Texas Instruments

OPA234EA/2K5  

OP Amps, Buffer Amps ICs

OPA234EA/2K5 Description

The OPA234EA/2K5 is a general-purpose operational amplifier (op-amp) designed and manufactured by Texas Instruments. This IC is part of the OP Amps, Buffer Amps ICs category and is packaged in an 8-VSSOP (Very Small Shrink Outline Package). Although the product is now considered obsolete, it was widely used in various applications due to its robust performance and technical specifications.

OPA234EA/2K5 Features

• Voltage Supply Span: The OPA234EA/2K5 operates over a wide voltage range, from a minimum of 2.7 V to a maximum of 36 V, making it suitable for a variety of power supply configurations.
• Gain Bandwidth Product: With a gain bandwidth product of 350 kHz, this op-amp provides a good balance between gain and speed, suitable for many analog signal processing tasks.
• Slew Rate: The op-amp boasts a slew rate of 0.2V/µs, ensuring fast response times for transient signals.
• Low Input Bias Current: The input bias current is a low 12 nA, which is beneficial for applications requiring high input impedance to avoid loading the source.
• Low Input Offset Voltage: At 70 µV, the low input offset voltage contributes to high accuracy in signal amplification.
• Supply Current: The quiescent supply current is 275 µA, which is relatively low for energy-efficient designs.
• Output Current: The device can deliver up to 22 mA per channel, suitable for driving capacitive loads or low-impedance devices.
• Mounting Type: Surface mount technology allows for compact and efficient PCB layouts.
• Compliance: The OPA234EA/2K5 is REACH unaffected and RoHS3 compliant, adhering to environmental regulations.

OPA234EA/2K5 Applications

The OPA234EA/2K5 is well-suited for a variety of applications where a general-purpose op-amp is required:

• Audio Amplification: Due to its low noise and high slew rate, it can be used in audio circuits for pre-amplifiers or line drivers.
• Sensor Signal Conditioning: Its low input bias current and offset voltage make it ideal for conditioning signals from sensors in industrial or scientific applications.
• Data Acquisition Systems: The wide supply voltage range and low power consumption are advantageous in battery-operated data acquisition systems.
• Instrumentation Amplifiers: The OPA234EA/2K5 can be used in the design of instrumentation amplifiers for medical equipment or precision measurement devices.

Conclusion of OPA234EA/2K5

While the OPA234EA/2K5 is now an obsolete product, it was a reliable and versatile op-amp during its time. Its wide supply voltage range, low power consumption, and good performance metrics made it suitable for a broad spectrum of applications. For those still using this device, it remains a solid choice for applications requiring a general-purpose op-amp with a balance of performance and power efficiency. However, for new designs, it's recommended to consider the latest offerings from Texas Instruments that may offer improved specifications and longer product lifecycles.

OPA234EA/2K5 Documents

Download datasheets and manufacturer documentation for OPA234EA/2K5

Datasheets :

OPA234, 2234, 4234      

PCN Obsolescence/ EOL :

OPAYYY 14/May/2019       OPAYYY 29/May/2019