* MAX4419 MACROMODEL * ------------------------------ * Revision 0, 10/2003 * ------------------------------ * MAX4419 is a low-cost, low-power, ultra-small quad opamp operating * from a single +2.7V to +5.5V supply and have rail to rail outputs. * It achieves a 150MHz -3dB bandwidth and a 470V/us slew-rate while consuming * only 1.6mA of supply current per amplifier. * ------------------------------ * Connections * 1 = OUTA * 2 = INA- * 3 = INA+ * 4 = VCC * 5 = INB+ * 6 = INB- * 7 = OUTB * 8 = OUTC * 9 = INC- * 10 = INC+ * 11 = VEE * 12 = IND+ * 13 = IND- * 14 = OUTD ************************************************* .SUBCKT MAX4419 1 2 3 4 5 6 7 8 9 10 11 12 13 14 X1 3 11 2 1 4 MAX4419AMP X2 5 11 6 7 4 MAX4419AMP X3 10 11 9 8 4 MAX4419AMP X4 2 11 13 14 4 MAX4419AMP .ENDS ************************************************* ***************** .SUBCKT MAX4419AMP 1 2 3 4 5 *INPUT STAGE **************** RQ 5 2 25K **************** CIN 3 1 1.8P **************** VOS 99 1 0.5M **************** IEE 5 6 1.4M RE1 6 40 452 RE2 6 50 452 C1 20 30 2.7P Q1 20 3 40 QX Q2 30 99 50 QY RC1 20 2 500 RC2 30 2 500 **************** *INTERMEDIATE STAGE *POWER SUPPLY REJECTION ZERO AND POLE GPS 21 22 5 2 9.559M RPS1 22 23 16.95 RPS2 23 21 1K LPS 23 21 2.652U *COMMON MODE REJECTION ZERO AND POLE GCM 21 24 6 2 2.268M RCM1 24 25 10.09 RCM2 25 21 1K LCM 25 21 1.59U *GAIN STAGES GPSA 21 31 22 21 10U GCMA 21 31 24 21 10U GA 31 21 20 30 11.47M R2 31 21 100K C2 31 33 9.2P E1 33 21 32 21 1 GB 32 21 31 21 0.279M RO2 32 21 31.268K **************** *LEVEL SHIFTING STAGE ELEV1 21 51 5 0 0.5 ELEV2 52 2 5 2 -0.5 CLEV 52 51 1E9 RLEV 51 2 1 **************** *OUTPUT CLAMPING VOHO 5 11 105M D9 32 11 DX D10 12 32 DX VOLO 12 2 35M **************** EBUFF 88 2 32 2 1 **************** *CURRENT LIMITING STAGE D5 88 9 DX D6 4 9 DX D7 10 88 DX D8 10 4 DX ILIMIT 9 10 85M **************** *MODELS USED .MODEL QX PNP(BF=444.444) .MODEL QY PNP(BF=560) .MODEL DX D(N=1M) **************** .ENDS ****************