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LTC2460CMS

更新时间： 2024-01-01 01:17:06
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 233K
描述
Ultra-Tiny, 16-Bit ΔΣ ADCs with 10ppm/°C Max Precision Reference

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LTC2460CMS 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：3.02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)：0.0153%湿度敏感等级：1
模拟输入通道数量：1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
采样速率：0.00006 MHz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 mm
Base Number Matches：1

LTC2460CMS 数据手册

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LTC2460/LTC2462  
Ultra-Tiny, 16-Bit ΔΣ ADCs  
with 10ppm/°C Max  
Precision Reference  
DESCRIPTION  
FEATURES  
The LTC®2460/LTC2462 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 SPI Interface. The LTC2460 is single-ended  
with a 0V to VREF input range and the LTC2462 is dif-  
ferential with a VREF input range. Both ADC’s include  
a 1.25V integrated reference with 2ppm/°C drift per-  
formance and 0.1% initial accuracy. The converters are  
available in a 12-pin DFN 3mm × 3mm package or an  
MSOP-12 package. They include an integrated oscillator  
and perform conversions with no latency for multiplexed  
applications. TheLTC2460/LTC2462includeaproprietary  
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 (LTC2460) or Differential (LTC2462)  
n
2LSB Offset Error  
0.01% Gain Error  
60 Conversions Per Second  
n
n
n
Single Conversion Settling Time for Multiplexed  
Applications  
n
Single-Cycle Operation with Auto Shutdown  
n
1.5mA Supply Current  
2μA (Max) Sleep Current  
n
n
Internal Oscillator—No External Components  
Required  
SPI Interface  
Ultra-Tiny 12-Lead 3mm × 3mm DFN and MSOP  
Packages  
n
n
Following a single conversion, the LTC2460/LTC2462  
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 LTC2460/LTC2462 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  
n
Industrial Process Control  
n
Data Acquisition  
n
Embedded ADC Upgrades  
L, LT, LTC and LTM 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  
+
–
IN  
SCK  
10k  
10k  
SPI  
INTERFACE  
LTC2462  
SDO  
IN  
CS  
0.1μF  
–
REF  
GND  
R
24602 TA01a  
–50 –30 –10 10  
30  
50  
70  
90  
TEMPERATURE (°C)  
24602 TA01b  
24602f  
1
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