| Allicdata Part #: | 296-39860-2-ND |
| Manufacturer Part#: |
ADS7253IRTER |
| Price: | $ 2.77 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC ADC 12BIT 1MSPS DUAL 16WQFN |
| More Detail: | 12 Bit Analog to Digital Converter 2 Input 2 SAR 1... |
| DataSheet: |  ADS7253IRTER Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 2.77000 |
| 10 +: | $ 2.68690 |
| 100 +: | $ 2.63150 |
| 1000 +: | $ 2.57610 |
| 10000 +: | $ 2.49300 |
Specifications
| Number of A/D Converters: | 2 |
| Base Part Number: | ADS7253 |
| Supplier Device Package: | 16-WQFN (3x3) |
| Package / Case: | 16-WFQFN Exposed Pad |
| Operating Temperature: | -40°C ~ 125°C |
| Features: | Simultaneous Sampling |
| Voltage - Supply, Digital: | 1.65 V ~ 5.5 V |
| Voltage - Supply, Analog: | 5V |
| Reference Type: | External, Internal |
| Architecture: | SAR |
| Series: | -- |
| Ratio - S/H:ADC: | 1:1 |
| Configuration: | S/H-ADC |
| Data Interface: | SPI |
| Input Type: | Pseudo-Differential, Single Ended |
| Number of Inputs: | 2 |
| Sampling Rate (Per Second): | 1M |
| Number of Bits: | 12 |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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ADS7253 is an appropriate choice for several applications involving digital data acquisition where very low power consumption is required. It is an 8-bit analog-to-digital converter (ADC) that takes in an analog voltage from 0 to 5V and outputs an 8-bit digital value representing that same analog voltage. In this article, we will discuss the key features and applications of the ADS7253 and its working principle.
Features and Applications
The ADS7253 is a low-power 8-bit modular A/D converter with a flexible input voltage range of 0-5 V. It features an on-chip sample-and-hold circuit and requires only a single +2.7V to +5.5V supply. It also features an ultra-low power consumption of just 0.6 mW typical at 3V supply. The typical conversion rate is 1.1 M Sa/s which is far more than necessary for most data acquisition applications. The dynamic performance is good, with signal-to-noise ratio (SNR) of 61.3 dB minimum at a signal level of 1V.The ADS7253 can be used for a variety of applications where low power consumption is crucial, such as portable medical, automotive and avionics systems. Additionally, the low dynamic performance allows it to be used for high-precision measurements in temperature, pressure and other physical sensor applications.Working Principle
The ADS7253 is a voltage-input ADC. It converts the input voltage into an equivalent 8-bit digital code, with precision of 0.02 %. This is accomplished through successive approximation, which works as follows:1. The analog voltage is fed into the ADC and is converted into an equivalent digital code.2. The code is then compared to the reference voltage.3. Depending on the comparison result, the next bit is established by using a simple look-up table.4. The process is repeated until the last bit is established, and then the conversion is complete.Conclusion
The ADS7253 is a versatile and low-power 8-bit A/D converter with a flexible input voltage range of 0-5 V. It can be used in a variety of applications where low power consumption and high resolution are required, such as portable medical, automotive and avionics systems. Furthermore, the low dynamic performance allows it to be used for high-precision measurements in temperature, pressure and other physical sensor applications. It works on the principle of successive approximation and is capable of converting the input voltage into an equivalent 8-bit digital code with precision of 0.02 %.The specific data is subject to PDF, and the above content is for reference
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