PDF, 2.6 Mb, Language: en, Revision: 3, File published: Oct, 2018, Pages: 79
Ultra Low Power Voice Codec
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CMX655D/CMX655A
Ultra Low Power Voice Codec CML Microcircuits
COMMUNICATION SEMICONDUCTORS
D/655/3 October 2018 Provisional Features Applications Analogue and digital microphone support
High efficiency Class-D amplifier
Ultra Low power consumption
16 bit audio data
Supports conventional telephony and HD voice (300Hz -3.4kHz
and 50Hz -7kHz bandwidths)
Supports audio bandwidths up to 21kHz
Supports 8/16/32/48 ksps sample rates
Flexible serial audio interface
SPI™/TWI control interface1 Security alarm panels
Glass break detection
Intercom and access systems
Mobile radio and accessories
Wired telephony
Voice controlled equipment Small 24-lead VQFN Package Analogue
Interface VREF Filtering Signal
processing PLL and
internal osc MCLK I2S/PCM audio
interface LRCLK/FS
BCLK …
