MAX1276ETC+

Number of A/D Converters:	1
Base Part Number:	MAX1276
Supplier Device Package:	12-TQFN (4x4)
Package / Case:	12-WQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	1.8 V ~ 5.25 V
Voltage - Supply, Analog:	5V
Reference Type:	Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	1.8M
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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## IntroductionThe MAX1276ETC+ is an example of a data acquisition analog to digital converter (ADC). It is known for being an ultra low power, low voltage converter suitable for cost-sensitive, power limited portable medical devices, and portable consumer applications. The MAX1276ETC+ is from a family of derivative products. This device uses fabrication technology involving embedded EEPROM and contacts for improved system performance and flexibility.## ApplicationsThe MAX1276ETC+ is a low-power, low-voltage converter that is suitable for a variety of applications including small, low-power medical, consumer, and industrial applications. It is also ideal for portable and battery-powered applications requiring fast conversion times, low power consumption and convenient layout options. The MAX1276ETC+’s ability to support wide input ranges and temperature ranges make it suitable for use in applications in which precision and accuracy is required. It is also an excellent choice for applications that require high performance and accuracy in an inexpensive package.The MAX1276ETC+ can be used in a variety of applications such as measurement, monitoring, process control, and instrumentation. Its wide input ranges and accuracy make it suitable for measuring signals such as pressure, temperature, position, vibration, and acceleration. It is also used in medical applications where high accuracy and precision is required.## Working PrincipleThe MAX1276ETC+ uses a dual-slope ADC architecture for signal conversion. This architecture is based on successive approximation principles. In this method, the input signal is compared with a reference voltage and then converted into a digital code by the ADC. The ADC then performs successive comparisons until it finds a digital code that agrees with the input voltage. The main advantages of this architecture are fast conversion times, high resolution and low power consumption.The MAX1276ETC+ provides eight-bit precision, with a conversion time of 8µs and a sampling rate of 10KHz. It is powered from a single 3V supply and has low current consumption, making it very suitable for low power applications. The MAX1276ETC+ can operate from -40°C to +85°C and has a wide common-mode range of 0.2V to 2.85V. It has an input impedance of about 10KΩ and a typical dynamic nonlinearity of 0.5LSB. It also has a residual offset of less than 500µV, making it excellent for ± 0.5LSB accuracy.## Conclusion The MAX1276ETC+ is a low-power, low-voltage, high-performance ADC that is well-suited for a variety of applications including portable and battery-powered devices requiring high speed and accuracy. It is based on the dual-slope ADC architecture and provides 8-bit precision with a sampling rate of 10KHz and a conversion time of 8µs. It operates over a wider common-mode range and has a wide input range and low input impedance. It also has a very low current consumption and is suitable for cost-sensitive, power-limited portable applications.

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