Overview
The OPA2241UA/2K5G4 is a dual operational amplifier from Texas Instruments, part of the OPAx241 family. This micro power operational amplifier is designed for low power consumption and is optimized for single-supply operation, making it suitable for battery-powered and portable applications. The device features low offset voltage, high common-mode rejection, and a wide supply range, making it versatile for various general-purpose uses.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single Supply) | 2.7 | 36 | V | |
| Supply Voltage (Dual Supply) | ±1.35 | ±18 | V | |
| Input Offset Voltage (OPA2241) | ±50 | ±250 | μV | |
| Input Offset Voltage Drift | ±0.4 | μV/°C | ||
| Power Supply Rejection Ratio (PSRR) | ±3 | ±30 | μV/V | |
| Input Bias Current | -4 | -20 | nA | |
| Quiescent Current per Amplifier | 25 | 30 | μA | |
| Output Voltage Swing from Rail | 50 | 100 | mV | |
| Gain-Bandwidth Product | 30 | kHz | ||
| Slew Rate (VS = 5V, G = 1V/V) | 0.01 | V/μs |
Key Features
- Micro power consumption: IQ = 25μA per amplifier
- Single-supply operation with a wide supply range (2.7V to 36V) and dual-supply operation (±1.35V to ±18V)
- Low offset voltage: ±250μV max
- High common-mode rejection: 124dB
- High open-loop gain: 128dB
- Rail-to-rail output swing within 50mV of the supply rails
- Unity-gain stable
- Dual-channel configuration for the OPA2241UA/2K5G4
Applications
- Battery-operated instruments
- Portable devices
- Medical instruments
- Test equipment
- General-purpose amplification in low-power systems
Q & A
- What is the typical quiescent current of the OPA2241UA/2K5G4?
The typical quiescent current is 25μA per amplifier.
- What is the input offset voltage range for the OPA2241UA/2K5G4?
The input offset voltage range is ±50μV to ±250μV.
- What is the power supply rejection ratio (PSRR) of the OPA2241UA/2K5G4?
The PSRR is ±3μV/V to ±30μV/V.
- What is the gain-bandwidth product of the OPA2241UA/2K5G4?
The gain-bandwidth product is 30 kHz.
- Is the OPA2241UA/2K5G4 suitable for single-supply operation?
- What is the slew rate of the OPA2241UA/2K5G4 at VS = 5V and G = 1V/V?
The slew rate is 0.01 V/μs.
- What are the typical applications of the OPA2241UA/2K5G4?
Typical applications include battery-operated instruments, portable devices, medical instruments, and test equipment.
- Is the OPA2241UA/2K5G4 unity-gain stable?
- What is the output voltage swing from the rail for the OPA2241UA/2K5G4?
The output voltage swing from the rail is within 50mV to 100mV.
- How many channels does the OPA2241UA/2K5G4 have?
The OPA2241UA/2K5G4 is a dual-channel operational amplifier.
