* MAX4249 FAMILY MACROMODELS * ------------------------- * FEATURES: * 22MHz Gain Bandwidth Product (MAX4255, MAX4257) * 3MHz Gain Bandwidth Product (MAX4250, MAX4252, MAX4254) * 400uA Typical Supply Current * Rail-to-Rail I/O * Available in 5-Pin SOT23 (MAX4250) * 8-Pin uMAX/SO (MAX4252) * 14-Pin SO (MAX4254) * 5-Pin SOT23 (MAX4255) * 8-Pin uMAX/SO (MAX4257) * * PART NUMBER DESCRIPTION * ___________ ________________________________ * MAX4250 Single 3MHz, Minimum Stable Gain = 1 * MAX4252 Dual 3MHz, Minimum Stable Gain = 1 * MAX4254 Quad 3MHz, Minimum Stable Gain = 1 * MAX4255 Single 22MHz, Minimum Stable Gain = 10 * MAX4257 Dual 22MHz, Minimum Stable Gain = 10 * * The Shutdown feature is not modeled (MAX4249, MAX4251, MAX4253, MAX4256). * * * * * ////////////// MAX4250 MACROMODEL ////////////////// * * ====> REFER TO MAX4249 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 50 97 * * .SUBCKT MAX4250 1 2 99 50 97 ****************INPUT STAGE********************** I1 99 4 .5e-3 M1 5 2 4 99 MOSFET R3 5 50 2828 M2 6 7 4 99 MOSFET R4 6 50 2828 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 1pa ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 7.87e-1 VB 9 10 0V R0 98 9 127E4 C3 10 98 1.112e-7 *C3 10 98 1.3E-10 *** *********** D107 10 99 Dx D103 10 100 Dx D104 100 99 Dx F100 100 99 POLY(1) VB -.32E-1 1 * was -1.6E-1 **** D108 50 10 Dx D105 101 10 Dx D106 50 101 Dx F2 50 101 POLY(1) VB -.32E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .68V V12 112 50 .58V ************ I2 99 50 -.5ma Isupply 99 50 400ua 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 8p * *************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-6 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E6 D3 32 36 Dx D4 37 32 Dx V5 97 37 1V V4 36 97 1v *V5,V4 SET ISC R16 34 197 20 LOUT 197 97 8.0uh 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) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.250 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was -1.7 * .Ends * * * * * ////////////// MAX4252 MACROMODEL ////////////////// * * ====> REFER TO MAX4249 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 50 97 * * .SUBCKT MAX4252 1 2 99 50 97 ****************INPUT STAGE********************** I1 99 4 .5e-3 M1 5 2 4 99 MOSFET R3 5 50 2828 M2 6 7 4 99 MOSFET R4 6 50 2828 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 1pa ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 7.87e-1 VB 9 10 0V R0 98 9 127E4 C3 10 98 1.112e-7 *C3 10 98 1.3E-10 *** *********** D107 10 99 Dx D103 10 100 Dx D104 100 99 Dx F100 100 99 POLY(1) VB -.32E-1 1 * was -1.6E-1 **** D108 50 10 Dx D105 101 10 Dx D106 50 101 Dx F2 50 101 POLY(1) VB -.32E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .68V V12 112 50 .58V ************ I2 99 50 -.5ma Isupply 99 50 400ua 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 8p * *************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-6 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E6 D3 32 36 Dx D4 37 32 Dx V5 97 37 1V V4 36 97 1v *V5,V4 SET ISC R16 34 197 20 LOUT 197 97 8.0uh 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) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.250 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was -1.7 * .Ends * * * * * ////////////// MAX4254 MACROMODEL ////////////////// * * ====> REFER TO MAX4249 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 50 97 * * .SUBCKT MAX4254 1 2 99 50 97 ****************INPUT STAGE********************** I1 99 4 .5e-3 M1 5 2 4 99 MOSFET R3 5 50 2828 M2 6 7 4 99 MOSFET R4 6 50 2828 