MC33121 Overview
Key Specifications
Package: DIP
Operating Voltage: 5 V
Length: 26.415 mm
Width: 7.62 mm
Key Features
- wire side of a central office, or PBX, and the 2
- wire subscriber line. Interface functions include battery feed, proper loop termination AC impedance, hookswitch detection, adjustable transmit, receive, and transhybrid gains, and single/ double fault indication. Additionally, the MC33121 provides a minimum of 58 dB of longitudinal balance (4