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AK4458VN PDF预览

AK4458VN

更新时间: 2024-11-21 14:50:15
品牌 Logo 应用领域
AKM 转换器
页数 文件大小 规格书
90页 2285K
描述
D/A Converter, 1 Func, Serial Input Loading, PQCC48, QFN-48

AK4458VN 技术参数

生命周期:Active包装说明:HVQCCN,
Reach Compliance Code:unknown风险等级:1.64
Is Samacsys:N最大模拟输出电压:2.95 V
最小模拟输出电压:-2.95 V转换器类型:D/A CONVERTER
输入位码:2'S COMPLEMENT BINARY输入格式:SERIAL
JESD-30 代码:S-PQCC-N48长度:7 mm
位数:32功能数量:1
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度:1 mm
标称供电电压:5 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
宽度:7 mmBase Number Matches:1

AK4458VN 数据手册

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[AK4458]  
AK4458  
115dB 768kHz 32-bit 8ch Premium DAC  
1. General Description  
The AK4458 is a 32-bit 8ch Premium DAC, which achieves industry’s best low distortion characteristics by a  
newly developed low distortion technology. It corresponds to a 768kHz PCM input and an 11.2MHz DSD  
input at maximum, suitable for play backing high resolution audio sources that are becoming widespread in  
network audios, USB-DACs and Car Audio Systems. In addition, OSR-Doublertechnology is newly  
adopted, making the AK4458 capable of supporting wide range signals and achieving low out-of-band noise  
while realizing low power consumption. Moreover, the AK4458 has five types of 32-bit digital filters,  
realizing simple and flexible sound making in wide range of applications.  
Application: AV Receivers, CD/SACD Players, Network Audios, USB DACs, USB Headphones, Sound  
Plate/Bars, Car Audios, Automotive External Amplifiers, Measuring Instruments and Control  
Systems.  
2. Features  
(1) DR, S/N: 115dB  
(2) THD+N: -107dB  
(3) 256x Over sampling (OSR - Doubler)  
(4) Sampling Rate: 8kHz 768kHz  
(5) 32Bit 8x Digital Filter  
- Ripple: 0.0032dB, Attenuation: 80dB (Sharp Roll-Off Filter Setting)  
- Five Types of High Quality Sound Filter Option  
- Sharp Roll-Off Filter  
- Slow Roll-Off Filter  
- Short Delay Sharp Roll-Off Filter (GD=5.8/fs)  
- Short Delay Slow Roll-Off Filter (GD=4.8/fs)  
- Super Slow Roll-Off Filter  
(6) High Tolerance to Clock Jitter  
(7) Low Distortion Differential Output  
(8) DSD data input  
(9) Daisy Chain  
(10) Digital De-emphasis for 32, 44.1, 48kHz sampling  
(11) Soft Mute  
(12) Digital Attenuator (255 levels and 0.5dB step)  
(13) I/F Format:  
- 24/32bit MSB justified  
- 16/20/24/32bit  
- LSB justified  
- I2S  
- DSD  
- TDM  
(14) 3-wire Serial and I2C μP I/F  
(15) Master Clock:  
- 30kHz ~ 32kHz: 1152fs  
- 30kHz ~ 54kHz: 512fs or 768fs  
- 30kHz ~ 108kHz: 256fs or 384fs  
- 108kHz ~ 216kHz: 128fs or 192fs  
~ 384kHz: 64fs or 128fs  
~ 768kHz: 64fs  
014011794-E-02  
2017/07  
- 1 -  

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