2PCS OPA1612AID convert to 1PCS QUAD OP AMP Replace OPA4228PA OPA4134PA TL084CN OPA1612 (dual channel) bipolar input operational amplifier can achieve very low noise density (1.1nV/√Hz) and ultra-low distortion (0.000015%) at 1kHz. In addition, these devices also have a high output drive capability of ±30mA. byJuly 5, 2026