ADC0804LCN Integrated Circuit Chip CMOS 8-bit Compatible A/D converters
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ADC0803/0804 CMOS 8-bit A/D converters
DESCRIPTION The ADC0803 family is a series of three CMOS 8-bit successive approximation A/D converters using a resistive ladder and capacitive array together with an auto-zero comparator. These converters are designed to operate with microprocessor-controlled buses using a minimum of external circuitry. The 3-State output data lines can be connected directly to the data bus.
The differential analog voltage input allows for increased common-mode rejection and provides a means to adjust the zero-scale offset. Additionally, the voltage reference input provides a means of encoding small analog voltages to the full 8 bits of resolution.
FEATURES • Compatible with most microprocessors • Differential inputs • 3-State outputs • Logic levels TTL and MOS compatible • Can be used with internal or external clock • Analog input range 0 V to VCC • Single 5 V supply • Guaranteed specification with 1 MHz clock
APPLICATIONS • Transducer-to-microprocessor interface • Digital thermometer • Digitally-controlled thermostat • Microprocessor-based monitoring and control systems
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
NOTE: 1. Derate above 25 °C, at the following rates: N package at 13.5 mW/°C; D package at 11.1 mW/°C.
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