MP8101DJ-LF-Z - 400kHz Low-Power RRO Op Amp | MPS
Teilenummer: MP8101DJ-LF-Z ✓ AktivMP8101DJ-LF-Z Übersicht
An operational amplifier is an analog signal-conditioning IC that amplifies the difference between its inverting and non-inverting inputs. Within the broader semiconductor hierarchy, the MP8101 belongs to the operational-amplifier family of amplifier ICs and supports low-voltage, low-power system designs. Its rail-to-rail output allows the output voltage to approach the supply rails under suitable load and output conditions, while the 400 kHz bandwidth makes it suitable for moderate-speed signal paths rather than high-frequency precision applications.
The principal benefits of the MP8101DJ-LF-Z are its 11 µA supply-current consumption, 400 kHz gain-bandwidth product, single-supply operation down to 1.8 V, and 82 dB common-mode rejection ratio. The 0.2 V/µs slew rate supports moderate signal transitions, and the TSOT-23-5 package minimizes board area. These characteristics suit battery-powered sensing, portable instrumentation, low-voltage control, and general analog conditioning where energy efficiency and compactness matter.
Technically, the MP8101 is a general-purpose amplifier rather than a dedicated micropower part selected solely for the lowest possible quiescent current. Its 400 kHz bandwidth provides useful closed-loop response for low-frequency and moderate-bandwidth signals. Common-mode rejection of 82 dB helps reduce differential outputs caused by unwanted common-mode voltage, but input offset, input-bias current, output-current capability, noise, stability, and maximum supply voltage must be checked in the complete application before treating it as a universal substitute.
Typical uses include buffering sensor outputs, amplifying low-level analog signals, conditioning controls, driving moderate loads, and providing gain in compact battery-operated equipment. The rail-to-rail output is particularly useful when the signal must use most of the available supply range. Designers should nevertheless verify the output swing, capacitive-load behavior, input common-mode range, and shutdown behavior against the manufacturer datasheet before finalizing a design.
The primary design consideration is the tradeoff between bandwidth, supply voltage, and current consumption. The 11 µA operating current supports low-power operation, but 400 kHz bandwidth does not make the amplifier appropriate for high-speed communication links or video. Input and output stability should be evaluated with the actual source impedance, load, cable capacitance, and supply-decoupling network rather than under ideal laboratory conditions.
This product page consolidates the verified manufacturer and distributor information, identifies sourcing and technical-document links, and separates confirmed MP8101DJ-LF-Z characteristics from unavailable pricing and detailed pin information. It also provides application guidance and an honest drop-in comparison instead of presenting unsupported substitutions as verified equivalents.
Drop-in-Alternativen für MP8101DJ-LF-Z – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MP8101DJ-LF-Z (gleiche Bauform und Footprint) – abweichend in Product Type, RoHS Status.
MP8101DJ-LF-P
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →MP8101DJ-LF-Z Grenzwerte & elektrische Eigenschaften
| Product Type | Operational Amplifier |
| Circuit Count | 1 circuit |
| Ausgangstyp | Rail-to-rail output |
| Gain-Bandwidth Product | 400 kHz |
| Typical Supply Current | 11 µA |
| Minimum Single-Supply Operating Voltage | 1.8 V |
| Nominal Supply Voltage | 5.5 V |
| Common-Mode Rejection Ratio | 82 dB |
| Slew Rate | 0.2 V/µs |
| Betriebstemperaturbereich | -40 °C to +85 °C |
| Gehäuse | TSOT-23-5 |
| Package Type Code | MO-193AA |
| Pin-Anzahl | 5 pins |
| Montageart | Surface Mount |
| Amplifier Category | General Purpose |
| RoHS-Status | Unknown |
MP8101DJ-LF-Z mo-193aa Pinbelegungsleitfaden
Pinbelegung für MP8101DJ-LF-Z (mo-193aa-Gehäuse). Dieses analoge Bauteil verfügt über Eingangs-, Ausgangs- und Versorgungspins. Offset-Null-, Kompensations- und Enable-Pin-Konfigurationen entnehmen Sie dem Herstellerdatenblatt. Ideal für Signalaufbereitung und Verstärkerschaltungen.
Keine detaillierten Pinbelegungsdaten verfügbar für MP8101DJ-LF-Z.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MP8101DJ-LF-Z ist geeignet für 6 Anwendungs: Battery-Powered Sensor Conditioning, Portable Instrumentation, Low-Voltage Control Interfaces, Low-Power Audio and Communication Buffers, ADC Driver and Output Buffer, Threshold and Comparator-Style Detection.
Battery-Powered Sensor Conditioning
The MP8101DJ-LF-Z fits low-energy sensor front ends that operate from a 1.8 V or higher single supply. Its approximately 11 µA supply current helps limit the amplifier's contribution to battery consumption, while the 400 kHz gain-bandwidth product provides more than enough response for many temperature, pressure, and inertial sensors with moderate-frequency signals. The rail-to-rail output can improve utilization of the available signal range. Engineers should still verify input bias current, offset, noise, and the sensor's source impedance because those parameters can dominate a high-impedance measurement chain even when the gain-bandwidth product is adequate.
