Overview
The AD7854BRZ is a 12-bit, single-supply, parallel output analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high accuracy and reliability in various data acquisition applications. It operates on a single supply voltage of 5V and features a sampling rate of up to 200 kSPS. The AD7854BRZ is part of the AD7854 series, known for its precise sampling and robust performance.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | Single channel |
| Interface Type | Parallel |
| Sampling Rate | 200 kS/s |
| Input Type | Single-ended |
| Architecture | SAR (Successive Approximation Register) |
| SNR - Signal to Noise Ratio | 72 dB |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| DNL - Differential Nonlinearity | ±1 LSB |
| INL - Integral Nonlinearity | ±1 LSB |
| Gain Error | ±5 LSB |
| Operating Supply Voltage | 5 V |
| Power Consumption | 25 mW |
| Package Type | 28-SOIC |
| Mounting Style | SMD/SMT |
Key Features
- High Accuracy: The AD7854BRZ offers high accuracy with low differential nonlinearity (DNL) and integral nonlinearity (INL) of ±1 LSB.
- Fast Sampling Rate: It supports a sampling rate of up to 200 kSPS, making it suitable for high-speed data acquisition applications.
- Single Supply Operation: The device operates on a single 5V supply voltage, simplifying system design.
- Parallel Output: It features a parallel output interface, facilitating easy integration with microprocessors and other digital systems.
- Sample and Hold Capability: The ADC includes a sample and hold circuit, ensuring accurate conversion of the input signal.
- Wide Operating Temperature Range: The device operates over a temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
Applications
- Data Acquisition Systems: The AD7854BRZ is ideal for data acquisition systems that require high accuracy and fast sampling rates.
- Industrial Control Systems: It is used in industrial control systems for precise measurement and monitoring of analog signals.
- Medical Devices: The device is suitable for medical devices that require accurate and reliable analog-to-digital conversion.
- Aerospace and Defense: Its robust performance and wide operating temperature range make it a good fit for aerospace and defense applications.
Q & A
- What is the resolution of the AD7854BRZ?
The AD7854BRZ has a resolution of 12 bits.
- What is the sampling rate of the AD7854BRZ?
The AD7854BRZ supports a sampling rate of up to 200 kSPS.
- What type of interface does the AD7854BRZ use?
The AD7854BRZ features a parallel output interface.
- What is the operating supply voltage of the AD7854BRZ?
The device operates on a single 5V supply voltage.
- Does the AD7854BRZ include a sample and hold circuit?
Yes, the AD7854BRZ includes a sample and hold circuit.
- What is the operating temperature range of the AD7854BRZ?
The device operates over a temperature range of -40°C to +85°C.
- What is the power consumption of the AD7854BRZ?
The power consumption of the AD7854BRZ is 25 mW.
- What type of package does the AD7854BRZ come in?
The AD7854BRZ comes in a 28-SOIC package.
- Is the AD7854BRZ suitable for high-speed data acquisition applications?
Yes, the AD7854BRZ is suitable for high-speed data acquisition applications due to its fast sampling rate and high accuracy.
- What are some common applications of the AD7854BRZ?
The AD7854BRZ is commonly used in data acquisition systems, industrial control systems, medical devices, and aerospace and defense applications.
