Overview
The AD669ARZ is a high-performance, monolithic 16-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This device is part of the DACPORT series and is fabricated 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. The AD669ARZ is designed to provide precise digital-to-analog conversion with advanced features such as on-chip output amplifiers, high stability buried Zener references, and double-buffered latches to eliminate data skew errors.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | AD669ARZ |
| Manufacturer | Analog Devices Inc. |
| Package/Case | 28-SOIC (0.295", 7.50mm Width) |
| Number of Bits | 16 |
| Number of D/A Converters | 1 |
| Settling Time | 13 μs |
| Output Type | Voltage – Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | ±13.5 V ~ 16.5 V |
| Voltage - Supply, Digital | 5 V |
| INL/DNL (LSB) | ±4 (Max), ±4 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
Key Features
- High Precision: The AD669ARZ offers 16-bit resolution, ensuring precise digital-to-analog conversion.
- Fast Write Pulse: The device features a fast 40ns write pulse, enabling quick data loading.
- On-Chip Output Amplifier: Integrated output amplifier provides buffered voltage output.
- High Stability Reference: The buried Zener reference ensures high stability and accuracy.
- Low Noise and Distortion: The device has low output noise voltage (120nV/√Hz typ) and low THD+N (0.009%).
- Double-Buffered Latches: Eliminates data skew errors and allows for simultaneous updating of DACs in multi-DAC systems.
- Operating Temperature Range: The device operates over a wide temperature range of -40°C to 85°C.
Applications
- Medical Imaging Systems: The AD669ARZ can be used for precise data acquisition from sensors, enabling high-resolution imaging with accurate representation of physiological signals.
- Automotive Radar Systems: It plays a critical role in converting analog radar signals into digital data for processing, facilitating accurate object detection and collision avoidance.
- Industrial Automation: The device enables precise measurement and control of process variables, ensuring optimal performance and efficiency in manufacturing processes.
Q & A
- What is the resolution of the AD669ARZ?
The AD669ARZ has a 16-bit resolution.
- What is the package type of the AD669ARZ?
The AD669ARZ comes in a 28-SOIC package.
- What is the settling time of the AD669ARZ?
The settling time of the AD669ARZ is 13 μs.
- Does the AD669ARZ support differential output?
No, the AD669ARZ does not support differential output.
- What are the voltage supply ranges for the AD669ARZ?
The analog supply voltage range is ±13.5 V ~ 16.5 V, and the digital supply voltage is 5 V.
- What is the operating temperature range of the AD669ARZ?
The operating temperature range is -40°C ~ 85°C.
- What type of data interface does the AD669ARZ support?
The AD669ARZ supports a parallel data interface.
- Does the AD669ARZ have an on-chip output amplifier?
Yes, the AD669ARZ has an integrated on-chip output amplifier.
- What is the typical output noise voltage of the AD669ARZ?
The typical output noise voltage is 120nV/√Hz.
- Is the AD669ARZ suitable for high-precision applications?
Yes, the AD669ARZ is designed for high-precision applications with features like high stability references and low noise characteristics.
