Allicdata Part #: | MAX11143ATI+-ND |
Manufacturer Part#: |
MAX11143ATI+ |
Price: | $ 1.86 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC ADC 8BIT SRL 500KSPS 28TQFN |
More Detail: | 8 Bit Analog to Digital Converter 8, 15, 16 Input ... |
DataSheet: | MAX11143ATI+ Datasheet/PDF |
Quantity: | 177 |
1 +: | $ 1.68840 |
10 +: | $ 1.62414 |
50 +: | $ 1.56719 |
Number of A/D Converters: | 1 |
Base Part Number: | MAX11143 |
Supplier Device Package: | 28-TQFN (5x5) |
Package / Case: | 28-WFQFN Exposed Pad |
Operating Temperature: | -40°C ~ 125°C |
Features: | -- |
Voltage - Supply, Digital: | 2.35 V ~ 3.6 V |
Voltage - Supply, Analog: | 2.35 V ~ 3.6 V |
Reference Type: | External |
Architecture: | SAR |
Series: | -- |
Ratio - S/H:ADC: | 1:1 |
Configuration: | MUX-S/H-ADC |
Data Interface: | SPI |
Input Type: | Differential, Pseudo-Differential, Single Ended |
Number of Inputs: | 8, 15, 16 |
Sampling Rate (Per Second): | 500k |
Number of Bits: | 8 |
Part Status: | Active |
Packaging: | Tube |
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Data acquisition systems include a variety of analog to digital converters (ADC) to interface with transducers, instrumentation and electromechanical sources, allowing samples of analog signals to be converted into digital data. The MAX11143ATI+ is a high-resolution, low-power, successive approximation register (SAR) ADC. It is a single-channel, 12-bit resolution, 3 MSPS (mega samples per second) ADC with a low power consumption of only 500 μA. This ADC is suitable for a wide range of applications, from portable medical devices to communications, metering and industrial instrumentation. Let\'s take a look at the application field and working principle of the MAX11143ATI+.
Application Field and Use Cases
The MAX11143ATI+ ADC is a high performance and low power solution with a small footprint of only 8-pin. This makes it suitable for use in battery-powered portable devices and embedded systems. It is ideal for portable medical devices including glucose meters and blood pressure monitors, as well as communication applications such as Cellular/3G/4G, point-to-point radios, Wi-Fi/Bluetooth, satellite receivers and transceivers. In addition, it can be used in industrial and metering applications such as flow and pressure monitoring, electric power metering and vibration monitoring.
Performance and Features
The MAX11143ATI+ offers excellent performance that is suitable for a wide range of analog input signals. It has a high DC accuracy of ±0.00025% with a maximum differential non-linearity (DNL) error of ±0.41LSB for a 12-bit device. It has a long-term stability of 0.003% and a low total harmonic distortion (THD) of 50dBFS. The high resolving power of the ADC is due to its low power consumption, allowing it to achieve a maximum sampling speed of 3MSPS. The ADC has an integrated voltage reference, input buffer, and flexible serial digital output, providing a complete single-chip solution. Furthermore, it has an integrated digital power-down mode, forcing the output pins to go logic low and consume 0μA.
Working Principle
The MAX11143ATI+ ADC is a SAR type low-power statistical ADC. It works by first converting the analog input signal into a digital control signal using a sample-and-hold circuit, and then comparing it with a series of successive analog voltages from a digital-to-analog converter (DAC). This is achieved by comparing the differential measurements of the DAC output with the digitally-controlled voltage from the sample-and-hold circuit. This process is repeated until the ADC has sampled the voltage sufficiently to convert it into a digital signal. The result of the comparison is then stored in the successive approximation register and converted into a digital word that can then be accessed via the serial output.
Conclusion
The MAX11143ATI+ ADC is a powerful, low-power solution for analog signal conversion. Its high resolution, low power consumption and long-term stability make it a great choice for applications such as medical, communications, metering and instrumentation. Furthermore, its small form factor and integrated features ensure ease of use in embedded systems. It\'s a great choice for designers who need a reliable, low-power ADC for their project.
The specific data is subject to PDF, and the above content is for reference
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