamp, Industrial Actuator Drive, Servo and Feedback Amplifier.
Legacy Military Control Systems
LM759MH is a candidate for a legacy military control-signal path because verified distributor information identifies it as a military-temperature power operational amplifier in an eight-terminal wire-lead metal can. The device should be used only after the complete datasheet confirms supply limits, common-mode range, output swing, drive capability, and temperature endpoints for the required ambient and enclosure conditions. Preserve the original footprint, pinout, compensation method, and test configuration during repair work. The tin-lead terminal finish also requires an approved assembly process, and procurement should include traceability documentation. The supplied evidence does not justify using the part in a new safety-critical design without qualification review.
High-Current Analog Signal Buffer
The power-operational-amplifier designation makes LM759MH relevant where an ordinary source-level amplifier may not drive the intended load, but the exact suitability depends on missing electrical ratings. Confirm continuous and peak output current, output impedance, closed-loop stability, output-voltage headroom, and thermal dissipation at the planned supply voltage. In a practical buffer or inverting stage, feedback components should be selected only after checking gain-bandwidth and slew-rate limits. Load transients, capacitive loading, and source resistance can move the amplifier outside the conditions assumed in legacy designs. Use the original application circuit as the primary reference whenever repairing an existing equipment board.
Laboratory Instrumentation Amplifier
LM759MH can be investigated for a laboratory buffer or controlled drive stage because it is listed as a power operational amplifier. Such use requires explicit verification of input noise, offset voltage, input bias current, drift, bandwidth, and common-mode limits, none of which are supplied in the verified excerpts. Its eight-terminal metal-can construction may simplify repair of vintage analog instruments, but it is not a modern surface-mount procurement choice. Preserve signal-ground topology and compensation details from the original circuit, and account for the eight-lead package during calibration. Validate output settling and noise before relying on measurements that depend on amplifier performance.
Audio Power Preamp
LM759MH may be evaluated as an audio voltage-amplifier or preamplifier stage in legacy equipment, but safe operation cannot be inferred solely from the word power. Obtain the datasheet limits for supply voltage, output swing, gain, bandwidth, slew rate, noise, and load stability. In an audio path, check whether the original circuit uses the amplifier open-loop, with external compensation, or inside a feedback network, because those choices materially affect stability and distortion. The round eight-terminal metal-can package also demands careful lead forming and soldering. Validate frequency response, clipping behavior, thermal rise, and output impedance in the actual speaker or line-load model before production use.
Industrial Actuator Drive
LM759MH is relevant to legacy industrial actuator interfaces where an operational amplifier must command a higher-current driver or buffer than a conventional small-signal device. Direct motor drive cannot be approved from the supplied data because output current, inductive-load protection, thermal limits, and supply voltage are not listed. Use it only in a control-signal or feedback role unless the complete datasheet proves adequate drive capability. Keep high-current and precision-signal returns separated, include suitable protection, and test settling under the actual load. The military-grade designation concerns temperature class rather than a complete industrial certification package.
Servo and Feedback Amplifier
LM759MH can be considered for a legacy servo-loop amplifier when its verified output-drive and dynamic-response parameters match the position or current-feedback network. Since the supplied records omit bandwidth, slew rate, saturation behavior, and output-current specifications, engineers must recover those values from the LM759MH datasheet before tuning loop compensation. The eight-terminal can likely corresponds to a specific operational-amplifier configuration, but pin functions are not available in the excerpts and must not be guessed. Preserve the original compensation components and prototype changes incrementally. Verify offset, drift, noise, and temperature behavior across the full control range before production deployment.
Datos de referencia de ingeniería para LM759MH — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Diferenciadores clave
- Verified military temperature grade (frente a LM759)
- Eight-terminal round metal-can construction (frente a LM759 package variants)
- Dedicated legacy sourcing records (frente a Unlisted generic alternatives)
Notas de diseño
Do not treat an eight-terminal amplifier as pin-compatible with an eight-pin DIP, SOIC, or another metal-can device solely from terminal count. The verified LM759MH record specifies an eight-terminal round wire-lead metal can, but individual pin names are absent. Recover the exact pinout from the LM759MH datasheet and compare every power, input, output, and compensation connection before installation. A replacement is not a true drop-in option unless both its footprint and electrical behavior are verified.
Determine the required supply voltage and output-current demand from the original circuit before energizing LM759MH. The verified web results identify a power operational amplifier but provide no numerical electrical table, so headroom, output saturation, current limit, and thermal limits cannot be inferred. Start from the documented application circuit, include suitable current or load protection where required, and measure output behavior under the actual load. Do not derive safe supply or current limits from generic LM759-family memory.
Preserve the original grounding, feedback, and compensation topology when repairing a board containing LM759MH. Loop stability can depend on load capacitance, source resistance, lead length, and external capacitors, especially in a wire-lead metal-can package. After confirming the pinout, compare the installed device pin-for-pin and inspect for damaged leads or contamination. If changing the circuit, validate stability and output settling with the final load rather than relying only on an unloaded bench test.
Use the manufacturer datasheet to calculate dissipation from the actual supply, output voltage, and load current before operating near the military temperature grade. The supplied excerpts contain no thermal resistance, power rating, or operating-temperature endpoints. Keep heat-sink and enclosure decisions tied to verified maximum junction and ambient conditions, and measure case temperature in the assembled equipment. For repair work, retain the original heat-transfer hardware because removing it can invalidate the original thermal margin.
Información de cumplimiento
The verified listing specifies a tin-lead terminal finish, supporting lead_free=no. No verified RoHS, REACH, halogen-free, or conflict-minerals evidence was supplied. Military temperature grade is a temperature classification, not an AEC-Q100 automotive qualification.
