Overview
The OPA2244UA/2K5 is a dual operational amplifier (op amp) produced by Texas Instruments. It is part of the OPA244 series, which includes single, dual, and quad versions. This device is designed for very low quiescent current, making it ideal for battery-powered and portable instrumentation applications. The OPA2244UA/2K5 is offered in an 8-pin SOIC package, providing a compact solution for space-limited designs.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = ±7.5V, VCM = 0 | ±0.7 | ±1.5 | ±2 | mV |
| Quiescent Current (IQ) | IO = 0 | 40 | 50 | 70 | µA |
| Bandwidth | - | - | 430kHz | - | - |
| Supply Voltage Range | - | +2.2V to +36V | - | - | V |
| Dual Supply Range | - | ±1.1V to ±18V | - | - | V |
| Input Bias Current (IB) | VCM = VS/2 | -10 | -25 | - | nA |
| Operating Temperature Range | - | -40°C to 85°C | - | - | °C |
| Package Type | - | SOIC-8 | - | - | - |
Key Features
- MicroPOWER: Low quiescent current of 50µA per channel.
- Single Supply Operation: Can operate from +2.2V to +36V.
- Dual Supply Operation: Can operate from ±1.1V to ±18V.
- Wide Bandwidth: 430kHz.
- High Channel Separation: 140dB.
- Unity-Gain Stable.
- Compact SOIC-8 package.
- RoHS compliant.
Applications
The OPA2244UA/2K5 is suitable for a wide range of general-purpose applications, particularly in battery-powered and portable instrumentation. It is ideal for use in systems that require low power consumption and high performance. Typical applications include audio circuits, medical devices, and industrial control systems.
Q & A
- What is the quiescent current of the OPA2244UA/2K5? The quiescent current is 50µA per channel, with a maximum of 70µA over the specified temperature range.
- What is the bandwidth of the OPA2244UA/2K5? The bandwidth is 430kHz.
- What are the supply voltage ranges for the OPA2244UA/2K5? It can operate from a single supply of +2.2V to +36V or dual supplies of ±1.1V to ±18V.
- What is the input offset voltage of the OPA2244UA/2K5? The input offset voltage is ±0.7mV to ±2mV over the specified temperature range.
- What is the operating temperature range of the OPA2244UA/2K5? The specified operating temperature range is –40°C to 85°C.
- Is the OPA2244UA/2K5 RoHS compliant? Yes, the OPA2244UA/2K5 is RoHS compliant.
- What package type is the OPA2244UA/2K5 available in? It is available in an 8-pin SOIC package.
- What is the channel separation of the OPA2244UA/2K5? The channel separation is 140dB.
- Is the OPA2244UA/2K5 unity-gain stable? Yes, the OPA2244UA/2K5 is unity-gain stable.
- What are some typical applications of the OPA2244UA/2K5? Typical applications include audio circuits, medical devices, and industrial control systems.
