Overview
The AD7946BRM is a high-precision analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed to provide accurate and reliable conversion of analog signals to digital data, making it suitable for a wide range of applications that require high-resolution and low-noise performance.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 20-SOIC (0.295", 7.50 mm Width) |
| Resolution | 14-bit |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 3 V |
| Sampling Rate | 250 kSPS |
| Architecture | Successive Approximation Register (SAR) |
| Signal to Noise Ratio (SNR) | 81 dB |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Differential Nonlinearity (DNL) | ±0.5 LSB |
| Settling Time | 600 ns |
| Input Type | Single-Ended |
| Sample and Hold | Yes |
Key Features
- High-resolution 14-bit analog-to-digital conversion for precise data acquisition.
- Successive Approximation Register (SAR) architecture for efficient and accurate conversion.
- Low noise and high signal-to-noise ratio (SNR) of 81 dB.
- Fast settling time of 600 ns.
- Single-ended input type.
- Integrated sample and hold circuitry.
- Compact 20-SOIC package suitable for space-constrained designs.
Applications
The AD7946BRM is versatile and can be used in various applications, including:
- Medical devices: For precise measurement and data acquisition in medical equipment.
- Industrial automation: For high-accuracy sensing and control systems.
- Aerospace: For reliable and precise data conversion in harsh environments.
- Test and measurement: For high-resolution data acquisition in testing equipment.
- Consumer electronics: For applications requiring high-quality analog-to-digital conversion.
Q & A
- What is the resolution of the AD7946BRM?
The AD7946BRM has a resolution of 14 bits. - What is the maximum supply voltage for the AD7946BRM?
The maximum supply voltage is 5.5 V. - What is the architecture of the AD7946BRM?
The AD7946BRM uses a Successive Approximation Register (SAR) architecture. - What is the signal-to-noise ratio (SNR) of the AD7946BRM?
The SNR is 81 dB. - Does the AD7946BRM have an integrated sample and hold circuit?
Yes, it does. - What is the settling time of the AD7946BRM?
The settling time is 600 ns. - What type of input does the AD7946BRM support?
The AD7946BRM supports single-ended inputs. - What is the package type of the AD7946BRM?
The package type is 20-SOIC (0.295", 7.50 mm Width). - What are some common applications of the AD7946BRM?
Common applications include medical devices, industrial automation, aerospace, test and measurement, and consumer electronics. - What is the minimum supply voltage for the AD7946BRM?
The minimum supply voltage is 3 V.
