Overview
The OPA2340UAG4 is a dual, single-supply, rail-to-rail operational amplifier produced by Texas Instruments. This device is optimized for low-voltage operation and is part of the OPA340 series, which includes single, dual, and quad configurations. The OPA2340 is designed to provide excellent dynamic response while maintaining low quiescent current, making it suitable for a variety of applications where power efficiency is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | Low Offset Voltage Amplifier |
| Number of Channels | Dual |
| Bandwidth | 5.5 MHz |
| Slew Rate | 6 V/µs |
| Quiescent Current | 750 µA |
| Input Bias Current | Approximately 200 fA |
| Input Noise Current Density | 0.003 pA/sqrt Hz |
| Output Voltage Swing | To within 1 mV of the supply rails with a 100-kΩ load |
| Operating Temperature Range | –40°C to 85°C |
| Package Types | 8-pin VSSOP, 8-pin SOIC, 8-pin PDIP |
Key Features
- Rail-to-rail input and output capability, extending 500 mV below ground and 500 mV above the positive supply.
- Low quiescent current of 750 µA.
- High dynamic response with a bandwidth of 5.5 MHz and a slew rate of 6 V/µs.
- Laser-trimmed to reduce offset voltage difference between the N-channel and P-channel input stages, improving common-mode rejection.
- Completely independent circuitry in dual and quad designs for lowest crosstalk and freedom from interaction.
- Available in space-saving packages such as 8-pin VSSOP, 8-pin SOIC, and 8-pin PDIP.
Applications
The OPA2340UAG4 is suitable for a wide range of applications, including:
- Low-power, battery-operated devices.
- Portable electronics.
- Medical devices requiring low noise and high accuracy.
- Audio and video equipment.
- Industrial control systems.
- Sensor signal conditioning.
Q & A
- What is the bandwidth of the OPA2340UAG4?
The bandwidth of the OPA2340UAG4 is 5.5 MHz. - What is the slew rate of the OPA2340UAG4?
The slew rate of the OPA2340UAG4 is 6 V/µs. - What is the quiescent current of the OPA2340UAG4?
The quiescent current of the OPA2340UAG4 is 750 µA. - What are the package options for the OPA2340UAG4?
The OPA2340UAG4 is available in 8-pin VSSOP, 8-pin SOIC, and 8-pin PDIP packages. - What is the operating temperature range of the OPA2340UAG4?
The operating temperature range of the OPA2340UAG4 is –40°C to 85°C. - What is the input bias current of the OPA2340UAG4?
The input bias current of the OPA2340UAG4 is approximately 200 fA. - How does the OPA2340UAG4 handle input voltages exceeding the power supplies?
The OPA2340UAG4 can tolerate momentary input voltages exceeding the power supplies by more than 500 mV if the current on the input pins is limited to 10 mA. - What are some common applications for the OPA2340UAG4?
The OPA2340UAG4 is commonly used in low-power, battery-operated devices, portable electronics, medical devices, audio and video equipment, industrial control systems, and sensor signal conditioning. - What is the output voltage swing of the OPA2340UAG4?
The output voltage swing of the OPA2340UAG4 is to within 1 mV of the supply rails with a 100-kΩ load. - How does the OPA2340UAG4 improve common-mode rejection?
The OPA2340UAG4 is laser-trimmed to reduce the offset voltage difference between the N-channel and P-channel input stages, improving common-mode rejection.
