LTC1407CMSE#TRPBF

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Data acquisition products refer to a range of devices that monitor and measure physical signals from the environment. Analog-to-Digital Converters (ADCs) are one type of data acquisition product used to convert analog signals into digital signals that can be read by a computer. The LTC1407CMSE#TRPBF (LTC1407) is a 16-bit, 12-channel SAR ADC designed for low-power, portable, high-precision data acquisition applications.

Overview of the LTC1407

The LTC1407 features a low-power, high-precision SAR architecture with an internal sample-and-hold signal conditioning which supports single-ended and differential inputs. This makes the LTC1407 ideally suited for signal-conditioning applications in portable and remote sensing applications where power consumption and signal quality are of paramount importance. The LTC1407 also features a 16-bit resolution, up to 12 manual and up to 30,000 automatic on/off switchable channels, a serial interface to control power and read/write data, and a channel scanning limit of 16,000 samples/second. The device operates on 3.3 V and is packaged in a tiny 8-lead plastic MSOP package.

Features of LTC1407

The main features and benefits of the LTC1407 include:

• Low-power, high-resolution SAR ADC
• 16-bit resolution
• Up to 12 manual, and up to 30,000 automatic on/off switchable channels
• Serial interface to control power and read/write data
• Channel scanning up to 16,000 samples/second
• Programmable gain amplifier (PGA) and differential input gain stage
• Low-noise signal conditioning
• Flexible input range: ±2.5V, ±1.25V, ±0.625V, ±0.3125V, ±0.075V, or alternative ranges
• Compact 8-lead MSOP package

Application Fields of LTC1407

The LTC1407 is suitable for applications where accuracy and low power consumption are required. These include portable and remote sensing, industrial process control and monitoring, all kinds of measurement and control systems in general, and data acquisition for automotive, avionics, and military applications.

Working Principle of LTC1407

The LTC1407 uses a single-ended/differential input (depending on input configuration). The signal is fed into the multiplexer, which transmits the signal to the SAR ADC. The ADC is a successive approximation converter designed with a 16-bit resolution. The PGA and differential gain stages are used to control the gain of the signal before it is converted into the digital output. The output is then routed to a serial interface or to a DAC output, depending on the configuration. The power is controlled by a serial interface, which supports low-power wake-up and auto-power-down features.

Conclusion

The LTC1407 is a high-performance, low-power 16-bit SAR ADC with a wide range of configurable inputs and outputs. It offers precision, accuracy and low power consumption for data acquisition applications in portable, remote and industrial applications. With its advanced signal conditioning, PGA and differential gain stages, the LTC1407 is an ideal solution for applications requiring high precision and low power consumption.

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