OPA345UA
- Mfr.Part #
- OPA345UA
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Stock
- 2,845
- In Stock :
- 2,845
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- Manufacturer :
- Texas Instruments
- Product Category :
- Instrumentation, OP Amps, Buffer Amps
- Pbfree Code :
- yes
- Output Current per Channel :
- 15mA
- Number of Terminations :
- 8
- Supply Voltage :
- 5.5V
- ECCN Code :
- EAR99
- Thickness :
- 1.58mm
- Voltage - Input Offset :
- 200μV
- Width :
- 3.91mm
- Amplifier Type :
- GENERAL PURPOSE
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e4
- Low-Bias :
- yes
- Power Supplies :
- 3/5V
- Lead Free :
- Lead Free
- Surface Mount :
- yes
- Packaging :
- Tube
- Micropower :
- yes
- Voltage Gain :
- 122dB
- Terminal Position :
- Dual
- REACH SVHC :
- Unknown
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Pin Count :
- 8
- Number of Pins :
- 8
- Frequency Compensation :
- YES AVCL>=5
- Max Frequency :
- 10kHz
- Low-Offset :
- No
- Operating Temperature :
- -40°C~85°C
- Bandwidth :
- 3MHz
- Height :
- 1.75mm
- Nominal Supply Current :
- 250μA
- Base Part Number :
- OPA345
- Current - Input Bias :
- 0.2pA
- Operating Supply Current :
- 150μA
- Unity Gain BW-Nom :
- 3000 kHz
- Supply Voltage Limit-Max :
- 7.5V
- RoHS Status :
- ROHS3 Compliant
- Programmable Power :
- No
- Voltage - Supply, Single/Dual (±) :
- 2.5V~5.5V
- Terminal Form :
- Gull wing
- Power Supply Rejection Ratio (PSRR) :
- 90.46dB
- Number of Functions :
- 1
- Series :
- MicroAmplifier™
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Output Type :
- Rail-to-Rail
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Max I/O Voltage :
- 1mV
- Architecture :
- VOLTAGE-FEEDBACK
- Number of Channels :
- 1
- Radiation Hardening :
- No
- Common Mode Rejection Ratio :
- 76 dB
- Input Offset Voltage (Vos) :
- 1mV
- Slew Rate :
- 2V/μs
- Mounting Type :
- Surface Mount
- Factory Lead Time :
- 6 Weeks
- Length :
- 4.9mm
- Datasheets
- OPA345UA

[Instrumentation, OP Amps, Buffer Amps] Overview
The OPA345UA, manufactured by Texas Instruments, is a versatile integrated circuit operational amplifier (op-amp) designed to deliver high performance in a wide range of applications. With its compact 8SOIC package, this op-amp is suitable for various circuit designs where space efficiency is crucial. Whether you're working on precision instrumentation, signal conditioning, or buffering applications, the OPA345UA offers exceptional performance and reliability.
OPA345UA Features
- High precision: The OPA345UA features high accuracy and low offset voltage, ensuring precise signal amplification in instrumentation applications.
- Wide bandwidth: With a high slew rate and wide bandwidth, this op-amp can handle fast-changing signals with ease, making it suitable for buffering and signal conditioning tasks.
- Low noise: Designed for applications requiring clean signal amplification, the OPA345UA boasts low noise characteristics, minimizing interference and distortion.
- Low power consumption: Despite its high performance, this op-amp operates efficiently, consuming minimal power and prolonging battery life in portable devices.
- Robust design: Texas Instruments' rigorous manufacturing standards ensure the OPA345UA's reliability and longevity, making it ideal for demanding industrial environments.
OPA345UA Applications
- Instrumentation amplifiers: The OPA345UA is commonly used in precision measurement systems, such as data acquisition systems and medical equipment, where accurate signal amplification is essential for reliable data analysis and diagnosis.
- Buffering circuits: Due to its high slew rate and low noise characteristics, the OPA345UA is well-suited for buffering applications in audio equipment, sensor interfaces, and communication systems.
- Signal conditioning systems: The OPA345UA plays a crucial role in conditioning signals for analog-to-digital converters (ADCs), sensors, and control systems.
This op-amp can be integrated into circuitry for monitoring sensors, transducers, and other sensitive instruments, ensuring faithful signal reproduction without introducing significant distortion or noise.
By placing the op-amp between high-impedance signal sources and load devices, it prevents signal degradation and ensures efficient signal transmission with minimal loss.
Its wide bandwidth and low offset voltage make it an ideal choice for amplifying weak signals, filtering out noise, and adjusting signal levels to match the requirements of downstream components.
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