Overview
The AD667JP is a microprocessor-compatible 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is designed to provide high stability and precision in converting digital signals to analog voltage outputs. It includes a high-stability buried Zener voltage reference and is suitable for various applications requiring accurate analog output.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 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 |
| Settling Time | - | 2 | 4 | µs |
| Output Type | - | - | - | Voltage - Buffered |
| Differential Output | - | - | - | No |
| Data Interface | - | - | - | Parallel |
| Reference Type | - | - | - | External, Internal |
| Operating Temperature | 0 | - | 70 | °C |
| Voltage - Supply, Analog | ±11.4 | - | ±16.5 | V |
| Package / Case | - | - | - | 28-LCC (J-Lead) |
Key Features
- High Stability: The AD667JP includes a high-stability buried Zener voltage reference, ensuring accurate and stable analog output.
- Microprocessor Compatibility: Designed to be compatible with microprocessors, allowing for direct loading from 4-, 8-, 12-, or 16-bit microprocessor buses.
- Double-Buffered Organization: Features a double-buffered architecture to avoid spurious analog output values during data transfer.
- Level-Triggered Latches: All latches are level-triggered, ensuring data is latched when control signals are valid.
- Parallel Data Interface: Supports parallel data interface for efficient data transfer.
- External and Internal Reference Options: Offers both external and internal reference options for flexibility in different applications.
Applications
The AD667JP is suitable for a variety of applications that require precise digital-to-analog conversion, including:
- Industrial Control Systems: For accurate control and monitoring in industrial environments.
- Medical Equipment: Where precise analog outputs are critical for diagnostic and therapeutic devices.
- Aerospace and Defense: For applications requiring high reliability and precision.
- Automotive Systems: For control and monitoring systems in vehicles.
- Test and Measurement Equipment: For generating precise analog signals in testing and measurement applications.
Q & A
- What is the resolution of the AD667JP DAC?
The AD667JP has a resolution of 12 bits. - What is the typical settling time of the AD667JP?
The typical settling time is 2 µs, with a maximum of 4 µs. - Is the AD667JP compatible with microprocessors?
Yes, it is designed to be compatible with microprocessors and can be loaded directly from 4-, 8-, 12-, or 16-bit microprocessor buses. - What type of data interface does the AD667JP support?
The AD667JP supports a parallel data interface. - Does the AD667JP have differential output?
No, the AD667JP does not have differential output. - What are the operating temperature ranges for the AD667JP?
The operating temperature range is from 0°C to 70°C. - What is the supply voltage range for the analog section of the AD667JP?
The supply voltage range for the analog section is ±11.4 V to ±16.5 V. - What type of package is the AD667JP available in?
The AD667JP is available in a 28-LCC (J-Lead) package. - Does the AD667JP have internal and external reference options?
Yes, it offers both internal and external reference options. - Is the AD667JP double-buffered?
Yes, the AD667JP features a double-buffered organization to avoid spurious analog output values during data transfer.
