OPA170ASDRLTEP

The OPA170ASDRLTEP is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for a wide range of applications, including signal conditioning, data acquisition, and active filtering. Here’s a detailed description of its key features and specifications:

General Characteristics:

• Type: Precision Operational Amplifier
• Package: The OPA170ASDRLTEP comes in a small, surface-mount package (SOT-23-5), which is ideal for space-constrained applications.
• Temperature Range: It operates over an extended temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications.

Electrical Specifications:

• Supply Voltage: The op-amp can operate with a dual supply voltage ranging from ±2.5V to ±18V, or a single supply from 5V to 36V.
• Input Offset Voltage: The OPA170 features a low input offset voltage, typically around 50 µV, which enhances its precision in applications requiring accurate signal amplification.
• Input Bias Current: The input bias current is low, typically around 10 pA, which minimizes the loading effect on the input signal.
• Common-Mode Rejection Ratio (CMRR): The CMRR is high, typically around 120 dB, ensuring that variations in the common-mode voltage do not significantly affect the output.
• Power Supply Rejection Ratio (PSRR): The PSRR is also high, typically around 120 dB, which helps maintain stable performance despite variations in the supply voltage.

Performance:

• Gain Bandwidth Product: The OPA170 has a gain bandwidth product of approximately 1 MHz, allowing it to handle a variety of signal frequencies effectively.
• Slew Rate: The slew rate is around 0.1 V/µs, which is adequate for many low-frequency applications but may limit performance in high-speed scenarios.
• Output Drive Capability: The op-amp can drive loads of up to 600 Ω, making it versatile for different output configurations.

Applications:

The OPA170 is suitable for a variety of applications, including:

• Signal conditioning in sensor applications
• Active filters
• Data acquisition systems
• Medical instrumentation
• Automotive electronics

Additional Features:

• Low Noise: The op-amp is designed to minimize noise, making it suitable for precision applications.
• Rail-to-Rail Output: The output stage is designed to provide rail-to-rail output, maximizing the output voltage swing and improving the dynamic range.
• Single-Supply Operation: It can operate on a single supply, which simplifies the design of battery-powered devices.

Conclusion:

The OPA170ASDRLTEP from Texas Instruments is a highly versatile and precise operational amplifier that is well-suited for a wide range of applications requiring high accuracy and low noise. Its robust specifications and features make it a popular choice among engineers and designers in various fields.