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7846A PDF预览

7846A

更新时间: 2024-01-31 21:36:24
品牌 Logo 应用领域
麦斯威 - MAXWELL 转换器数模转换器
页数 文件大小 规格书
11页 258K
描述
16-Bit Digital to Analog Converter

7846A 技术参数

生命周期:Contact Manufacturer零件包装代码:DFP
包装说明:RAD-PAK, LDFP-28针数:28
Reach Compliance Code:unknownECCN代码:3A001.A.2.C
HTS代码:8542.39.00.01风险等级:5.64
最大模拟输出电压:12 V最小模拟输出电压:-11 V
转换器类型:D/A CONVERTER输入位码:BINARY
输入格式:PARALLEL, WORDJESD-30 代码:R-XDFP-F28
长度:18.288 mm标称负供电电压:-15 V
位数:16功能数量:1
端子数量:28最高工作温度:125 °C
最低工作温度:-55 °C封装主体材料:UNSPECIFIED
封装代码:DFP封装形状:RECTANGULAR
封装形式:FLATPACK认证状态:Not Qualified
座面最大高度:5.6896 mm标称供电电压:15 V
表面贴装:YES温度等级:MILITARY
端子形式:FLAT端子节距:1.27 mm
端子位置:DUAL宽度:10.414 mm
Base Number Matches:1

7846A 数据手册

 浏览型号7846A的Datasheet PDF文件第2页浏览型号7846A的Datasheet PDF文件第3页浏览型号7846A的Datasheet PDF文件第4页浏览型号7846A的Datasheet PDF文件第5页浏览型号7846A的Datasheet PDF文件第6页浏览型号7846A的Datasheet PDF文件第7页 
7846A  
16-Bit Digital to Analog Converter  
VCC  
21  
VDD  
4
VREF+  
7
R
R
6
5
RIN  
R
R
R
-
+
A2  
16  
-
+
VOUT  
A3  
Segment  
Switch  
Matrix  
12-bit DAC  
12  
-
+
A1  
23  
22  
CS  
VREF-  
7846A  
8
DAC Latch  
4
R/W  
Control  
Logic  
12  
25 LDAC  
24 CLR  
I/O Latch  
9
10  
3
20  
VSS  
DB15  
DB0  
DGND  
Logic Diagram  
FEATURES:  
DESCRIPTION:  
• RAD-PAK® technology-hardened against natural  
space radiation  
Maxwell Technologies’ 7846A 16-Bit DAC converter microcir-  
cuit features a greater than 100 krad (Si) total dose tolerance,  
Total dose hardness:  
depending upon space mission. The 7846A has V  
and  
REF+  
- > 100 krad (Si), depending upon space mission  
• Excellent Single Event Effects  
VREF- reference inputs and an on-chip output amplifier which  
gives the option of unipolar or bipolar output. The 7846A uses  
a segmented architecture. The 4 MSBs in the DAC latch  
select one of the segments in a 16-resistor string. Both taps of  
the segment are buffered by amplifiers and fed to a 12-bit  
DAC, which provides a further 12 bits of resolution. This archi-  
tecture ensures 16-bit monotonicity. Excellent integral linearity  
results from tight matching between the input offset voltages  
of the two buffer amplifiers. In addition to the excellent accu-  
racy specifications, the 7846A also offers a comprehensive  
microprocessor interface. There are 16 data I/O pins, plus  
control lines (CS, R/W, LDAC and CLR). R/W and CS have  
readback function which allows writing to and reading from the  
I/O latch.  
- SEL > 114 MeV/mg/cm2  
TH  
- SEU < 8 MeV/mg/cm2  
• Package:  
-28 pin RAD-PAK® Flat Pack  
Microprocessor compatible with readback capability  
• 16-Bit monotonicity over temperature  
• ±2 LSBs integral linearity error  
Unipolar or bipolar output  
Multiplying capability  
Low power (100 mW typical)  
Maxwell Technologies' patented RAD-PAK® packaging technol-  
ogy incorporates radiation shielding in the microcircuit pack-  
age. It eliminates the need for box shielding while providing  
the required radiation shielding for a lifetime in orbit or space  
mission. In a GEO orbit, RAD-PAK provides greater than 100  
krad (Si) radiation dose tolerance. This product is available  
with screening up to Class S.  
05.29.03 REV 5  
1
All data sheets are subject to change without notice  
(619) 503-3300 - Fax: (619) 503-3301- www.maxwell.com  
©2003 Maxwell Technologies  
All rights reserved.  

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