
Allicdata Part #: | AD7477AARMZ-ND |
Manufacturer Part#: |
AD7477AARMZ |
Price: | $ 5.22 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Analog Devices Inc. |
Short Description: | IC ADC 10BIT 1MSPS 8-MSOP |
More Detail: | 10 Bit Analog to Digital Converter 1 Input 1 SAR 8... |
DataSheet: | ![]() |
Quantity: | 47 |
1 +: | $ 4.75020 |
50 +: | $ 4.09412 |
100 +: | $ 3.55484 |
500 +: | $ 3.09550 |
1000 +: | $ 2.69608 |
Number of A/D Converters: | 1 |
Base Part Number: | AD7477 |
Supplier Device Package: | 8-MSOP |
Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
Operating Temperature: | -40°C ~ 85°C |
Features: | -- |
Voltage - Supply, Digital: | 2.7 V ~ 5.25 V |
Voltage - Supply, Analog: | 2.7 V ~ 5.25 V |
Reference Type: | Supply |
Architecture: | SAR |
Series: | -- |
Ratio - S/H:ADC: | 1:1 |
Configuration: | S/H-ADC |
Data Interface: | SPI, DSP |
Input Type: | Single Ended |
Number of Inputs: | 1 |
Sampling Rate (Per Second): | 1M |
Number of Bits: | 10 |
Part Status: | Active |
Packaging: | Tube |
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Analog-to-digital converters (ADCs) are devices used to convert continuous analog signals into a digital signal. With an increasing need for analog signals to be successfully read and processed by digital systems, the development of such devices has become increasingly important. One popular example is the AD7477AARMZ, an 8-bit analog-to-digital converter with an integrated ADC, manufactured by Analog Devices. It is suitable for a range of different application fields, from controlling house appliances to designing media devices. This article will discuss the AD7477AARMZ application field and working principle.
Application Field
The AD7477AARMZ 8-bit analog-to-digital converter is suitable for a wide range of application fields. It can be used in digital control systems, such as those in production lines, factory automation systems, and HVAC (heating, ventilation, and air conditioning) systems, as well as for interactive media applications. It is optimized for low-power applications and its low-voltage operation makes it ideal for designing portable devices. It is also suitable for connecting higher-level audio components, allowing audio signals to be transmitted and processed digitally. Additionally, its high accuracy and fast conversion times make it ideal for industrial applications requiring fast and accurate readings.
Working Principle
The AD7477AARMZ 8-bit analog-to-digital converter has an integrated linear microcontroller-compatible ADC. It operates on a single supply of 2.7V to 5.5V, allowing it to be used with a range of different power sources. The device features an on-board low-noise, low-power amplifier that amplifies and buffets the signal, allowing for better accuracy in the conversion process. The ADC includes an 8-bit flash-capable SAR (Successive Approximation Register). This works by first converting the analog input into digital form and then analyzing the data against a set of intervals until the optimal interval is found. Once the optimal interval is found, the SAR converts that interval into a 8-bit binary number, which is then outputted. Additionally, two reference inputs are required which generate the lower and upper reference voltages for the conversion process.
In addition to its integrated amplifier and SAR, the AD7477AARMZ also features high sampling rate and low-power modes of operation. The maximum sampling rate of the device is 100ksps making it suitable for many industrial applications. The low-power mode reduces the power consumption of the ADC, resulting in a reduction of power usage without compromising on accuracy. It allows the device to be used in energy-strapped environment, such as battery-powered devices.
Conclusion
The AD7477AARMZ 8-bit analog-to-digital converter is an ideal choice for applications requiring high accuracy and low power consumption. Its integrated amplifier and SAR unit, combined with its low-power modes of operation make it suitable for a range of different application fields. Its 8-bit resolution, coupled with its fast sampling rate, make it an ideal choice for many industrial applications, as well as interactive media devices. Its wide power operating range of 2.7V to 5.5V, means that it can be used in both portable and non-portable devices.
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