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AK4342EN PDF预览

AK4342EN

更新时间: 2024-11-04 04:32:03
品牌 Logo 应用领域
AKM 转换器数模转换器
页数 文件大小 规格书
43页 563K
描述
24-Bit Stereo DAC with HP-AMP & 2V Line-Out

AK4342EN 技术参数

生命周期:Obsolete零件包装代码:QFN
包装说明:VQCCN,针数:32
Reach Compliance Code:unknown风险等级:5.83
Is Samacsys:N最大模拟输出电压:2.2 V
最小模拟输出电压:1.8 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-XQCC-N32长度:5 mm
位数:24功能数量:1
端子数量:32最高工作温度:85 °C
最低工作温度:-30 °C封装主体材料:UNSPECIFIED
封装代码:VQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE认证状态:Not Qualified
座面最大高度:0.9 mm标称供电电压:3.3 V
表面贴装:YES温度等级:OTHER
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD宽度:5 mm
Base Number Matches:1

AK4342EN 数据手册

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ASAHI KASEI  
[AK4342]  
AK4342  
24-Bit Stereo DAC with HP-AMP & 2V Line-Out  
GENERAL DESCRIPTION  
The AK4342 is a 24-bit stereo DAC with 2Vrms lineout, an integrated headphone amplifier, and an  
auxiliary line output. The AK4342 features an analog mixing circuit that enables a simple interface to  
external analog audio sources. The integrated headphone amplifier features “click-free” power-on/off, a  
mute control and delivers 62.5mW of power at 16@ 3.3V. The AK4342 is controlled via an I2C or 3-wire  
interface, and is available in a 32-pin QFN package.  
FEATURE  
† Multi-bit 24-bit ∆Σ DAC  
† Sampling Rate: 8kHz to 96kHz  
† 8 times Oversampling FIR interpolator  
- Passband: 20kHz  
- Passband Ripple: ±0.02dB  
- Stopband Attenuation: 54dB  
† Audio I/F Format: MSB First, 2’s Complement  
- I2S, 24bit MSB justified, 24bit/20bit/16bit LSB justified  
† Master Clock:  
- Normal Speed Mode: 256fs/384fs/512fs/768fs  
- Double Speed Mode: 128fs/192fs/256fs/384fs  
- Half Speed Mode: 512fs/768fs  
† Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz  
† Analog volume control:  
- Headphone: +6dB to – 48dB, Variable Step Size  
- Lineout: 0dB to – 31dB, 1dB step  
† Digital Linear Attenuator  
† Digital Soft Mute  
† Analog Mixing Circuit  
† µP Interface: 3-wire/I2C (400kHz mode)  
† Pop Noise Free at Power-ON/OFF and Mute  
† DAC Performance (Lineout)  
- THD+N: -88dB  
- Dynamic Range: 100dB  
- Output Level: 2Vrms  
† DAC Performance (Aux-Out)  
- THD+N: -87dB  
- Dynamic Range: 95dB  
† Headphone Amplifier (Cap-less)  
- Output Power: 62.5mW x 2ch @16, 3.3V  
- THD+N: -60dB @ 25mW  
- Dynamic Range: 95dB  
† Power Supply:  
- DAC & Output Buffers: 2.7V 3.6V  
- Digital Interface: 1.6V 3.6V  
† Power Supply Current: 30.5mA (Headphone amp off)  
† Ta: 30 85°C  
† Package: 32pin QFN  
MS0506-E-02  
2006/07  
- 1 -  

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