The ADC08031/ADC08032/ADC08034/ADC08038 are 8-bit successive approximation A/D converters with serial I/O and configurable input multiplexers with up to 8 channels. The serial I/O is configured to comply with the NSC MICROWIRE serial data exchange standard for easy interface to the COPS family of controllers, and can easily interface with standard shift registers or microprocessors.
The ADC08034 and ADC08038 provide a 2.6V band-gap derived reference. For devices offering specific voltage reference performance over temperature see ADC08131, ADC08134 and ADC08138.
A track/hold function allows th e analog voltage at the positive input to vary during the actual A/D conversion.
The analog inputs can be configured to operate in various combinations of single-ended, differential, or pseudo-differential modes. In addition, input voltage spans as small as 1V can be accommodated.
Serial Digital Data Link Requires Few I/O Pins
Analog Input Track/Hold Function
2-, 4-, or 8-Channel Input Multiplexer Options with Address Logic
0V to 5V Analog Input Range with Single 5V Power Supply
No Zero or Full Scale Adjustment Required
TTL/CMOS Input/Output Compatible
On Chip 2.6V Band-Gap Reference
0.3″ Standard Width 8-, 14-, or 20-Pin PDIP Package
14-, 20-Pin Small-Outline Packages
## Key Specifications
Resolution: 8 bits
Conversion time (fC = 1 MHz): 8 μs (max)
Power dissipation: 20 mW (max)
Single supply: 5VDC (±5%)
Total unadjusted error: ±½ LSB and ±1LSB
No missing codes over temperature
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