Overview
The AD7739BRU is a high-precision 24-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for demanding data acquisition systems, offering true bipolar input ranges and high-resolution conversions. It is part of the AD7739 series, known for its robust performance in industrial and professional-grade applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | AD7739BRU | |
| Resolution | 24 bits | |
| Number of Input Channels | 4 or 8 | |
| Input Type | Differential, Single Ended | |
| Input Ranges | ±625 mV, ±1.25 V, ±2.5 V | |
| Sampling Rate | Up to 15.1 k samples per second | |
| Analog Supply Voltage | 5 V | |
| Digital Supply Voltage | 2.7 V to 3.6 V or 5 V | |
| Package | 24-TSSOP (0.173", 4.40mm Width) | |
| Operating Temperature | -40°C to 105°C | |
| Data Interface | SPI, DSP | |
| Architecture | Sigma-Delta | |
| Reference Type | External |
Key Features
- True Bipolar Input Range: Supports both unipolar and bipolar input ranges.
- High Resolution: 24-bit resolution for precise data acquisition.
- Flexible Input Channels: Configurable for 4 or 8 input channels.
- High-Speed Sampling: Up to 15.1 k samples per second.
- Low Noise Performance: High accuracy and low noise characteristics.
- Flexible Interface Options: Compatible with SPI, DSP, QSPI, and MICROWIRE interfaces.
- Single-Supply Operation: Operates with a single 5 V analog supply and 2.7 V to 3.6 V or 5 V digital supply.
- Durable Construction: Designed for long-lasting performance in demanding environments.
Applications
- Industrial Control Systems: Suitable for PLCs, DCSs, and process control systems.
- Instrumentation: Used in various industrial instrumentation applications.
- Medical Devices: Ideal for high-precision medical device applications.
- Precision Data Acquisition Systems: Optimized for high-resolution multiplexing applications.
Q & A
- What is the resolution of the AD7739BRU ADC?
The AD7739BRU has a 24-bit resolution.
- How many input channels does the AD7739BRU support?
The AD7739BRU supports either 4 or 8 input channels.
- What are the input ranges for the AD7739BRU?
The input ranges include ±625 mV, ±1.25 V, and ±2.5 V.
- What is the sampling rate of the AD7739BRU?
The sampling rate is up to 15.1 k samples per second.
- What are the supply voltage requirements for the AD7739BRU?
The AD7739BRU requires a single 5 V analog supply and 2.7 V to 3.6 V or 5 V digital supply.
- What package type is the AD7739BRU available in?
The AD7739BRU is available in a 24-TSSOP package.
- What is the operating temperature range for the AD7739BRU?
The operating temperature range is -40°C to 105°C.
- Is the AD7739BRU RoHS compliant?
No, the AD7739BRU is not RoHS compliant. However, the AD7739BRUZ, which is RoHS compliant, is recommended as a replacement.
- What data interfaces does the AD7739BRU support?
The AD7739BRU supports SPI, DSP, QSPI, and MICROWIRE interfaces.
- What are some typical applications of the AD7739BRU?
Typical applications include industrial control systems, instrumentation, medical devices, and precision data acquisition systems.
