TLC271AIDRG4

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Introduction

The TLC271AIDRG4 is a high-performance, linear-amplifier instrumentation designed for high-current output, low-impedance client applications. It has an integrated robust EMI shield and a wide operating temperature range that makes it suitable for harsh environment applications such as automatic test equipment. It has an input and output common-mode range of -60V to 80V and is available in a variety of packages for contact and non-contact applications. The TLC271AIDRG4 includes an integrated output stage protection circuit and thermally efficient open-loop drifts.

Features

• High-current output of 3.0 A
• Low-impedance applications down to 0.25 Ω
• Wide common-mode input range of -60V to +80V
• Integrated robust EMI shield
• Wide operating temperature range
• Integrated output stage protection
• Thermally efficient open-loop drifts

Applications

The TLC271AIDRG4 is ideal for demanding client applications such as automatic test equipment where high-current output and robustness are required. It is also suitable for medical instrumentation, industrial process control, and low-voltage/high-current circuits. The TLC271AIDRG4 is capable of providing high voltage and current control over a wide temperature range.

Working Principle

The TLC271AIDRG4 consists of two mirror-image differential amplifier stages followed by an output buffer. The differential amplifiers are implemented using high-speed, low-noise BiCMOS circuitry, which ensures low distortion and low noise. The input stage utilizes a current-feedback design with a variable gain. The output buffer consists of a high-performance, high-speed driver stage followed by a low-impedance output stage. The output stage is protected against over-current by an output current-limiting circuit.

The TLC271AIDRG4 operates over a wide input common-mode range of -60V to +80V and can handle input signals with a peak voltage up to +45V. It features a low-impedance (0.25 Ω) output stage, which allows it to drive 16-bit and 24-bit direct digital synthesizers (DDS). It has an integrated thermally efficient open-loop drift correction circuit, which reduces the overshoot and settling time of the amplifier. Additionally, it features an integrated robust EMI shield, which protects the amplifier from unwanted interferences from the external environment.

Conclusion

The TLC271AIDRG4 is a high-performance, linear-amplifier instrumentation that is ideal for demanding client applications such as automatic test equipment where high-current output and robustness are required. It has a wide common-mode input range and a low-impedance output stage, which makes it suitable for 16-bit and 24-bit DDS. Additionally, it includes an integrated robust EMI shield and an integrated thermally efficient open-loop drift correction circuit, which ensures high reliability and stability.

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