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ADS7881IRGZTG4 PDF预览

ADS7881IRGZTG4

更新时间: 2024-02-03 19:04:04
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
31页 833K
描述
1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQCC48, PLASTIC, QFN-48

ADS7881IRGZTG4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC48,.27SQ,20针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.41
最大模拟输入电压:2.6 V最小模拟输入电压:
最长转换时间:0.205 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:S-PQCC-N48JESD-609代码:e4
长度:7 mm最大线性误差 (EL):0.0244%
湿度敏感等级:2模拟输入通道数量:1
位数:12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输出位码:BINARY
输出格式:PARALLEL, 8 BITS, PARALLEL, WORD封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN封装等效代码:LCC48,.27SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:3.3/5,5 V
认证状态:Not Qualified采样速率:4 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:1 mm
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:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7 mmBase Number Matches:1

ADS7881IRGZTG4 数据手册

 浏览型号ADS7881IRGZTG4的Datasheet PDF文件第2页浏览型号ADS7881IRGZTG4的Datasheet PDF文件第3页浏览型号ADS7881IRGZTG4的Datasheet PDF文件第4页浏览型号ADS7881IRGZTG4的Datasheet PDF文件第5页浏览型号ADS7881IRGZTG4的Datasheet PDF文件第6页浏览型号ADS7881IRGZTG4的Datasheet PDF文件第7页 
ꢀ ꢁꢂ ꢃꢄ ꢄꢅ  
SLAS400B − SEPTEMBER 2003 − REVISED NOVEMBER 2005  
ꢅꢆ ꢇ ꢈꢉ ꢊꢋ ꢌꢇ ꢍ ꢂ ꢎꢂ  
ꢏ ꢐꢑ ꢎꢐꢑ ꢒꢓ ꢂꢀ ꢓ ꢀ ꢔꢀꢏ ꢐꢕ ꢇ ꢊꢐ ꢇ ꢁꢉ ꢕ ꢉꢊꢀꢏ ꢖꢐ ꢔ ꢗꢒ ꢓꢊꢒ ꢓ  
FEATURES  
APPLICATIONS  
D
D
D
D
D
D
D
D
D
D
D
4 MHz Sample Rate, 12-Bit Resolution  
Zero Latency  
Unipolar, Pseudo Differential Input, Range:  
− 0 V to 2.5 V  
High Speed Parallel Interface  
71 dB SNR and −88.5 dB THD at 1 MHz I/P  
Power Dissipation 95 mW at 4 MSPS  
Nap Mode (10 mW Power Dissipation)  
Power Down (10 mW)  
D
Optical Networking (DWDM, MEMS Based  
Switching)  
D
D
D
D
D
Spectrum Analyzers  
High Speed Data Acquisition Systems  
High Speed Close-Loop Systems  
Telecommunication  
Ultra-Sound Detection  
Internal Reference  
Internal Reference Buffer  
48-Pin TQFP and QFN Packages  
DESCRIPTION  
The ADS7881 is a 12-bit 4-MSPS A-to-D converter with  
2.5-V internal reference. The device includes a capacitor  
based SAR A/D converter with inherent sample and hold.  
The device offers a 12-bit parallel interface with an  
additional byte mode that provides easy interface with 8-bit  
processors. The device has a pseudo-differential input  
stage.  
The −IN swing of 200 mV is useful to compensate for  
ground voltage mismatch between the ADC and sensor  
and also to cancel common-mode noise. With nap mode  
enabled, the device operates at lower power when used at  
lower conversion rates. The device is available in 48-pin  
TQFP and QFN packages.  
BYTE  
SAR  
Output  
Latches  
and  
3-State  
Drivers  
+
_
+IN  
−IN  
CDAC  
12/8-Bit Parallel  
Data Output Bus  
Comparator  
CLOCK  
REFIN  
CONVST  
Conversion  
and  
Control Logic  
BUSY  
CS  
2.5 V  
RD  
REFOUT  
Internal  
Reference  
PWD/RST  
A_PWD  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
ꢎꢓ ꢐ ꢁꢘ ꢖ ꢊꢉ ꢐꢔ ꢁ ꢀꢊꢀ ꢙꢚ ꢛꢜ ꢝ ꢞꢟ ꢠꢙꢜꢚ ꢙꢡ ꢢꢣ ꢝ ꢝ ꢤꢚꢠ ꢟꢡ ꢜꢛ ꢥꢣꢦ ꢧꢙꢢ ꢟꢠꢙ ꢜꢚ ꢨꢟ ꢠꢤꢩ ꢎꢝ ꢜꢨꢣ ꢢꢠꢡ  
ꢢ ꢜꢚ ꢛꢜꢝ ꢞ ꢠꢜ ꢡ ꢥꢤ ꢢ ꢙ ꢛꢙ ꢢ ꢟ ꢠꢙ ꢜꢚꢡ ꢥ ꢤꢝ ꢠꢪꢤ ꢠꢤ ꢝ ꢞꢡ ꢜꢛ ꢊꢤꢫ ꢟꢡ ꢉꢚꢡ ꢠꢝ ꢣꢞ ꢤꢚꢠ ꢡ ꢡꢠ ꢟꢚꢨ ꢟꢝ ꢨ ꢬ ꢟꢝ ꢝ ꢟ ꢚꢠꢭꢩ  
ꢎꢝ ꢜ ꢨꢣꢢ ꢠ ꢙꢜ ꢚ ꢥꢝ ꢜ ꢢ ꢤ ꢡ ꢡ ꢙꢚ ꢮ ꢨꢜ ꢤ ꢡ ꢚꢜꢠ ꢚꢤ ꢢꢤ ꢡꢡ ꢟꢝ ꢙꢧ ꢭ ꢙꢚꢢ ꢧꢣꢨ ꢤ ꢠꢤ ꢡꢠꢙ ꢚꢮ ꢜꢛ ꢟꢧ ꢧ ꢥꢟ ꢝ ꢟꢞ ꢤꢠꢤ ꢝ ꢡꢩ  
Copyright 2003 − 2005, Texas Instruments Incorporated  

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