Overview
The OPA2241UA/2K5 is a dual, micro power operational amplifier produced by Texas Instruments. This device is part of the OPAx241 family, which is optimized for operation with a 5V supply. It is designed for battery-powered and portable applications, featuring very low power consumption and high performance characteristics.
The OPA2241UA/2K5 operates from a single supply voltage ranging from 2.7V to 36V or dual supplies from ±1.35V to ±18V. It is known for its low offset voltage, rail-to-rail output swing, high common-mode rejection, and high open-loop gain, making it an excellent choice for various precision applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | Single: 2.7V to 36V, Dual: ±1.35V to ±18V |
| Quiescent Current (IQ) | 25µA |
| Offset Voltage | ±250µV max |
| Common-Mode Rejection Ratio (CMRR) | 124dB |
| Open-Loop Gain | 128dB |
| Bandwidth | 35kHz |
| Slew Rate | 0.01 V/µs |
| Output Swing | Rail-to-rail (within 50mV) |
Key Features
- Micro power consumption: IQ = 25µA
- Single-supply operation with a wide supply range: 2.7V to 36V
- Dual-supply operation: ±1.35V to ±18V
- Rail-to-rail output swing (within 50mV)
- Low offset voltage: ±250µV max
- High common-mode rejection ratio: 124dB
- High open-loop gain: 128dB
- Unity-gain stable and capable of driving large capacitive loads
- External trim pins available for single versions
Applications
- Battery-operated instruments
- Portable devices
- Medical instruments
- Test equipment
- Any application requiring low power consumption and high precision
Q & A
- What is the package type of the OPA2241UA/2K5?
The OPA2241UA/2K5 comes in an 8-SOIC (0.154", 3.90mm Width) package.
- What is the operating temperature range of the OPA2241UA/2K5?
The operating temperature range is -40°C to 85°C.
- What are the supply voltage ranges for the OPA2241UA/2K5?
The device can operate from a single supply of 2.7V to 36V or dual supplies from ±1.35V to ±18V.
- What is the quiescent current (IQ) of the OPA2241UA/2K5?
The quiescent current is 25µA.
- What is the maximum offset voltage of the OPA2241UA/2K5?
The maximum offset voltage is ±250µV.
- What is the common-mode rejection ratio (CMRR) of the OPA2241UA/2K5?
The CMRR is 124dB.
- What is the open-loop gain of the OPA2241UA/2K5?
The open-loop gain is 128dB.
- Is the OPA2241UA/2K5 unity-gain stable?
- Does the OPA2241UA/2K5 have external trim pins?
- What are some typical applications of the OPA2241UA/2K5?
Typical applications include battery-operated instruments, portable devices, medical instruments, and test equipment.
