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KA2425A
INTRODUCTION
SPEECH NETWORK WITH DIALER INTERFACE
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 .
8-DIP-300A
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 DTMF 20-SOP-375
ORDERING INFORMATION
Device KA2425B KA2425AD Package 18-DIP-300A 20-SOP-375 Operating Temperature - 20°C ~ + 60°C
PIN CONFIGURATION
MIC
1 2 3 4 5 6 7 8 9
Fig.
KA2425A Datasheet