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 1pa ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 7.87e-1 VB 9 10 0V R0 98 9 127E4 C3 10 98 1.112e-7 *C3 10 98 1.3E-10 *** *********** D107 10 99 Dx D103 10 100 Dx D104 100 99 Dx F100 100 99 POLY(1) VB -.32E-1 1 * was -1.6E-1 **** D108 50 10 Dx D105 101 10 Dx D106 50 101 Dx F2 50 101 POLY(1) VB -.32E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .68V V12 112 50 .58V ************ I2 99 50 -.5ma Isupply 99 50 400ua 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 8p * *************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-6 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E6 D3 32 36 Dx D4 37 32 Dx V5 97 37 1V V4 36 97 1v *V5,V4 SET ISC R16 34 197 20 LOUT 197 97 8.0uh 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) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.250 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was -1.7 * .Ends * * * * * ////////////// MAX4255 MACROMODEL ////////////////// * * ====> REFER TO MAX4249 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 50 97 * * .SUBCKT MAX4255 1 2 99 50 97 ****************INPUT STAGE********************** I1 99 4 .5e-3 M1 5 2 4 99 MOSFET R3 5 50 2828 M2 6 7 4 99 MOSFET R4 6 50 2828 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 1pa ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 7.87e-1 VB 9 10 0V R0 98 9 127E4 C3 10 98 1.5e-8 *** *********** D107 10 99 Dx D103 10 100 Dx D104 100 99 Dx F100 100 99 POLY(1) VB -.32E-1 1 * was -1.6E-1 **** D108 50 10 Dx D105 101 10 Dx D106 50 101 Dx F2 50 101 POLY(1) VB -.32E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .68V V12 112 50 .58V ************ I2 99 50 -.5ma Isupply 99 50 400ua 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 35p * was 25u *************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-6 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E6 D3 32 36 Dx D4 37 32 Dx V5 97 37 13V V4 36 97 13v *V5,V4 SET ISC R16 34 197 150 LOUT 197 97 4uh 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) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.250 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was -1.7 * .Ends * * * * * ////////////// MAX4257 MACROMODEL ////////////////// * * ====> REFER TO MAX4249 DATA SHEET <==== * * connections: non-inverting input * | inverting input * | | positive power-supply * | | | negative power-supply * | | | | output * | | | | | * OUTPUT CONNECTS: 1 2 99 50 97 * * .SUBCKT MAX4257 1 2 99 50 97 ****************INPUT STAGE********************** I1 99 4 .5e-3 M1 5 2 4 99 MOSFET R3 5 50 2828 M2 6 7 4 99 MOSFET R4 6 50 2828 DP1 1 99 DA DP2 50 1 DA DP3 2 99 DB DP4 50 2 DB Ibiase 7 4 1pa ************************ ************ GAIN, 1ST POLE, SLEW STAGE************ EH 99 98 99 50 0.5 G0 98 9 5 6 7.87e-1 VB 9 10 0V R0 98 9 127E4 C3 10 98 1.5e-8 *** *********** D107 10 99 Dx D103 10 100 Dx D104 100 99 Dx F100 100 99 POLY(1) VB -.32E-1 1 * was -1.6E-1 **** D108 50 10 Dx D105 101 10 Dx D106 50 101 Dx F2 50 101 POLY(1) VB -.32E-1 -1 *** ********** D1 9 111 DX D2 112 9 DX V11 99 111 .68V V12 112 50 .58V ************ I2 99 50 -.5ma Isupply 99 50 400ua 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 35p * was 25u *************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-6 *** ^ INSERT NODE FROM LAST STAGE HERE R15 98 32 1E6 D3 32 36 Dx D4 37 32 Dx V5 97 37 13V V4 36 97 13v *V5,V4 SET ISC R16 34 197 150 LOUT 197 97 4uh 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) .MODEL Dp D(N=0.001) .MODEL MOSFET PMOS(VTO=.250 KP=1.8E-3) *VTO ESTABLISHES INPUT VOLT. RANGE , was -1.7 * .Ends