Overview
The OPA4348AID is a quad, low-power, CMOS operational amplifier produced by Texas Instruments. It is part of the OPAx348 series, which includes single-supply, low-power amplifiers designed for a wide range of applications. The OPA4348AID features an extended bandwidth of 1 MHz and a low quiescent current of 45 µA, making it suitable for low-power applications on single supplies ranging from 2.1 V to 5.5 V.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Bandwidth | 1 MHz |
| Quiescent Current (IQ) | 45 µA (Typical) |
| Supply Voltage Range | 2.1 V to 5.5 V |
| Input Bias Current | 0.5 pA |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 14-pin SOIC (D), 14-pin TSSOP |
Key Features
- Low Quiescent Current: 45 µA (Typical)
- Rail-To-Rail Input and Output
- Single Supply: 2.1 V to 5.5 V
- Input Bias Current: 0.5 pA
- Micro-Size Packages: 5-Pin SC70, 8-Pin SOT-23, 14-Pin TSSOP, and 14-Pin SOIC
- Excellent Bandwidth-to-Power Consumption Trade-off
Applications
The OPA4348AID is particularly suited for low-power applications, including:
- Smoke detectors and other high-impedance sensors
- Battery-powered devices
- Portable electronics
- Medical devices requiring low power consumption
- Industrial automation and control systems
Q & A
- What is the typical quiescent current of the OPA4348AID?
The typical quiescent current is 45 µA.
- What is the bandwidth of the OPA4348AID?
The bandwidth is 1 MHz.
- What is the supply voltage range for the OPA4348AID?
The supply voltage range is from 2.1 V to 5.5 V.
- What are the available package types for the OPA4348AID?
The available package types are 14-pin SOIC (D) and 14-pin TSSOP.
- What is the operating temperature range of the OPA4348AID?
The operating temperature range is -40°C to +125°C.
- What are some typical applications for the OPA4348AID?
Typical applications include smoke detectors, battery-powered devices, portable electronics, medical devices, and industrial automation systems.
- Does the OPA4348AID have rail-to-rail input and output capabilities?
Yes, it has rail-to-rail input and output capabilities.
- What is the input bias current of the OPA4348AID?
The input bias current is 0.5 pA.
- How many channels does the OPA4348AID have?
The OPA4348AID has 4 channels.
- What is the significance of the low quiescent current in the OPA4348AID?
The low quiescent current makes it an optimal choice for low-power applications, reducing overall power consumption.
