Allicdata Part #: | AD977ABRZ-ND |
Manufacturer Part#: |
AD977ABRZ |
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: | AD977ABRZ Datasheet/PDF |
Quantity: | 69 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Number of Bits: | 16 |
Sampling Rate (Per Second): | 200k |
Number of Inputs: | 1 |
Input Type: | Single Ended |
Data Interface: | SPI |
Configuration: | ADC |
Ratio - S/H:ADC: | -- |
Number of A/D Converters: | 1 |
Architecture: | SAR |
Reference Type: | External, Internal |
Voltage - Supply, Analog: | 5V |
Voltage - Supply, Digital: | 5V |
Features: | -- |
Operating Temperature: | -40°C ~ 85°C |
Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
Supplier Device Package: | 20-SOIC |
Base Part Number: | AD977 |
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The AD977ABRZ is an integrated circuit from Analog Devices that functions as an analog-to-digital converter (ADC). This chip is a single-channel 8-bit ADC that provides a highly accurate high-speed performance. The ADC has a wide variety of features that make it a useful component in a wide range of applications.
Application Field
The AD977ABRZ is a versatile device that can be used in a variety of applications that require high-speed analog-to-digital conversion. This device can be used in professional audio systems, medical equipment, ultrasound imaging, industrial process control, automotive test and measurement, and many other fields. The ADC is also suited for use in embedded applications, such as in computers and cell phones. Additionally, this device can be used as a low-cost alternative to more expensive ADCs.
Working Principle
The AD977ABRZ functions as an analog-to-digital converter by using a differential successive approximation scheme. This method consists of the following steps:
- An input signal is converted to a digital code by comparing the analog input signal against a reference voltage,
- The digital code is then stored in an internal register,
- The reference voltage is then shifted to the next significant bit and the comparison is performed again, and
- This process is repeated until all of the bits have been compared.
The ADC can convert signals up to 400kHz, and takes only 8.5 clock cycles to convert an analog input. The converted digital code is then available in the outputs. The accuracy of the ADC is guaranteed in the temperature range -40°C to +85°C.
The AD977ABRZ incorporates several features to improve the accuracy and reduce noise. The digital filter is programmable and allows for a flexible signal recovery. The on-chip oscillator also allows for high resolution operation of the oscillation frequency. Additionally, the gain control and external digital filter are programmable to provide further reduction of noise and improved linearity.
In conclusion, the AD977ABRZ is a versatile analog-to-digital converter suited for a wide range of applications. It is a high-speed 8-bit device that is affordable enough for low cost embedded solutions. The device incorporates several features to improve the accuracy and reduce noise, making it a reliable solution for applications that require reliable and accurate conversion of analog signals to digital signals.
The specific data is subject to PDF, and the above content is for reference
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