The **LPV321DBVT** is a single-channel, low-power, general-purpose operational amplifier (op-amp) manufactured by Texas Instruments. It belongs to the LPV3xx family, designed specifically for low-voltage and battery-powered applications. --- ### ## Technical Specifications The following table summarizes the key electrical characteristics of the LPV321DBVT: | Parameter | Value | | :--- | :--- | | **Supply Voltage (Single)** | 2.7V to 5.0V | | **Supply Current (per channel)** | 9 µA (Typical) | | **Gain Bandwidth Product (GBW)** | 152 kHz | | **Slew Rate** | 0.1 V/µs | | **Input Offset Voltage** | 1.5 mV (Typical) | | **Input Bias Current** | 2 nA | | **Output Type** | Rail-to-Rail | | **Package / Case** | SOT-23-5 | --- ### ### Key Features 1. **Ultra-Low Power Consumption:** With a typical supply current of only 9 µA, it is ideal for systems where power conservation is critical. 2. **Rail-to-Rail Output:** The output swing can reach very close to the supply rails, maximizing the dynamic range in low-voltage systems. 3. **Low Input Bias Current:** Utilizing bipolar technology with optimized input stages, it allows for high-impedance sensor interfacing. 4. **Small Footprint:** The **DBVT** suffix indicates a small SOT-23-5 package, which is essential for space-constrained PCB designs. --- ### ### Common Applications * **Battery-Powered Instruments:** Handheld meters and portable diagnostic tools. * **Sensor Conditioners:** Amplifying signals from PIR sensors, gas sensors, or thermistors. * **Active Filters:** Low-frequency filtering in power-sensitive environments. * **Buffer Amplifiers:** Providing high input impedance for voltage dividers. --- ### ### Typical Connection Diagram The device uses a standard 5-pin configuration. Below is a representation of the pinout logic: ```text SOT-23-5 Pinout: Pin 1: Output Pin 2: V- (Ground) Pin 3: +Input (Non-inverting) Pin 4: -Input (Inverting) Pin 5: V+ (Supply Voltage) ```