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DAC1218 PDF预览

DAC1218

更新时间: 2024-01-16 02:49:09
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器
页数 文件大小 规格书
12页 229K
描述
12-Bit Binary Multiplying D/A Converter

DAC1218 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP18,.3Reach Compliance Code:unknown
风险等级:5.92转换器类型:D/A CONVERTER
JESD-30 代码:R-XDIP-T18JESD-609代码:e0
最大线性误差 (EL):0.012%位数:12
功能数量:1端子数量:18
最高工作温度:125 °C最低工作温度:-55 °C
封装主体材料:CERAMIC封装代码:DIP
封装等效代码:DIP18,.3封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
子类别:Other Converters表面贴装:NO
技术:CMOS温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL

DAC1218 数据手册

 浏览型号DAC1218的Datasheet PDF文件第2页浏览型号DAC1218的Datasheet PDF文件第3页浏览型号DAC1218的Datasheet PDF文件第4页浏览型号DAC1218的Datasheet PDF文件第5页浏览型号DAC1218的Datasheet PDF文件第6页浏览型号DAC1218的Datasheet PDF文件第7页 
December 1994  
DAC1218/DAC1219  
12-Bit Binary Multiplying D/A Converter  
General Description  
The DAC1218 and the DAC1219 are 12-bit binary, 4-quad-  
rant multiplying D to A converters. The linearity, differential  
non-linearity and monotonicity specifications for these con-  
verters are all guaranteed over temperature. In addition,  
these parameters are specified with standard zero and full-  
scale adjustment procedures as opposed to the impractical  
best fit straight line guarantee.  
a microprocessor bus is desirable, the DAC1208 and  
DAC1230 series eliminate the need for additional interface  
logic.  
Features  
Y
Linearity specified with zero and full-scale adjust only  
Y
Logic inputs which meet TTL voltage level specs (1.4V  
logic threshold)  
This level of precision is achieved though the use of an  
advanced silicon-chromium (SiCr) R-2R resistor ladder net-  
work. This type of thin-film resistor eliminates the parasitic  
diode problems associated with diffused resistors and al-  
b
lows the applied reference voltage to range from 25V to  
25V, independent of the logic supply voltage.  
Y
g
Works with 10V referenceÐfull 4-quadrant  
multiplication  
Y
All parts guaranteed 12-bit monotonic  
CMOS current switches and drive circuitry are used to  
achieve low power consumption (20 mW typical) and mini-  
mize output leakage current errors (10 nA maximum).  
Unique digital input circuitry maintains TTL compatible input  
threshold voltages over the full operating supply voltage  
range.  
Key Specifications  
Y
Current Settling Time  
1 ms  
12 Bits  
Y
Resolution  
Y
Linearity (Guaranteed  
over temperature)  
12 Bits (DAC1218)  
11 Bits (DAC1219)  
Y
The DAC1218 and DAC1219 are direct replacements for  
the AD7541 series, AD7521 series, and AD7531 series with  
a significant improvement in the linearity specification. In  
applications where direct interface of the D to A converter to  
Gain Tempco  
1.5 ppm/ C  
§
20 mW  
Y
Low Power Dissipation  
Y
Single Power Supply  
5 V to 15 V  
DC DC  
Typical Application  
Connection Diagram  
Dual-In-Line Package  
TL/H/5691–1  
A1  
2
A2  
4
A3  
8
A12  
e b  
a
a
a
. . .  
V
V
OUT  
REF  
4096  
#
J
TL/H/569115  
e
e
where: AN  
AN  
1 if digital input is high  
0 if digital input is low  
Top View  
Ordering Information  
a
0 C to 70 C  
§
b
a
40 C to 85 C  
Temperature Range  
Package Outline  
§
§
§
Non  
0.012%  
0.024%  
DAC1218LCJ-1  
DAC1218LCJ  
DAC1219LCJ  
J18A Cerdip  
J18A Cerdip  
Linearity  
BI-FETTM is a trademark of National Semiconductor Corp.  
C
1995 National Semiconductor Corporation  
TL/H/5691  
RRD-B30M115/Printed in U. S. A.  

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