Allicdata Part #: | MCP3422A1-E/MS-ND |
Manufacturer Part#: |
MCP3422A1-E/MS |
Price: | $ 2.07 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC ADC 18BIT I2C 3.75SPS 8MSOP |
More Detail: | 18 Bit Analog to Digital Converter 2 Input 1 Sigma... |
DataSheet: | MCP3422A1-E/MS Datasheet/PDF |
Quantity: | 200 |
1 +: | $ 1.88370 |
25 +: | $ 1.57046 |
100 +: | $ 1.42758 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Number of Bits: | 18 |
Sampling Rate (Per Second): | 3.75 |
Number of Inputs: | 2 |
Input Type: | Differential |
Data Interface: | I²C |
Configuration: | MUX-PGA-ADC |
Ratio - S/H:ADC: | -- |
Number of A/D Converters: | 1 |
Architecture: | Sigma-Delta |
Reference Type: | Internal |
Voltage - Supply, Analog: | 2.7 V ~ 5.5 V |
Voltage - Supply, Digital: | 2.7 V ~ 5.5 V |
Features: | PGA |
Operating Temperature: | -40°C ~ 125°C |
Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
Supplier Device Package: | 8-MSOP |
Base Part Number: | MCP3422A1 |
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。Data Acquisition - Analog to Digital Converters (ADC) boasts an array of devices for capturing, digitizing, and calibrating analog signals. The MCP3422A1-E/MS is one such device, offering improved resolution and accuracy over existing dual channel ΔΣ A/D converters. This article provides an overview of this device, touching upon its application field and associated working principal.
The MCP3422A1-E/MS is a differential, low-noise dual channel Analog-to-Digital (A/D) converter. With 18-bit resolution and 3 programmable gain amplifiers, it allows for higher resolution, precision, and dynamic range compared to existing single-channel ∆Σ A/D converters. It also supports PGA ranging from 8 to 8192 for higher accuracy.
Moreover, this device is capable of sampling at an impressive 18.75 samples/s. This allows it to convert data from two input signals at the same time, enabling more efficient data sampling and capture. Additionally, its on-chip differential amplifier helps reduce noise for better signal accuracy and cleaner data collection.
The MCP3422A1-E/MS is particularly well suited for industrial, medical, and consumer applications. Its differential topology and low-noise nature makes it perfect for capturing small signals in a variety of environments. It can be used to measure very small signals with precision, such as those found in biomedical applications, or in the automotive industry for acceleration and control system applications. It can also be used to digitize audio and voice signals in consumer products.
The MCP3422A1-E/MS works on an offset binary representation. It uses an internal reference voltage and a digital filter to convert an analog input signal into a digital output. The incoming analog signal is first amplified by the device’s Programmable Gain Amplifier (PGA), which can adjust the gain between 8 and 8192. This amplified signal is then converted to a digital signal using a dual-bit Delta-Sigma modulator. The digital output is then read via an SPI interface.
In summary, the MCP3422A1-E/MS is a powerful dual-channel differential, low-noise Analog-to-Digital converter. It is a highly capable device suitable for industrial, medical and consumer applications and provides an impressive 18-bit resolution, 3 programmable gain amplifiers, and 18.75 samples/second sampling rate. Utilizing an offset binary representation and built-in digital filter and reference voltage, it is capable of converting input analog signals into accurate digital signals quickly and efficiently.
The specific data is subject to PDF, and the above content is for reference
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