LTC1541CS8#TRPBF

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LTC1541CS8#TRPBF is a special-purpose amplifier manufactured by Linear Technology. It is a monolithic/high performance quad single-ended/rail-to-rail output and input amplifier housed in a space-saving 8-pin plastic package. LTC1541CS8#TRPBF operates with +/-5V to +/-14V dual-supply and swings output down to within 10mV of either rail ensuring the lowest noise performance. It provides an excellent combination of low noise, wide bandwidth and high dynamic range to make it a great choice for use in a wide range of applications.

Applications

LTC1541CS8#TRPBF has many applications including:

• Active filters
• PDM decoders
• Precision instrumentation signal conditioning
• Audio/video signal processing
• AD/DA buffer amplifier
• Transimpedance amplifier
• Photodiode/capacitive transducer amplifier
• Precision ADC driver

Working Principle

LTC1541CS8#TRPBF consists of a pair of complementary high-speed, rail-to-rail output amplifiers and another pair of single-ended inputs. It features high slew rate, low distortion, and low supply current which allows it to operate on a variety of power supplies. The device provides gain over the frequency range of DC to 8-10KHz, with minimal phase shift while working with a ±5V to ±14V dual supplies. The built-in gain stage allows non-inverting and inverting gains up to 2V/V. The internal gain-setting resistors provide symmetrical gains and the outputs can drive capacitive loads, making it ideal for use in instrumentation, systems, and audio/video applications.

The input resistors R1 and R2, along with the capacitor C1, provide the feedback loop on the amplifiers. This forms the AC loop and sets the Gain of the amplifier. The two operational amplifiers act as two buffering amplifiers and increase the gain. The internal bias voltage produced by the amplifiers and the external bias voltage (Vbias) can be adjusted to provide an optimal performance. The amount of adjustment is limited by the voltage range within which the amplifier still performs linearly.

The amplifier is also protected against over-voltage conditions with protection diodes or the ESD protection diodes. This protects it from damage due to over-voltage or ESD events. The amplifier is able to drive and receive signals from both polarities, making it suitable for a wide range of applications and versatile enough for many different designs.

Conclusion

LTC1541CS8#TRPBF is a special-purpose amplifier manufactured by Linear Technology. It is a monolithic/high performance quad single-ended/rail-to-rail output and input amplifier housed in a space-saving 8-pin plastic package. LTC1541CS8#TRPBF operates with +/-5V to +/-14V dual-supply and swings output down to within 10mV of either rail ensuring the lowest noise performance. The amplifier is also protected against over-voltage conditions with protection diodes or the ESD protection diodes. With its wide bandwidth, low noise, and high dynamic range, the LTC1541CS8#TRPBF is an ideal choice for a variety of applications in precision instrumental signal conditioning, audio/video signal processing, AD/DA buffering/amplifier, transimpedance amplifier, photodiode/capacitive transducer amplifier, and precision ADC driver.

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