ZC7906
Voice Processor SoC

ZC7906 is a high-performance and low-power consumption voice processor SoC with echo cancellation and noise suppression function. It can be LQFP48 and QFN40 for different application. ZC7906 is ideal for any portable application with stringent requirements for battery life and power consumption.

APPLICATION

● Hands-free car kit
● VoIP handset
● speaker phone

PLATFORM

● DSP engine with Hardware Accelerator
● Enhanced CODEC
● 2 channel 16-bit ADCs
● 2 channel 16-bit DACs
● Built-in hardware accelerator & RAM, ROM
● On-chip microphone amplifier
● Built-in PLL for the clock generation
● UART interface to external controller
● Support external EEPROM
● Software program gain control for each
● Differential analog input to reduce RF interference
● Analog input/output (ADC/DAC)

FEATURE

● Superior full-duplex
● Use one microphone mode, easy for application.
● AEC (acoustic echo cancellation):  60dB
● Acoustic echo tail length coverage:  up to 64 -128 ms
● Side tone cancellation:  25 ~ 35dB
● Noise suppression:  20 dB
● AGC

POWER

● Power down mode: <300 uA
● Power consumption ~50mA

PACKAGE

● LQFP48 
● QFN40