Document
ES8218E
Low Power Audio ADC
FEATURES
System
• High performance and low power multibit delta-sigma audio ADC
• I2S/PCM master or slave serial data port • Two pairs of analog input with
differential input option • 256/384Fs and USB 12/24 MHz system
clocks • Fast power up time • I2C interface
ADC
• 24-bit, 8 to 96 kHz sampling frequency • 96 dB signal to noise ratio, -85 dB
THD+N • Low noise pre-amplifier • Auto level control (ALC) and noise gate • High PSRR • Shelving filter to compensate mic
frequency response • Support digital mic
Low Power • 1.8V to 3.3V operation • 9 mW record • Low standby current
APPLICATIONS
• Wireless remote • Portable audio
ORDERING INFORMATION
ES8218E -40°C ~ +85°C QFN-20
1
Everest Semiconductor
1. BLOCK DIAGRAM
Confidential
ES8218E
ASDOUT SCLK LRCK
CDATA CCLK CE MCLK
Clock Mgr
I2C
I2S/PCM
LIN2 LIN1
RIN1 RIN2
PGA PGA
Mono ADC
ADC ALC
Analog Reference
Power Supply
DVDD PVDD DGND AVDD AGND
ADCVREF VMID
Revi.