TDA8766G/C1,118

Number of A/D Converters:	1
Base Part Number:	TDA8766
Supplier Device Package:	32-LQFP (5x5)
Package / Case:	32-LQFP
Operating Temperature:	20°C ~ 75°C
Features:	--
Voltage - Supply, Digital:	3 V ~ 5.25 V
Voltage - Supply, Analog:	3 V ~ 5.25 V
Reference Type:	External
Architecture:	Sigma-Delta
Series:	--
Ratio - S/H:ADC:	--
Configuration:	ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	20M
Number of Bits:	10
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Analog to Digital Converters (ADC)

The TDA8766G/C1,118 is an analog to digital converter that can be used for data acquisition. It is a monolithic integrated circuit specifically designed for analog signal acquisition from a variety of sources, such as transducers, sensors, and other electronic measurements. This chip offers a high accuracy and resolution, making it suitable for applications within many fields.

Features

The TDA8766G/C1,118 Analog to Digital Converter is a low power, high performance device ideal for a variety of applications. It features a 10 bit resolution, a sample rate up to 118kS/s, and a fast conversion time. It has an input voltage range of ±10V and the input itself is protected against ESD and over-voltage. The output of the TDA8766G/C1,118 is in a serial format, making it easy to connect with micro- controllers or microprocessors. This chip has been designed with an integrated clock oscillator circuit to avoid the need for an external clock and also offers a wide temperature range and low power consumption.

Application Fields

The TDA8766G/C1,118 is a common choice for data acquisition in domains such as medical, industrial, automotive, and consumer electronics. It can be used for a range of medical applications such as medical imaging, with applications such as video and pulse oximetry. Industrial applications include data logging, with the chip being particularly suited to battery powered systems where its low power consumption is beneficial. This chip can be used in automotive diagnostics systems or as part of engine control systems. When it comes to consumer electronics, the chip can be used in a range of home appliances, such as washing machines and tumble dryers.

Working Principle

The TDA8766G/C1,118 Analog to Digital Converter works on the principle of integrating a known voltage over an unknown voltage, through charging (or discharging) a capacitor. This process is referred to as “successive approximation”. The chip starts by charging the capacitor until it reaches a pre-determined voltage, then charges it again until it reaches the original voltage. Each iteration increases the accuracy of the conversion process and the chip is able to read the charge on the capacitor to determine the equivalent digital value. The chip then computes an analog to digital conversion and outputs the serial data in a 8-bit or 10-bit format, depending on the model.

Conclusion

The TDA8766G/C1,118 Analog to Digital Converter provides a high accuracy, high resolution and fast conversion solution for a range of applications in the medical, industrial, automotive, and consumer electronics spaces. Its low power consumption and integrated oscillator make it extremely useful for battery powered systems, and its wide temperature range ensures reliable use in most situations. The on-chip successive approximation process means that this chip is able to quickly and accurately convert analog signals into equivalent digital values, with its output in a convenient serial format that is easy to connect with a range of microcontrollers and microprocessors.

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