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| BL0952 500:1 0.1% 0.1% (45Hz~65Hz) 0.1% 5V 35mW 3.56MHz F1,F2 (CF) REVP 2.42V8% 30ppm/ SOP24 0.35um CMOS BL0952 1.8MHz~3.56MHz 35mW BL0952 , CF , F1 F2 , 4V CF,F1,F2 45Hz~65Hz BL0952 CF 0.1% http://www.belling.com.cn -1Total 13 Pages 8/8/2006 BL0952 1 2 3 4 5,6 7,8 9,10 11 12 CF DGND VDD REVP IAP,IAN; IBP,IBN; ICP,ICN AGND VREF +5V +4.75V~+5.25V 90 ,500mV / 2.428%, 30ppm/C 2.5V 100uF VAP,VBP,VCP VN 500mV 0 1 S1,S0 CF CLKOUT CLKIN S1,S0 F1,F2 13,14, 15,16 17 18 19 20 21,22 23,24 VN,VCP VBP,VAP ADDSEL SCF CLKIN CLKOUT S0,S1 F1,F2 http://www.belling.com.cn -2Total 13 Pages 8/8/2006 BL0952 ( T = 25 ) AVDD DVDD DVDD AVDD ( AGND) ( AGND) DIP24 Vv Vi Topr Tstr AVDD DVDD V V V V V mW -0.3~+5.3(max) -0.3~+5.3(max) -0.3~+0.3 VSS+0.5VvVDD-0.5 VSS+0.5ViVDD-0.5 -40~+85 -55~+150 400 T=25, AVDD=DVDD= 5V, CLKIN=3.58MHz 1 2 SCF,S0,S1,ADDSEL 3 F1,F2 4 CF,REVP 6 7 IAP,IAN,IBP,IBN ,ICP,ICN,VN, VCP,VBP,VAP ADC offset http://www.belling.com.cn IVDD Pin3 Pin18,21 ,22,4 7 mA VIH VIL CIN AVDD=5V DVDD=5V Pin23,24 4 1 10 V V pF VOH1 VOL1 IO1 IH=10mA IL=10mA 4.4 0.5 10 Pin1,4 V V mA VOH2 VOL2 IO2 Vref IH=10mA IL=10mA 4.4 0.5 10 Pin12 Pin5,6, 7,8,9,10, 13,14,15, 16 2.3 2.42 30 2.6 60 V V mA V ppm/C AVDD=5V VAIN 6 Voff -3Total 13 Pages 500 330 10 15 mV Kohm pF mV 8/8/2006 BL0952 8 500mV 1000:1 Pin1 0.1 0.3 % 37C (PF=0.8 ) 60C (PF=0.5 ) 9 ISTART Ib=5A C=100, cos=1 110mV 10 % ENP Vv=110mV, V(I)=2mV, cos=1 Vv=110mV, V(I)=2mV, cos=-1 11 12 ( Gain error Vdown 3.5V~5V Pin1 3.9 5 4 7 4.1 % V Pin1 0.3 % Pin1 Pin1 Pin5,6,7, 8,9,10 0.1 0.1 0.2% Ib 0.3 0.3 % % A 1)% BL0952 , V(V)150mV, cos=1, PIN5 PIN6 PIN7 PIN8,PIN9 PIN10 Vi 5%Ib~500%Ib Ib 0.1% eNL%[X %-Ib %/(1+Ib %)]*100% 2) C=100 Ib=5Acos=1V(V)=110mV5Ib Pin1 3)% Ib=5A BL0952 http://www.belling.com.cn -4Total 13 Pages 8/8/2006 BL0952 eNP%=|[(eN%-eP%)/(1+eP%)]*100%| eP%:eN%: 4(/) V(V) V(I) V(V)*V(I)*cos, , 5 6 4 AVDD=DVDD=5VAGND=DGND=0VCLKIN=3.58MHz -40~+85C VDD=5V, AGND=DGND=0V,CLKIN=3.58MHz, t1 145ms -40~+85C F1 F2 F1,F2 145msF1,F2 290ms F1,F2 F1,F2 BL0952 F1 F2 CF CF 90msCF 180ms CF CF CF F1,F2 BL0952 t2 t3 t4 t2 90ms t5 t6 CLKIN/4 F1,F2 -5Total 13 Pages 8/8/2006 http://www.belling.com.cn BL0952 MCF=1,SCF=0,S0=0,S1=1 F1,F2 Umax, Imax p (t ) =U max cos( t )xI max cos( t + ) =0 : U I p (t ) = max max [1+ cos(2 t )] 2 0 : p (t ) = U max cos( t ) x I max cos( t + ) =U max cos( t )x[ I max cos( t )cos( )+ I max sin( t )sin( )] U I = max max [1+cos(2 t )] cos( )+U max I max cos( t )sin( t )sin( ) 2 U I U I = max max [1+cos(2 t )]cos( )+ max max sin(2 t )sin( ) 2 2 U I U I = max max cos( )+ max max [ cos(2 t )cos( )+sin(2 t )sin( )] 2 2 U I U I = max max cos( ) + max max cos(2 t + ) 2 2 P(t) P(t) 2 U I P= max max