Overview
The AD669BR-REEL, produced by Analog Devices Inc., is a complete 16-bit monolithic D/A converter known as the DACPORT®. This device integrates an on-board reference and output amplifier, making it a comprehensive solution for precision voltage output applications. Manufactured using Analog Devices' BiMOS II process, the AD669 combines low power CMOS logic with high precision bipolar linear circuitry. This integration enables the device to offer high stability and accuracy, 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 Input Voltage (Logic '1') | 2.0 | - | 5.5 | Volts |
| Digital Input Voltage (Logic '0') | 0 | - | 0.8 | Volts |
| Integral Nonlinearity | - | - | ±1 LSB | - |
| Differential Nonlinearity | - | - | ±1 LSB | - |
| Monotonicity Over Temperature | - | - | 15 Bits | - |
| Gain Error | - | - | ±0.10% of FSR | - |
| Output Range | - | - | 0 V to +10 V (unipolar), -10 V to +10 V (bipolar) | - |
| Operating Temperature Range | -40°C | - | +85°C | - |
| Package Type | - | - | 28-pin SOIC | - |
Key Features
- Complete 16-Bit D/A Function: Includes on-chip output amplifier and voltage reference.
- High Stability Buried Zener Reference: Laser trimmed to 10.000 volts with a ±0.2% maximum error.
- Monolithic BiMOS II Construction: Combines low power CMOS logic with high precision bipolar linear circuitry.
- Integral and Differential Nonlinearity: Maintained at ±1 LSB, ensuring high accuracy.
- Microprocessor Compatible: 16-bit parallel input with double-buffered latches.
- Pin-Programmable Output Range: Unipolar (0 V to +10 V) or bipolar (-10 V to +10 V) without external components.
- Improved ESD Performance: Enhanced robustness with an ESD rating of up to 2.5 kV.
Applications
- Signal Generation: Suitable for applications requiring precise signal generation due to its low THD+N and high SNR.
- Industrial Control Systems: Used in systems that require accurate and stable voltage outputs.
- Aerospace and Defense: Available in versions compliant with MIL-STD-883, making it suitable for military and aerospace applications.
- Medical Devices: Can be used in medical equipment that demands high precision and reliability.
- Automotive Systems: Applicable in automotive systems that require robust and accurate voltage output.
Q & A
- What is the resolution of the AD669BR-REEL?
The AD669BR-REEL has a resolution of 16 bits.
- What is the output range of the AD669BR-REEL?
The output range is pin-programmable and can be set to either unipolar (0 V to +10 V) or bipolar (-10 V to +10 V).
- What type of package does the AD669BR-REEL come in?
The AD669BR-REEL comes in a 28-pin SOIC package.
- What is the operating temperature range of the AD669BR-REEL?
The operating temperature range is from -40°C to +85°C.
- Does the AD669BR-REEL have built-in ESD protection?
Yes, the AD669BR-REEL has enhanced ESD protection with a rating of up to 2.5 kV.
- Is the AD669BR-REEL compatible with microprocessors?
Yes, it is microprocessor compatible with a 16-bit parallel input and double-buffered latches.
- What is the gain error of the AD669BR-REEL?
The gain error is ±0.10% of the full-scale range (FSR).
- Is the AD669BR-REEL suitable for signal generation applications?
Yes, it is suitable due to its low THD+N and high SNR.
- Does the AD669BR-REEL require external components to set the output range?
No, the output range can be set without external components.
- Is the AD669BR-REEL available in military-grade versions?
Yes, it is available in versions compliant with MIL-STD-883.
