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DDC232CKGXGT PDF预览

DDC232CKGXGT

更新时间： 2024-11-14 21:09:51
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
34页 752K
描述
32-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PBGA64, PLASTIC, BGA-64

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DDC232CKGXGT 技术参数

生命周期：Obsolete零件包装代码：BGA
包装说明：LFBGA, BGA64,8X8,32针数：64
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.34
最大模拟输入电压：5.25 V转换器类型：ADC, DELTA-SIGMA
JESD-30 代码：S-PBGA-B64长度：8 mm
最大线性误差 (EL)：0.05%模拟输入通道数量：32
位数：20功能数量：1
端子数量：64最高工作温度：70 °C
最低工作温度：输出位码：BINARY, 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：BGA64,8X8,32
封装形状：SQUARE封装形式：GRID ARRAY, LOW PROFILE, FINE PITCH
电源：3,5 V认证状态：Not Qualified
采样速率：0.003125 MHz座面最大高度：1.45 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
端子形式：BALL端子节距：0.8 mm
端子位置：BOTTOM宽度：8 mm
Base Number Matches：1

DDC232CKGXGT 数据手册

 浏览型号DDC232CKGXGT的Datasheet PDF文件第2页浏览型号DDC232CKGXGT的Datasheet PDF文件第3页浏览型号DDC232CKGXGT的Datasheet PDF文件第4页浏览型号DDC232CKGXGT的Datasheet PDF文件第5页浏览型号DDC232CKGXGT的Datasheet PDF文件第6页浏览型号DDC232CKGXGT的Datasheet PDF文件第7页 
DDC232  
www.ti.com  
SBAS331D –AUGUST 2004–REVISED APRIL 2010  
32-Channel, Current-Input  
Analog-to-Digital Converter  
Check for Samples: DDC232  
The DDC232 uses a +5V analog supply and a +2.7V  
to +3.6V digital supply. Operating over the  
temperature range of 0°C to +70°C, the DDC232  
BGA-64 package is offered in two versions: the  
DDC232C for low-power applications, and the  
DDC232CK when higher speeds are required.  
1
FEATURES  
2
•
Single-Chip Solution to Directly Measure 32  
Low-Level Currents  
•
•
High-Precision, True Integrating Function  
Integral Linearity:  
±0.025% of Reading ±1.0ppm of FSR  
AVDD  
VREF  
0.1mF  
DVDD  
•
•
•
•
Very Low Noise: 5.3ppm of FSR  
Low Power: 7mW/channel  
Adjustable Full-Scale Range  
Adjustable Speed  
0.1mF  
0.1mF  
Dual  
Switched  
Integrator  
CLK  
–
–
Data Rate up to 6kSPS  
IN1  
IN2  
CONV  
DS  
Integration Times as low as 166.5ms  
Configuration  
and  
Control  
ADC  
DIN_CFG  
CLK_CFG  
RESET  
•
•
Daisy-Chainable Serial Interface  
Dual  
Switched  
Integrator  
In-Package Bypass Capacitors Simplify PCB  
Design  
Dual  
Switched  
Integrator  
IN3  
IN4  
APPLICATIONS  
DS  
•
•
•
CT Scanner DAS  
Photodiode Sensors  
X-Ray Detection Systems  
ADC  
DVALID  
DCLK  
DOUT  
DIN  
Dual  
Switched  
Integrator  
DESCRIPTION  
Dual  
Switched  
Integrator  
The DDC232 is a 20-bit, 32-channel, current-input  
analog-to-digital (A/D) converter. It combines both  
current-to-voltage and A/D conversion so that 32  
separate low-level current output devices, such as  
photodiodes, can be directly connected to its inputs  
and digitized.  
IN29  
IN30  
Serial  
Interface  
DS  
ADC  
Dual  
Switched  
Integrator  
For each of the 32 inputs, the DDC232 provides a  
dual-switched integrator front-end. This configuration  
allows for continuous current integration: while one  
integrator is being digitized by the onboard A/D  
converter, the other is integrating the input current.  
Adjustable integration times range from 166ms to 1s,  
allowing currents from fAs to mAs to be continuously  
measured with outstanding precision.  
Dual  
Switched  
Integrator  
IN31  
IN32  
DS  
ADC  
Dual  
Switched  
Integrator  
AGND  
DGND  
Protected by US Patent #5841310  
The DDC232 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-DDC232 system is minimal.  
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.  
2
All trademarks are the property of their respective owners.  
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 © 2004–2010, Texas Instruments Incorporated  
 
 
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