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PCM1750U PDF预览

PCM1750U

更新时间: 2024-11-12 22:44:31
品牌 Logo 应用领域
BB 转换器
页数 文件大小 规格书
18页 242K
描述
Dual CMOS 18-Bit Monolithic Audio ANALOG-TO-DIGITAL CONVERTER

PCM1750U 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-28Reach Compliance Code:unknown
风险等级:5.81最大模拟输入电压:2.75 V
最小模拟输入电压:-2.75 V最长转换时间:20.8 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-PDSO-G28
JESD-609代码:e0最大线性误差 (EL):0.003%
标称负供电电压:-5 V模拟输入通道数量:1
位数:18功能数量:1
端子数量:28最高工作温度:70 °C
最低工作温度:输出位码:2'S COMPLEMENT BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:+-5 V认证状态:Not Qualified
采样并保持/跟踪并保持:SAMPLE子类别:Analog to Digital Converters
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

PCM1750U 数据手册

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®
PCM1750P  
PCM1750U  
Dual CMOS 18-Bit Monolithic Audio  
ANALOG-TO-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
DUAL 18-BIT LOW-POWER CMOS AUDIO  
The PCM1750 is a low cost, dual 18-bit CMOS  
analog-to-digital converter optimized for dynamic sig-  
nal applications. The PCM1750 features true co-phased  
inputs with an internal sample/hold function for each  
channel. The PCM1750 also comes complete with an  
internal reference. Total power dissipation is less than  
300mW max using ±5V voltage supplies. Low maxi-  
mum Total Harmonic Distortion + Noise (–88dB max)  
is 100% tested. The very fast PCM1750 is capable  
of 4X x audio bandwidth oversampling rates on both  
input channels simultaneously, providing greater free-  
dom to designers in selecting input anti-aliasing fil-  
ters.  
A/D CONVERTER  
FAST 4.5µs MIN CONVERSION TIME  
INCLUDING S/H  
VERY LOW MAX THD+N: –88dB Without  
External Adjust  
COMPLETE WITH INTERNAL  
REFERENCE AND DUAL S/H FUNCTION  
TWO CO-PHASE SAMPLED, ±2.75V  
AUDIO INPUTS  
CAPABLE OF 4X PER CHANNEL  
OVERSAMPLING RATE  
PCM1750 outputs serial data in a format that is com-  
patible with many digital filter chips and comes pack-  
aged in a space saving 28-pin plastic DIP or SOIC.  
RUNS ON ±5V SUPPLIES AND  
DISSIPATES 300mW MAX  
COMPACT 28-PIN PLASTIC DIP OR SOIC  
MSB Adj Left  
Reference  
Offset Adj Left  
CDAC  
S/H  
Left  
V
Left  
IN  
Comp  
18-Bit SAR  
SOUT Left  
Latch  
Latch  
Clock  
Shift Register  
Control Logic  
Convert  
SOUT Right  
18-Bit SAR  
Comp  
V
Right  
IN  
CDAC  
Right  
S/H  
Offset Adj Right  
Reference  
MSB Adj Right  
International Airport Industrial Park  
Mailing Address: PO Box 11400  
Cable: BBRCORP  
Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd.  
Tucson, AZ 85706  
Tel: (520) 746-1111  
Twx: 910-952-1111  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
®
© 1990 Burr-Brown Corporation  
PDS-1084B  
Printed in U.S.A. October, 1993  

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