Overview
The AD7548KNZ is a 12-bit monolithic CMOS digital-to-analog converter (DAC) designed for use with 8-bit bus microprocessors. This device is part of the AD7548 family from Analog Devices Inc. and is known for its compatibility with standard TTL control inputs and its ability to handle data in either left- or right-justified formats. The AD7548KNZ is particularly useful in applications requiring precise analog output control and simultaneous updating of multiple DACs in a system.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Pins | 20 |
| Package Type | 20-DIP (0.300, 7.62mm) |
| Settling Time | 1.5 μs (Typical) |
| Integral Non-Linearity (INL) | ±0.5 LSB (Max) |
| Differential Non-Linearity (DNL) | ±0.5 LSB (Max) |
| Minimum Supply Voltage | 4.75 V |
| Typical Supply Voltage | 5 V |
| Maximum Supply Voltage | 15.75 V |
| Height | 5.33 mm |
| Length | 26.9 mm |
| Width | 7.11 mm |
Key Features
- 12-bit resolution with high accuracy and linearity.
- Compatibility with 8-bit bus microprocessors.
- Data can be loaded in two bytes to input holding registers, supporting both left- and right-justified data formats.
- Standard TTL compatible control inputs for easy integration.
- A separate load DAC control input allows for flexible updating of the analog output.
- Suitable for multi-DAC systems where simultaneous update of all DACs is necessary.
Applications
- Industrial control systems requiring precise analog output control.
- Medical devices that need accurate and reliable DAC performance.
- Aerospace and defense applications where high reliability and precision are critical.
- Automotive systems that require robust and accurate DACs.
- Multi-DAC systems in various industrial and commercial environments.
Q & A
- What is the resolution of the AD7548KNZ DAC?
The AD7548KNZ has a 12-bit resolution.
- What type of microprocessors is the AD7548KNZ compatible with?
The AD7548KNZ is compatible with 8-bit bus microprocessors.
- How is data loaded into the AD7548KNZ?
Data is loaded in two bytes to input holding registers, supporting both left- and right-justified data formats.
- What is the typical settling time of the AD7548KNZ?
The typical settling time is 1.5 μs.
- What are the integral and differential non-linearity specifications of the AD7548KNZ?
Both integral non-linearity (INL) and differential non-linearity (DNL) are ±0.5 LSB (Max).
- What is the supply voltage range for the AD7548KNZ?
The supply voltage range is from 4.75 V to 15.75 V, with a typical voltage of 5 V.
- What package types are available for the AD7548KNZ?
The AD7548KNZ is available in a 20-DIP (0.300, 7.62mm) package.
- Is the AD7548KNZ suitable for multi-DAC systems?
- What are some common applications of the AD7548KNZ?
- Where can I find detailed documentation and datasheets for the AD7548KNZ?
