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LTC1448CN8#PBF PDF预览

LTC1448CN8#PBF

更新时间: 2024-11-24 13:09:47
品牌 Logo 应用领域
凌特 - Linear 转换器数模转换器光电二极管
页数 文件大小 规格书
12页 245K
描述
LTC1448 - Dual 12-Bit Rail-to-Rail Micropower DAC; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C

LTC1448CN8#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.59最大模拟输出电压:5.5 V
最小模拟输出电压:转换器类型:D/A CONVERTER
输入位码:BINARY输入格式:SERIAL
JESD-30 代码:R-PDIP-T8JESD-609代码:e3
最大线性误差 (EL):0.1343%湿度敏感等级:1
位数:12功能数量:2
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:3/5 V
认证状态:Not Qualified座面最大高度:3.937 mm
标称安定时间 (tstl):14 µs子类别:Other Converters
最大压摆率:0.7 mA标称供电电压:3 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

LTC1448CN8#PBF 数据手册

 浏览型号LTC1448CN8#PBF的Datasheet PDF文件第2页浏览型号LTC1448CN8#PBF的Datasheet PDF文件第3页浏览型号LTC1448CN8#PBF的Datasheet PDF文件第4页浏览型号LTC1448CN8#PBF的Datasheet PDF文件第5页浏览型号LTC1448CN8#PBF的Datasheet PDF文件第6页浏览型号LTC1448CN8#PBF的Datasheet PDF文件第7页 
LTC1448  
Dual 12-Bit Rail-to-Rail  
Micropower DAC  
U
DESCRIPTION  
FEATURES  
SO-8 Package  
The LTC®1448 is a dual rail-to-rail voltage output, 12-bit  
digital-to-analog converter (DAC). It includes rail-to-rail  
output buffer amplifiers and an easy-to-use 3-wire serial  
interface.Itisavailablein8-pinSOandPDIPpackagesand  
provides the smallest footprint of any dual 12-bit DAC.  
12-Bit Resolution  
Buffered True Rail-to-Rail Voltage Output  
External Reference Input Can Be Tied to VCC  
Output Swings from 0V to VREF  
3V and 5V Supply Operation  
The LTC1448 has an external reference input pin (REF)  
and its outputs swing from 0V to REF. The REF input can  
betiedtoVCC providingrail-to-railoperationfromsupplies  
of2.7Vto5.5V.(Fordeviceswithinternalreferenceseethe  
LTC1446 data sheet.) The LTC1448 dissipates 2.5mW  
from a 5V supply.  
Schmitt Trigger on Clock Input Allows Direct  
Optocoupler Interface  
Power-On Reset Clears DACs to 0V  
3-Wire Serial Interface  
Maximum DNL Error: 0.5LSB  
Low Cost  
The low power supply current and the small SO-8 package  
maketheLTC1448idealforbattery-poweredapplications.  
U
APPLICATIONS  
Digital Calibration  
Industrial Process Control  
Automatic Test Equipment  
Cellular Telephones  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Functional Block Diagram: 12-Bit Rail-to-Rail Dual DAC  
Differential Nonlinearity  
vs Input Code  
2.7V TO 5.5V  
0.5  
0.4  
0.3  
0.2  
7
4
REF  
V
CC  
2
D
IN  
+
0.1  
V
OUT B  
8
0
12-BIT  
DAC B  
–0.1  
µP  
1
3
CLK  
–0.2  
24-BIT  
SHIFT  
REG  
RAIL-TO-RAIL  
–0.3  
VOLTAGE  
CS/LD  
OUTPUTS  
–0.4  
–0.5  
AND  
DAC  
LATCH  
+
0
512 1024 1536 2048 2560 3072 3584 4095  
CODE  
V
OUT A  
5
12-BIT  
DAC A  
1448 TA02  
POWER-ON  
RESET  
GND  
6
1448 TA01  
1

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