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| BL0930 500:1 0.1% , 0.1% REVP 2.5V8% 30ppm/ 5V 15mW 0.35um CMOS BL0930 ,, A/D , BL0930 , ,(Pin12) , BL0930 BL0930 Pin14 , Pin15 Pin16 , BL0930 , ,, VDD V2P V2N V1N V1P GND VREF SCF 1 16 F1 F2 CF NC VREF voltage reference internal oscillator high pass filter high pass filter VDD power detector 2 15 3 14 4 BL0930 13 V1P V1N V2P V2N current sampling analog to digital BL0930 digital multiplication low pass filter digital to frequency and output 5 12 REVP G S0 S1 voltage sampling analog to digital REVP CF F1 F2 6 11 7 10 logical control 8 9 SCF S1 S0 BL0930 G DIP 16 http://www.belling.com.cn -1Total 10 Pages 8/14/2006 BL0930 1 2,3 4,5 6 7 8 9,10 11 12 13 14 15,16 VDD V2P,V2N V1N,V1P GND VREF SCF S1,S0 G REVP NC CF F2, F1 +5V, 5V5% ,165mV ,660mV 2.58%, 30ppm/C 2.5V S1,S0 CF S1,S0 90 F1,F2 BL0930 ( T = 25 ) VDD VDD ( GND) DIP16 Vv Topr Tstr VDD -0.3~+7(max) -0.3~+0.3 VSS+0.5VvVDD-0.5 -40~+75 -55~+150 350 V V V mW 1) (T=25, VDD= 5V ) 1 http://www.belling.com.cn IVDD VIH VIL VDD=5V Pin1 0.5 2 4 5 1 mA V V -2Total 10 Pages 8/14/2006 BL0930 2 F1,F2 4 CF,REVP 5 6 V1P,V1N V2N,V2P 7 37 (PF=0.8 ) 60 (PF=0.5 ) 8 Ib=5A C=1400, ENP Vv=110mV, V(I)=2mV, cos=1 Vv=110mV, V(I)=2mV, cos=-1 10 ( ) Vdown 3.5V~5V Pin14 Pin14 Pin14 Pin14 VAIN Pin5,4, 3,2 VOH2 VOL2 IO2 Vref VDD=5V Pin7 IH=10mA IL=10mA VOH1 VOL1 IO1 Pin14,12 IH=10mA IL=10mA CIN Pin15,16 10 pF 4.4 0.5 10 V V mA 4.4 0.5 10 2.3 2.5 30 2.7 V V MA V ppm/C 1 330 6 10 V Kohm pF 0.1 0.1 0.0015 0.003 () () % 9 % Pin14 0.1 % 3.9 4 4.1 V http://www.belling.com.cn -3Total 10 Pages 8/14/2006 BL0930 1)% BL0930 Pin3,pin2 Vv 110mV, cos=1,Pin5 Pin4 Vi 5%Ib~800%Ib Ib 0.1% eNL%[X %-Ib %/(1+Ib %)]*100% 2) CF 0.0015% 3 Pin3-Pin2 V(V) Pin5-Pin4 V(I) V(V)*V(I)*cos, , 4)% V(V)=110mVV(I) Ib5ABL0930 eNP%=|[(eN%-eP%)/(1+eP%)]*100%| eP%:eN%: 5 4 VDD =5V GND= 0V CLK-40~+75C t1 144ms F1 F2 F1F2 144ms F1 550ms F2 F1F2 F1F2 BL0930 t2 71ms F1 F2 CF CF 71msCF 180ms CF SCF=0S1=S0=1 CF 20us CF CF F1F2 BL0930 CLK/4 F1F2 t2 t3 t4 t5 t6 http://www.belling.com.cn -4Total 10 Pages 8/14/2006 BL0930 p (t ) = V cos( wt ) x I cos( wt + ) =0 : p (t ) = 0 : VI (1 + cos(2 wt ) 2 p (t ) = V