Overview
The AD669SQ/883B is a monolithic 16-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the DACPORT® family and is known for its high precision and reliability. The AD669SQ/883B is manufactured using Analog Devices' BiMOS II process, which allows for the integration of low power CMOS logic and high precision bipolar linear circuitry on the same chip. It includes an on-board voltage reference, double-buffered latches, and an output amplifier, making it a comprehensive solution for various analog output applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 16 | 16 | 16 | Bits |
| Digital Input (VIH - Logic '1') | 2.0 | 5.5 | Volts | |
| Digital Input (VIL - Logic '0') | 0 | 0.8 | Volts | |
| Integral Nonlinearity (INL) | ±0.003% | ±1 LSB | ||
| Differential Nonlinearity (DNL) | ±0.003% | ±1 LSB | ||
| Monotonicity Over Temperature | 15 | Bits | ||
| Gain Error | ±0.15% | ±0.10% | ±0.10% | % of FSR |
| Output Range (Unipolar) | 0 V | +10 V | ||
| Output Range (Bipolar) | -10 V | +10 V | ||
| Operating Temperature | -55°C | +125°C | ||
| Package | 28-pin hermetic cerdip |
Key Features
- On-Board Reference and Output Amplifier: The AD669SQ/883B includes an internal buried Zener reference laser-trimmed to 10.000 volts with a ±0.2% maximum error, and an on-chip output amplifier providing a voltage output settling time of 10 µs to within 1/2 LSB for a full-scale step.
- Double-Buffered Latches: The double-buffered latch structure eliminates data skew errors and allows for simultaneous updating of DACs in multi-DAC systems.
- Pin-Programmable Output Range: The output range can be set to either a unipolar range of 0 V to +10 V or a bipolar range of -10 V to +10 V without requiring external components.
- MIL-STD-883 Compliance: The AD669SQ/883B is available in versions compliant with MIL-STD-883, ensuring high reliability and performance in military and aerospace applications.
- Low Glitch and High Accuracy: The DAC features low glitch (15 nV-s) and high accuracy with integral nonlinearity and differential nonlinearity maintained at ±0.003%.
Applications
- Signal Generation: The AD669SQ/883B is suitable for signal generation applications due to its AC specifications, including 0.009% THD+N and 83 dB SNR.
- Military and Aerospace: Its compliance with MIL-STD-883 makes it ideal for use in military and aerospace systems where high reliability and performance are critical.
- Industrial Control Systems: The component's high precision and stability make it a good fit for industrial control systems requiring accurate analog output.
- Medical Equipment: The AD669SQ/883B can be used in medical equipment where precise and reliable analog output is necessary.
Q & A
- What is the resolution of the AD669SQ/883B DAC?
The AD669SQ/883B has a resolution of 16 bits.
- What are the operating temperature ranges for the AD669SQ/883B?
The AD669SQ/883B operates from -55°C to +125°C.
- What types of output ranges can the AD669SQ/883B provide?
The AD669SQ/883B can provide either a unipolar output range of 0 V to +10 V or a bipolar output range of -10 V to +10 V.
- Is the AD669SQ/883B compliant with any military standards?
Yes, the AD669SQ/883B is compliant with MIL-STD-883.
- What is the settling time of the output amplifier for a full-scale step?
The output amplifier provides a voltage output settling time of 10 µs to within 1/2 LSB for a full-scale step.
- How does the double-buffered latch structure benefit the AD669SQ/883B?
The double-buffered latch structure eliminates data skew errors and allows for simultaneous updating of DACs in multi-DAC systems.
- What is the integral nonlinearity (INL) of the AD669SQ/883B?
The integral nonlinearity (INL) is maintained at ±0.003%.
- Can the AD669SQ/883B be used in signal generation applications?
Yes, the AD669SQ/883B is suitable for signal generation applications due to its AC specifications.
- What package type is the AD669SQ/883B available in?
The AD669SQ/883B is available in a 28-pin hermetic cerdip package.
- What is the maximum error of the internal buried Zener reference?
The internal buried Zener reference has a maximum error of ±0.2%.
