Product Summary

The ADC12138CIN is a 12-bit plus sign successive approximation A/D converter with serial I/O and configurable input multiplexer. The ADC12138CIN has a 2 and an 8 channel multiplexer, respectively. The differential multiplexer outputs and A/D inputs are available on the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2 pins. The applications of the ADC12138CIN are (1)Pen-based computers; (2)Digitizers; (3)Global positioning systems.

Parametrics

ADC12138CIN absolute maximum ratings: (1)Positive Supply Voltage: 6.5V; (2)Voltage at Inputs and Outputs except CH0–CH7 and COM: -0.3V to V+ +0.3V; (3)Voltage at Analog Inputs CH0–CH7 and COM GND: -5V to V+; (4)+5V; (5)|VA+-VD+|: 300 mV; (6)Input Current at Any Pin: ±30 mA; (7)Package Input Current:±120 mA; (8)Package Dissipation: 500 mW; (9)ESD Susceptability: 1500V; (10)Storage Temperature -65 to +150℃.

Features

ADC12138CIN features: (1)Serial I/O (MICROWIRE, SPI and QSPI Compatible); (2)2 or 8 channel differential or single-ended multiplexer; (3)Analog input sample/hold function; (4)Power down mode; (5)Programmable acquisition time; (6)Variable digital output word length and format; (7)No zero or full scale adjustment required; (8)0V to 5V analog input range with single 5V power supply.

Diagrams

ADC12138CIN block diagram

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ADC12138CIN
ADC12138CIN

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ADC12138CIN/NOPB
ADC12138CIN/NOPB


IC ADC 12BIT SELF-CALIB 28-DIP

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