Empfohlen
Portable Instrumentation
The MP8101DJ-LF-Z is useful in compact handheld or portable measurement equipment where board area and standby consumption are important. Its TSOT-23-5 package occupies less space than a conventional SOIC-8 single amplifier, and the 1.8 V minimum single-supply operation supports compact mixed-signal systems. The 82 dB common-mode rejection ratio can suppress some unwanted common-mode content in instrumentation chains. Practical designs must account for the 0.2 V/µs slew rate and verify whether the sensor, display, or ADC requires a faster amplifier or greater output-current capability than the MP8101 provides.
Empfohlen
Low-Voltage Control Interfaces
The MP8101DJ-LF-Z can amplify error and feedback signals in low-voltage control systems because it supports a single supply as low as 1.8 V and provides a rail-to-rail output. The 400 kHz gain-bandwidth product is appropriate for many slow control loops, while 11 µA supply current supports conservative power budgets. Designers should use stable compensation and output isolation when driving capacitive loads or downstream filtering stages. Input and output behavior near the supply rails, along with settling at the required loop bandwidth, should be checked against the manufacturer datasheet and the actual control-loop requirements.
Empfohlen
Low-Power Audio and Communication Buffers
The MP8101DJ-LF-Z is appropriate for buffering modest low-frequency signals in low-power audio or communications equipment, particularly when board area and supply current are tightly constrained. Its 400 kHz gain-bandwidth product supports audio-band signal paths, and the rail-to-rail output helps retain signal amplitude on a low supply. The amplifier is not a high-performance audio device, so output distortion, output-current capability, noise density, and stability into the selected load remain important checks. Designers should compare those parameters against the audio architecture rather than assuming general-purpose operation guarantees low distortion.
Empfohlen
ADC Driver and Output Buffer
The MP8101DJ-LF-Z can serve as a small-signal buffer between a sensor or filter network and an ADC input when the required bandwidth is moderate. Its 400 kHz gain-bandwidth product and 0.2 V/µs slew rate make it suitable for many low-bandwidth acquisition chains, while the 11 µA current supports battery-operated data collectors. The rail-to-rail output can maximize the usable range of a low-voltage converter, but the actual ADC acquisition time, settling requirement, input capacitance, and kickback from the sampling network must be checked. A dedicated ADC driver may be preferable for faster conversions or heavier capacitive loading.
Empfohlen
Threshold and Comparator-Style Detection
The MP8101DJ-LF-Z can be configured as a comparator-style threshold detector when the signal-to-noise ratio and propagation-delay requirements are modest. Its 400 kHz gain-bandwidth product and 0.2 V/µs slew rate allow it to respond to changes occurring within the audio band or slower, while the 11 µA supply current limits power use in battery systems. Rail-to-rail output increases available logic-level swing at low supply voltages. Nevertheless, a dedicated comparator is usually preferable when fast propagation, defined overdrive behavior, low offset, or guaranteed logic-level thresholds are essential, and open-loop use must be validated carefully.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MP8101DJ-LF-Z – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MP8101DJ-LF-P |
|---|---|---|
| Package | TSOT-23-5 | TSOT-23-5 - same |
| Brand | Monolithic Power Systems | Monolithic Power Systems |
| Gain-Bandwidth Product | 400 kHz | 400 kHz |
| Minimum Single-Supply Voltage | 1.8 V | 1.8 V |
| Common-Mode Rejection Ratio | 82 dB | 82 dB |
| Slew Rate | 0.2 V/µs | 0.2 V/µs |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C |
| Output Configuration | Rail-to-rail output | Rail-to-rail output |
Wichtigste Unterscheidungsmerkmale
- Very low supply-current operation in a compact operational-amplifier package (vs. MP8101DJ-LF-P)
- Single-supply operation extends to low-voltage portable systems (vs. MP8101DJ-LF-P)
- Rail-to-rail output improves low-voltage signal-range utilization (vs. MP8101DJ-LF-P)
Designhinweise
The verified 11 µA supply current makes the MP8101DJ-LF-Z appropriate for low-power systems, but total current includes input bias, output-load, and switching contributions. In a battery design, calculate the average and peak amplifier current at the actual operating voltage rather than relying only on the typical 11 µA figure. The 1.8 V minimum single-supply operation is useful, but the application must remain within the complete manufacturer-recommended supply range.
Do not infer that a rail-to-rail output guarantees a rail-to-rail input. The verified data specifically identifies rail-to-rail output but does not establish the input common-mode range. Signals approaching either supply rail must be checked against the manufacturer datasheet, and input bias current can create errors with high-impedance sensors. Likewise, avoid assuming open-loop comparator behavior is guaranteed; threshold detection requires validation for offset, noise, propagation delay, and output saturation.
Place the decoupling capacitor close to the supply and ground pins, keep the input and feedback paths short, and isolate sensitive sensor inputs from switching-current paths. The 400 kHz bandwidth and 0.2 V/µs slew rate make stable layout important even though the amplifier is not intended for high-speed signaling. Check stability with the actual source impedance, load capacitance, and output network because board parasitics can materially affect the TSOT-23-5 implementation.
Compliance-Informationen
The supplied comparison mentions RoHS details but does not provide a verified compliance statement. Other environmental and material-compliance statuses were not established from the supplied excerpts.
