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AK4440EF PDF预览

AK4440EF

更新时间: 2024-11-18 07:16:11
品牌 Logo 应用领域
AKM 转换器数模转换器光电二极管
页数 文件大小 规格书
31页 585K
描述
192kHz 24-Bit 8ch DAC with 2Vrms Output

AK4440EF 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:9.70 X 7.60 MM, ROHS COMPLIANT, VSOP-3针数:3
Reach Compliance Code:unknown风险等级:5.8
转换器类型:D/A CONVERTER输入位码:2'S COMPLEMENT
输入格式:SERIAL, PARALLEL, WORDJESD-30 代码:R-PDSO-G30
长度:9.7 mm位数:24
功能数量:1端子数量:30
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
认证状态:Not Qualified座面最大高度:1.5 mm
标称供电电压:5 V表面贴装:YES
温度等级:OTHER端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:5.6 mmBase Number Matches:1

AK4440EF 数据手册

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[AK4440]  
AK4440  
192kHz 24-Bit 8ch DAC with 2Vrms Output  
GENERAL DESCRIPTION  
The AK4440 is a 5V 24-bit 8ch DAC with an integrated 2Vrms output buffer. A charge pump in the buffer  
develops an internal negative power supply rail that enables a ground-referenced 2Vrms output. Using  
AKM’s multi bit modulator architecture, the AK4440 delivers a wide dynamic range while preserving  
linearity for improved THD+N performance. The AK4440 integrates a combination of switched-capacitor  
and continuous-time filters, increasing performance for systems with excessive clock jitter. The 24-bit  
word length and 192kHz sampling rate make this part ideal for a wide range of consumer audio  
applications, such as DVD/BD, AV receiver, Home theater systems and set-top boxes. The AK4440 is  
offered in a space saving 30pin VSOP package.  
FEATURES  
† Sampling Rate Ranging from 8kHz to 192kHz  
† 128 times Oversampling (Normal Speed Mode)  
† 64 times Oversampling (Double Speed Mode)  
† 32 times Oversampling (Quad Speed Mode)  
† 24Bit 8 times FIR Digital Filter with Slow roll-off option  
† Switched-Capacitor Filter with High Tolerance to Clock Jitter  
† Single Ended 2Vrms Output Buffer  
† Digital De-emphasis Filter: 32kHz, 44.1kHz or 48kHz  
† Soft mute  
† Control I/F: 3-wire Serial and I2C Bus  
† Audio I/F format: MSB justified, LSB justified (16bit, 20bit, 24bit), I2S, TDM  
† Master clock: 256fs, 384fs, 512fs or 768fs or 1152fs (Normal Speed Mode)  
128fs, 192fs, 256fs or 384fs (Double Speed Mode)  
128fs or 192fs (Quad Speed Mode)  
† THD+N: -93dB  
† Dynamic Range: 105dB  
† Automatic Power-on Reset Circuit  
† Power Supply: +4.5 to +5.5V  
† Ta = -20 to 85°C  
† Small Package: 30 pin VSOP (9.7mm x 7.6mm)  
MS1088-E-01  
2011/03  
- 1 -  

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