Overview
The AD688ARWZ is a high precision ±10 V tracking reference voltage IC manufactured by Analog Devices Inc. It is designed to provide exceptional stability and reliability, making it suitable for precision measurement applications. The device utilizes a proprietary ion-implanted buried Zener diode and laser-wafer-drift-trimming technology to achieve outstanding performance. It includes a basic reference cell and three additional amplifiers, which are laser-trimmed for low offset and low drift, ensuring the accuracy of the reference. The AD688ARWZ is particularly useful in systems requiring 12-bit absolute accuracy, eliminating the need for periodic recalibration.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Output Voltage | ±10 V | |
| Output Voltage Error | ±4 mV max | At 25°C, +10 V |
| Tracking Error | ±1.5 mV max | At 25°C, +10 V |
| Output Voltage Drift | ±8 ppm/°C max | At 25°C, +10 V |
| Line Regulation | ±200 µV/V max | At 25°C, +10 V |
| Load Regulation | ±50 µV/mA max | At +10 V output, 0 < IOUT < 10 mA |
| Supply Current | 12 mA max | At 25°C, +10 V |
| Output Noise | 6 µV p-p typ | At 0.1 Hz to 10 Hz, 25°C, +10 V |
| Operating Temperature Range | -40°C to +85°C | |
| Package Style | 16-lead WSOIC |
Key Features
- High precision ±10 V tracking reference with low tracking error, low initial error, and low temperature drift.
- Proprietary ion-implanted buried Zener diode and laser-wafer-drift-trimming technology for outstanding performance.
- Includes three additional amplifiers laser-trimmed for low offset and low drift.
- Kelvin connections for driving long lines or high current loads.
- Low output noise, typically 6 µV p-p.
- Noise reduction capability using an external capacitor.
- Operating temperature range from -40°C to +85°C.
- Available in a 16-lead WSOIC package.
Applications
- Precision voltage regulation circuits.
- Data acquisition systems.
- Instrumentation equipment.
- Communication systems.
- Industrial control systems.
- Power management applications where precise and stable voltage references are required.
Q & A
- Q: What is the output voltage accuracy of the AD688ARWZ?
A: The AD688ARWZ offers an output voltage error of ±4 mV max at 25°C, +10 V.
- Q: What is the temperature drift of the AD688ARWZ?
A: The output voltage drift is ±8 ppm/°C max at 25°C, +10 V.
- Q: How does the AD688ARWZ reduce output noise?
A: The AD688ARWZ has a noise reduction capability using an external capacitor connected to the noise filtering pin.
- Q: What is the operating temperature range of the AD688ARWZ?
A: The operating temperature range is from -40°C to +85°C.
- Q: What package style is the AD688ARWZ available in?
A: The AD688ARWZ is available in a 16-lead WSOIC package.
- Q: What are some common applications of the AD688ARWZ?
A: Common applications include precision voltage regulation circuits, data acquisition systems, instrumentation equipment, and power management applications.
- Q: How does the AD688ARWZ ensure accuracy in long lines or high current loads?
A: The AD688ARWZ uses Kelvin connections to ensure accuracy in driving long lines or high current loads.
- Q: What is the supply current of the AD688ARWZ?
A: The supply current is 12 mA max at 25°C, +10 V.
- Q: Is the AD688ARWZ suitable for precision measurement applications?
A: Yes, the AD688ARWZ is suitable for precision measurement applications requiring 12-bit absolute accuracy.
- Q: What is the warranty period for the AD688ARWZ from Ovaga?
A: Ovaga offers a 1-year warranty on the AD688ARWZ.
