Overview
The OPA4234UA, manufactured by Texas Instruments, is a low-power, precision single-supply operational amplifier. This quad op-amp is designed for low-voltage, low-power applications and is part of the OPA234, OPA2234, and OPA4234 series. It is ideal for a wide range of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Amplifier Type | General Purpose | |
| Number of Circuits | 4 | |
| Slew Rate | 0.2 | V/µs |
| Gain Bandwidth Product | 350 | kHz |
| Input Bias Current | 12 | nA |
| Input Offset Voltage | 70 | µV |
| Supply Current | 275 | µA |
| Output Current per Channel | 22 | mA |
| Supply Voltage Range | 2.7 V ~ 36 V, ±1.35 V ~ 18 V | |
| Operating Temperature Range | -40°C ~ 85°C | |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount |
Key Features
- Low Power Consumption: The OPA4234UA features a low quiescent current of 275 µA per amplifier, making it suitable for battery-powered and power-sensitive applications.
- Precision Performance: It offers a low input offset voltage of 70 µV and a high power supply rejection ratio (PSRR), ensuring high precision in various operating conditions.
- Single-Supply Operation: The op-amp can operate from a single supply voltage ranging from 2.7 V to 36 V, or dual supplies from ±1.35 V to ±18 V.
- Wide Operating Temperature Range: The device is operational over a temperature range of -40°C to 85°C, making it versatile for different environmental conditions.
- Compact Packaging: The 14-SOIC package is compact and suitable for surface mount applications, saving board space.
Applications
- Medical Devices: Suitable for medical equipment due to its low power consumption and high precision.
- Industrial Automation: Used in various industrial control systems where low power and high accuracy are required.
- Aerospace and Defense: Ideal for applications in aerospace and defense due to its wide operating temperature range and reliability.
- Consumer Electronics: Applied in consumer electronics such as audio equipment, sensors, and other low-power devices.
- Automotive Systems: Used in automotive systems for sensor signal conditioning and other low-power applications.
Q & A
- What is the typical input offset voltage of the OPA4234UA?
The typical input offset voltage is 70 µV.
- What is the slew rate of the OPA4234UA?
The slew rate is 0.2 V/µs.
- What is the gain bandwidth product of the OPA4234UA?
The gain bandwidth product is 350 kHz.
- What is the supply voltage range for the OPA4234UA?
The supply voltage range is from 2.7 V to 36 V for single supply, or ±1.35 V to ±18 V for dual supplies.
- What is the operating temperature range of the OPA4234UA?
The operating temperature range is from -40°C to 85°C.
- What is the package type of the OPA4234UA?
The package type is 14-SOIC (0.154", 3.90mm Width).
- How many amplifiers are included in the OPA4234UA?
The OPA4234UA includes 4 amplifiers.
- What is the typical supply current of the OPA4234UA?
The typical supply current is 275 µA.
- Is the OPA4234UA RoHS compliant?
Yes, the OPA4234UA is RoHS compliant.
- What are some common applications of the OPA4234UA?
Common applications include medical devices, industrial automation, aerospace and defense, consumer electronics, and automotive systems.
