* MAX4145 MACROMODEL * ------------------------------ * Revision 0, 7/2006 * ------------------------------ * The MAX4145 differential line receiver offer unparalleled high-speed, low-distortion * performance. Using a three-opamp instrumentation amplifier architecture, this IC has * fully differential inputs and a single ended output. * --------------------------------- * Parameters which are not modeled. * --------------------------------- * 1. Differential gain and phase. * 2. Input noise voltage and current * 3. PSRR AC response * 4. SFDR ******************************************************* *$ *MODEL PIN NAMES ARE SAME AS THE DEVICE PIN NAMES .SUBCKT MAX4145 VEE IN- RG- SD RG+ IN+ REF OUT SNS VCC XIAMP_4145A VCC VEE IN- RG- A1 EN IAMP_4145 XIAMP_4145B VCC VEE IN+ RG+ A2 EN IAMP_4145 XOAMP_4145 VCC VEE A4 A5 OUTA EN OAMP_4145 XSHDN_4145 VCC VEE SD EN SHDN_4145 RDIFF IN+ IN- 1.02MEG R1 A1 A3 700 R2 A2 A4 700 RF1 RG- A1 700 RF2 RG+ A2 700 RSENSE A3 SNS 700 RREF A4 REF 700 VOUT OUTA OUT 0V *PSRR AND CMRR ERR A3 A5 POLY(2) CM2 G1 PS1 G1 0 1 1 EG1 G1 VEE VCC VEE 0.5 *PSRR EPSRR PS1 G1 VCC VEE 30.23U *CMRR ECM CM1 VEE POLY(2) A1 G1 A2 G1 0 0.5 0.5 RCM1 CM1 CM2 22K RCM2 CM2 G1 0.1 CCM1 CM1 CM2 0.2P *SUPPLY CURRENT ISUP VCC VEE 0.8M GSUP VCC VEE EN VEE 10.2M FIL1 VEE I1 VOUT 1 DI1 VEE I1 DA DI2 I1 I2 DA RI1 I2 VEE 1 GI VCC VEE I2 VEE 1 .MODEL DA D(IS=100E-14 N=10M) .ENDS MAX4145 ******************************************************* ***************************************** *INPUT STAGE OPAMP .SUBCKT IAMP_4145 VCC VEE IN+ IN- OUT EN EVCC VCC1 VEE VCC VEE 1 GBIAS VCC1 B1 EN VEE 4.2M RE1 B1 B2 103 RE2 B1 B3 103 QI1 B4 B6 B2 QP1 QI2 B5 B7 B3 QP2 RC1 B4 VEE 116.44 RC2 B5 VEE 116.44 C1 B4 B5 1.9P *OFFSET VOS B6 B8 0.6M ** VIN1 B7 IN+ 0 VIN2 B8 IN- 0 CI1 B7 VEE 1P *PROTECTION DIN1 VEE B8 DB DIN2 B8 VCC DB DIN3 VEE B7 DB DIN4 B7 VCC DB ** DIP1 B7 IP1 DC DIP2 IP1 IP2 DC DIP3 IP2 IP3 DC DIP4 IP3 IP4 DC DIP5 IP4 B8 DC ** DIP6 B8 IP5 DC DIP7 IP5 IP6 DC DIP8 IP6 IP7 DC DIP9 IP7 IP8 DC DIP10 IP8 B7 DC *REF GND EG1 G0 VEE VCC VEE 0.5 *GAIN STAGE GA1 GS1 G0 B4 B5 10M RA1 GS1 G0 1K GB1 GS2 G0 GS1 G0 1 RB1 GS2 G0 1K EA1 OUT G0 GS2 G0 1 CC1 OUT GS1 7.94P VL1 GL1 G0 2.8 VL2 GL2 G0 -2.8 DL1 GS2 GL1 DA DL2 GL2 GS2 DA .MODEL QP1 PNP(IS=16E-15 BF=139.7 KF=6.7E-14) .MODEL QP2 PNP(IS=16E-15 BF=138.1 KF=6.7E-14) .MODEL DA D(IS=100E-14 N=10M) .MODEL DB D(IS=100E-14) .MODEL DC D(IS=100E-14 N=0.75) .ENDS IAMP_4145 ***************************************** ***************************************** *OUTPUT STAGE OPAMP .SUBCKT OAMP_4145 VCC VEE IN+ IN- OUT EN EVCC VCC1 VEE VCC VEE 1 GBIAS VCC1 B1 EN VEE 2.62M RE1 B1 B2 96 RE2 B1 B3 96 QI1 B4 B6 B2 QP1 QI2 B5 B7 B3 QP2 RC1 B4 VEE 116.44 RC2 B5 VEE 116.44 C1 B4 B10 1.5P R1 B5 B10 1.05K *OFFSET VOS B6 B8 0.0M ** VIN1 B7 IN+ 0 VIN2 B8 IN- 0 CI1 B7 VEE 1P CI2 B8 VEE 1P *REF GND EG1 G0 VEE VCC VEE 0.5 *GAIN STAGE GA1 GS1 G0 B4 B5 10M RA1 GS1 G0 1K GB1 GS2 G0 GS1 G0 1 RB1 GS2 G0 1K EA1 OUT1 G0 GS2 G0 1 CC1 OUT1 GS1 4.9P *4.38P ROUT OUT1 OUT2 5.5 ** VL1 GL1 G0 3.8 VL2 GL2 G0 -3.8 DL1 GS2 GL1 DA DL2 GL2 GS2 DA *CURRENT LIMIT DO1 OUT2 GL3 DA DO2 OUT GL3 DA DO3 GL4 OUT2 DA DO4 GL4 OUT DA GOUT GL3 GL4 EN VEE 0.1 RSD1 GL3 GL4 1MEG .MODEL QP1 PNP(IS=16E-15 BF=350) .MODEL QP2 PNP(IS=16E-15 BF=350) .MODEL DA D(IS=100E-14 N=10M) .MODEL DB D(IS=100E-14) .ENDS OAMP_4145 ***************************************** ***************************************** *SHUTDOWN CONTROL .SUBCKT SHDN_4145 VCC VEE SD EN ISD SD VEE 60N VSH1 SH1 VEE 2.1V RSH1 SH2 SD1 16K DSH1 SD1 SD DA VSH2 SH2 VEE 2V GSH1 VEE EN1 POLY(2) SD SH2 EN1 VEE 0 1M 1.2M DSH2 VEE EN1 DA DSH3 EN1 SH3 DA VSH3 SH3 VEE 1V CSH1 EN1 VEE 5P EEN EN VEE SH3 EN1 1 .MODEL DA D(IS=100E-14 N=1M) .ENDS SHDN_4145 ***************************************** *$