Electrical / Computer Engineering Guide
 > Operational Amplifier Comparison 
For Audio Applications
Part # Slew Rate
(V/µS typ)
Input Offset Voltage
(V max)
Input Bias Current
(A max)
Supply Voltage
(V max)
Input Impedance
(Ohm)
CMRR
dB
THD
1k
Amps per chip Price Notes  
LT1012 00.2 0.000 05 0.000 000 000 15 +/- 20 (40)   132   1 $7.13 (1), $3.95 (100) - Digikey LT1012ACN8#PBF-ND    
MXL1013 00.4 0.000 3 0.000 000 03 +/-22 (44) 300 000 000 114   2      
OP275 22 0.001 0.000 000 35 +/-22 (44)   106 0.0006% 2 $2.13 (1), $1.275 (100) - Digikey OP275GPZ-ND JFET  
OPA2134 20 0.002 0.000 000 000 1 +/- 18 (36) 10 000 000 000 000 100 0.00008% 2 $2.63 (1), $1.58 (100) - Mouser 595-OPA2134PA FET  
TL072 16 0.01 0.000 000 000 2 +/- 18 (36) 1 000 000 000 000 086 0.01% 2 $0.74 (1), $0.63 (100) - Mouser 511-TL072ACN JFET  
TL082 16 0.01 0.000 000 000 2 +/- 18 (36) 1 000 000 000 000 086 0.01% 2 $0.30 (1), $0.23 (100) - Mouser 511-TL082CN JFET  
LM324 00.4 0.005 0.000 000 15 +/- 16 (32)   080 0.015% 4 $0.26 (1), $0.21 (100) - Mouser 511-LM324AN    
KF353 13 0.005 0.000 000 000 05 +/- 18 (36) 1 000 000 000 000 100   2 $0.51 (1), $0.30 (100) - Mouser 512-KF353 JFET