Overview
The AD774BJNZ is a high-performance, 12-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD774B series, which offers advanced features such as a high precision voltage reference, an on-chip clock, and three-state output buffer circuitry. The AD774BJNZ is designed for direct interface with 8- and 16-bit microprocessor buses, making it a versatile choice for various applications requiring precise analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 8 µs (maximum) |
| Package Type | 28-Lead PDIP |
| Temperature Range | 0°C to +70°C (J and K grades) |
| Power Supplies | Requires only power supplies and control signals for operation |
| Process Technology | Analog Devices' BiMOS II process |
Key Features
- High precision voltage reference and on-chip clock for reliable operation.
- Three-state output buffer circuitry for direct interface to microprocessor buses.
- Faster conversion time (8 µs maximum) and lower power consumption compared to the AD574A.
- Active trimming of thin-film resistors to minimize offset linearity and scaling errors.
- Available in various grades with different temperature ranges: A and B grades (-40°C to +85°C), J and K grades (0°C to +70°C), and T grade (-55°C to +125°C).
Applications
The AD774BJNZ is suitable for a wide range of applications that require high-precision analog-to-digital conversion, including:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Data acquisition systems.
Q & A
- What is the resolution of the AD774BJNZ?
The AD774BJNZ has a resolution of 12 bits. - How long does the AD774BJNZ take to convert an analog signal to digital?
The conversion time is 8 µs (maximum). - What type of package does the AD774BJNZ come in?
The AD774BJNZ comes in a 28-Lead PDIP package. - What is the temperature range for the J and K grades of the AD774B series?
The temperature range for the J and K grades is 0°C to +70°C. - Does the AD774BJNZ require any external components for operation?
No, it requires only power supplies and control signals for operation. - What process technology is used in the AD774BJNZ?
The AD774BJNZ is implemented using Analog Devices' BiMOS II process. - How does the AD774BJNZ minimize offset linearity and scaling errors?
It uses active trimming of thin-film resistors to minimize these errors. - What are the different grades available for the AD774B series?
The available grades include A, B, J, K, and T, each with different temperature ranges. - What are some typical applications of the AD774BJNZ?
Typical applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and data acquisition systems. - Is the AD774BJNZ compatible with other industry-standard ADCs?
Yes, it is pin-compatible with the industry-standard AD574A but offers faster conversion times and lower power consumption.
