* BUF634X SIMPLIFIED CIRCUIT MACROMODEL * CREATED 1/2/95 SB * REV. A * * ------------------------------------------------------------------------ * | NOTICE: THE INFORMATION PROVIDED HEREIN IS BELIEVED TO BE RELIABLE; | * | HOWEVER; BURR-BROWN ASSUMES NO RESPONSIBILITY FOR INACCURACIES OR | * | OMISSIONS. BURR-BROWN ASSUMES NO RESPONSIBILITY FOR THE USE OF THIS | * | INFORMATION, AND ALL USE OF SUCH INFORMATION SHALL BE ENTIRELY AT | * | THE USER'S OWN RISK. NO PATENT RIGHTS OR LICENSES TO ANY OF THE | * | CIRCUITS DESCRIBED HEREIN ARE IMPLIED OR GRANTED TO ANY THIRD PARTY. | * | BURR-BROWN DOES NOT AUTHORIZE OR WARRANT ANY BURR-BROWN PRODUCT FOR | * | USE IN LIFE-SUPPORT DEVICES AND/OR SYSTEMS. | * ------------------------------------------------------------------------ * * CONNECTIONS: INPUT * | POSITIVE POWER SUPPLY * | | NEGATIVE POWER SUPPLY * | | | OUTPUT * | | | | .SUBCKT BUF634X 1 80 90 16 * RIN 1 2 200 R1 6 13 500 R2 4 9 500 RO1 15 16 5 RO2 16 17 5 R5 20 90 150 R6 23 90 12E3 R7 94 90 60 R8 98 90 40 R9 80 85 40 R10 80 86 60 CP 1 2 1E-10 C1 13 0 1.5E-12 C2 9 0 1.5E-12 CO 16 0 2E-12 Q1 5 2 3 QN 8 Q2 8 2 7 QP 8 Q3 4 8 94 QN 8 Q4 6 5 86 QP 8 Q5 90 9 10 QP 8 Q6 80 13 12 QN 8 Q7 90 10 17 QP 96 Q8 80 12 15 QN 96 Q9 22 21 20 QN 2 Q10 5 21 20 QN 2 Q11 22 24 80 QP 4 Q12 8 22 24 QP 4 D1 3 4 DX 8 D2 85 5 DX 8 D3 8 98 DX 8 D4 6 7 DX 8 D5 11 10 DX 2 D6 12 11 DX 2 D8 21 23 DX 2 D9 80 24 DX 4 D10 7 73 DX 8 D11 73 3 DX 8 ISS 80 21 60E-6 *Input Errors VOS 2 102 30E-3 IB 80 1 5E-6 CIN 1 0 6E-12 *Input Protection Circuit R29 2 57 1E3 R30 16 58 1E3 Q57 16 57 2 QN 4 Q58 2 58 16 QN 4 V1 16 57 3 V2 2 58 3 *Short Circuit Current Protection R24 15 14 1.5E3 R25 14 16 1E3 R26 16 18 1E3 R27 18 17 1.5E3 Q35 86 14 16 QN Q36 94 18 16 QP .MODEL DX D(IS=8E-16) .MODEL QN NPN(IS=1E-15 BF=200) .MODEL QP PNP(IS=1E-15 BF=200) .ENDS BUF634X