Rainbow-electronics MAX1338 Manual do Utilizador

General DescriptionThe MAX1338 14-bit, analog-to-digital converter (ADC)offers four simultaneously sampled, fully differential inputchannels, with ind

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC10 ____________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC_______________________________________________________________

MAX1338Detailed DescriptionThe MAX1338 simultaneously samples four differentialanalog inputs with internal T/H circuits, and sequentiallyconverts them

Power-Supply InputsThree separate power supplies power the MAX1338. A+5V analog supply, AVDD, powers the analog input andconverter sections. A +5V dig

MAX1338Figure 3 shows the equivalent analog input T/H circuitfor one analog input.As conversion begins, the T/H circuits hold the analogsignals. After

External ClockFor external clock operation, force INTCLK/EXTCLK lowand connect an external clock source to CLK. Use anexternal clock frequency from 1M

MAX1338Starting a ConversionInternal ClockFor internal clock operation, force INTCLK/EXTCLKhigh. To start a conversion using internal clock mode,pull

onto the bus. After reading all four channels, bring CShigh to release the parallel I/O. After waiting tQUIET,pulse CONVST low to initiate the next co

MAX1338Input Range SettingsTable 4 shows the two’s complement output for a selec-tion of inputs.The full-scale input range (FSR) depends on the select

DefinitionsIntegral Nonlinearity (INL)Integral nonlinearity is the deviation of the values on anactual transfer function from a straight line. For the

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC2 _____________________________________________________________

MAX1338Gain ErrorGain error indicates how well the slope of the actualtransfer function matches the slope of the ideal transferfunction. For the MAX13

SNR = (6.02 x N + 1.76)dBwhere N = 14 bits. In reality, there are other noisesources such as thermal noise, reference noise, andclock jitter. SNR is c

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MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC_______________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADCMaxim cannot assume responsibility for use of any circuitry oth

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC_______________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC4 _____________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC_______________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC6 _____________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC_______________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC8 _____________________________________________________________

MAX133814-Bit, 4-Channel, Software-Programmable,Multiranging, Simultaneous-Sampling ADC_______________________________________________________________