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DDC264CZAWR PDF预览

DDC264CZAWR

更新时间: 2024-11-14 12:44:39
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
26页 482K
描述
64-Channel, Current-Input Analog-to-Digital Converter

DDC264CZAWR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:BGA
包装说明:LFBGA, BGA100,10X10,32针数:100
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:12 weeks
风险等级:1.27转换器类型:ADC, DELTA-SIGMA
JESD-30 代码:S-PBGA-B100JESD-609代码:e1
长度:9 mm最大线性误差 (EL):0.00015%
湿度敏感等级:3模拟输入通道数量:64
位数:20功能数量:1
端子数量:100最高工作温度:70 °C
最低工作温度:输出位码:OFFSET BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:LFBGA封装等效代码:BGA100,10X10,32
封装形状:SQUARE封装形式:GRID ARRAY, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260电源:3,5 V
认证状态:Not Qualified采样并保持/跟踪并保持:SAMPLE
座面最大高度:1.5 mm子类别:Analog to Digital Converters
标称供电电压:5 V表面贴装:YES
温度等级:COMMERCIAL端子面层:Tin/Silver/Copper (Sn/Ag/Cu)
端子形式:BALL端子节距:0.8 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:9 mmBase Number Matches:1

DDC264CZAWR 数据手册

 浏览型号DDC264CZAWR的Datasheet PDF文件第2页浏览型号DDC264CZAWR的Datasheet PDF文件第3页浏览型号DDC264CZAWR的Datasheet PDF文件第4页浏览型号DDC264CZAWR的Datasheet PDF文件第5页浏览型号DDC264CZAWR的Datasheet PDF文件第6页浏览型号DDC264CZAWR的Datasheet PDF文件第7页 
DDC264  
www.ti.com  
SBAS368C MAY 2006REVISED JULY 2011  
64-Channel, Current-Input  
Analog-to-Digital Converter  
Check for Samples: DDC264  
The DDC264 has a serial interface designed for  
daisy-chaining in multi-device systems. Simply  
connect the output of one device to the input of the  
next to create the chain. Common clocking feeds all  
the devices in the chain so that the digital overhead  
in a multi-DDC264 system is minimal.  
1
FEATURES  
2
Single-Chip Solution to Directly Measure 64  
Low-Level Currents  
Proven High-Precision, True Integrating  
Architecture with 100% Charge Collection  
Easy Upgrade for Existing DDC Family  
Applications  
Very Low Power: 3mW/channel  
Extremely Linear:  
INL = ±0.025% of Reading ±1.0ppm of FSR  
Low Noise: 6.3ppm of FSR  
Adjustable Full-Scale Range  
Adjustable Speed  
The DDC264 uses a +5V analog supply and a +2.7V  
to +3.6V digital supply. Bypass capacitors within the  
DDC264 package help minimize the external  
component requirements. Operating over the  
temperature range of 0°C to +70°C, the DDC264  
BGA-100 package is offered in two versions: the  
DDC264C for low-power applications, and the  
DDC264CK when higher speeds are required.  
AVDD  
VREF  
DVDD  
Data Rates up to 6kSPS with 20-bit  
Performance  
Integration Times as low as 160μs  
0.2mF  
0.3mF  
0.1mF  
Daisy-Chainable Serial Interface  
In-Package Bypass Capacitors Simplify PCB  
Design  
Dual  
Switched  
Integrator  
CLK  
IN1  
IN2  
CONV  
DS  
Configuration  
and  
Control  
ADC  
DIN_CFG  
CLK_CFG  
RESET  
Dual  
Switched  
Integrator  
APPLICATIONS  
CT Scanner DAS  
Photodiode Sensors  
X-Ray Detection Systems  
Dual  
Switched  
Integrator  
IN3  
IN4  
DS  
ADC  
DVALID  
DCLK  
DOUT  
DIN  
Dual  
Switched  
Integrator  
DESCRIPTION  
The DDC264 is a 20-bit, 64-channel, current-input  
analog-to-digital (A/D) converter. It combines both  
current-to-voltage and A/D conversion so that 64  
separate low-level current output devices, such as  
photodiodes, can be directly connected to its inputs  
and digitized.  
Dual  
Switched  
Integrator  
IN61  
IN62  
Serial  
Interface  
DS  
ADC  
Dual  
Switched  
Integrator  
For each of the 64 inputs, the DDC264 uses the  
proven dual switched integrator front-end. This  
configuration  
integration: while one integrator is being digitized by  
the onboard A/D converter, the other is integrating  
the input current. This architecture provides both a  
very stable offset and a loss-less collection of the  
input current. Adjustable integration times range from  
160μs to 1s, allowing currents from fAs to μAs to be  
continuously measured with outstanding precision.  
allows  
for  
continuous  
current  
Dual  
Switched  
Integrator  
IN63  
IN64  
DS  
ADC  
Dual  
Switched  
Integrator  
AGND  
DGND  
Protected by US Patent #5841310  
1
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.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 20062011, Texas Instruments Incorporated  

DDC264CZAWR 替代型号

型号 品牌 替代类型 描述 数据表
DDC264CZAW TI

完全替代

64-Channel, Current-Input Analog-to-Digital Converter

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