Overview
The AD7796BRUZ-REEL is a 16-bit, low-power, sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is specifically designed for use with bridge sensors and features a high level of precision and low noise, making it suitable for a variety of applications requiring accurate analog-to-digital conversion.
The AD7796BRUZ-REEL is housed in a 16-lead TSSOP package and operates over a temperature range of –40°C to +85°C. It includes an internal temperature sensor and an instrumentation amplifier, allowing for direct interface with bridge sensors and providing temperature compensation capabilities.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 16 bits |
| Output Update Rate | Range of output data rates | 4.17 Hz to 123 Hz |
| RMS Noise | Noise level | 65 nV |
| Power Supply Range | Voltage range of power supply | 2.7 V to 5.25 V |
| Current Consumption | Typical current consumption | 250 µA |
| Power-Down Current | Current in power-down mode | 1 µA |
| Package Type | Physical package | 16-lead TSSOP (0.173", 4.40mm Width) |
| Temperature Range | Operating temperature range | –40°C to +85°C |
| Differential Input Voltage Range | Range of differential input voltage | ±VREF/128 V nom (VREF = REFIN(+) – REFIN(–)) |
Key Features
- High Precision: The AD7796BRUZ-REEL offers high resolution and low noise, making it ideal for precise measurements.
- Low Power Consumption: The device consumes a typical current of 250 µA and has a power-down mode consuming only 1 µA.
- Internal Temperature Sensor: Includes an internal temperature sensor for temperature compensation of bridge sensors.
- Instrumentation Amplifier: Features a built-in instrumentation amplifier with a fixed gain of 128, allowing direct interface with bridge sensors.
- Software-Programmable Output Data Rate: The output data rate can be varied from 4.17 Hz to 123 Hz.
- Simultaneous 50 Hz/60 Hz Rejection: Capable of rejecting both 50 Hz and 60 Hz noise.
Applications
- Bridge Sensor Applications: Designed specifically for use with bridge sensors, such as those in weigh scales, pressure sensors, and strain gauges.
- Industrial Automation: Suitable for various industrial automation applications requiring precise analog-to-digital conversion.
- Medical Devices: Can be used in medical devices that require high precision and low noise, such as patient monitoring systems.
- Aerospace and Defense: Applicable in aerospace and defense systems where high accuracy and reliability are crucial.
Q & A
- What is the resolution of the AD7796BRUZ-REEL?
The AD7796BRUZ-REEL has a resolution of 16 bits.
- What is the typical current consumption of the AD7796BRUZ-REEL?
The device consumes a typical current of 250 µA.
- What is the operating temperature range of the AD7796BRUZ-REEL?
The operating temperature range is –40°C to +85°C.
- Does the AD7796BRUZ-REEL have an internal temperature sensor?
Yes, it includes an internal temperature sensor for temperature compensation of bridge sensors.
- What is the power supply range for the AD7796BRUZ-REEL?
The power supply range is from 2.7 V to 5.25 V.
- Can the output data rate of the AD7796BRUZ-REEL be adjusted?
Yes, the output data rate can be varied from 4.17 Hz to 123 Hz through software programming.
- What type of package does the AD7796BRUZ-REEL come in?
The device is housed in a 16-lead TSSOP package.
- Does the AD7796BRUZ-REEL have built-in noise rejection capabilities?
Yes, it has simultaneous 50 Hz/60 Hz noise rejection capabilities.
- What are some common applications of the AD7796BRUZ-REEL?
Common applications include bridge sensor applications, industrial automation, medical devices, and aerospace and defense systems.
- How does the AD7796BRUZ-REEL handle power-down mode?
In power-down mode, the device consumes only 1 µA.
