DA7218 datasheet(13/154 Pages) RENESAS

13 / 154 page

Ultra-Low Power Stereo Codec

R32DS0004EE0370 Revision 3.7

Aug 9, 2024

CFR0011-120-00

Page 13

Terms and Definitions

ADC

Analog to Digital Converter

AGS

ADC Gain Swap (input Dynamic Range Extension)

ALC

Automatic Level Control

ANC

Active Noise Cancelling

BIQ

Biquad Filter

CIC

Cascaded Integrator and Comb

DAC

Digital to Analog Converter

DAI

Digital Audio Interface

DGS

DAC Gain Swap (output Dynamic Range Extension)

DMIC

Digital Microphone

DRE

Dynamic Range Extension

DTMF

Dual Tone Multi-Frequency

DWA

Data-Weighted Averager

HBM

Human Body Model

HPF

High-Pass Filter

I2C

Inter-Integrated Circuit interface

I2S

Inter-IC Sound

LDO

Low Dropout Regulator

LPF

Low-Pass Filter

MCLK

Master Clock

Program Counter

PDM

Pulse Density Modulated

PGA

Programmable Gain Amplifier

PLL

Phase Locked Loop

PSRR

Power Supply Rejection Ratio [4]

Resistance-Capacitance

System Controller

SDM

Sigma Delta Modulator

SNR

Signal to Noise Ratio [5]

SRM

Sample Rate Matching

SWG

Sine Wave Generator

TDM

Time Division Multiplexing

THD+N

Total Harmonic Distortion plus Noise [6]

VCO

Voltage-Controlled Oscillator

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