cos( wt ) x I cos( wt + ) = V cos( wt ) x [I cos( wt ) cos() + sin( wt ) sin( )] VI (1 + cos(2 wt )) cos( ) + VI cos( wt ) sin( wt ) sin() 2 VI VI = (1 + cos(2 wt )) cos( ) + sin(2 wt ) sin() 2 2 = p(t) p(t) 2 http://www.belling.com.cn -5Total 10 Pages 8/14/2006 BL0930 I - - CF F1 F2 V p(t) V*I V*I 2 t p(t)=i(t)*v(t) v(t)=V*cos(wt) i(t)=I*cos(wt) p(t)= V*I 2 {1+cos(2wt)} V*I 2 t p(t) p(t) 1Hz - cos() Vos Ios, 1 =0 p(t)=(Vcos(wt)+Vos)*(Icos+Ios) =V*I/2+Vos*Ios+Vos*Icos(wt)+Ios*Vcos(wt)+(V*I)/2*cos(2wt) Ios=0 p(t)=(Vcos(wt)+Vos)*(Icos+0) =V*I/2+Vos*0+Vos*Icos(wt)+0*Vcos(wt)+(V*I)/2*cos(2wt) =V*I/2+Vos*Icos(wt)+(V*I)/2*cos(2wt) Vos*Ios Vos*I+Ios*V http://www.belling.com.cn -6Total 10 Pages 8/14/2006 BL0930 w 165mV 100mV 0V V1 +165mV V2P + - 165mV V1 V2N V2 V2 100mV -165mV AGND PT CT RF V2P CF RF CF + - 165mV AGND V2N Ra AGND AGND CF Rb AGND AGND Rv 165mV V2P AGND RF V2N CF AGND AGND + - Ra >> RF Rb+Rv=RF http://www.belling.com.cn -7Total 10 Pages 8/14/2006 BL0930 660mV 100mV 0V BL0930 F1F2 F1F2 Freq = 22.4 x V (V ) x V ( I ) x FZ x gain 2 VREF Freq---- F1F2 V(V)---- V(I)---- Vref----2.58% Fz---- S0 S1 Gain---- G S1 0 0 1 1 S0 0 1 0 1 Fz(Hz) 1.7 3.4 6.8 13.6 CLKIN/2^21 CLKIN/2^20 CLKIN/2^19 CLKIN/2^18 Pin8SCF Pin9S1 Pin10S0 BL0930 +5V0VPin14CF Pin16F1 Pin15F2 Pin8SCF Pin9S1 Pin10S0 1 2 3 4 5 6 7 8 SCF 1 0 1 0 1 0 1 0 S1 0 0 0 0 1 1 1 1 S0 0 0 1 1 0 0 1 1 CF F1,F2 128 64 64 32 32 16 16 2048 http://www.belling.com.cn -8Total 10 Pages 8/14/2006 BL0930 G 5V 0V ( 0) G 1 0 1 16 660mV 41mV 660mV 100mV 165mV 100mV CFF1F2 SCF S1 S0 Fz F1,F2 (Hz) 1 0 1 0 1 0 1 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 1.7 1.7 3.4 3.4 6.8 6.8 13.6 13.6 0.72 0.72 1.44 1.44 2.88 2.88 5.76 5.76 0.36 0.36 0.72 0.72 1.44 1.44 2.88 2.88 CF (Hz) 128xF1,F2=92.16 64xF1,F2=46.08 64xF1,F2=92.16 32xF1,F2=46.08 32xF1,F2=92.16 16xF1,F2=46.08 16xF1,F2=92.16 2048xF1,F2=11.8K 128xF1,F2=46.08 64xF1,F2=23.04 64xF1,F2=46.08 32xF1,F2=23.04 32xF1,F2=46.08 16xF1,F2=23.04 16xF1,F2=46.08 2048xF1,F2=5.9K 1DIP16 http://www.belling.com.cn -9Total 10 Pages 8/14/2006 BL0930 2 SOP16 http://www.belling.com.cn - 10 Total 10 Pages 8/14/2006 |
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