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AD7892AR-1
+Lista de MateriaisIC ADC 12BIT SAR 24SOIC
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7892AR-1
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Ficha Técnica AD7892AR-1 DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Obsolete |
| NumberofBits | 12 |
| SamplingRate(PerSecond) | 500k |
| NumberofInputs | 2 |
| InputType | Single Ended |
| DataInterface | SPI, Parallel |
| Configuration | S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | SAR |
| ReferenceType | External, Internal |
| Voltage-Supply,Analog | 5V |
| Voltage-Supply,Digital | 5V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 24-SOIC (0.295", 7.50mm Width) |
| SupplierDevicePackage | 24-SOIC |
| MountingType | Surface Mount |
| BaseProductNumber | AD7892 |
Visão Geral
Description
Key features include a low power consumption of just 15 mW, an internal reference, and a flexible serial interface that supports both SPI and serial modes for easy integration with microcontrollers and digital signal processors. The AD7892AR-1 also includes a differential input configuration, enabling it to reject common-mode noise effectively.
Its applications span several fields, including industrial automation, medical instrumentation, and data acquisition systems. The compact package and robust performance make the AD7892AR-1 an ideal choice for engineers seeking reliable and precise analog-to-digital conversion in their designs.
Equivalent
Features
1. Sampling Rate: Up to 1 MHz, allowing for fast data acquisition.
2. Resolution: 12-bit resolution for precise measurements.
3. Input Voltage Range: Typically 0V to VREF, supporting a broad range of input signals.
4. Interface: Serial interface (SPI-compatible) for easy integration with microcontrollers and digital systems.
5. Power Supply: Dual supply operation (+5V for digital and +5V or +10V for analog).
6. Low Power Consumption: Operates at low power levels, suitable for battery-operated devices.
7. Differential Input: Provides differential analog inputs for noise reduction and improved signal integrity.
8. Fast Settling Time: Quick settling time enhances overall system response.
9. Built-in Sample and Hold Circuit: Ensures stable input during conversion.
These features make the AD7892AR-1 suitable for various applications, including industrial process control, data acquisition systems, and instrumentation.
Pinout
Key functions of its pins include:
1. Analog Inputs: IN+ and IN- for differential input.
2. Digital Output: D0 to D11 for the 12-bit digital output.
3. Control Pins: CS (Chip Select), RD (Read), WR (Write), and CLK (Clock) for controlling the ADC operation.
4. Power Supply Pins: VDD for the positive supply and GND for ground.
5. Reference Voltage: VREF and REFOUT for stable reference voltage generation.
6. Conversion Control: CONVST for starting the conversion process.
The AD7892AR-1 is designed for high-speed data acquisition and offers features like simultaneous sampling and an internal reference.
Manufacturer
Application
1. Industrial Automation: For monitoring and controlling machinery.
2. Medical Equipment: In devices like ECGs and imaging systems for accurate signal processing.
3. Instrumentation: In test and measurement devices for capturing analog signals.
4. Communications: For signal processing in telecom equipment.
5. Data Acquisition Systems: In both scientific research and environmental monitoring.
Its high-speed conversion rate and resolution make it suitable for various demanding applications.