MP8103DK-LF-Z - Dual 600kHz Low-Power Op Amp | MPS
MPN： MP8103DK-LF-Z ✓ 啟用中MP8103DK-LF-Z 概覽
An operational amplifier is an analog integrated circuit that uses high-gain differential feedback to amplify or buffer an input signal. The MP8103 belongs to the operational-amplifier family within the broader linear-amplifier and signal-conditioning hierarchy. Its dual-channel configuration reduces board area by combining two amplifiers in one package, while its low-power operation is useful when the available supply current is limited.
The main differentiators are the 600 kHz gain-bandwidth product, low 1.8 V minimum supply voltage, approximately 14 microamp supply current, and rail-to-rail output capability. These characteristics support portable sensor interfaces, battery-powered measurement systems, low-voltage analog signal chains, and general-purpose amplification where low power consumption and compactness are more important than high bandwidth.
The MP8103 is identified by distributor listings as a dual rail-to-rail 8-MSOP amplifier. The available verified material describes the MP8103 family as a single-supply, dual rail-to-rail-output operational amplifier. Because the supplied web data does not include the full manufacturer datasheet parameter table, detailed specifications such as input common-mode range, output swing, slew rate, noise density, offset voltage, and temperature range are marked as requiring verification before final design release.
Typical implementations include two-channel sensor conditioning, low-voltage battery monitoring, portable medical or industrial measurement modules, and embedded analog interfaces. The 1.8 V operating capability is especially valuable in systems powered from a single lithium-cell or low-voltage regulated rail, while the dual channel count reduces component count compared with two separate single amplifiers.
For layout, keep input and feedback paths short, place the device close to the bypass capacitor, and route high-impedance input nodes away from switching and digital return currents. Confirm the actual input common-mode and output swing ranges from the manufacturer datasheet before using the amplifier near the supply rails. This page consolidates the verified distributor identity, package information, low-power characteristics, sourcing links, and engineering selection guidance for MP8103DK-LF-Z.
直接替換替代品，適用於 MP8103DK-LF-Z — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MP8103DK-LF-Z （相同外形與佔位） — 差異在於 Gain-Bandwidth Product, Output Type.
MP8103DK-LF
✅ 直接替換聯絡詢價
查看資料表 →MP8103DK-LF-Z 最大額定值與電氣特性
| Amplifier Type | Operational amplifier |
| Number of Channels | 2 |
| 拓撲 | Single supply |
| 輸出類型 | Rail-to-rail |
| Gain-Bandwidth Product | 600 kHz |
| Minimum Supply Voltage | 1.8 V |
| 供應電流 | Approximately 14 microamps |
| 封裝 | 8-MSOP |
| 安裝類型 | Surface mount |
| Application Category | General-purpose amplifier |
| Product Family | MP8103 |
| 腳位數 | 8 pins |
MP8103DK-LF-Z 8-msop 腳位配置指南
MP8103DK-LF-Z（8-msop 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： MP8103DK-LF-Z.
請參閱 資料表 以查看完整腳位配置。
典型應用
MP8103DK-LF-Z 適用於 6 應用s: Low-Voltage Sensor Signal Conditioning, Portable Battery-Powered Instrumentation, Industrial Control and Data Acquisition, Low-Voltage Audio and Communication Buffers, Medical and Diagnostic Signal Paths, General-Purpose Dual Amplifier Stage.
Low-Voltage Sensor Signal Conditioning
The MP8103DK-LF-Z fits two-channel sensor conditioning when the system operates from a low-voltage rail. Its 1.8 V minimum supply and approximately 14 microamps of supply current help limit power use in battery-operated or energy-limited instrumentation. The dual configuration can amplify or buffer two related sensor outputs without using two separate amplifier packages. Its 600 kHz gain-bandwidth product provides useful bandwidth for moderate-speed sensor signals. The design should still verify the input common-mode range and output swing against the actual sensor output before selecting resistor gain and bias networks.
推薦
Portable Battery-Powered Instrumentation
The MP8103DK-LF-Z is appropriate for portable battery-powered measurement equipment where every microamp affects operating time. Operation from 1.8 V supports systems using a single-cell or low-voltage regulated supply, while approximately 14 microamps of supply current keeps the amplifier contribution relatively low. Two integrated channels reduce board area in wearable, handheld, or compact industrial test products. Designers should use low-leakage resistors and confirm the amplifier's exact input bias-current, offset-voltage, and temperature limits from the manufacturer datasheet.
