Overview
The OPA348AIDBVTG4 is a single-supply, low-power, CMOS operational amplifier from Texas Instruments. It is part of the OPAx348 series, which includes the OPA348, OPA2348, and OPA4348. This amplifier is designed for low-power applications and features a 1-MHz bandwidth and a supply current of only 45 µA. It operates on a single supply voltage ranging from 2.1 V to 5.5 V, making it suitable for battery-powered and portable equipment. The OPA348AIDBVTG4 is available in a 5-pin SOT-23 package, offering a compact solution for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Bandwidth | 1 MHz | |
| Supply Current | 45 µA | |
| Supply Voltage Range | 2.1 V to 5.5 V | |
| Input Bias Current | 0.5 pA | |
| Input Offset Voltage | 1 to 5 mV | |
| Output Current | 10 mA | |
| Operating Temperature Range | -40°C to 125°C | |
| Package Type | 5-Pin SOT-23 | |
| Package Size | 2.90 mm × 1.60 mm |
Key Features
- Rail-to-Rail Input and Output: The OPA348AIDBVTG4 features rail-to-rail input and output, providing an increased dynamic range.
- Low Power Consumption: With a supply current of only 45 µA, this amplifier is ideal for low-power applications.
- Wide Bandwidth: It offers a 1-MHz bandwidth, making it suitable for a variety of applications requiring high-frequency performance.
- Compact Packaging: Available in a 5-pin SOT-23 package, it is suitable for space-constrained designs.
- Extended Temperature Range: The amplifier operates over a temperature range of -40°C to 125°C, offering design flexibility.
- Unity-Gain Stability: The OPA348AIDBVTG4 is unity-gain stable, ensuring reliable performance in various configurations.
Applications
- Portable Equipment: Ideal for battery-powered devices due to its low power consumption.
- Battery-Powered Equipment: Suitable for devices that require long battery life.
- Smoke Alarms and CO Detectors: Used in high-impedance sensor applications such as smoke detectors and CO detectors.
- Medical Instrumentation: Applicable in medical devices that require low power and high accuracy.
- General-Purpose Amplification: Suitable for a wide range of general-purpose amplification needs.
Q & A
- What is the typical supply current of the OPA348AIDBVTG4?
The typical supply current is 45 µA.
- What is the bandwidth of the OPA348AIDBVTG4?
The bandwidth is 1 MHz.
- What is the input bias current of the OPA348AIDBVTG4?
The input bias current is 0.5 pA.
- What is the operating temperature range of the OPA348AIDBVTG4?
The operating temperature range is -40°C to 125°C.
- What types of packages are available for the OPA348AIDBVTG4?
The OPA348AIDBVTG4 is available in a 5-pin SOT-23 package.
- Is the OPA348AIDBVTG4 rail-to-rail input and output?
Yes, it features rail-to-rail input and output.
- What is the typical output current of the OPA348AIDBVTG4?
The typical output current is 10 mA.
- Is the OPA348AIDBVTG4 unity-gain stable?
Yes, it is unity-gain stable.
- What are some common applications of the OPA348AIDBVTG4?
Common applications include portable equipment, battery-powered equipment, smoke alarms, CO detectors, and medical instrumentation.
- What is the supply voltage range for the OPA348AIDBVTG4?
The supply voltage range is from 2.1 V to 5.5 V.
