The TPA132 high-precision current sense amplifier is a state-of-the-art device designed to offer outstanding performance for various demanding applications. It features an exceptionally wide input common-mode voltage range from -4V to 80V and a 1MHz small signal bandwidth. This impressive range allows the TPA132 to effectively handle high-voltage environments and interface seamlessly with Successive Approximation Register (SAR) Analog-to-Digital Converters (ADCs) for small signal conditioning.
One of the standout features of the TPA132 is its enhanced Pulse Width Modulation (PWM) rejection capability, which makes it particularly suitable for applications involving solenoids and motors. This enhanced PWM rejection ensures that the TPA132 can provide accurate current sensing even in electrically noisy environments, where interference from PWM signals is common.
The TPA132 is available in fixed gain options of 20V/V, 50V/V, 100V/V, 200V/V, and 500V/V. This range of gain options allows for flexibility in various applications, enabling designers to choose the most appropriate gain setting for their specific needs. The device operates over a broad temperature range of -40°C to +125°C, ensuring reliable performance in extreme environmental conditions. This makes the TPA132 an excellent choice for automotive and industrial applications where durability and precision are paramount.
Key Features of the TPA132:
· Offset Voltage: The TPA132 boasts a low offset voltage of 200μV, which ensures high accuracy in current sensing applications. This low offset voltage minimizes measurement errors and improves the overall precision of the device.
· Wide Common-Mode Voltage Range: With a common-mode voltage range extending from -4V to 80V, the TPA132 is versatile enough to be used in a variety of power systems, including high-voltage applications.
· Supply Voltage: The device operates with a supply voltage range of 3.0V to 5.5V, making it compatible with different power supply configurations and enhancing its adaptability.
· Precision and Zero-Drift Performance: The TPA132 delivers exceptional precision with a gain error of just 0.1%, an offset drift of 0.15μV/°C, and a gain drift of 1.5ppm/°C. These specifications ensure that the amplifier maintains high accuracy over a wide range of operating conditions.
· Voltage Output Gain Options: The TPA132 is available in multiple gain configurations to suit different applications:
o TPA132A1: 20V/V
o TPA132A2: 50V/V
o TPA132A3: 100V/V
o TPA132A4: 200V/V
o TPA132A5: 500V/V
· Rail-to-Rail Output: The device supports rail-to-rail output, which enhances its versatility and allows it to be used in applications requiring full-scale output swing.
· Operating Temperature Range: Designed to operate reliably within a temperature range of -40°C to 125°C, the TPA132 is built to withstand extreme temperatures, making it suitable for automotive and industrial applications.
Applications of the TPA132:
· High-Side Current Sensing: The TPA132 is ideally suited for high-side current sensing applications, where it can accurately measure the current flowing through high-side components. This is essential in systems where precise current monitoring is crucial for safety and performance.
· Power Management: In power management applications, the TPA132 provides precise current measurements that are critical for optimizing power usage and efficiency. Its high accuracy ensures that power management systems can operate more effectively, reducing energy consumption and improving overall system performance
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· Automotive: The TPA132’s robust design and high precision make it an excellent choice for automotive applications. It can be used in various automotive systems to ensure accurate current sensing, which is vital for the performance and safety of modern vehicles.
The TPA132 high-precision current sense amplifier offers a comprehensive solution for engineers and designers seeking reliable and accurate current sensing capabilities. Its combination of wide common-mode voltage range, enhanced PWM rejection, and zero-drift performance makes it a versatile and dependable choice for a wide range of applications. Whether used in automotive, industrial, or power management systems, the TPA132 delivers consistent and precise performance, ensuring that critical current measurements are always accurate.
In addition to its technical features, the current sense amplifier TPA132 is available in both 8-pin Small Outline Package (SOP) and Thin Shrink Small Outline Package (TSSOP) configurations. These packaging options provide flexibility in terms of integration and space requirements, making it easier for designers to incorporate the TPA132 into their designs in IC industry.
The enhanced PWM rejection capability of the TPA132 sets it apart from many other current sense amplifiers on the market. This feature is particularly beneficial in applications where electrical noise from PWM signals can interfere with accurate current measurements. By effectively rejecting these interferences, the TPA132 ensures that current sensing remains accurate and reliable even in noisy environments. We have listed some models: INA240A1DR INA240A1QDRQ1 INA240A1PWR NA240A1QPWRQ1 INA240A2DR INA240A3QDRQ1 for the users.
Overall, the TPA132 high-precision current sense amplifier represents a robust and flexible solution for a multitude of current sensing applications. Its high accuracy, wide input voltage range, and exceptional performance characteristics make it a valuable asset for engineers and designers. With its ability to operate reliably in extreme temperatures and its compatibility with various power systems, the current sense amplifier TPA132 is poised to meet the demands of modern electronic systems across various industries. Click our homepage for more products.
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