Features: Self-calibratingInternal sample-and-holdBipolar input range with ±5V supplies and single +5V referenceNo missing codes over temperatureTTL/MOS input/output compatibleStandard 28-pin ceramic DIPApplicationDigital Signal ProcessingHigh Resolution Process ControlInstrumentationPinoutSpecifi...
ADC1242: Features: Self-calibratingInternal sample-and-holdBipolar input range with ±5V supplies and single +5V referenceNo missing codes over temperatureTTL/MOS input/output compatibleStandard 28-pin cerami...
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The ADC1242 is a CMOS 12-bit plus sign successive approximation analog-to-digital converter. On request, the ADC1242 goes through a self-calibration cycle that adjusts positive linearity error to less than ±1 LSB full-scale error to less than ±3 LSB, and zero error to less than ±2 LSB. The ADC1242 also has the ability to go through an Auto-Zero cycle that corrects the zero error during every conversion. The analog input to the ADC1242 is tracked and held by the internal circuitry, and therefore does not require an external sample-and-hold. A unipolar analog input voltage range (0V to +5V) or a bipolar range (-5V to +5V) can be accommodated with ±5V supplies.
The 13-bit word on the outputs of the ADC1242 gives a 2's complement representation of negative numbers. The digital inputs and outputs are compatible with TTL or CMOS logic levels.