Overview
The OPA2234U/2K5G4 is a low-power, precision single-supply operational amplifier produced by Texas Instruments. This device is part of the OPA2234 series, known for its high performance and low power consumption, making it ideal for battery-powered and portable applications.
The OPA2234U/2K5G4 is available in an 8-pin SOIC package and operates over a wide temperature range of -40°C to 85°C. It is designed to provide excellent precision and stability, making it suitable for a variety of general-purpose and precision applications.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Units |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±0.5 mV | ±0.7 mV | ±1.5 mV | mV |
| Input Bias Current (IB) | ±10 pA | ±10 pA | ±30 pA | pA |
| Common-Mode Rejection Ratio (CMRR) | 106 dB | 86 dB | - | dB |
| Gain-Bandwidth Product (GBW) | 0.35 MHz | - | - | MHz |
| Slew Rate | 0.2 V/μs | - | - | V/μs |
| Quiescent Current per Channel (Iq) | 0.25 mA | - | 0.3 mA | mA |
| Output Current | 11 mA | - | - | mA |
| Total Supply Voltage | - | 2.7 V | 36 V | V |
| Operating Temperature Range | - | -40°C | 85°C | °C |
Key Features
- Low Power Consumption: The OPA2234U/2K5G4 features a low quiescent current of 0.25 mA per channel, making it suitable for battery-powered devices.
- Precision Performance: High precision with low input offset voltage and low input bias current.
- Wide Supply Range: Operates from a single supply of 2.7V to 36V or dual supplies of ±1.35V to ±18V.
- High CMRR and PSRR: Excellent common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) ensure stable operation in various environments.
- Compact Packaging: Available in an 8-pin SOIC package, suitable for space-limited applications.
- Wide Temperature Range: Fully specified from -40°C to 85°C, ensuring reliable performance across different temperatures.
Applications
The OPA2234U/2K5G4 is suitable for a wide range of applications, including:
- Battery-powered devices and portable instrumentation.
- General-purpose and precision amplification tasks.
- Medical devices and diagnostic equipment.
- Industrial control and automation systems.
- Aerospace and defense applications where low power and high precision are critical.
Q & A
- What is the typical quiescent current of the OPA2234U/2K5G4?
The typical quiescent current is 0.25 mA per channel.
- What is the input offset voltage of the OPA2234U/2K5G4?
The input offset voltage is typically ±0.5 mV.
- What is the common-mode rejection ratio (CMRR) of the OPA2234U/2K5G4?
The CMRR is typically 106 dB.
- What is the gain-bandwidth product (GBW) of the OPA2234U/2K5G4?
The GBW is typically 0.35 MHz.
- What is the operating temperature range of the OPA2234U/2K5G4?
The operating temperature range is from -40°C to 85°C.
- What are the package options for the OPA2234U/2K5G4?
The device is available in an 8-pin SOIC package.
- What is the total supply voltage range for the OPA2234U/2K5G4?
The total supply voltage range is from 2.7V to 36V for single supply and ±1.35V to ±18V for dual supplies.
- Is the OPA2234U/2K5G4 suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption.
- What are some common applications of the OPA2234U/2K5G4?
It is used in battery-powered devices, portable instrumentation, medical devices, industrial control systems, and aerospace applications.
- How does the OPA2234U/2K5G4 perform in terms of noise and stability?
The device features low input voltage noise and high CMRR and PSRR, ensuring stable operation in various environments.
