Overview
The OPA2349UA/2K5 is an ultra-low power operational amplifier produced by Texas Instruments. It is part of the OPA2349 series, which is known for its rail-to-rail input and output capabilities. This amplifier is designed for applications where low power consumption is critical, making it suitable for battery-powered devices and other low-power systems.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 5V, VCM = 2.5V | ±2 | ±10 | ±13 | mV |
| Input Offset Voltage Drift (dVOS/dT) | ±15 | µV/°C | |||
| Power-Supply Rejection Ratio (PSRR) | VS = 1.8V to 5.5V, VCM = (V–) + 0.3V | 350 | 1000 | 3000 | µV/V |
| Common-Mode Voltage Range (VCM) | (V–) – 0.2 | (V+) + 0.2 | V | ||
| Quiescent Current | TA = +25°C | 1 | µA | ||
| Bandwidth | 70kHz | ||||
| Supply Voltage Range | 1.8V | 5.5V | V |
Key Features
- Ultra-low power consumption: 1µA quiescent current
- Rail-to-rail input and output
- 70kHz bandwidth
- Low input offset voltage: ±10mV typical
- High power-supply rejection ratio: 1000µV/V typical
- Operating temperature range: -55°C to 125°C
- Available in 8-SOIC package
Applications
The OPA2349UA/2K5 is suitable for a variety of low-power applications, including:
- Battery-powered devices
- Portable electronics
- Medical devices
- Industrial control systems
- Automotive systems where low power consumption is essential
Q & A
- What is the quiescent current of the OPA2349UA/2K5?
The quiescent current is 1µA. - What is the bandwidth of the OPA2349UA/2K5?
The bandwidth is 70kHz. - What is the input offset voltage of the OPA2349UA/2K5?
The input offset voltage is ±10mV typical. - What is the power-supply rejection ratio (PSRR) of the OPA2349UA/2K5?
The PSRR is 1000µV/V typical. - What is the common-mode voltage range of the OPA2349UA/2K5?
The common-mode voltage range is from (V–) – 0.2V to (V+) + 0.2V. - What is the operating temperature range of the OPA2349UA/2K5?
The operating temperature range is -55°C to 125°C. - In what package is the OPA2349UA/2K5 available?
The OPA2349UA/2K5 is available in an 8-SOIC package. - What are some typical applications for the OPA2349UA/2K5?
Typical applications include battery-powered devices, portable electronics, medical devices, industrial control systems, and automotive systems. - What is the supply voltage range for the OPA2349UA/2K5?
The supply voltage range is from 1.8V to 5.5V. - Is the OPA2349UA/2K5 suitable for high-temperature environments?
Yes, it is suitable for operating temperatures up to 125°C.
