LM358F-GE2 - Dual Ground-Sense Operational Amplifier | ROHM Semiconductor
MPN： LM358F-GE2 ✗ 停產LM358F-GE2 概覽
An operational amplifier is an analog amplifier IC that uses high open-loop gain to amplify the difference between two input voltages. In a feedback circuit, the LM358F-GE2 can provide voltage amplification, buffering, filtering, summing, or signal-conditioning functions. The dual-channel configuration lets one package implement two independent amplifier sections, reducing component count and board space in dual-signal or dual-rail applications.
The principal electrical characteristics shown for the LM358F family include a 6 V to 32 V voltage range, 800 kHz gain-bandwidth product, and 300 V/us slew rate. The ground-sense designation indicates that the device is intended for applications where the signal is referenced close to ground. Its two-channel architecture is useful for sensor interfaces, buffer stages, low-level signal conditioning, and general-purpose analog circuits.
The LM358F-GE2 is packaged in an 8-pin SOP format. The package provides eight external terminals for the two amplifier sections, power rails, and associated functions. Because the manufacturer marks the product as not recommended for new designs, engineers should confirm the application, supply conditions, temperature requirements, and qualification expectations with ROHM before starting a new production design. Existing designs can use the established device when its electrical characteristics and lifecycle expectations match the system requirements.
Typical applications include ground-referenced sensor amplification, dual-channel signal conditioning, low-frequency filtering, and general-purpose analog buffering. The 800 kHz gain-bandwidth product supports moderate-bandwidth closed-loop configurations, while the 300 V/us slew rate limits how quickly the output can follow large voltage changes. For unity-gain stability and the best dynamic behavior, the recommended input and output network should follow the manufacturer’s application guidance.
A key design consideration is the input common-mode range and output swing. Designers should keep signals within the device’s supported input and output limits, verify that the power supply meets the 6 V to 32 V range, and account for the ground-sense architecture when selecting feedback and decoupling components. Stable operation also depends on suitable bypass capacitors, short feedback paths, and careful routing of high-impedance input nodes.
This page combines the manufacturer’s product identity, package information, operating characteristics, lifecycle indication, and practical selection guidance. It also identifies replacement candidates for engineers reviewing an existing LM358F-GE2 design, while making clear that a valid substitution must be checked for supply range, bandwidth, slew rate, input/output limits, and pin compatibility.
直接替換替代品，適用於 LM358F-GE2 — 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： LM358F-GE2 （相同外形與佔位） — 差異在於 Package, Amplifier Type, Gain-Bandwidth Product, Input Common-Mode Range, Operating Temperature Range.
LM358DR2G
✅ 直接替換聯絡詢價
查看資料表 →LM358AD
✅ 直接替換聯絡詢價
查看資料表 →LM2904DR2G
✅ 直接替換聯絡詢價
查看資料表 →LM358F-GE2 最大額定值與電氣特性
| Product Type | Dual operational amplifier |
| Number of Channels | 2 channels |
| Amplifier Category | Ground-sense operational amplifier |
| Supply Voltage Range | 6 V to 32 V |
| Gain-Bandwidth Product | 800 kHz |
| Slew Rate | 300 V/us |
| 封裝 | 8-pin SOP |
| 安裝類型 | Surface mount |
LM358F-GE2 8-pin sop 腳位配置指南
LM358F-GE2（8-pin sop 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： LM358F-GE2.
請參閱 資料表 以查看完整腳位配置。
典型應用
LM358F-GE2 適用於 6 應用s: Ground-Referenced Sensor Amplification, Dual-Channel Signal Conditioning, Low-Frequency Active Filtering, Industrial Control Signal Conditioning, Power-Supply Feedback Buffering, Audio and Communication Interface Buffers.
Ground-Referenced Sensor Amplification
The LM358F-GE2 fits sensor interfaces whose signals are referenced close to ground because it is identified as a ground-sense operational amplifier. Its two amplifier sections can provide separate gain or buffering paths for related sensor outputs while using the same 8-pin SOP footprint. The listed 800 kHz gain-bandwidth product is appropriate for many low- and moderate-frequency sensors, and the 300 V/us slew rate supports ordinary signal changes. Before implementation, verify that the sensor’s common-mode voltage and required output swing remain inside the exact datasheet limits.
推薦
Dual-Channel Signal Conditioning
The two independent channels in the LM358F-GE2 allow one IC to condition a pair of related signals, reducing package count compared with two single amplifiers. The device can be configured as a noninverting or inverting amplifier, voltage follower, summing stage, or active-filter building block, depending on the feedback network. Its 800 kHz gain-bandwidth product supports moderate closed-loop bandwidth, while the 300 V/us slew rate sets the maximum output-following speed. Confirm loop stability and signal headroom for the selected gain and supply voltage.
