| Allicdata Part #: | AD977AAR-ND |
| Manufacturer Part#: |
AD977AAR |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Analog Devices Inc. |
| Short Description: | IC ADC 16BIT 200KSPS 20-SOIC |
| More Detail: | 16 Bit Analog to Digital Converter 1 Input 1 SAR 2... |
| DataSheet: |  AD977AAR Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Number of A/D Converters: | 1 |
| Base Part Number: | AD977 |
| Supplier Device Package: | 20-SOIC |
| Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
| Operating Temperature: | -40°C ~ 85°C |
| Features: | -- |
| Voltage - Supply, Digital: | 5V |
| Voltage - Supply, Analog: | 5V |
| Reference Type: | External, Internal |
| Architecture: | SAR |
| Series: | -- |
| Ratio - S/H:ADC: | -- |
| Configuration: | ADC |
| Data Interface: | SPI |
| Input Type: | Single Ended |
| Number of Inputs: | 1 |
| Sampling Rate (Per Second): | 200k |
| Number of Bits: | 16 |
| Part Status: | Obsolete |
| Packaging: | Tube |
Description
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The Analog-to-Digital Converter (ADC) is an integral component of many electronic systems, converting an analog electrical signal into a digital one. AD977AAR is one of the most versatile ADC\'s in the market. It is compact, robust and can provide excellent performance in many applications. In this article, we will discuss the applications of the AD977AAR, as well as its working principle.
The AD977AAR is a high-performance voltage-output analog-to-digital converter (ADC). It is a low-power, cost-effective solution for many signal measurement applications. It is ideal for automotive, industrial and medical applications where accurate signal measurement is needed. It is suitable for use in harsh environments since it has high immunity to electrical noise, humidity and temperature fluctuations.
The AD977AAR has a working range of ±2.5V and can be used with its common programming interface, the I2C. It can be configured to either a voltage or current output mode, allowing users to configure it to meet their specific needs. It provides a sampling rate of up to 1 MHz and has 16-bit resolution. The AD977AAR also has an input to measure frequencies up to 700 kHz, making it ideal for audio and video applications.
One of the key features of the AD977AAR is its dual-level noise cancellation. This feature enables the device to reduce both low- and high-frequency noise, allowing for better signal quality and easier system integration. The device also has an onboard DAC to provide a digital calibration reference level, ensuring precision and accuracy.
The AD977AAR is an ideal ADC for automotive, industrial and medical applications. It is used in car audio systems to convert sound into digital signals, as well as in medical devices for measuring vital signs and other biological signals. It is also commonly used in industrial automation systems to measure temperature, pressure, and other physical parameters. Furthermore, the device is used in industrial and aerospace applications where it is important to monitor the environment.
The working principle of the AD977AAR is based on the concept of delta-sigma modulation. This is a technique in which an analog signal is sampled and quantized, resulting in a digital representation of the signal. The ADC uses a 1-bit delta-sigma modulator with a noise-shaping filter to convert the analog signal into a digital signal.
The AD977AAR consists of an input circuit, a 1-bit delta-sigma modulator, a noise-shaping filter, and a digital-to-analog converter (DAC). The input circuit samples the input analog signal and the 1-bit modulator converts the analog signal into a digital signal. The noise-shaping filter then reduces the noise present in the digital signal to improve its resolution. Finally, the DAC converts the digital signal into an analog output, which can then be used by the application.
In conclusion, the AD977AAR is an ideal analog-to-digital converter for many industrial, automotive, and medical applications. It features high immunity to electrical noise, humidity and temperature fluctuations, as well as a working range of ±2.5V. Additionally, the device has dual-level noise cancellation, a sampling rate of up to 1 MHz, and an onboard DAC for calibration and accuracy. Its working principle is based on delta-sigma modulation, in which an analog signal is sampled and quantized, resulting in a digital representation.
The specific data is subject to PDF, and the above content is for reference
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