® ETC5054 ETC5057 SERIAL INTERFACE CODEC/FILTER COMPLETE CODEC AND FILTERING SYSTEM (DEVICE) INCLUDING: – Transmit high-pass and low-pass filtering.
– Receive low-pass filter with sin x/x correction.
– Active RC noise filters – µ-law or A-law compatible COder and DECoder.
– Internal precision voltage reference.
– Serial I/O interface.
– Internal auto-zero circuitry.
A-LAW 16 PINS (ETC5057FN, 20 PINS) µ-LAW WITHOUT SIGNALING, 16 PINS (ETC5054FN, 20 PINS) MEETS OR EXCEEDS ALL D3/D4 AND CCITT SPECIFICATIONS ±5V OPERATION LOW OPERATING POWER - TYPICALLY 60 mW POWER-DOWN STANDBY MODE - TYPICALLY 3 mW AUTOMATIC POWER-DOWN TTL OR CMOS COMPATIBLE DIGITAL INTERFACES MAXIMIZES LINE INTERFACE CARD CI...

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