cos() 2 cos() PF(Power Factor) 90 P http://www.belling.com.cn -6Total 13 Pages 8/8/2006 BL0952 PTOTAL = PA + PB + PC PTOTAL = PA + PB + PC BL0952 P(t) P(t) 1Hz LPF - CF CF 8 F1 F2 Uoffset Ioffset, 1 =0 http://www.belling.com.cn -7Total 13 Pages 8/8/2006 BL0952 p (t ) = [U cos(t ) + U offset ] x [ I cos(t + ) + I offset ] = UI UI + I offsetV cos(t ) + U offset I cos(t ) + cos(2t ) 2 2 , Uoffset*Ioffset Uoffst*I+Ioffset*V w 50Hz PF=0.5C PF=0.5L 0952 0.1% 0.05% 0952 45Hz~65Hz 0.1% 50Hz 60Hz BL0952 IANIBN ICNIAPIBP ICP 500mV 353mV IA Rb 500mV CT RF IAP Rb CF RF + - 660mV AGND CF IP AGND IAN AGND http://www.belling.com.cn -8Total 13 Pages 8/8/2006 BL0952 BL0952 VN VAPVBP VCP 500mV 353mV PT RaRb VR PT RF VAP CF + - 660mV RF CF AGND VN AGND AGND Ra CF Rb AGND AGND Rv 660mV VAP AGND RF VN CF AGND AGND + - Ra >> RF Rb+Rv=RF RC Cf PF=0.5 BL0952 BL0952 VDD 4V 5% BL0952 4V 5 % VDD 5V 5% CF http://www.belling.com.cn -9Total 13 Pages 8/8/2006 BL0952 CF cos(2wt)CF F1F2 160 CF CF CF CF CF CF CF BL0952 Wh = WhA + WhB + WhC Wh = WhA + WhB + WhC ADDSEL Ib 0.2% http://www.belling.com.cn - 10 Total 13 Pages 8/8/2006 BL0952 BL0952 500mV 0.0020% BL0952 F1,F2 F1,F2 3.56 MHz Freq = 13.25x(U AP xI A +U BP xI B +UCP xIC )xF1-5 2 VREF Freq---- F1,F2 UAP,BP,CP---- IA,B,C---- Vref----(2.58%) F1-5----5 SCF,S1,S0 BL0952 BL0952 1.8MHz~3.58MHz 3.58MHz F1 F2 145ms, CF 90ms 3.58MHz 2.5MHz2MHz 1.8MHz 1.8MHz F1,F2 290ms CF 180ms F1F2 Freq = 6.625x(U AP xI A +U BP xI B +U CP xIC )xF1-5 2 VREF 1.8MHz~3.58MHz LPF 100Hz F1,F2 SCF,S0,S1 BL0952 +5V,0V CF,F1,F2 SCF,S0,S1 http://www.belling.com.cn - 11 Total 13 Pages 8/8/2006 BL0952 CLKIN=3.58MHz SCF S0 S1 F1-5 Max Freq On F1/F2 For AC input 0.48 0.96 F1,F2 15.626 3.125 3.9 62.5 CF F1/2 16 160 8 1223 19.65 19.07 4.77 76.3 16 8 160 16 8 vs Max Freq On CF For AC input[Hz] 7.8 153.6 7.8 ~15K 125 500 62.5 500 1 0 1 0 1 0 1 0 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 0.596 1.19 500mV AC CF 1 UAUBUCIAIBIC 500mV F1-5 = 0.596 Hz , SCF = S 0 = S1 = 1 V AN = VBN = VCN = IA = IB = IC = 500mV dc = 0.5V VREF = 2.5V 8% Freq = 3 x 13.25 x 0.5 x 0.5 x 0.596 = 0.95 Hz 2 .5 2 2 500mV F1-5 = 0.596 Hz , SCF = S 0 = S1 = 1 U AN = U BN = U CN = IA = IB = IC = 0.5 / 2 V VREF = 2.5V http://www.belling.com.cn - 12 Total 13 Pages 8/8/2006 BL0952 Freq = 3 x 13.25 x 0.5 x 0.5 x 0.596 2 x 2 x 2 .5 2 = 0.47 Hz 3 MCF=1,SCF=0,S0=0,S1=1 500mV CF CFA,CFB,CFC F1-5 = 1223Hz, SCF = S 0 = 0, S1 = 1 U AN = U BN = U CN = IA = IB = IC = 0.5 / 2 V VREF = 2.5V Freq ( F1orF 2) = 3 x 13.25 x 0.5 x 0.5 x 1223 = 973Hz 2 x 2 x 2 .5 2 CF F1/F2 16 ( F1,F2 CF MCU) Freq (CF ) = 973Hz x 16 = 15568 Hz http://www.belling.com.cn - 13 Total 13 Pages 8/8/2006 |
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