* ------------------------------ * Revision 0, 9/2003 * ------------------------------ * The MAX4453 family of op amps combine high speed performance with ultra low power * consumption and are unity gain stable. These amplifiers operate from a +2.7 to +5.25 * single supply and feature Rail to Rail outputs. * ------------------------------ * Connections * 1 = OUT * 2 = VEE * 3 = IN+ * 4 = IN- * 5 = VCC ***************** *$ .SUBCKT MAX4453 1 2 3 4 5 XHFAMP1 5 2 3 4 1 MAX4453_S .ENDS ***************** .SUBCKT MAX4453_S 10 18 17 16 75 * 10 = VCC * 18 = VEE * 17 = IN+ * 16 = IN- * 75 = OUT ***************** VS1 10 11 0V IBIAS 11 12 440U DBIAS 18 12 DA QI1 13 15 91 QP1 *INPUT BIAS CURRENT AND OFFSET QI2 14 16 92 QP2 RE1 12 91 81 RE2 12 92 81 RID 15 16 120K *DIFFERENTIAL INPUT RESISTANCE RIN1 15 20 30MEG *COMMON MODE INPUT RESISTANCE RIN2 16 20 30MEG DIN1 15 10 DB DIN2 18 15 DB DIN3 16 10 DB DIN4 18 16 DB CIN1 15 18 2P CIN2 16 18 2P VOS 17 32 0.4M *INPUT OFFSET VOLTAGE ERR1 32 15 111 20 1 *DC PSRR AND CMRR RC1 13 18 200 RC2 14 18 200 C1 13 19 0.3P RZ 19 14 250 FSUP 18 10 VS1 1 *TO COMPENSATE SUPPLY CURRENT ***************** GP 20 101 14 13 2.5M RP 101 20 400 CP 101 102 35.0P RZ1 102 20 3.2K ***************** *GAIN STAGE *80dB GAIN GA 21 20 101 20 12.57M RO1 21 20 795.77 GB 22 20 21 20 1 RO2 22 20 1K EF 23 20 22 20 1 CC 23 21 10P *DOMINANT POLE AT 20KHZ EG 20 18 10 18 0.5 GCP 22 20 110 20 10 *CMRR AND PSRR AC RESPONSE ***** DVL1 22 33 DA *OUTPUT VOLTAGE LIMITING VMIN1 59 33 0.0 DVL2 34 22 DA VMIN2 34 60 0.0 ELIM2 59 61 10 18 0.5 ELIM1 63 60 10 18 0.5 ECOMP2 62 20 65 66 1 ECOMP1 64 20 65 66 1 HCOMP2 62 61 VIS3 77.59 HCOMP1 64 63 VIS3 31 ***************** EOUT 65 20 22 20 1 *VOLTAGE FOLLOWER ROUT1 65 66 1M VIS3 66 67 0V *OUTPUT CURRENT SENSE ***************** *CURRENT LIMIT DSC1 67 68 DA DSC2 69 67 DA DSC3 69 70 DA DSC4 70 68 DA ISC1 68 69 24MA *LIMITING CURRENT T0 17MA RSC 67 70 1MEG ***************** *AC OUTPUT IMPEDENCE ROUT2 70 75 0.1M RLOAD 75 20 10MEG ***************** *SUPPLY CURRENT *BIAS CURRENT DSUP 18 10 DB ISUP 10 18 620UA *BIAS CURRENT *LOAD CURRENT FSUP1 20 77 VIS3 1 CSUP 77 20 1P DSUP1 20 77 DB DSUP2 77 78 DB VIS4 78 20 0V FSUP2 10 18 VIS4 1 ***************** **PSRR DC AND AC ESUP1 79 20 10 18 1 CPSRR 79 80 120P RPSRR 80 20 80 GPSRR1 20 110 80 20 0.015 *AC GPSRR2 20 111 79 20 316U *DC -70dB RRR1 111 20 1 RRR 110 20 1 ***************** **CMRR DC AND AC ECM1 20 81 18 12 1 CCM 81 82 20P RCM 82 20 5.0 ECM 31 20 82 20 1 RCM1 31 30 20 CCM1 30 20 1200P GCM1 20 110 30 20 0.07 *AC GCM2 20 111 81 20 10U *DC -100dB ***************** *MAX COMMON MODE INPUT VCC-2.4V DIL 12 83 DA RIL 83 84 62.5 VIL 85 84 1.0V EIL 85 18 10 18 1 ***************** **MINIMUM SUPPLY VOLTAGE SET AT +2.7V DVL3 18 12 DA DVL4 12 86 DA FVL 86 18 VIS5 1 VVL 87 18 2.7V VIS5 87 88 0V DVL5 88 89 DA RVL 89 90 300 EVL1 90 18 10 18 1 ********************************************************** .MODEL QP1 PNP(IS=16E-15 BF=275) .MODEL QP2 PNP(IS=16E-15 BF=245) .MODEL DA D(N=0.1M) .MODEL DB D(IS=100E-14) ********************************************************** .ENDS *$