Overview
The AD669ARZ-REEL, produced by Analog Devices Inc., is a complete 16-bit monolithic D/A converter known as the DACPORT®. It is manufactured using Analog Devices' BiMOS II process, which allows for the integration of low power CMOS logic functions and high precision bipolar linear circuitry on the same chip. This device includes current switches, decoding logic, an output amplifier, a buried Zener reference, and double-buffered latches. The AD669 is designed to provide high accuracy and reliability, making it suitable for a variety of applications requiring precise digital-to-analog conversion.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | 16 | 16 | Bits |
| Digital Inputs (VIH - Logic '1') | 2.0 | 5.5 | Volts | |
| Digital Inputs (VIL - Logic '0') | 0 | 0.8 | Volts | |
| Integral Nonlinearity | ±2 | ±1 | ±4 | LSB |
| Differential Nonlinearity | ±2 | ±1 | ±4 | LSB |
| Monotonicity Over Temperature | 14 | 14 | 15 | Bits |
| Gain Error | ±0.15 | ±0.10 | ±0.10 | % of FSR |
| Output Settling Time | 10 µs | |||
| Output Range | 0 V to +10 V (Unipolar) | -10 V to +10 V (Bipolar) | ||
| Operating Temperature Range | -40°C | +85°C | ||
| Package Type | 28-Lead SOIC (Wide) |
Key Features
- Complete 16-bit D/A Converter: Includes an on-board reference and output amplifier on a single IC chip.
- BiMOS II Process: Allows for the integration of low power CMOS logic and high precision bipolar linear circuitry.
- High Accuracy: Integral nonlinearity of ±0.003% and differential nonlinearity of ±0.003% max.
- Fast Settling Time: Output amplifier provides a voltage output settling time of 10 µs to within 1/2 LSB for a full-scale step.
- Pin-Programmable Output Range: Can be set to provide a unipolar output range of 0 V to +10 V or a bipolar output range of -10 V to +10 V.
- Double-Buffered Latches: Eliminate data skew errors and allow simultaneous updating of DACs in multi-DAC systems.
- MIL-STD-883 Compliant Versions: Available for military and high-reliability applications.
Applications
- Signal Generation: Suitable for applications requiring high accuracy and low distortion, such as audio and video signal generation.
- Industrial Control Systems: Used in control systems that require precise analog outputs.
- Medical Equipment: Applied in medical devices that need accurate and reliable analog signals.
- Aerospace and Defense: Utilized in military and aerospace applications due to its MIL-STD-883 compliance.
- Test and Measurement Equipment: Employed in various test and measurement instruments requiring high precision analog outputs.
Q & A
- What is the resolution of the AD669ARZ-REEL?
The AD669ARZ-REEL has a resolution of 16 bits.
- What is the operating temperature range of the AD669ARZ-REEL?
The operating temperature range is from -40°C to +85°C.
- What types of output ranges can the AD669ARZ-REEL provide?
The AD669ARZ-REEL can provide either a unipolar output range of 0 V to +10 V or a bipolar output range of -10 V to +10 V.
- What is the settling time of the output amplifier in the AD669ARZ-REEL?
The output amplifier provides a settling time of 10 µs to within 1/2 LSB for a full-scale step.
- Is the AD669ARZ-REEL compliant with any military standards?
Yes, the AD669ARZ-REEL is available in versions compliant with MIL-STD-883.
- What is the significance of the double-buffered latches in the AD669ARZ-REEL?
The double-buffered latches eliminate data skew errors and allow for simultaneous updating of DACs in multi-DAC systems.
- What is the integral nonlinearity of the AD669ARZ-REEL?
The integral nonlinearity is maintained at ±0.003%.
- Can the reference voltage of the AD669ARZ-REEL be used externally?
Yes, the internal buried Zener reference voltage is available for external applications.
- What is the typical THD+N of the AD669ARZ-REEL?
The typical THD+N is 0.009%.
- What package type is the AD669ARZ-REEL available in?
The AD669ARZ-REEL is available in a 28-Lead SOIC (Wide) package.
