Overview
The AD779KN is a 14-bit monolithic analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD779 series, which is designed to be a complete, multipurpose ADC. It integrates a sample-hold amplifier (SHA), a microprocessor-compatible bus interface, a voltage reference, and clock generation circuitry on a single chip. This integration minimizes the need for external components, making it a robust solution for various signal processing and measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 128 kSPS |
| Input Range | 10 V unipolar or ±5 V bipolar |
| Supply Voltage | +5 V and ±12 V |
| Power Dissipation | 560 mW (typical) |
| Package Type | 28-Pin Plastic DIP |
| Operating Temperature | 0°C to +70°C |
| Data Format | Straight Binary (unipolar), Twos Complement (bipolar) |
| Bus Interface | 16-bit parallel output |
Key Features
- Complete Integration: Combines SHA, ADC, voltage reference, clock, and digital interface on a single chip, reducing external component requirements.
- Ease of Use: Designed for easy board layout with single cycle read output compatible with 16-bit buses. Factory trimming eliminates the need for calibration or external trimming.
- Reliability: Utilizes Analog Devices’ monolithic BiMOS technology for long-term reliability.
- MIL-STD Compliance: Available in versions compliant with MIL-STD-883.
Applications
The AD779KN is suitable for a variety of applications, including signal processing, control systems, and measurement instruments. Its specifications for both AC and DC parameters make it valuable in applications requiring high accuracy and reliability, such as industrial automation, medical devices, and military electronics.
Q & A
- What is the resolution of the AD779KN ADC?
The AD779KN has a resolution of 14 bits. - What is the sampling rate of the AD779KN?
The sampling rate is 128 kSPS. - What are the input voltage ranges for the AD779KN?
The input voltage ranges are 10 V unipolar or ±5 V bipolar. - What are the supply voltage requirements for the AD779KN?
The AD779KN operates from +5 V and ±12 V supplies. - How much power does the AD779KN typically dissipate?
The AD779KN typically dissipates 560 mW. - In what package type is the AD779KN available?
The AD779KN is available in a 28-Pin Plastic DIP package. - What is the operating temperature range for the AD779KN?
The operating temperature range is 0°C to +70°C. - What data formats does the AD779KN support?
The AD779KN supports straight binary (unipolar) and twos complement (bipolar) data formats. - Is the AD779KN compliant with any military standards?
Yes, the AD779KN is available in versions compliant with MIL-STD-883. - What is the significance of the BiMOS technology used in the AD779KN?
The BiMOS technology ensures long-term reliability compared to multichip and hybrid designs.
