Silvertel Ag2120-D PSTN PSTN接口/中央局接口电路（COIC），全功能，可编程输入和网络平衡阻抗，内部环路开关，可编程直流屏蔽，3.3V至5V供电电压，双列直插封装（DIL）

Dimensions: 51 mm x 19 mm x 11 mm

Interface Type: 2-Wire

Supply Voltage - Max: 3.47 V/5.25 V

Supply Voltage - Min: 3.13 V/4.75 V

Operating Supply Current: 20 mA

Operating Supply Voltage: 3.13 V/4.75 V to 3.47 V/5.25V

Maximum Operating Temperature: + 70 C

Minimum Operating Temperature: 0 C