Overview
The AD7739BRUZ-REEL7 is a high-precision, high-throughput analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for high-resolution multiplexing applications and features a delta-sigma modulator and a digital filter to process analog signals. It is particularly suited for industrial instrumentation, process control, and PLC/DCS systems due to its high accuracy and flexibility.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 8 single-ended or 4 fully differential | - | - |
| Resolution | 24-bit | - | - |
| Conversion Rate | Up to 15 kHz | - | - |
| Analog Input Ranges | ±625 mV, ±1.25 V, ±2.5 V, etc. | V | Unipolar and bipolar options |
| Analog Supply Voltage | 5 V | V | Nominal |
| Digital Supply Voltage | 3 V or 5 V | V | - |
| Interface | SPI, QSPI, MICROWIRE, DSP compatible | - | 3-wire serial interface |
| Operating Temperature | -40°C to +105°C | °C | - |
| Package | 24-lead TSSOP | - | - |
Key Features
- High Precision and Throughput: Achieves true 16-bit p-p resolution with a total conversion time of 250 μs, making it ideal for high-resolution multiplexing applications.
- Flexible Input Configurations: Supports eight single-ended or four fully differential input channels with various unipolar and bipolar ranges.
- Configurable Digital Interface: Allows users to balance noise performance against data throughput via a simple digital interface.
- Single-Supply Operation: Operates with a single 5 V analog supply and 3 V or 5 V digital supply.
- Robust Interface Options: Compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- High Operating Temperature Range: Functional from -40°C to +105°C.
Applications
- PLCs/DCSs: Suitable for programmable logic controllers and distributed control systems.
- Multiplexing Applications: Ideal for high-resolution multiplexing due to its fast conversion rates and high precision.
- Process Control: Used in various process control systems requiring accurate and reliable data acquisition.
- Industrial Instrumentation: Applied in industrial instrumentation for precise measurement and data conversion.
Q & A
- What is the resolution of the AD7739BRUZ-REEL7 ADC?
The AD7739BRUZ-REEL7 has a 24-bit resolution.
- How many input channels does the AD7739BRUZ-REEL7 support?
The AD7739BRUZ-REEL7 supports eight single-ended or four fully differential input channels.
- What are the analog input voltage ranges for the AD7739BRUZ-REEL7?
The analog input voltage ranges include ±625 mV, ±1.25 V, ±2.5 V, among others.
- What is the operating temperature range of the AD7739BRUZ-REEL7?
The operating temperature range is from -40°C to +105°C.
- What types of interfaces does the AD7739BRUZ-REEL7 support?
The AD7739BRUZ-REEL7 supports SPI, QSPI, MICROWIRE, and DSP compatible interfaces.
- What is the package type of the AD7739BRUZ-REEL7?
The package type is a 24-lead TSSOP.
- Can the AD7739BRUZ-REEL7 be used in multiplexing applications?
Yes, it is highly suitable for high-resolution multiplexing applications due to its fast conversion rates and high precision.
- What are some common applications of the AD7739BRUZ-REEL7?
Common applications include PLCs/DCSs, process control, industrial instrumentation, and multiplexing applications.
- How does the AD7739BRUZ-REEL7 balance noise performance and data throughput?
The AD7739BRUZ-REEL7 allows users to balance noise performance against data throughput via a simple digital interface.
- What is the typical conversion time for the AD7739BRUZ-REEL7?
The total conversion time is 250 μs (4 kHz channel switching).
