ZHCSJ01B January 2019 – August 2019 OPA1671
PRODUCTION DATA.
This design uses an OPA1671 as a preamplifier for an electret microphone. Electret microphone types are common in many audio applications of varying performance levels. The OPA1671 offers very low noise in a tiny package, and is designed for use in electret preamplifier circuits.
Figure 34 shows the solution.