## LM358L-S08-R: Technical Overview The **LM358L-S08-R** is a low-power, dual-channel operational amplifier (Op-Amp) designed to operate from a single power supply over a wide range of voltages. It is a variant of the industry-standard LM358 family, specifically packaged for surface-mount applications. --- ### 1. Key Technical Specifications | Parameter | Specification | | :--- | :--- | | **Channels** | Dual (2 independent Op-Amps) | | **Supply Voltage (Single)** | 3.0V to 32V | | **Supply Voltage (Dual)** | ±1.5V to ±16V | | **Package Type** | SOP-8 (Surface Mount) | | **Input Offset Voltage** | 2mV (Typical) | | **Gain Bandwidth Product** | 1.1 MHz | | **Current Consumption** | 500 µA (Low power) | | **Operating Temperature** | -40°C to +85°C (Industrial Grade) | --- ### 2. Part Number Breakdown: `LM358L-S08-R` To understand the specific physical and chemical properties of this component, we can decode the suffix: * **LM358**: The base model number for a dual general-purpose Op-Amp. * **L**: Often indicates "Lead-Free" or "Low Power" depending on the specific manufacturer (commonly UTC - Unisonic Technologies). * **S08**: Refers to the **SOP-8** (Small Outline Package) with 8 pins. * **R**: Indicates **Tape & Reel** packaging, designed for automated SMT (Surface Mount Technology) assembly lines. --- ### 3. Internal Architecture and Pinout The device consists of two independent, high-gain, internally frequency-compensated operational amplifiers. | Pin Number | Function | Description | | :--- | :--- | :--- | | 1 | OUTPUT 1 | Output of the first amplifier | | 2 | INPUT 1- | Inverting input of the first amplifier | | 3 | INPUT 1+ | Non-inverting input of the first amplifier | | 4 | V- / GND | Negative supply or Ground | | 5 | INPUT 2+ | Non-inverting input of the second amplifier | | 6 | INPUT 2- | Inverting input of the second amplifier | | 7 | OUTPUT 2 | Output of the second amplifier | | 8 | V+ | Positive supply voltage | --- ### 4. Common Applications Due to its ability to operate with a single power supply (common in battery-operated devices), it is used in: * **Transducer Amplifiers:** Scaling small sensor signals. * **DC Gain Blocks:** Simple signal amplification. * **Comparators:** Comparing two voltage levels. * **Active Filters:** Low-pass, high-pass, or band-pass filters in audio or signal processing. ---