Overview
The ADADC80-12, produced by Analog Devices Inc., is a complete 12-bit successive-approximation analog-to-digital converter (ADC). This integrated circuit is designed to provide high precision and reliability, making it suitable for a variety of applications. The ADADC80-12 includes an internal clock reference, a comparator, and a monolithic 12-bit digital-to-analog converter (DAC), ensuring monotonic operation and no missing codes over the temperature range of -25°C to +85°C. The device is available in a 32-lead ceramic DIP package and supports multiple analog signal ranges.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Analog Signal Range | ±2.5 V, ±5.0 V, ±10 V, 0 V to +5.0 V, 0 V to +10.0 V |
| Maximum Linearity Error | ±0.012% at 25°C |
| Maximum Gain Temperature Coefficient | 30 ppm/°C |
| Typical Power Dissipation | 800 mW |
| Maximum Conversion Time | 25 μs |
| Temperature Range | -25°C to +85°C |
| Package Type | 32-lead ceramic DIP |
| Digital Compatibility | DTL and TTL compatible |
| Output Data Format | Parallel form |
| Precision Reference Voltage | 6.3 V (laser trimmed) |
Key Features
- Complete 12-bit successive-approximation ADC with internal clock reference and comparator.
- Monolithic 12-bit feedback DAC for reduced chip count and higher reliability.
- Internal buried Zener reference voltage of 6.3 V, available externally and capable of supplying up to 1.5 mA.
- Monotonic operation guarantees no missing codes over the specified temperature range.
- Multiple analog signal ranges supported: ±2.5 V, ±5.0 V, ±10 V, 0 V to +5.0 V, and 0 V to +10.0 V.
- All digital signals are fully DTL and TTL compatible, with output data in parallel form.
Applications
The ADADC80-12 is suitable for various applications requiring high precision and reliability in analog-to-digital conversion. These include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
Q & A
- What is the resolution of the ADADC80-12?
The ADADC80-12 has a resolution of 12 bits. - What are the supported analog signal ranges for the ADADC80-12?
The device supports analog signal ranges of ±2.5 V, ±5.0 V, ±10 V, 0 V to +5.0 V, and 0 V to +10.0 V. - What is the maximum linearity error of the ADADC80-12 at 25°C?
The maximum linearity error is ±0.012% at 25°C. - What is the typical power dissipation of the ADADC80-12?
The typical power dissipation is 800 mW. - What is the maximum conversion time of the ADADC80-12?
The maximum conversion time is 25 μs. - Is the ADADC80-12 compatible with DTL and TTL logic?
Yes, the ADADC80-12 is fully DTL and TTL compatible. - What is the precision reference voltage of the ADADC80-12?
The precision reference voltage is 6.3 V, which is laser trimmed and available externally. - What is the temperature range for the ADADC80-12?
The device operates over a temperature range of -25°C to +85°C. - In what package type is the ADADC80-12 available?
The ADADC80-12 is available in a 32-lead ceramic DIP package. - Does the ADADC80-12 support serial output?
No, the serial output function is no longer supported on this product after Date Code 9616.
