
Allicdata Part #: | ADS1212U/1K-ND |
Manufacturer Part#: |
ADS1212U/1K |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC 22-BIT 1MW 1-CHAN A/D 18-SOIC |
More Detail: | 22 Bit Analog to Digital Converter 1 Input 1 Sigma... |
DataSheet: | ![]() |
Quantity: | 1000 |
Specifications
Number of A/D Converters: | 1 |
Base Part Number: | ADS1212 |
Supplier Device Package: | 18-SOIC |
Package / Case: | 18-SOIC (0.295", 7.50mm Width) |
Operating Temperature: | -40°C ~ 85°C |
Features: | PGA |
Voltage - Supply, Digital: | 5V |
Voltage - Supply, Analog: | 5V |
Reference Type: | External, Internal |
Architecture: | Sigma-Delta |
Series: | -- |
Ratio - S/H:ADC: | -- |
Configuration: | PGA-ADC |
Data Interface: | SPI |
Input Type: | Differential |
Number of Inputs: | 1 |
Sampling Rate (Per Second): | 6.25k |
Number of Bits: | 22 |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Description
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The ADS1212U/1K is an Analog-to-Digital Converter (ADC) of the Data Acquisition category. It stands out by its high accuracy and precision, wide input range, low power consumption, and high level of integration, making it particularly suitable for space and power saving applications.The ADS1212U/1K is a 12-bit, one channel differential input ADC providing 13 bits of dynamic range. The device has a wide analog input range of ±200 mV and differential nonlinearity (DNL) of ±1 LSB. It offers low offset error of ≤ 1 μV, and low gain error of ≤ 0.05%. The device\'s on-chip low-pass filter enables a programmable output data rate of up to 100 kSPS when operated from 1 MHz to 6 MHz. It also has an on-chip voltage reference and clock buffer to provide a complete analog front end solution.The working principle of an ADC starts with an input signal that is usually an analog voltage. This input is typically applied to a series of capacitors that can store and then release the analog voltage in order to be converted into a digital signal. This first stage also allows the conversion of any input voltage into a range that can be easily converted. The converted signal is then detected, amplified and filtered in order to remove any noise. The output is then converted into a binary coded format. This digitally coded format uses a serial or parallel output each with their own pros, cons and uses. For example, a serial output can be used to obtain faster conversion rates while a parallel output can be used when there is a need for greater accuracy. The ADS1212U/1K uses an internal low-pass filter to further reduce noise and produce accurate output data values. This allows for a conversion rate of up to 100 kSPS. The device also has an onboard voltage reference which helps to maintain a stable output voltage accuracy.The ADS1212U/1K can be used in a variety of applications such as in portable equipment, telemetry, medical instruments, USB powered sensors, and more. Its high-precision and wide-input range make it the ideal choice for applications where accuracy, power efficiency, and a small form factor are of the utmost importance. Additionally, its on-chip voltage reference and built-in low-pass filter makes the device capable of providing clean and accurate conversions in a single package.In conclusion, the ADS1212U/1K is an ideal solution for applications requiring high accuracy, low power, and a small form factor. Its wide input range, low power consumption, and integrated low-pass filter make it well-suited for use in a variety of applications including portable equipment, telemetry, USB powered sensors, and medical instruments.
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