Overview
The AD7724AST-REEL, manufactured by Analog Devices Inc., is a high-performance integrated circuit designed for precise analog-to-digital conversion. This device features two seventh-order sigma-delta modulators, each converting its analog input signal into a high-speed 1-bit data stream. The AD7724AST-REEL is widely used in various industries for high-accuracy sensor interfacing and data acquisition applications.
The IC operates from a wide range of supply voltages (2.85V to 5.25V) and is packaged in a compact 48-LQFP (7x7) surface mount package. Despite being marked as obsolete, it remains a critical component in many existing systems due to its robust performance and reliability.
Key Specifications
| Specification | Value |
|---|---|
| Product Status | Obsolete |
| Type | Modulator |
| Number of Channels | 2 |
| Resolution (Bits) | 15 bits |
| Sampling Rate (Per Second) | 250k |
| Data Interface | Serial |
| Voltage Supply Source | Analog and Digital |
| Voltage - Supply | 2.85V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package | 48-LQFP (7x7) |
Key Features
- 15-bit resolution for high-accuracy conversions
- 250k serial modulator with two channels
- Operates from a wide range of supply voltages (2.85V to 5.25V)
- Compact 48-LQFP (7x7) surface mount package
- Utilizes sigma-delta conversion technique for low noise performance
- Supports serial data interface for easy integration with microcontrollers or processing units
Applications
- Laboratory instruments and test equipment calibration
- Industrial automation systems and digital instrumentation
- Instrumentation and control systems
- Medical device industry for patient monitoring systems, such as measuring vital signs like blood pressure and temperature
Q & A
- Q: What is the resolution of the AD7724AST-REEL?
A: The AD7724AST-REEL has a resolution of 15 bits.
- Q: How many channels does the AD7724AST-REEL have?
A: The AD7724AST-REEL has two channels.
- Q: What is the sampling rate of the AD7724AST-REEL?
A: The sampling rate of the AD7724AST-REEL is 250k per second.
- Q: What is the operating temperature range of the AD7724AST-REEL?
A: The operating temperature range is -40°C to 85°C.
- Q: What type of package does the AD7724AST-REEL use?
A: The AD7724AST-REEL is packaged in a 48-LQFP (7x7) surface mount package.
- Q: What are the typical applications of the AD7724AST-REEL?
A: Typical applications include laboratory instruments, test equipment calibration, industrial automation systems, digital instrumentation, and medical device industry for patient monitoring.
- Q: How does the AD7724AST-REEL handle analog input signals?
A: The AD7724AST-REEL employs a sigma-delta conversion technique to convert the analog input into a high-speed 1-bit data stream.
- Q: What is the voltage supply range for the AD7724AST-REEL?
A: The voltage supply range is 2.85V to 5.25V.
- Q: Is the AD7724AST-REEL RoHS compliant?
A: No, the AD7724AST-REEL is not RoHS compliant.
- Q: What is the process for returning or replacing the AD7724AST-REEL if it is defective?
A: The return or replacement process involves informing the supplier within 90 days, obtaining a return authorization, and returning the product in its original packaging and unused condition.
