Overview
The AD7709BRUZ-REEL is a 16-bit sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed to serve as a complete analog front-end for low-frequency measurement applications. It features a high-precision ADC with programmable gain amplifier (PGA) and can be configured as either 2 fully-differential input channels or 4 pseudo-differential input channels. The AD7709 is particularly useful for directly converting low-level input signals from transducers without the need for additional signal conditioning.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Input Channels | 2 fully-differential or 4 pseudo-differential |
| Input Signal Range | 20mV to 2.56V |
| Conversion Technique | Sigma-delta |
| Programmable Gain Amplifier (PGA) | Yes |
| Current Sources | Three software configurable current sources |
| Reference Inputs | Switchable reference inputs |
| Digital I/O Port | 4-bit digital I/O port |
| Package Type | 24-Lead TSSOP |
| Operating Temperature | -40°C to 85°C |
Key Features
- High Precision: The AD7709 features a 16-bit sigma-delta ADC, ensuring high precision and accuracy in low-frequency measurement applications.
- Flexible Input Configuration: The device can be configured as either 2 fully-differential input channels or 4 pseudo-differential input channels.
- Programmable Gain Amplifier (PGA): Allows for adjustable gain settings to accommodate a wide range of input signal levels.
- Current Sources: Includes three software configurable current sources, which can be used for various applications such as sensor excitation.
- Switchable Reference Inputs: Provides flexibility in choosing the reference voltage, enhancing the device's versatility.
- Digital I/O Port: A 4-bit digital I/O port for additional control and communication functions.
- Low Power Consumption: Designed for low power consumption, making it suitable for battery-powered and energy-efficient systems.
Applications
- Industrial Automation: Suitable for measuring low-frequency signals in industrial automation systems, such as pressure, temperature, and vibration sensors.
- Medical Devices: Used in medical devices for precise measurement of physiological signals, such as ECG and EEG.
- Test and Measurement Equipment: Ideal for use in test and measurement equipment where high precision and low noise are critical.
- Aerospace and Defense: Employed in aerospace and defense applications requiring high reliability and precision in signal measurement.
- Environmental Monitoring: Used in environmental monitoring systems to measure parameters like temperature, humidity, and air quality.
Q & A
- What is the resolution of the AD7709BRUZ-REEL ADC?
The AD7709BRUZ-REEL has a resolution of 16 bits.
- How many input channels does the AD7709BRUZ-REEL support?
The device can be configured as either 2 fully-differential input channels or 4 pseudo-differential input channels.
- What is the input signal range of the AD7709BRUZ-REEL?
The input signal range is from 20mV to 2.56V.
- Does the AD7709BRUZ-REEL have programmable gain amplifier (PGA) capabilities?
Yes, it includes a programmable gain amplifier (PGA).
- What type of conversion technique does the AD7709BRUZ-REEL use?
The AD7709BRUZ-REEL uses a sigma-delta conversion technique.
- How many current sources does the AD7709BRUZ-REEL have?
The device includes three software configurable current sources.
- What is the package type of the AD7709BRUZ-REEL?
The package type is 24-Lead TSSOP.
- What is the operating temperature range of the AD7709BRUZ-REEL?
The operating temperature range is -40°C to 85°C.
- Does the AD7709BRUZ-REEL have a digital I/O port?
Yes, it includes a 4-bit digital I/O port.
- What are some common applications of the AD7709BRUZ-REEL?
Common applications include industrial automation, medical devices, test and measurement equipment, aerospace and defense, and environmental monitoring.
