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LTC2461IMS#PBF

更新时间： 2024-09-25 21:05:35
品牌 Logo 应用领域
凌特 - Linear 光电二极管转换器
页数 文件大小 规格书
20页 298K
描述
LTC2461 - Ultra-Tiny, 16-Bit I<sup>2</sup>C Delta Sigma ADCs with 10ppm/C Max Precision Reference; Package: MSOP; Pins: 12; Temperature Range: -40&deg;C to 85&deg;C

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中文翻译

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LTC2461IMS#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP, TSSOP12,.19
针数：12Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14最大模拟输入电压：1.25 V
最小模拟输入电压：最长转换时间：23000 µs
转换器类型：ADC, DELTA-SIGMAJESD-30 代码：R-PDSO-G12
JESD-609代码：e3长度：4.039 mm
最大线性误差 (EL)：0.0122%湿度敏感等级：1
模拟输入通道数量：2位数：16
功能数量：1端子数量：12
最高工作温度：85 °C最低工作温度：-40 °C
输出位码：BINARY输出格式：SERIAL
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP12,.19封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：3/5 V认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Analog to Digital Converters
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL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 mmBase Number Matches：1

LTC2461IMS#PBF 数据手册

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LTC2461/LTC2463  
2
Ultra-Tiny, 16-Bit I C ΔΣ  
ADCs with 10ppm/°C Max  
Precision Reference  
FEATURES  
DESCRIPTION  
The LTC®2461/LTC2463 are ultra tiny, 16-Bit analog-to-  
digital converters with an integrated precision reference.  
They use a single 2.7V to 5.5V supply and communicate  
through an I2C Interface. The LTC2461 is single-ended  
with a 0V to 1.25V input range and the LTC2463 is dif-  
ferential with a 1.25V input range. Both ADCs include a  
1.25V integrated reference with 2ppm/°C drift perfor-  
mance and 0.1% initial accuracy. The converters are  
available in a 12-pin 3mm × 3mm DFN package or an  
MSOP-12 package. They include an integrated oscillator  
and perform conversions with no latency for multiplexed  
applications. TheLTC2461/LTC2463includeaproprietary  
input sampling scheme that reduces the average input  
current several orders of magnitude when compared to  
conventional delta sigma converters.  
n
16-Bit Resolution, No Missing Codes  
n
Internal Reference, High Accuracy 10ppm/°C (Max)  
n
Single-Ended (LTC2461) or Differential (LTC2463)  
n
2LSB Offset Error (Typ)  
n
0.01% Gain Error (Typ)  
n
60 Conversions Per Second  
n
Single Conversion Settling Time for Multiplexed  
Applications  
n
1.5mA Supply Current  
n
200nA Sleep Current  
n
Internal Oscillator—No External Components  
Required  
2
n
2-Wire I C Interface with Two Addresses Plus One  
Global Address for Synchronization  
n
Ultra-Tiny, 12-Lead, 3mm × 3mm DFN and MSOP  
Packages  
Following a single conversion, the LTC2461/LTC2463  
automatically power down the converter and can also be  
configured to power down the reference. When both the  
ADC and reference are powered down, the supply current  
is reduced to 200nA.  
APPLICATIONS  
n
System Monitoring  
n
Environmental Monitoring  
n
Direct Temperature Measurements  
The LTC2461/LTC2463 can sample at 60 conversions per  
second and, due to the very large oversampling ratio,  
have extremely relaxed antialiasing requirements. Both  
includecontinuousinternaloffsetandfullscalecalibration  
algorithmswhicharetransparenttotheuser, ensuringac-  
curacy over time and the operating temperature range.  
n
Instrumentation  
Data Acquisition  
Embedded ADC Upgrades  
n
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Protected by U.S. Patents, including 6208279, 6411242, 7088280, 7164378.  
TYPICAL APPLICATION  
VREF vs Temperature  
1.2520  
2.7V TO 5.5V  
1.2515  
1.2510  
1.2505  
1.2500  
1.2495  
1.2490  
1.2485  
1.2480  
0.1µF  
0.1µF  
COMP  
0.1µF  
10µF  
0.1µF  
10k  
REFOUT  
V
CC  
SCL  
SDA  
GND  
+
–
IN  
2
10k  
10k  
I C  
INTERFACE  
LTC2463  
A0  
IN  
0.1µF  
–
REF  
R
24613 TA01a  
–50 –30 –10 10  
30  
50  
70  
90  
TEMPERATURE (°C)  
24613 TA01b  
24613fa  
1
1234567...20

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