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Description

The ADADC80 is a complete 12-bit successive-approximation analog-to-digital converter (ADC) that includes an internal clock, reference, and comparator. Its hybrid IC design uses MSI digital and linear monolithic chips in conjunction with a 12-bit monolithic digital-to-analog converter (DAC) to provide modular performance and versatility with IC size, price, and reliability. Important performance characteristics of the ADADC80 include a maximum linearity error of ±0.012% at 25°C, maximum gain TC of 30 ppm/°C, typical power dissipation of 800 mW, and maximum conversion time of 25 μs. Monotonic operation of the feedback DAC guarantees no missing codes over the temperature range of −25°C to +85°C.

Features 

1. True 12-bit operation: maximum nonlinearity ±0.012%
2. Low gain temperature coefficient (TC): ±30 ppm/°C maximum
3. Low power: 800 mW
4. Fast conversion time: 25 μs
5. Precision 6.3 V reference for external application
6. Short-cycle capability
7. Parallel data output
8. Monolithic DAC with scaling resistors for stability
9. Low chip count, high reliability
10. Industry-standard pin configuration
11. “Z” models for ±12 V supplies