Overview
The AD767JP-REEL is a 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD767 series, known for its high accuracy and stability. Although the AD767JP-REEL is currently obsolete and no longer manufactured, it remains an important reference for understanding high-performance DACs. The AD767 series is characterized by its laser-trimmed resistors, which ensure minimal gain and offset drift, making it suitable for applications requiring high precision and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 | 12 | 12 | Bits |
| Logic Levels (TTL Compatible) | ||||
| VIH (Logic “1”) | +2.0 | +5.5 | V | |
| VIL (Logic “0”) | 0 | +0.8 | V | |
| IIH (VIH = 5.5 V) | 3 | 10 | µA | |
| IIL (VIL = 0.8 V) | 1 | 5 | µA | |
| Linearity Error @ +25°C | ±1/2 | ±1/2 | LSB | |
| Supply Current (+11.4 to +16.5 V dc) | 9 | 13 | mA | |
| Supply Current (–11.4 to –16.5 V dc) | 18 | 23 | mA | |
| Total Power Consumption | 400 | 600 | mW | |
| Operating Temperature Range | 0 | +70 | °C | |
| Storage Temperature Range | –65 | +125 | °C |
Key Features
- High Accuracy: The AD767JP features high linearity and accuracy, with linearity errors typically less than ±1/2 LSB for the J, A, and S versions and ±1/8 LSB for the K and B versions.
- Monotonicity: All versions of the AD767 are monotonic over their full operating temperature range, ensuring that the output either increases or remains constant for increasing digital inputs.
- Differential Nonlinearity: The component maintains monotonic behavior with differential nonlinearity less than 1 LSB, ensuring consistent analog output changes with digital input code changes.
- Thermal Stability: The AD767 has thermal tracking of the scaling resistors with other device components, minimizing gain and offset drift.
Applications
- Industrial Control Systems: The high accuracy and stability of the AD767 make it suitable for industrial control systems where precise analog output is critical.
- Medical Devices: Its monotonicity and low differential nonlinearity are beneficial in medical devices that require reliable and consistent analog signals.
- Aerospace and Defense: The component's wide operating temperature range and high reliability make it a candidate for aerospace and defense applications.
- Test and Measurement Equipment: The AD767's precision and stability are valuable in test and measurement equipment where accurate analog outputs are necessary.
Q & A
- What is the resolution of the AD767JP?
The AD767JP has a resolution of 12 bits.
- What are the typical linearity errors for the AD767JP?
The linearity errors are typically less than ±1/2 LSB for the J, A, and S versions and ±1/8 LSB for the K and B versions.
- Is the AD767JP monotonic over its operating temperature range?
- What is the supply current range for the AD767JP?
The supply current ranges from 9 mA to 13 mA for positive supplies and from 18 mA to 23 mA for negative supplies).
- What is the total power consumption of the AD767JP?
The total power consumption is between 400 mW and 600 mW).
- What is the operating temperature range for the AD767JP?
The operating temperature range is from 0°C to +70°C).
- Is the AD767JP still in production?
No, the AD767JP-REEL is obsolete and no longer manufactured).
- What are some potential substitutes for the AD767JP-REEL?
Potential substitutes include the AD767JPZ-REEL).
- What is the significance of thermal tracking in the AD767JP?
Thermal tracking minimizes gain and offset drift by ensuring that the scaling resistors track the temperature changes of other device components).
- What are some common applications for the AD767JP?
