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LTC1661CMS8 PDF预览

LTC1661CMS8

更新时间： 2024-02-05 17:05:18
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 151K
描述
Micropower Dual 10-Bit DAC in MSOP

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LTC1661CMS8 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：TSSOP,
针数：8Reach Compliance Code：compliant
风险等级：5.08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：S-PDSO-G8JESD-609代码：e3
长度：3 mm最大线性误差 (EL)：0.1953%
湿度敏感等级：1位数：10
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：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm标称安定时间 (tstl)：30 µs
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：MATTE TIN (SN)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3 mm
Base Number Matches：1

LTC1661CMS8 数据手册

 浏览型号LTC1661CMS8的Datasheet PDF文件第2页浏览型号LTC1661CMS8的Datasheet PDF文件第3页浏览型号LTC1661CMS8的Datasheet PDF文件第4页浏览型号LTC1661CMS8的Datasheet PDF文件第5页浏览型号LTC1661CMS8的Datasheet PDF文件第6页浏览型号LTC1661CMS8的Datasheet PDF文件第7页 
LTC1661  
Mic ro p o we r Dua l  
10-Bit DAC in MSOP  
U
DESCRIPTIO  
FEATURES  
The LTC®1661 integrates two accurate, serially addres-  
sable, 10-bit digital-to-analog converters (DACs) in a  
single tiny MS8 package. Each buffered DAC draws just  
60µA total supply current, yet is capable of supplying DC  
output currents in excess of 5mA and reliably driving  
capacitive loads up to 1000pF. Sleep mode further re-  
duces total supply current to a negligible 1µA.  
■
Tiny: Two 10-Bit DACs in an 8-Lead MSOP—  
Half the Board Space of an SO-8  
Micropower: 60µA per DAC  
■
Sleep Mode: 1µA for Extended Battery Life  
Rail-to-Rail Voltage Outputs Drive 1000pF  
Wide 2.7V to 5.5V Supply Range  
Double Buffered for Independent or Simultaneous  
■
■
■
DAC Updates  
Reference Range Includes Supply for Ratiometric  
Linear Technology’s proprietary, inherently monotonic  
voltage interpolation architecture provides excellent lin-  
earity while allowing for an exceptionally small external  
form factor. The double-buffered input logic provides  
simultaneous updatecapabilityandcanbeusedtowriteto  
either DAC without interrupting Sleep mode.  
■
0V-to-V Output  
CC  
■
■
■
Reference Input Has Constant Impedance over All  
Codes (260kΩ Typ)—Eliminates External Buffers  
3-Wire Serial Interface with  
Schmitt Trigger Inputs  
Differential Nonlinearity: ≤±0.75LSB Max  
Ultralow supply current, power-saving Sleep mode and  
extremely compact size make the LTC1661 ideal for  
battery-powered applications, while its straightforward  
usability, high performance and wide supply range make  
it an excellent choice as a general purpose converter.  
U
APPLICATIO S  
■
Mobile Communications  
Digitally Controlled Amplifiers and Attenuators  
Portable Battery-Powered Instruments  
Automatic Calibration for Manufacturing  
■
For additional outputs and even greater board density,  
please refer to the LTC1660 micropower octal DAC for  
10-bitapplications. For8-bitapplications, pleaseconsult  
the LTC1665 micropower octal DAC.  
■
■
■
Remote Industrial Devices  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
W
BLOCK DIAGRA  
V
GND  
7
V
V
OUT B  
OUT A  
CC  
Differential Nonlinearity (DNL)  
8
6
5
0.75  
0.60  
0.40  
0.20  
0
10-BIT  
DAC A  
10-BIT  
DAC B  
–0.20  
–0.40  
CONTROL  
LOGIC  
ADDRESS  
DECODER  
–0.60  
–0.75  
0
256  
512  
768  
1023  
SHIFT REGISTER  
CODE  
1661 G02  
1
2
3
4
CS/LD  
SCK  
D
IN  
REF  
1661 BD  
1
1234567...12

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