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AD7685CRMZ
+Lista de MateriaisIC ADC 16BIT SAR 10MSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7685CRMZ
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Ficha Técnica AD7685CRMZ DataSheet
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Pacote MSOP-10
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Especificações
| Atributo | Valor |
| Package | Bulk,Tube |
| Series | PulSAR® |
| ProductStatus | Active |
| NumberofBits | 16 |
| SamplingRate(PerSecond) | 250k |
| NumberofInputs | 1 |
| InputType | Pseudo-Differential |
| DataInterface | SPI, DSP |
| Configuration | S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | SAR |
| ReferenceType | External |
| Voltage-SupplyAnalog | 2.3V ~ 5.5V |
| Voltage-SupplyDigital | 2.3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
| SupplierDevicePackage | 10-MSOP |
Visão Geral
Description
Key highlights of the AD7685 include its low power consumption, typically around 3.3 mW at 2.5V, which is beneficial for battery-powered and portable devices. It employs a successive approximation register (SAR) architecture, ensuring fast and accurate conversions. The ADC offers excellent DC performance, with a low total unadjusted error and high linearity.
The AD7685CRMZ is housed in a 10-lead MSOP package, making it compact and easy to integrate into space-constrained designs. It is commonly used in applications such as industrial process controls, medical instruments, and precision measurement systems due to its reliability and high performance.
Equivalent
1. TI ADS8326 - A 16-bit, 250 kSPS ADC.
2. Microchip MCP33131D-10 - A 16-bit, 1 MSPS ADC.
3. Maxim Integrated MAX11100 - A 16-bit, 500 kSPS ADC.
4. Linear Technology LTC2368-16 - A 16-bit, 500 kSPS ADC.
Each alternative should be evaluated for specific application compatibility regarding sampling rate, power consumption, and packaging.
Features
The device utilizes a successive approximation register (SAR) architecture, providing accurate and reliable data conversion. It offers excellent linearity and low noise performance, with a signal-to-noise ratio (SNR) of 91 dB and a total harmonic distortion (THD) of -110 dB. The AD7685CRMZ includes a versatile serial interface that supports SPI and other common protocols, ensuring easy integration with microcontrollers and DSPs.
Additionally, it features an internal clock and offers both unipolar and bipolar input ranges, enhancing its flexibility. Its small MSOP package makes it suitable for space-constrained applications. These features make the AD7685CRMZ ideal for precision measurement, data acquisition, and instrumentation applications.
Pinout
Here is a brief overview of the pin functions:
1. VDD: Power supply pin.
2. GND: Ground pin.
3. REF: Reference voltage input pin.
4. IN+: Positive input pin for the analog signal.
5. IN-: Negative input pin for the analog signal.
6. SDI: Serial data input pin, used for configuration.
7. SDO: Serial data output pin, provides the conversion data.
8. SCK: Serial clock input pin, used to synchronize data transfer.
9. CNV: Convert start input pin, initiates conversion when triggered.
10. PDREF: Power down reference pin, used to manage power consumption.
The device is suitable for various applications, including data acquisition systems and instrumentation, due to its high resolution, low power consumption, and small package size.
Manufacturer
Application
1. Data Acquisition Systems: Utilized in industrial and laboratory instruments for accurate data capture.
2. Medical Equipment: Used in devices like portable medical instruments for precise measurements.
3. Automotive Systems: Employed in advanced driver-assistance systems (ADAS) for sensor data processing.
4. Control Systems: Integrated into industrial automation and control systems for monitoring and feedback.
5. Communications: Used in signal processing for telecommunications equipment.
These applications leverage its fast sampling rate, low noise, and power efficiency.