推薦
Industrial Control and Data Acquisition
The MP8103DK-LF-Z can support low-voltage analog channels in industrial control and data-acquisition systems. A dual amplifier provides two signal-conditioning paths in one 8-MSOP package, and the 600 kHz gain-bandwidth product is suitable for many slowly varying or moderate-bandwidth control signals. Single-supply operation simplifies rail distribution in compact controller boards. Confirm the industrial temperature range, common-mode range, and output-drive capability before production use, because those verified values were not included in the supplied search data.
推薦
Low-Voltage Audio and Communication Buffers
The MP8103DK-LF-Z can serve as a low-voltage buffer or modest-gain stage in portable audio and communication equipment. Its rail-to-rail output allows the amplifier to use much of a 1.8 V supply, which is beneficial when signal swing is limited. The approximately 14 microamps supply current helps preserve battery life, and the 600 kHz gain-bandwidth product covers a broader range of signal frequencies than a very slow micropower amplifier. Audio and RF-adjacent designs must verify output distortion, noise density, stability, and maximum capacitive load before deployment.
推薦
Medical and Diagnostic Signal Paths
The MP8103DK-LF-Z may be evaluated for low-level diagnostic signal paths where low supply voltage and low amplifier supply current are useful. Its two channels can process complementary or sequential physiological signals in a compact instrument, while the 600 kHz gain-bandwidth product accommodates many non-ultrasonic diagnostic bandwidths. Medical use requires careful verification of input offset, noise, leakage, common-mode range, qualification status, and applicable regulatory requirements. The supplied web data does not establish medical or AEC-Q100 qualification, so the part must not be assumed approved for those uses.
推薦
General-Purpose Dual Amplifier Stage
The MP8103DK-LF-Z works as a general-purpose dual amplifier for voltage buffering, cross-coupling, gain stages, and general analog interfacing. The 8-MSOP package reduces PCB footprint, and the 1.8 V minimum operating supply supports compact mixed-signal systems. The 600 kHz gain-bandwidth product gives the design more headroom than a very slow micropower amplifier, while approximately 14 microamps of supply current favors battery operation. During schematic review, check the actual signal amplitude, required accuracy, output loading, and feedback stability against the manufacturer datasheet.
推薦
工程參考資料，適用於 MP8103DK-LF-Z — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MP8103DK-LF |
|---|---|---|
| Package | 8-MSOP | 8-MSOP |
| Brand | Monolithic Power Systems | Monolithic Power Systems |
| Number of Channels | 2 | 2 |
| Application Category | General-purpose amplifier | General-purpose amplifier |
主要差異化特點
- Dual-channel integration (對比MP8103DK-LF)
- Low-voltage operation (對比MP8103DK-LF)
- Low supply-current operation (對比MP8103DK-LF)
設計說明
Place the MP8103DK-LF-Z close to its supply bypass capacitor and keep each amplifier's input, feedback, and output traces short. High-impedance input nodes are particularly sensitive to capacitive coupling and leakage from adjacent switching nodes. Connect the exposed package structure and ground return according to the manufacturer package drawing, and verify that the 8-MSOP land pattern matches the selected PCB footprint.
The verified family description states approximately 14 microamps of supply current and operation from 1.8 V, but the complete operating conditions are not supplied. Before calculating battery life, determine the quiescent current at the actual supply voltage, temperature, output state, and load. Also verify whether the dual channels are powered together and confirm the maximum supply voltage from the manufacturer datasheet before adding the amplifier to a battery platform.
Do not assume that a 1.8 V operating supply guarantees the input signal can approach either rail. The verified data confirms a rail-to-rail output but does not provide the input common-mode range, output swing, input offset, noise, or slew rate. Confirm these parameters for the selected gain and load, and include output-bias and feedback-resistor tolerances in the system error budget before production release.
The 600 kHz gain-bandwidth figure suggests the amplifier is intended for moderate rather than ultra-high-frequency signals. Avoid using it in high-gain stages with appreciable capacitive loading without checking stability guidance from the manufacturer. Keep feedback loops compact, observe the recommended feedback-resistor range, and use shielding or guarded routing for very high-impedance sources where leakage and stray capacitance can dominate measurement accuracy.
合規資訊
The supplied verified web data does not provide component-level RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. These fields remain unknown rather than being inferred from the -LF-Z suffix.