推薦
Low-Frequency Active Filtering
LM358F-GE2 can implement active low-pass or other feedback-based filters in instrumentation and control systems where the target bandwidth is well below the device’s listed 800 kHz gain-bandwidth product. The dual amplifier arrangement can create two cascaded or parallel filter sections without requiring separate packages. Component tolerances and the op amp’s finite gain-bandwidth product determine actual cutoff accuracy and phase behavior, so simulation should include the intended source and load impedances. The 300 V/us slew rate also constrains large-signal behavior at low frequencies.
推薦
Industrial Control Signal Conditioning
The LM358F-GE2 can condition low-level control or measurement signals in industrial electronics when the design operates within the listed 6 V to 32 V supply range. The dual-channel architecture supports independent amplification paths, while the ground-sense focus is relevant to signals referenced to the analog ground plane. Its 800 kHz gain-bandwidth product is suitable for many slow control loops and monitoring channels, not for demanding high-speed instrumentation. Verify offset, bias current, input protection, and common-mode limits before using it with high-impedance sources.
推薦
Power-Supply Feedback Buffering
LM358F-GE2 can buffer a scaled voltage-feedback node in a linear power-supply control circuit, provided the feedback signal, supply level, and output current stay within the device limits. The amplifier’s 300 V/us slew rate can follow ordinary feedback corrections, while the 800 kHz gain-bandwidth product is generally adequate for lower-bandwidth control loops. The input common-mode range is especially important when the feedback node sits near ground. Confirm stability, startup behavior, and output drive in the complete power-converter design.
推薦
Audio and Communication Interface Buffers
The LM358F-GE2 can serve as a general-purpose buffer or gain stage in low-frequency audio and communication interface circuits when its noise, offset, and common-mode characteristics meet the system requirements. The 8-pin SOP package provides two amplifier channels for stereo or paired-channel signal conditioning. The listed 800 kHz gain-bandwidth product handles audio-band applications, although the 300 V/us slew rate may limit large-signal performance at very low frequencies. Confirm output swing and distortion with the intended load and supply configuration.
推薦
推薦產品摘要
工程參考資料，適用於 LM358F-GE2 — 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 | LM358DR2G | LM358AD | LM2904DR2G | TLV2402ID | TLV2462ID |
|---|---|---|---|---|---|---|
| Package | 8-pin SOP | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC |
| Brand | ROHM Semiconductor | onsemi | Texas Instruments | onsemi | Texas Instruments | Texas Instruments |
| Number of Channels | 2 | 2 | 2 | 2 | 2 | 2 |
| Functional Role | General-purpose dual operational amplifier | General-purpose dual operational amplifier | General-purpose dual operational amplifier | Dual operational amplifier | Dual operational amplifier | Dual operational amplifier |
主要差異化特點
- Ground-sense positioning (對比LM358AD)
- Established LM358-family electrical class (對比LM358DR2G)
- Dual-channel integration in 8-pin SOP (對比LM2904DR2G)
設計說明
Use a supply within the listed 6 V to 32 V operating range and place the bypass capacitor close to the supply and ground pins. Keep the feedback network and signal traces away from the supply-return path to reduce supply ripple coupling into the amplifier. Because this is a dual amplifier, check both channels independently for input and output limits rather than assuming identical DC headroom under every operating condition.
Do not treat the listed 6 V minimum supply as a universal operating recommendation without checking the exact datasheet test conditions and output requirements. Confirm that the source signal remains within the input common-mode range and that the chosen gain does not force the output beyond its swing. A common failure mode is selecting the part from bandwidth alone while overlooking offset, bias current, noise, or output-drive requirements.
Route each amplifier’s input, feedback, and output paths with short, quiet traces. High-impedance input nodes should have minimal copper area and be physically separated from switching nodes and supply routing. Follow the pin-description table in the manufacturer datasheet when assigning the 8-pin SOP footprint, and verify the exposed or thermal requirements for the selected package variant before finalizing the footprint.
Choose the closed-loop gain carefully because the 800 kHz gain-bandwidth product limits bandwidth as gain increases, and the 300 V/us slew rate limits large-signal output transitions. For filters and feedback networks, simulate with realistic source and load impedances and include amplifier noise and output loading. If the circuit requires rail-to-rail input or output behavior, low offset, or substantially lower noise, select a more appropriate amplifier rather than assuming LM358-family behavior.
合規資訊
The manufacturer identifies the device as not recommended for new designs. RoHS, REACH, lead-free, halogen-free, and conflict-minerals status were not stated in the product-page snippets.
