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AD7985BCPZ
+Lista de MateriaisIC ADC 16BIT SAR 20LFCSP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7985BCPZ
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Especificações
| Atributo | Valor |
| Series | PulSAR® |
| PartStatus | Active |
| NumberofBits | 16 |
| SamplingRate(PerSecond) | 2.5M |
| 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, Internal |
| Voltage-Supply,Analog | 2.375V ~ 2.625V |
| Voltage-Supply,Digital | 2.375V ~ 2.625V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 20-WFQFN Exposed Pad, CSP |
| SupplierDevicePackage | 20-LFCSP (4x4) |
| MountingType | Surface Mount |
| BaseProductNumber | AD7985 |
Visão Geral
Description
The AD7985 incorporates an internal reference and offers a differential input range, allowing for improved noise immunity and signal integrity. It communicates via a serial interface, supporting both SPI and a simple parallel interface, which enhances its flexibility in integration with various microcontrollers and digital signal processors.
Additionally, it includes features like low power consumption, high linearity, and low total harmonic distortion (THD), which make it ideal for precision measurement tasks. The compact BCPZ package facilitates easy integration into space-constrained designs.
Equivalent
1. MCP3561 (Microchip)
2. LTC2375 (Analog Devices)
3. ADS124S08 (Texas Instruments)
4. MAX11615 (Maxim Integrated)
These alternatives may vary in specifications like resolution, sampling rate, and interface options, so careful comparison is recommended for your specific application.
Features
1. Resolution: 16-bit resolution for precise analog signal conversion.
2. Sampling Rate: Up to 1 MSPS (mega samples per second), enabling fast data acquisition.
3. Input Voltage Range: Supports single-ended input in the range of 0 to VREF (reference voltage).
4. Reference Voltage: Utilizes an internal reference or an external reference for flexibility.
5. Low Power Consumption: Operates with low power, typically around 15 mW, making it suitable for battery-operated devices.
6. Serial Interface: Communicates via a serial interface (SPI), facilitating easy integration with microcontrollers and DSPs.
7. Power-Down Mode: Includes a power-down feature to conserve energy when not in use.
8. Temperature Range: Rated for operation from -40°C to +125°C, ensuring reliability in harsh environments.
These features make the AD7985BCPZ ideal for industrial, medical, and communication applications requiring high accuracy and speed.
Pinout
### Pin Functions:
1. Power Supply Pins:
- AVDD: Analog power supply (2.5V).
- DVDD: Digital power supply (2.5V).
2. Input Pins:
- VINP/VINN: Differential analog input.
3. Digital Interface:
- SCLK: Serial clock input.
- DIN: Data input.
- DOUT: Data output.
- CS: Chip select.
- CONVST: Conversion start signal.
4. Reference Pins:
- REFP/REFN: Reference voltage pins.
5. Ground Pins:
- AGND: Analog ground.
- DGND: Digital ground.
6. Miscellaneous:
- SDO: Serial data out.
- ALERT: Alert pin for fault indication.
This configuration allows the AD7985BCPZ to interface effectively in various applications requiring high-resolution data conversion.
Manufacturer
ADI is known for its expertise in signal processing and offers a wide range of products, including amplifiers, converters, sensors, and other signal chain components. The AD7985BCPZ is a 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) that provides high performance in terms of speed and power consumption, making it suitable for demanding applications such as precision instrumentation and data acquisition systems.
With a strong focus on innovation and quality, Analog Devices serves diverse markets, helping to drive advancements in technology across multiple sectors. Their commitment to research and development positions them as a key player in the semiconductor industry.