Revision 11.0
Low Power Mono Audio CODEC
FEATURES
System
• High performance and low power multi-bit delta-sigma audio ADC and DAC
• I2S/PCM master or slave serial data port
• 256/384Fs, USB 12/24 MHz and other non standard audio system clocks
• I2C interface
ADC
• 24-bit, 8 to 96 kHz sampling frequency
• 100 dB signal to noise ratio, -93 dB THD+N
• One pair of analog input with differential input option
• Low noise pre-amplifier
• Noise reduction filters
• Auto level control (ALC) and noise gate
• Support analog and digital microphone
DAC
• 24-bit, 8 to 96 kHz sampling frequency
• 110 dB signal to noise ratio, -80 dB THD+N
• One pair of analog output with headphone driver and differential output option
• Dynamic range compression
• Pop and click noise suppression
Low Power
• 1.8V to 3.3V operation
• 14 mW playback and record
• Low standby current
APPLICATIONS
• Automotive
• Phone
• Toy
• 2-way radio
• Dash cam
• IP Camera
• DVR, NVR
• Surveillance
ORDERING INFORMATION
ES8311 -40°C ~ +105°C
QFN-20
PIN OUT AND DESCRIPTION
| Pin Name | Pin number | Input or Output | Pin Description |
|---|---|---|---|
| CCLK, CDATA, CE | 1, 19, 20 | I, I/O, I | I2C clock, data, address |
| MCLK | 2 | I | Master clock |
| SCLK/DMIC_SCL | 6 | I/O | Serial data bit clock/DMIC bit clock |
| LRCK | 8 | I/O | Serial data left and right channel frame clock |
| ASDOUT | 7 | O | ADC serial data output |
| DSDIN | 9 | I | DAC serial data input |
| MIC1P/DMIC_SDA | 18 | I | Mic input |
| MIC1N | 17 | I | Mic input |
| OUTP, OUTN | 12, 13 | O | Differential analog output |
| PVDD | 3 | Analog | Power supply for the digital input and output |
| DVDD, DGND | 4, 5 | Analog | Digital power supply |
| AVDD, AGND | 11, 10 | Analog | Analog power supply |
| VMID | 16 | Analog | Filtering capacitor connection |
| ADCVREF, DACVREF | 15, 14 | Analog | Filtering capacitor connection |
TYPICAL APPLICATION CIRCUIT
