5秒后页面跳转
DDC112UK PDF预览

DDC112UK

更新时间: 2024-10-27 22:29:27
品牌 Logo 应用领域
BB 转换器模数转换器光电二极管
页数 文件大小 规格书
24页 211K
描述
Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER

DDC112UK 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SO-28Reach Compliance Code:unknown
风险等级:5.69Is Samacsys:N
最大模拟输入电压:转换器类型:ADC, DELTA-SIGMA
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
最大线性误差 (EL):0.025%模拟输入通道数量:2
位数:20功能数量:2
端子数量:28最高工作温度:70 °C
最低工作温度:输出位码: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
采样速率:0.003 MHz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

DDC112UK 数据手册

 浏览型号DDC112UK的Datasheet PDF文件第2页浏览型号DDC112UK的Datasheet PDF文件第3页浏览型号DDC112UK的Datasheet PDF文件第4页浏览型号DDC112UK的Datasheet PDF文件第5页浏览型号DDC112UK的Datasheet PDF文件第6页浏览型号DDC112UK的Datasheet PDF文件第7页 
®
DDC112  
DDC112  
For most current data sheet and other product  
information, visit www.burr-brown.com  
Dual Current Input 20-Bit  
ANALOG-TO-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
MONOLITHIC CHARGE MEASUREMENT ADC  
The DDC112 is a dual input, wide dynamic range,  
charge-digitizing analog-to-digital converter (ADC) with  
20-bit resolution. Low level current output devices,  
such as photosensors, can be directly connected to its  
inputs. Charge integration is continuous as each input  
uses two integrators; while one is being digitized, the  
other is integrating.  
DIGITAL FILTER NOISE REDUCTION:  
3.2ppm, rms  
INTEGRAL LINEARITY:  
±0.005% Reading ±0.5ppm FSR  
HIGH PRECISION, TRUE INTEGRATING  
For each of its two inputs, the DDC112 combines  
current-to-voltage conversion, continuous integration,  
programmable full-scale range, A/D conversion, and  
digital filtering to achieve a precision, wide dynamic  
range digital result. In addition to the internal program-  
mable full-scale ranges, external integrating capacitors  
allow an additional user-settable full-scale range of up  
to 1000pC.  
FUNCTION  
PROGRAMMABLE FULL SCALE  
SINGLE SUPPLY  
CASCADABLE OUTPUT  
APPLICATIONS  
DIRECT PHOTOSENSOR DIGITIZATION  
To provide single-supply operation, the internal ADC  
utilizes a differential input, with the positive input tied  
to VREF. When the integration capacitor is reset at the  
beginning of each integration cycle, the capacitor  
charges to VREF. This charge is removed in proportion  
to the input current. At the end of the integration cycle,  
CT SCANNER DAS  
INFRARED PYROMETER  
PRECISION PROCESS CONTROL  
LIQUID/GAS CHROMATOGRAPHY  
BLOOD ANALYSIS  
the remaining voltage is compared to VREF  
.
The high-speed serial shift register which holds the  
result of the last conversion can be configured to allow  
multiple DDC112 units to be cascaded, minimizing  
interconnections. The DDC112 is available in a SO-28  
package and is offered in two performance grades.  
Protected by US Patent #5841310  
AVDD  
AGND  
VREF  
DVDD DGND  
CAP1A  
CAP1A  
CHANNEL 1  
DCLK  
IN1  
Dual  
Switched  
Integrator  
DVALID  
CAP1B  
CAP1B  
∆Σ  
Modulator  
DXMIT  
DOUT  
DIN  
Digital  
Filter  
Digital  
Input/Output  
CAP2A  
CAP2A  
CHANNEL 2  
RANGE2  
RANGE1  
RANGE0  
IN2  
Control  
Dual  
Switched  
Integrator  
CAP2B  
CAP2B  
TEST  
CLK  
CONV  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
• Tel: (520) 746-1111  
Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP Telex: 066-6491  
FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132  
©1997 Burr-Brown Corporation  
PDS-1421D  
Printed in U.S.A. January, 2000  

与DDC112UK相关器件

型号 品牌 获取价格 描述 数据表
DDC112UK/1K TI

获取价格

Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER
DDC112UK/1KG4 TI

获取价格

2-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28, GREEN, PLASTIC, SOIC-28
DDC112Y TI

获取价格

Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER
DDC112Y/250 TI

获取价格

Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER
DDC112Y/250G4 TI

获取价格

Dual Current Input 20-Bit Analog-To-Digital Converter 32-TQFP -40 to 85
DDC112Y/2K TI

获取价格

Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER
DDC112Y/2KG4 TI

获取价格

Dual Current Input 20-Bit Analog-To-Digital Converter 32-TQFP -40 to 85
DDC112Y-250 ETC

获取价格

PCB FOOTPRINT EXPERT
DDC112YK/250 TI

获取价格

Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER
DDC112YK/2K TI

获取价格

Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER