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AD7685ARMZ
+BOMIC ADC 16BIT SAR 10MSOP
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ManufacturerAnalog Devices Inc.
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Mfr. Part #AD7685ARMZ
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Datasheet AD7685ARMZ DataSheet
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Package MSOP-10
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In Stock5296
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Specifications
| Attribute | Value |
| 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 |
Overview
Description
This ADC uses a successive approximation register (SAR) architecture, ensuring fast and accurate data conversion. It offers a differential analog input with a wide dynamic range, enhancing performance in various applications. The AD7685 communicates through a serial interface, compatible with SPI, MICROWIRE, and DSP standards, facilitating easy integration with microcontrollers.
The device is housed in a compact MSOP (Mini Small Outline Package), making it suitable for space-constrained applications. Its robust performance and low power consumption make it perfect for precision instrumentation, industrial process control, and portable medical equipment. Overall, the AD7685ARMZ is valued for its high precision, power efficiency, and compact size.
Equivalent
Features
1. Resolution: 16-bit resolution.
2. Throughput Rate: Up to 250 kSPS (kilo-samples per second).
3. Accuracy: Low power with a high accuracy of ±1 LSB (least significant bit) INL (integral nonlinearity).
4. Power Supply: Operates on a single 2.3V to 5.5V power supply.
5. Power Consumption: Extremely low, approximately 3.6 mW at 5 V.
6. Temperature Range: Supports a wide operating temperature range from -40°C to +85°C.
7. Input Type: Provides a true differential analog input range.
8. Interface: SPI-compatible serial interface.
9. Package: Available in a 10-lead MSOP.
10. Compact Size: Its small package makes it ideal for space-constrained applications.
These features make the AD7685ARMZ suitable for applications requiring precise and fast data conversion, such as industrial process control, medical instruments, and data acquisition systems.
Pinout
1. VDD: Power supply pin.
2. GND: Ground reference pin.
3. REF: Reference voltage input pin.
4. IN+: Positive analog input.
5. IN-: Negative analog input.
6. SDI: Serial Data Input for configuration purposes.
7. SCK: Serial Clock input for synchronizing data communication.
8. CNV: Convert input, which initiates a conversion process.
9. SDO: Serial Data Output, which transmits the conversion result.
10. PDREF: Lowers the power dissipation when using an external reference.
The AD7685's main function is to convert an analog signal into a digital output with high accuracy and precision, suitable for various applications in data acquisition, instrumentation, and industrial control systems.