Overview
The AD7948BRSZ-REEL is a 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is designed to offer high performance and low power consumption, making it suitable for a variety of applications. It replaces industry-standard DACs such as the AD7543, AD7545, and AD7548, providing superior speed and power efficiency. The AD7948 is available in several package options, including 20-lead DIP, SOP, and SSOP, ensuring flexibility in design and implementation.
Key Specifications
| Parameter | Value | Units | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 12 bits | ||
| Relative Accuracy | ±1 LSB | VREF = 10 V | |
| Power Supply Range | 4.5 V to 5.5 V | V | Normal Mode Operation |
| Power Supply Range (Biased Mode) | 3.3 V to 5 V | V | |
| Power Consumption (Typical) | 25 µW | W | No STB Signal, SRO Open Circuit |
| Operating Temperature Range | -40 to 85 °C | °C | |
| Settling Time | 0.6 µs | µs | |
| Interface | Byte, Parallel |
Key Features
- High resolution of 12 bits, providing precise analog output.
- Low power consumption, typically 25 µW, making it suitable for power-sensitive applications.
- Flexible power supply options: 4.5 V to 5.5 V for normal mode and 3.3 V to 5 V for biased mode.
- Fast settling time of 0.6 µs, ensuring quick response to input changes.
- Parallel byte interface for efficient data transfer.
- Available in various package options including 20-lead DIP, SOP, and SSOP.
Applications
The AD7948BRSZ-REEL is versatile and can be used in a variety of applications, including:
- Industrial control systems where precise analog outputs are required.
- Aerospace and defense systems due to its robust performance over a wide temperature range.
- Medical devices that demand high accuracy and low power consumption.
- Automotive systems where reliability and precision are critical.
- Consumer electronics requiring efficient and accurate digital-to-analog conversion.
Q & A
- What is the resolution of the AD7948BRSZ-REEL?
The AD7948BRSZ-REEL has a resolution of 12 bits. - What are the power supply options for the AD7948BRSZ-REEL?
The power supply range is 4.5 V to 5.5 V for normal mode and 3.3 V to 5 V for biased mode. - What is the typical power consumption of the AD7948BRSZ-REEL?
The typical power consumption is 25 µW. - What is the settling time of the AD7948BRSZ-REEL?
The settling time is 0.6 µs. - What interface does the AD7948BRSZ-REEL use?
The AD7948BRSZ-REEL uses a parallel byte interface. - In what temperature range can the AD7948BRSZ-REEL operate?
The operating temperature range is -40 to 85 °C. - What are the available package options for the AD7948BRSZ-REEL?
The component is available in 20-lead DIP, SOP, and SSOP packages. - Is the AD7948BRSZ-REEL RoHS compliant?
Yes, the AD7948BRSZ-REEL is RoHS compliant. - What are some typical applications of the AD7948BRSZ-REEL?
Typical applications include industrial control systems, aerospace and defense systems, medical devices, automotive systems, and consumer electronics. - How does the AD7948BRSZ-REEL compare to older DAC models?
The AD7948BRSZ-REEL offers superior speed and power consumption performance compared to older models like the AD7543, AD7545, and AD7548.
