AD590实验报告

ad5901. ad590 1ak2ad590 -55+1503ad590 4v30v4v6v i 1ua1kad590 44v 20v ad590ad590131v232ad590530v10k10mvk2ad590ad59021 ad5901k1aad59010k10mv10mvk0196k1k10k5a1v-2.73v22 adadmc14433ad590mc144336admc14433mc14511bcdledmc14433ds1ds4mc141347. 6 a/d1y2y3y4ymc14433ds0ds1ds2ds3mc144331403vrefvref8 7 3461as8ad590 2013-3-27ad5901ad5902341ad59023pcb123pcb4pcb567123ad590pcbadadpcbpcbpcbad590pnad590pn 2 0911060010091106001909110600290911060034 09 2011 03 18 1. ad590pn2. ad590pn3. ad590pn ad590pnpt10050k ad590pnpnpn12.1mvpn0.22-50+150 1. 5v2. ad590pn3. ad590pnad5904v pn10v20v4. 5. 6. excell ad590ad590 16tlc25431. 1)2)updatepcbpcb3)updatead59001ad5904)updatepcbgndvcc,+5v5)6)led,7805t9.25v5.11v7)2. ad590ad590ad590430v4.8v 1. 1altium designer 6.02ad5903pcb4 52. ad590 lm358 tlc2543 7805t r1r8 j2 j3 c1c9 atmega16 max232 s1 vcc 3. ad590 1 ad590 4v30v4v6v i 1ua1kad590 44v 20v ad590ad5901k1aad59010k10mv10mva1- 2.73vmax232pcad590 5 1)altium designer 6.0(2)3updatepcb4pcb5pcb676 ad590tlc254316102028218 pcb ad5901. ad5902. :1. 1551502a/d32. (1) 0-9988(2) 1. stc89c5232i/o2. ad590ad5901 (-273),1,1a,25,io=(273+25)=298a2 -551503 +4v+30v4ad590 ijklm m -55+1500.3ad590jh+-1.5-55+1505ad590voio10k,25,2.98v(10k298a) vo,3. ad590ad0804ad08041ad08042adc0804 (1) (2) 8 (0255)(3) 135 ms(4) 100 ms(5) -1+1lsb(6) adc0804c070adc0804l-40 85(7) 0v5v(8) 2.5v(9) 5v(10) 3ad08041. (cs )chip selectrdwr (low) active 2 ( rd ) readcs rd (low) adc0804 db7 db0 3 (wr ) cs wr (low) adc0804 wr 01cs 0 adc0804 intr (high)419(clk inclkr)/ 100 khz 800 khz 640khzclk r clk in adc 5 ( intr ) (high)intr(low)67(vin(+)vin(-)vinvin(+)vin(-)vin(-)8 (a gnd) :9 (vrefM2) Uvref vin pin9vin vcc 10 (d gnd) U11 18 (db7 db0) U