ADC12138

ADC12130, ADC12132, ADC12138 www.ti.com SNAS098G – MARCH 2000 – REVISED MARCH 2013 ADC12130/ADC12132/ADC12138 Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold Check for Samples: ADC12130, ADC12132, ADC12138 FEATURES 1 2 Serial I/O (MICROWIRE, SPI and QSPI Compatible) Power Down Mode Programmable Acquisition Time Variable Digital Output Word Length and Format No Zero or Full Scale Adjustment Required 0V to 5V Analog Input Range with Single 5V Power Supply APPLICATIONS Pen-Based Computers Digitizers Global Positioning Systems KEY SPECIFICATIONS Resolution 12-bit plus sign 12-Bit plus sign conversion time 8.8 μs (max) 12-Bit plus sign throughput time 14 μs (max) Integral Linearity Error ±2 LSB (max) Single Supply 3.3V or 5V ±10% Power Consumption – +3.3V 15 mW (max) – +3.3V power down 40 μW (typ) – +5V 33 mW (max) – +5V power down 100 μW (typ) DESCRIPTION NOTE: Some device/package combinations are obsolete and are described and shown here for reference only. See our web site for product availability. The ADC12130, ADC12132 and ADC12138 are 12bit plus sign successive approximation Analog-toDigital converters with serial I/O and configurable input multiplexer. The ADC12132 and ADC12138 have a 2 and an 8 channel multiplexer, respectively. The differential multiplexer outputs and ADC inputs are available on the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2 pins. The ADC12130 has a two channel multiplexer with the multiplexe...