AK4940VN数据手册集成电路（IC）的编解码器规格书PDF

描述 Description

The AK4940VN is an audio CODEC with gain amplifier for microphone and analog direct path. It is ideal for data communication modules (DCM). The AK4940VN is available in small 24-pin QFN (4 mm x 4 mm, 0.5mm pitch) package.

特性 Features

·Product Name：AK4940VN：AK4637VN：
·Function：
·Analog Direct Path：2 channels, Signal Amplitude max. 3Vpp；None；
·Analog Input Pin：2 channels Differential；1 Channel Differential；
·Analog Output Pin：2 channels differential + 1 channel Single-ended；1 Channel Differential：
·PLL with Loop Filter：Integrated；Integrated；
·Microcontroller Interface：I2C；I2C；
·Sampling Frequency：8 to 48kHz；8 to 48kHz；
·Analog Power Supply (AVDD)：3.0 to 3.6V；2.8 to 3.6V；
·Digital Core Power Supply (DVDD)：Not Necessary；1.6 to 1.98V；
·Digital I/O Power Supply (TVDD)：1.7 to 3.6V；1.6 to 3.6V；
·Operation Temperature Range：-40 to 105°C；-40 to 85°C；
·Package：24-pin QFN, 4 x 4mm, 0.5mm pitch；20-pin QFN, 3 x 3mm, 0.4mm pitch；
·AEC-Q100：Support (will be in May. 2019)；Supported (Dec. 2017)；
·Monaural 24-bit ADC：
·S/(N+D)：80dB；84dB；
·S/N：90dB；95dB；
·CMRR：80dB；Not Stated；
·Microphone Amplifier：-6 to 27dB / 3dB step；0 to 30dB / 3dB step；
·Digital Volume：+24 to -103dB / 0.5dB step, Mute；+36 to -52.5dB / 0.375dB, Mute；
·Monaural 24-bit DAC (Line Output)：
·S/(N+D)：80dB；85dB；
·S/N：90dB；94dB；
·Digital Volume：+12 to -115dB / 0.5dB step, Mute；+36 to -52.5dB / 0.375dB, Mute；

应用 Application

Automotive Modules, (Data Communication Module: DCM, Telematics Control Unit: TCU), Drive Recorders, In-Vehicle Information: IVI, e-Mirrors (electronic mirror)