Overview
The OPA2234UA is a dual operational amplifier produced by Texas Instruments. This component is part of the OPA234 series, known for its low power, precision, and single-supply operation. The OPA2234UA is designed for low-voltage, low-power applications and features a bipolar architecture, making it suitable for a wide range of electronic systems. Although the OPA2234UA is currently discontinued, it remains a significant component in many existing designs and legacy systems.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | SOIC-8 | |
| Number of Functions | 2 | |
| Number of Terminals | 8 | |
| Operating Temperature Range | -40°C to 85°C | |
| Supply Voltage Range | 1.35V to 18V | |
| Input Offset Voltage-Max | 500 µV | |
| Input Bias Current-Max | 0.05 µA | |
| Common-mode Reject Ratio-Nom | 106 dB | |
| Slew Rate-Nom | 0.2 V/µs | |
| Unity Gain Bandwidth-Nom | 350 kHz | |
| Supply Current-Max | 0.7 mA | |
| Moisture Sensitivity Level | 3 | |
| RoHS Compliant | Yes |
Key Features
- Low Power Consumption: The OPA2234UA is designed for low-power applications, making it energy-efficient.
- Precision Operation: It features low input offset voltage and high common-mode rejection ratio, ensuring precise signal amplification.
- Single-Supply Operation: The amplifier can operate on a single supply voltage, simplifying circuit design.
- Bipolar Architecture: Utilizes bipolar technology for robust performance across various conditions.
- Compact Packaging: Available in an 8-pin SOIC package, making it suitable for space-constrained designs.
- Wide Operating Temperature Range: Operates from -40°C to 85°C, making it suitable for industrial and harsh environment applications.
Applications
- Industrial Automation: Used in control systems, sensors, and actuators due to its robust performance and wide operating temperature range.
- Medical Devices: Suitable for medical equipment requiring precise signal amplification and low power consumption.
- Aerospace and Defense: Employed in various military and aerospace applications where reliability and precision are critical.
- Consumer Electronics: Found in audio equipment, measurement instruments, and other consumer devices requiring high-quality signal processing.
- Automotive Systems: Used in automotive sensors, control units, and other automotive electronics.
Q & A
- What is the package type of the OPA2234UA?
The OPA2234UA is packaged in an 8-pin SOIC (Small Outline Integrated Circuit).
- What is the operating temperature range of the OPA2234UA?
The operating temperature range is from -40°C to 85°C.
- What is the maximum input offset voltage of the OPA2234UA?
The maximum input offset voltage is 500 µV.
- Is the OPA2234UA RoHS compliant?
Yes, the OPA2234UA is RoHS compliant.
- What is the typical slew rate of the OPA2234UA?
The typical slew rate is 0.2 V/µs.
- What is the unity gain bandwidth of the OPA2234UA?
The unity gain bandwidth is 350 kHz.
- What is the maximum supply current of the OPA2234UA?
The maximum supply current is 0.7 mA.
- Is the OPA2234UA suitable for single-supply operation?
Yes, the OPA2234UA is designed for single-supply operation.
- What is the common-mode rejection ratio of the OPA2234UA?
The nominal common-mode rejection ratio is 106 dB.
- Why is the OPA2234UA discontinued?
The OPA2234UA has been discontinued by Texas Instruments, but it remains relevant in legacy systems and existing designs.
