SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2025/12/19
The OPA657NB/250 is a high-performance integrated circuit belonging to the linear amplifier category, specifically designed as an instrumentation op amp and buffer amp. Manufactured by Texas Instruments, it features excellent signal processing capabilities, making it suitable for a variety of precision electronic applications.
Category:Integrated Circuits (ICs),Linear,Amplifiers,Instrumentation,Op Amps,Buffer Amps
Mfr:Texas Instruments
Packaging:Tape & Reel
Part Status:Active
Amplifier Type:Voltage Feedback
Slew Rate:700V/µs
Gain Bandwidth Product:1.6 GHz
Current - Input Bias:1 pA
Voltage - Input Offset:100 µV
Current - Supply:14mA
Current - Output / Channel:70 mA
Voltage - Supply Span (Min):8 V
Voltage - Supply Span (Max):12 V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:SC-74A, SOT-753
High Slew Rate Response:With a slew rate of 700V/µs, it enables fast response to rapid changes in input signals, ensuring minimal distortion during high-frequency signal amplification. This characteristic is critical for handling transient signals that require quick amplitude transitions without waveform degradation.
Wide Bandwidth Performance:The 1.6 GHz gain bandwidth product provides excellent performance in high-frequency signal processing scenarios, supporting precise amplification of wideband signals.It maintains stable gain across a broad frequency range, making it suitable for high-speed signal chain applications.
Low Input Bias Current:Only 1 pA input bias current reduces the impact on weak signal sources, improving the accuracy of signal acquisition and amplification. This minimizes loading effects on sensitive sensors or low-impedance signal sources, preserving the integrity of the original signal.
Low Offset Voltage:100 µV input offset voltage ensures high DC accuracy, making it ideal for precision instrumentation applications that require stable DC performance. It reduces DC drift and errors in static or low-frequency signal amplification, enhancing overall system precision.
Compact Packaging:Available in SC-74A and SOT-753 surface-mount packages, it saves PCB space and is suitable for miniaturized electronic device designs. The small form factor allows integration into dense circuit layouts, which is essential for portable or space-constrained electronics.
Wide Temperature Adaptability:Operates reliably from -40°C to 85°C, adapting to various harsh environmental conditions.This wide operating temperature range ensures consistent performance in industrial,automotive,or outdoor electronic systems where temperature fluctuations are common.
Oscilloscope Probe Conditioning:Used in high-speed oscilloscope probe modules to amplify 5ns MOSFET pin transient signals with high fidelity, avoiding circuit loading.
Automotive Pressure Sensor Amplification:Front-end amplification for automotive engine cylinder pressure sensors, handling millivolt-level signals and MHz-level pressure fluctuations.
Portable Ultrasound Buffering:Buffer amp in portable ultrasound devices, processing 2-15MHz human tissue echo signals with low distortion.
SFP Module Optic Receiver:Integrated in SFP fiber optic receivers to amplify 100ps-rise-time photodiode signals for 10Gbps data transmission.
Hi-Fi DAC Buffer Stage:Buffer in high-end desktop DACs, isolating outputs and amplifying 1Vpp audio signals without distortion.
Industrial Vibration Sensor Processing:Amplifies weak vibration signals (≤10mVpp) from industrial machine sensors, supporting up to 5MHz signal bandwidth.
Portable Spectrum Analyzer Front-end:Front-end amp for portable spectrum analyzers, enhancing weak RF signal detection (down to 1μVpp) with low noise.
The OPA657NB/250 is a high-performance voltage feedback op amp with outstanding high-frequency response, low distortion, and precision characteristics. Combined with its compact packaging and wide operating temperature range, it is well-suited for precision instrumentation, high-speed signal processing, and other high-demand electronic applications.