Features: · Low voltage operation (1.5v : speech)· Transmit, receive, side tone and DTMF level are controlled by external resistors· Regulated voltage for dialer· Loop length equalization· MUTE function· Linear interface for DTMFPinoutSpecifications Characteristics Symbol Value Uni...
KA2425A: Features: · Low voltage operation (1.5v : speech)· Transmit, receive, side tone and DTMF level are controlled by external resistors· Regulated voltage for dialer· Loop length equalization· MUTE func...
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Characteristics |
Symbol |
Value |
Unit |
V+ Voltage VDD (V+ = 0) MT,MS inputs VLR Storage Temperature |
VC VDD VM VLR TSTG |
-1.0 ~ +18 -1.0 ~ +6 -1.0 ~ VDD +1 -1.0V~ V+ -3.0 -65 ~ +150 |
V V V V °C |
The KA2425A is telephone speech network integrated circuit which includes transmit amp, receive amp, side tone amp, DC loop interface function, DTMF input, voltage regulator for speech, a regulated output voltage for a dialer, and equalization circuit .