(China (Mainland))
Product Summary
The MT93L16AQ is a CMOS Low-Voltage Acoustic Echo Canceller. The MT93L16AQ contains two echo cancellers, as well as the many control functions necessary to operate the echo cancellers. The applications of the MT93L16AQ are Full duplex speaker-phone for digital telephone, Echo cancellation for video conferencing, Handsfree in automobile environment, Full duplex speaker-phone for PC.
Parametrics
MT93L16AQ absolute maximum ratings: (1)Supply Voltage:-0.5 to 5.0 V; (2)Input Voltage:VSS-0.3 to 5.5 V; (3)Output Voltage Swing:VSS-0.3 to 5.5 V; (4)Continuous Current on any digital pin:±20 mA; (5)Storage Temperature:-65 to 150 °C; (6)Package Power Dissipation:90(typ)mW.
Features
MT93L16AQ features: (1)Advanced NLP design - full duplex speech with no switched loss on audio paths; (2)Fast re-convergence time: tracks changing echo environment quickly; (3)Adaptation algorithm converges even during Double-Talk; (4)Designed for exceptional performance in high background noise environments; (5)Provides protection against narrow-band signal divergence; (6)Howling prevention stops uncontrolled oscillation in high loop gain conditions; (7)Offset nulling of all PCM channels; (8)Serial micro-controller interface; (9)ST-BUS, GCI, or variable-rate SSI PCM interfaces.
Diagrams
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