general description the MAX11626?ax11629/max11632/max11633 are serial 12-bit analog-to-digital converters (adcs) with an internal reference. these devices feature on-chip fifo, scan mode, internal clock mode, internal averaging, and autoshutdown . the maximum sampling rate is 300ksps using an external clock. the max11632/ max11633 have 16 input channels; the max11628/ max11629 have 8 input channels; and the MAX11626/ max11627 have 4 input channels. these eight devices operate from either a +3v supply or a +5v supply, and contain a 10mhz spi -/qspi -/microwire -com- patible serial port. the MAX11626?ax11629 are available in 16-pin qsop packages. the max11632/max11633 are avail- able in 24-pin qsop packages. all eight devices are specified over the extended -40? to +85? tempera- ture range. ________________________applications system supervision data-acquisition systems industrial control systems patient monitoring data logging instrumentation features analog multiplexer with track/hold 16 channels (max11632/max11633) 8 channels (max11628/max11629) 4 channels (MAX11626/max11627) single supply 2.7v to 3.6v (max11627/max11629/max11633) 4.75v to 5.25v (MAX11626/max11628/max11632) internal reference 2.5v (max11627/max11629/max11633) 4.096v (MAX11626/max11628/max11632) external reference: 1v to v dd 16-entry first-in/first-out (fifo) scan mode, internal averaging, and internal clock accuracy: 1 lsb inl, 1 lsb dnl, no missing codes over temperature 10mhz 3-wire spi-/qspi-/microwire-compatible interface small packages 16-pin qsop (MAX11626Cmax11629) 24-pin qsop (max11632/max11633) MAX11626?ax11629/max11632/max11633 12-bit, 300ksps adcs with fifo and internal reference ________________________________________________________________ maxim integrated products 1 16 15 14 13 12 11 10 9 2 1 3 4 5 6 7 8 ain0 top view eoc dout din cs sclk v dd gnd ref MAX11626 |