Rainbow-electronics MAX1035 Manual do Utilizador

General DescriptionThe MAX1034/MAX1035 multirange, low-power, 14-bit,successive-approximation, analog-to-digital converters(ADCs) operate from a singl

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs10 ____________________________________________________________________________

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs_______________________________________________________________________________

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Detailed DescriptionThe MAX1034/MAX1035 multirange, low-power, 14-bitsuccessive-approximation ADCs operate from a single+5V supply and have a separate

MAX1034/MAX1035The MAX1034 has eight single-ended analog input channels or four differential channels (see the BlockDiagram at the end of the data she

Analog Input CircuitryThe analog inputs can be individually configured foreither differential or single-ended conversions by writingthe associated ana

MAX1034/MAX1035Figure 8 illustrates the software-selectable differentialanalog input voltage range that produces a valid digitaloutput. Each analog in

Figure 6. Simplified Analog Input CircuitMAX1034MAX1035R2R1VSJ*RSOURCEANALOGSIGNALSOURCER2R1VSJ*RSOURCEANALOGSIGNALSOURCEIN_+IN_+*MINIMIZE RSOURCE TO

MAX1034/MAX1035Differential Common-Mode RangeThe MAX1034/MAX1035 differential common-moderange (VCMDR) must remain within -4.75V to +5.5V toobtain val

Digital InterfaceThe MAX1034/MAX1035 feature a serial interface that iscompatible with SPI/QSPI and MICROWIRE devices.DIN, DOUT, SCLK, CS, and SSTRB f

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs2 _____________________________________________________________________________

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Start BitCommunication with the MAX1034/MAX1035 is accom-plished using the three input data word formats shownin Table 3. Each input data word begins

MAX1034/MAX1035Mode ControlThe MAX1034/MAX1035 contain one byte-wide mode-control register. The timing diagram of Figure 15 showshow to use the mode-c

• User supplies one byte of SCLK, then drives CShigh to relieve processor load while the ADCconverts• After SSTRB transitions high, the user suppliest

MAX1034/MAX1035signal is captured. The internal clock controls the con-version of the analog input voltage. The analog inputsampling instant is at the

• Internal-Clock-Mode Control Byte• Reset Byte• Partial Power-Down-Mode-Control ByteThis prevents the MAX1034/MAX1035 from inadvertent-ly exiting full

MAX1034/MAX1035Bridge ApplicationThe MAX1034/MAX1035 convert 1kHz signals moreaccurately than a similar sigma-delta converter thatmight be considered

Differential Nonlinearity (DNL)DNL is the difference between an actual step width andthe ideal value of 1 LSB. A DNL error specification ofgreater tha

MAX1034/MAX1035Unipolar Offset Error-FSR to 0VWhen a zero-scale analog input voltage is applied tothe converter inputs, the digital output is all ones

Effective Number of Bits (ENOB)ENOB indicates the global accuracy of an ADC at aspecific input frequency and sampling rate. With aninput range equal t

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs_______________________________________________________________________________

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs30 ____________________________________________________________________________

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCsMaxim cannot assume responsibility for use of any circuitry other than circuitr

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs4 _____________________________________________________________________________

MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs_______________________________________________________________________________

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MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs_______________________________________________________________________________

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MAX1034/MAX10358-/4-Channel, ±VREFMultirange Inputs, Serial 14-Bit ADCs_______________________________________________________________________________