AS2525B
44-TQFP
55379186-AS2525B
IC HANDSFREE TELEPH CMOS 44-TQFP
The order of a filter also indicates the minimum number of reactive components that the filter will require. For example, a third-order filter requires at least three reactive components one capacitor and two inductors, two capacitors and one inductor, or in the case of an active filter, three capacitors.