EEWORLDEEWORLDEEWORLD

Part Number

Search

AK4649

Description
24bit Stereo CODEC with MIC/SPK-AMP
File Size2MB,94 Pages
ManufacturerAKM [Asahi Kasei Microsystems]
Download Datasheet View All

AK4649 Overview

24bit Stereo CODEC with MIC/SPK-AMP

[AK4649VN]
AK4649VN
24bit Stereo CODEC with MIC/SPK-AMP
GENERAL DESCRIPTION
The AK4649VN features a stereo CODEC with a built-in Microphone-Amplifier and Speaker-Amplifier.
Input circuits include a Microphone-Amplifier and an ALC (Automatic Level Control) circuit, and Output
circuits include a Speaker-Amplifier. These circuits are suitable for portable application with
recording/playback function. The AK4649VN is available in 32pin QFN(5x5mm 0.5mm pitch) utilizing less
board space than competitive offerings.
FEATURES
1. Recording Function
Stereo Single-ended input with two Selectors
MIC Amplifier
(+29dB/+26dB/+23dB/+20dB/+16dB/+12dB/+9dB/+6dB/+3dB/0dB)
Digital ALC (Automatic Level Control)
- Setting Range: +36dB
∼ −54dB,
0.375dB Step
- Noise Suppression
ADC Performance: S/(N+D): 80dB, DR, S/N: 89dB (MIC-Amp=+20dB, AVDD=3.3V)
S/(N+D): 80dB, DR, S/N: 100dB (MIC-Amp=0dB, AVDD=3.3V)
Wind-noise Reduction Filter
5 Band Notch Filter
Stereo Separation Emphasis
Digital MIC Interface
2. Playback Function
Digital De-emphasis Filter (tc=50/15μs, fs=32kHz, 44.1kHz, 48kHz)
Digital ALC (Automatic Level Control)
- Setting Range: +36dB
∼ −54dB,
0.375dB Step
- Noise Suppression
Digital Volume Control:
- 0dB
∼ −18dB,
6dB Step & 256 Linear Step (+0dB
- 48.13dB & Mute)
Stereo Separation Emphasis
Stereo Line Output
- S/(N+D): 87dB, S/N: 97dB
Mono Speaker-Amp
- SPK-AMP Performance: S/(N+D): 60dB@150mW, S/N: 98dB
- BTL Output
- Output Power: 400mW@8Ω (SVDD=3.3V)
Analog Mixing: Mono Input
3. Power Management
4. Master Clock:
(1) PLL Mode
Frequencies: 11.2896MHz, 12MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin)
1fs (LRCK pin)
32fs or 64fs (BICK pin)
(2) External Clock Mode
Frequencies: 256fs, 512fs or 1024fs (MCKI pin)
5. Output Master Clock Frequencies: 32fs/64fs/128fs/256fs
PLL Slave Mode (LRCK pin): 7.35kHz
48kHz
PLL Slave Mode (BICK pin): 7.35kHz
48kHz
PLL Slave Mode (MCKI pin):
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
MS1506-E-00
-1-
2013/01
Pre-registration for the live broadcast with prizes | Detailed explanation of NXP's embedded human-machine interface solutions
NXP provides a comprehensive range of microcontroller and microprocessor products, which are widely used in industrial and consumer products. In industrial and consumer products, human-machine interfa...
EEWORLD社区 Integrated technical exchanges
Namisoft about virtual voltmeter design and virtual digital multimeter
Namisoft 's design of virtual voltmeter and virtual digital multimeterCreation of Namisoft NS- Multimeter subVI1. Right-click the icon in the upper right corner and select "Show Connection Panel"; rig...
zhouyunying Integrated technical exchanges
I didn’t go out in the spring because of the epidemic. Here is a guide to climbing Huashan Mountain - the first day of climbing in 2020
[i=s]This post was last edited by btty038 on 2020-5-17 01:02[/i]Arriving at the foot of the mountain with great passion This morning at the North GateFrom here on, there is a road that can be used by ...
btty038 Talking
Newly opened section - College Student Electronic Design Competition
[i=s]This post was last edited by paulhyde on 2014-9-15 09:51[/i] In response to the requests of all electronic engineering enthusiasts, we have opened a section for undergraduate electronic design co...
亲善大使 Electronics Design Contest
USB5537B, does not start after first power on, but restarts normally after power off
Has anyone used USB5537B before? It doesn't start up when powered on for the first time, but it works normally after power off and restart. What's going on? Please advise....
GUOLE Integrated technical exchanges
Couldn't find an AF_INET address for
[i=s]This post was last edited by ienglgge on 2018-10-27 01:35[/i] ubuntu 16.04 ros kinetic. Use ssh to connect to the lower computer. On the lower computer, run the camera signal publishing node. On ...
ienglgge Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1389  2750  1079  1703  1286  28  56  22  35  26 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号