Overview
The AD7798BRUZ is a precision analog-to-digital converter (ADC) produced by Analog Devices Inc. This 16-bit, low noise, low power Sigma-Delta ADC is designed for high precision measurement applications. It features three differential analog inputs and an on-chip, low noise instrumentation amplifier, allowing it to interface directly with signals of small amplitude. The device is housed in a 16-lead TSSOP package and operates over a wide temperature range of -40°C to 105°C.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7798BRUZ |
| Package Type | 16-TSSOP (0.173, 4.40mm Width) |
| Pin Count | 16 |
| Resolution | 16-bit |
| Number of Analog In Channels | 3 (differential) |
| Supply Voltage (Analog and Digital) | 2.7V to 5.25V |
| Current Consumption | 300 μA (typical) |
| Sampling Rate | 4.17 Hz to 470 Hz (software-programmable) |
| Operating Temperature | -40°C to 105°C |
Key Features
The AD7798BRUZ features several key attributes that make it suitable for precise measurement applications:
- Low Noise and Low Power: The ADC is designed with low noise and low power consumption, making it ideal for battery-powered devices and high precision measurements.
- On-Chip Instrumentation Amplifier: The integrated low noise instrumentation amplifier allows for direct interfacing with small amplitude signals, enhancing the overall measurement accuracy.
- Programmable Output Pins and Internal Clock Oscillator: The device includes programmable digital output pins and an internal clock oscillator, providing flexibility in system design.
- Low-Side Power Switch and Reference Detect: Features such as a low-side power switch and reference detect enhance the device's functionality and reliability.
- Burnout Currents: The ADC includes burnout currents to detect open or short circuits in the sensor, ensuring robust operation).
Applications
The AD7798BRUZ is well-suited for a variety of high precision measurement applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For accurate and reliable measurements in medical equipment.
- Test and Measurement Equipment: For high precision data acquisition and analysis.
- Environmental Monitoring: For measuring various environmental parameters with high accuracy.
Q & A
- What is the resolution of the AD7798BRUZ ADC?
The AD7798BRUZ has a resolution of 16 bits.
- How many analog input channels does the AD7798BRUZ have?
The AD7798BRUZ has three differential analog input channels.
- What is the operating supply voltage range for the AD7798BRUZ?
The operating supply voltage range is from 2.7V to 5.25V.
- What is the typical current consumption of the AD7798BRUZ?
The typical current consumption is 300 μA.
- What is the sampling rate range of the AD7798BRUZ?
The sampling rate can be software-programmable from 4.17 Hz to 470 Hz.
- What type of package does the AD7798BRUZ come in?
The AD7798BRUZ is housed in a 16-lead TSSOP package.
- What is the operating temperature range of the AD7798BRUZ?
The operating temperature range is from -40°C to 105°C.
- Does the AD7798BRUZ have an on-chip instrumentation amplifier?
Yes, the AD7798BRUZ includes an on-chip, low noise instrumentation amplifier).
- What are some common applications for the AD7798BRUZ?
- Is there an evaluation board available for the AD7798BRUZ?
Yes, the EVAL-AD7798EBZ is a fully featured evaluation board available for the AD7798BRUZ).
