Overview
The AD568SQ is an ultrahigh-speed, 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This monolithic device is fabricated using Analog Devices' Complementary Bipolar (CB) Process, which features high-speed NPN and PNP devices on the same chip. The AD568SQ is known for its high stability and precision, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Settling Time | 35 ns (Typical) |
| Output Type | Current - Unbuffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | Internal |
| Voltage Supply (Analog) | ±13.5V ~ 16.5V |
| Voltage Supply (Digital) | 5V |
| Integral Non-Linearity (INL)/Differential Non-Linearity (DNL) | ±0.75 LSB (Max), ±1 LSB (Max) |
| Architecture | R-2R |
| Operating Temperature | -55°C ~ 125°C |
| Package/Case | 24-CDIP (0.300, 7.62mm) |
Key Features
- Ultrahigh speed with current settling to 1 LSB in 35 ns
- High stability buried Zener reference on chip
- Monotonicity guaranteed over temperature
- 10.24 mA full-scale output suitable for video applications
- Integral and differential linearity guaranteed over temperature
- Variable threshold allows TTL and CMOS interface
- MIL-STD-883 compliant versions available
Applications
The AD568SQ is commonly used in various high-performance applications, including:
- Industrial automation and instrumentation projects to generate accurate analog voltage signals for controlling motors, valves, and other actuators.
- Video applications due to its high-speed and full-scale current output.
- Other applications requiring high precision and speed such as medical devices, aerospace, and military equipment.
Q & A
- What is the settling time of the AD568SQ?
The settling time of the AD568SQ is 35 ns (typical). - What is the output type of the AD568SQ?
The output type of the AD568SQ is current - unbuffered. - What is the data interface of the AD568SQ?
The data interface of the AD568SQ is parallel. - What is the reference type of the AD568SQ?
The reference type of the AD568SQ is internal. - What are the voltage supply ranges for the AD568SQ?
The analog voltage supply range is ±13.5V ~ 16.5V, and the digital voltage supply is 5V. - What is the operating temperature range of the AD568SQ?
The operating temperature range of the AD568SQ is -55°C ~ 125°C. - What package type is the AD568SQ available in?
The AD568SQ is available in a 24-CDIP (0.300, 7.62mm) package. - Is the AD568SQ MIL-STD-883 compliant?
Yes, the AD568SQ has MIL-STD-883 compliant versions available. - How do I ensure signal integrity when using the AD568SQ?
To ensure signal integrity, keep analog and digital signal traces separate on the PCB layout, and use low-noise voltage regulators and bypass capacitors. - What are some best practices for grounding the AD568SQ?
Follow best practices for grounding to minimize ground loops and noise interference.
