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ADS1208IPWRG4 参数 Datasheet PDF下载

ADS1208IPWRG4图片预览
型号: ADS1208IPWRG4
PDF下载: 下载PDF文件 查看货源
内容描述: 2阶Δ-Σ调制器,激励霍尔元件 [2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements]
分类和应用: 转换器光电二极管
文件页数/大小: 22 页 / 369 K
品牌: BB [ BURR-BROWN CORPORATION ]
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ADS1208  
www.ti.com  
SBAS348AMARCH 2005REVISED MARCH 2005  
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated  
circuits be handled with appropriate precautions. Failure to observe proper handling and installation  
procedures can cause damage.  
ESD damage can range from subtle performance degradation to complete device failure. Precision  
integrated circuits may be more susceptible to damage because very small parametric changes could  
cause the device not to meet its published specifications.  
Package/Ordering Information  
For the most current package and ordering information, see the Package Option Addendum at the end of this  
document, or see the TI web site at www.ti.com.  
ABSOLUTE MAXIMUM RATINGS  
over operating free-air temperature range (unless otherwise noted)(1)  
ADS1208I  
–0.3 to +6  
UNIT  
V
Supply voltage, AGND to AVDD  
Supply voltage, BGND to BVDD  
–0.3 to +6  
V
Analog input voltage with respect to AGND  
Reference input voltage with respect to AGND  
Digital input voltage with respect to BGND  
Ground voltage difference AGND to BGND  
Input current to any pin except supply  
Power dissipation  
AGND – 0.3 to AVDD + 0.3  
AGND – 0.3 to AVDD + 0.3  
BGND – 0.3 to BVDD + 0.3  
±0.3  
V
V
V
V
±10  
mA  
See Dissipation Ratings Table  
Operating virtual junction temperature range, TJ  
Operating free-air temperature range, TA  
Storage temperature range, TSTG  
–40 to +150  
–40 to +85  
–65 to +150  
°C  
°C  
°C  
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings  
only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating  
Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
RECOMMENDED OPERATING CONDITIONS  
PARAMETER  
MIN  
NOM  
MAX  
UNIT  
Supply voltage, AGND to AVDD  
4.5  
2.7  
5.0  
5.5  
3.6  
V
V
V
V
V
Low-voltage levels  
5V logic levels  
Supply voltage, BGND to BVDD  
4.5  
5.0  
2.5  
5.5  
Reference input voltage  
Analog inputs  
0.5  
3.0  
VIN+– VIN-  
–VREFIN /20  
+VREFIN /20  
DISSIPATION RATINGS TABLE  
DERATING FACTOR  
ABOVE TA = 25°C  
TA25°C  
POWER RATING  
TA = 70°C  
POWER RATING  
TA = 85°C  
POWER RATING  
BOARD  
PACKAGE  
RθJC  
RθJA  
Low-K(1)  
High-K(2)  
PW  
PW  
35°C/W  
147°C/W  
108.4°C  
6.8mW/°C  
850mW  
544mW  
738mW  
442mW  
600mW  
33.6°C/W  
9.225W/°C  
1150mW  
(1) The JEDEC low-K (1s) board used to derive this data was a 3in x 3in, two-layer board with 2-ounce copper traces on top of the board.  
(2) The JEDEC high-K (2s2p) board used to derive this data was a 3in x 3in, multilayer board with 1-ounce internal power and ground  
planes and 2-ounce copper traces on top and bottom of the board.  
2