Rainbow-electronics MAX158 Manual do Utilizador Página 1

_______________General DescriptionThe MAX154/MAX158 are high-speed multi-channelanalog-to-digital converters (ADCs). The MAX154 hasfour analog input c

MAX154/MAX158Bipolar Input OperationThe circuit in Figure 10a can be used for bipolar inputoperation. The input voltage is scaled by an amplifierso th

_Ordering Information (continued)MAX154/MAX158CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference_______________________________________________

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses arei

MAX154/MAX158CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference2 ______________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)(VDD= +5V, VREF+= +5V, VREF-= GND, MODE 0, TA= TMINto TMAX, unless otherwise noted).TIMING CHARACTERISTICS (Note

MAX154/MAX158CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference4 ______________________________________________________________________________

MAX154/MAX158CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference________________________________________________________________________________

MAX154/MAX158CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference6 ______________________________________________________________________________

Interface Mode 0Figure 5 shows the timing diagram for Mode 0 opera-tion. This is used with microprocessors that have WAITstate capability, whereby a R

MAX154/MAX158_____________Analog ConsiderationsReference and InputThe VREF+ and VREF- inputs of the converter define thezero and the full-scale of the

Input CurrentThe converters’ analog inputs behave somewhat differ-ently from conventional ADCs. The sampled data com-parators take varying amounts of