* MAX4240 FAMILY MACROMODELS * ------------------------- * FEATURES: * Rail-to-Rail Output * Ultra-Low-Voltage * Available in 5-Pin SOT23-5 (MAX4240) * 8-Pin uMAX/SO (MAX4242) * 14-Pin SO (MAX4244) * * * PART NUMBER DESCRIPTION * ___________ _____________________________________ * MAX4240 Single, +1.8V/10uA, SOT23, Op Amp * MAX4242 Dual, +1.8V/10uA, Op Amp * MAX4244 Quad, +1.8V/10uA, Op Amp * * Notes: The shutdown feature is not modeled (MAX4241/MAX4243). * Output swing optimized for 10K load only * slew rate 36v/usec, gbw=87K, Vos=0v, Ib=0 with rload from data sheet * Input common mode range and output swing drops * when operating at 1.8V single supply. * * ////////////// MAX4240 MACROMODEL ////////////////// * * ====> REFER TO MAX4240 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 250 97 * * .SUBCKT MAX4240 1 2 99 250 97 ****************INPUT STAGE********************** *vnegative 250 50 190mv vneg 250 50 0v *** 190mv I1 99 4 5e-6 M1 5 2 4 99 MOSFET R3 5 50 12000 M2 6 7 4 99 MOSFET R4 6 50 12000 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 0na ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 149E-9 R0 98 9 40.07E9 C3 10 98 .25p VB 9 10 0v *** *********** *D107 10 99 Dx *D103 10 100 Dx *D104 100 99 Dx *F100 100 99 POLY(1) VB -1.6E-1 1 **** *D108 50 10 Dx *D105 101 10 Dx *D106 50 101 Dx *F2 50 101 POLY(1) VB -1.6E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .15V V12 112 50 .15V *** was.28v ************ Isupply 99 50 5ua VOS 7 1 0v *CHANGE OFFSET VOLTAGE TO 0V FOR OPEN-LOOP, OTHERWISE VOS *********COMMON-MODE ZERO STAGE******** ******* POLE STAGE ********** G3 98 15 10 98 1E-3 R12 98 15 1E3 *************************** *********** change for second pole C5 98 15 1.3nf * *************OUTPUT STAGE**************** F5 99 38 VA8 1 D9 40 38 DX D10 38 99 DX VA7 99 40 0 G12 98 32 15 98 1E-4 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E4 D3 32 36 Dx D4 37 32 Dx V5 97 37 -.2V V4 36 97 0V *** -.2, 0 *V5,V4 SET ISC R16 34 97 130 *LOUT 197 97 .4nh E1 99 33 99 32 1 VA8 33 34 0V ****************************************** .MODEL DA D(IS=100E-14 RS=.5K) .MODEL DB D(IS=100E-14 RS=.5K) .MODEL DX D(IS=100E-14 RS=0) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.25 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was .25 * .Ends * * * * * ////////////// MAX4242 MACROMODEL ////////////////// * * ====> REFER TO MAX4240 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 250 97 * * .SUBCKT MAX4242 1 2 99 250 97 ****************INPUT STAGE********************** *vnegative 250 50 190mv vneg 250 50 0v *** 190mv I1 99 4 5e-6 M1 5 2 4 99 MOSFET R3 5 50 12000 M2 6 7 4 99 MOSFET R4 6 50 12000 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 0na ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 149E-9 R0 98 9 40.07E9 C3 10 98 .25p VB 9 10 0v *** *********** *D107 10 99 Dx *D103 10 100 Dx *D104 100 99 Dx *F100 100 99 POLY(1) VB -1.6E-1 1 **** *D108 50 10 Dx *D105 101 10 Dx *D106 50 101 Dx *F2 50 101 POLY(1) VB -1.6E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .15V V12 112 50 .15V *** was.28v ************ Isupply 99 50 5ua VOS 7 1 0v *CHANGE OFFSET VOLTAGE TO 0V FOR OPEN-LOOP, OTHERWISE VOS *********COMMON-MODE ZERO STAGE******** ******* POLE STAGE ********** G3 98 15 10 98 1E-3 R12 98 15 1E3 *************************** *********** change for second pole C5 98 15 1.3nf * *************OUTPUT STAGE**************** F5 99 38 VA8 1 D9 40 38 DX D10 38 99 DX VA7 99 40 0 G12 98 32 15 98 1E-4 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E4 D3 32 36 Dx D4 37 32 Dx V5 97 37 -.2V V4 36 97 0V *** -.2, 0 *V5,V4 SET ISC R16 34 97 130 *LOUT 197 97 .4nh E1 99 33 99 32 1 VA8 33 34 0V ****************************************** .MODEL DA D(IS=100E-14 RS=.5K) .MODEL DB D(IS=100E-14 RS=.5K) .MODEL DX D(IS=100E-14 RS=0) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.25 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was .25 * .Ends * * * * * ////////////// MAX4244 MACROMODEL ////////////////// * * ====> REFER TO MAX4240 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 250 97 * * .SUBCKT MAX4244 1 2 99 250 97 ****************INPUT STAGE********************** *vnegative 250 50 190mv vneg 250 50 0v *** 190mv I1 99 4 5e-6 M1 5 2 4 99 MOSFET R3 5 50 12000 M2 6 7 4 99 MOSFET R4 6 50 12000 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 0na ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 149E-9 R0 98 9 40.07E9 C3 10 98 .25p VB 9 10 0v *** *********** *D107 10 99 Dx *D103 10 100 Dx *D104 100 99 Dx *F100 100 99 POLY(1) VB -1.6E-1 1 **** *D108 50 10 Dx *D105 101 10 Dx *D106 50 101 Dx *F2 50 101 POLY(1) VB -1.6E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .15V V12 112 50 .15V *** was.28v ************ Isupply 99 50 5ua VOS 7 1 0v *CHANGE OFFSET VOLTAGE TO 0V FOR OPEN-LOOP, OTHERWISE VOS *********COMMON-MODE ZERO STAGE******** ******* POLE STAGE ********** G3 98 15 10 98 1E-3 R12 98 15 1E3 *************************** *********** change for second pole C5 98 15 1.3nf * *************OUTPUT STAGE**************** F5 99 38 VA8 1 D9 40 38 DX D10 38 99 DX VA7 99 40 0 G12 98 32 15 98 1E-4 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E4 D3 32 36 Dx D4 37 32 Dx V5 97 37 -.2V V4 36 97 0V *** -.2, 0 *V5,V4 SET ISC R16 34 97 130 *LOUT 197 97 .4nh E1 99 33 99 32 1 VA8 33 34 0V ****************************************** .MODEL DA D(IS=100E-14 RS=.5K) .MODEL DB D(IS=100E-14 RS=.5K) .MODEL DX D(IS=100E-14 RS=0) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.25 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was .25 * .Ends