MAX1139EEE+T

Number of A/D Converters:	1
Base Part Number:	MAX1139
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 3.6 V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	I²C
Input Type:	Differential, Single Ended
Number of Inputs:	6, 12
Sampling Rate (Per Second):	94.4k
Number of Bits:	10
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Analog to Digital Converters (ADC)

Analog-to-digital converters, or ADCs, are devices that enable analog signals to be converted into digital signals. In this article, we will explore the application field and working principle of the MAX1139EEE+T ADC.The MAX1139EEE+T is a low power, cost-effective 10-bit analog-to-digital converter that operates from a single +2.7 V to +5.5 V supply. It can be used in a wide range of applications, including medical instrumentation, industrial process control, medical imaging, industrial automation, scientific instrumentation, and process monitoring.The MAX1139EEE+T accepts amplitudes up to ±2.0 V and provides a 10-bit resolution with a 0.5 LSB max differential non-linearity (DNL). It also features an automatic power-down shutdown mode, making it suitable for a wide range of mobile and battery powered applications. The device has a low input offset voltage of 0.7 mV and a fast throughput rate of 70 kSPS.The working principle of the MAX1139EEE+T ADC is based on successive approximation method and flash conversion. The input analog signal is fed into an input voltage node. A reference voltage is then supplied to the device’s reference node. The comparator within the ADC compares the input voltage to the reference voltage, and if it is larger, the comparator sends out a “high” signal, while a “low” signal is sent when the input voltage is lower. The output of the comparator is then stored in a register, and the reference voltage is adjusted to reflect the result of the comparison.The process is repeated until all bits of the code word corresponding to the input voltage are resolved. At each successive step, the output from the comparator is stored in a separate bit in the internal register. The resulting code word is then output to the device’s data output pins. This process is usually completed within a few microseconds, making the MAX1139EEE+T converter extremely fast.In addition to its fast throughput rate and low power consumption, the MAX1139EEE+T ADC also offers a number of advantages. It has a low input offset voltage of 0.7 mV and a maximum differential non-linearity (DNL) error of 0.5 LSB. It also has an integrated programmable dual-range input, allowing it to be used with various types of input signals.The MAX1139EEE+T is a very effective analog-to-digital converter, offering unmatched performance in its class. Its low-power design and excellent speed make it suitable for a wide range of applications, particularly in medical instrumentation, industrial process control, medical imaging, industrial automation, scientific instrumentation, and process monitoring.

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