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Datasheet > LTC2439-1IGN#TR
LTC2439-1IGN#TR PDF预览

LTC2439-1IGN#TR

更新时间： 2024-11-13 19:14:03
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
28页 288K
描述
LTC2439-1 - 8-/16-Channel 16-Bit No Latency Delta Sigma ADC; Package: SSOP; Pins: 28; Temperature Range: -40°C to 85°C

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中文翻译

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LTC2439-1IGN#TR 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP,
针数：28Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.35最大模拟输入电压：2.75 V
最小模拟输入电压：-2.75 V最长转换时间：149600 µs
转换器类型：ADC, DELTA-SIGMAJESD-30 代码：R-PDSO-G28
JESD-609代码：e0长度：9.893 mm
最大线性误差 (EL)：0.0019%湿度敏感等级：1
模拟输入通道数量：16位数：16
功能数量：1端子数量：28
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：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：235认证状态：Not Qualified
座面最大高度：1.748 mm标称供电电压：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：3.899 mm
Base Number Matches：1

LTC2439-1IGN#TR 数据手册

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LTC2439-1  
8-/16-Channel  
16-Bit No Latency ∆ΣTM ADC  
U
FEATURES  
DESCRIPTIO  
■
16-Channel Single-Ended or 8-Channel Differential  
The LTC®2439-1 is a 16-channel (8-differential)  
micropower 16-bit ∆Σ analog-to-digital converter. It op-  
erates from 2.7V to 5.5V and includes an integrated  
oscillator,0.12LSBINL and1µVRMSnoise.Itusesdelta-  
sigma technology and provides single cycle settling time  
for multiplexed applications. Through a single pin, the  
LTC2439-1 can be configured for better than 87dB differ-  
ential mode rejection at 50Hz and 60Hz ± 2%, or it can be  
driven by an external oscillator for a user-defined rejec-  
tionfrequency.Theinternaloscillatorrequiresnoexternal  
frequency setting components.  
Inputs  
■
Low Supply Current (200µA, 4µA in Autosleep)  
■
Rail-to-Rail Differential Input/Reference  
■
16-Bit No Missing Codes  
■
1µV RMS Noise, 16-ENOBS Independent of VREF  
■
■
Very Low Transition Noise: Less Than 0.02LSB  
Operates with a Reference as Low as 100mV with  
1.5µV LSB Step Size  
■
Guaranteed Modulator Stability and Lock-Up  
Immunity for Any Input and Reference Conditions  
Single Supply 2.7V to 5.5V Operation  
Internal Oscillator—No External Components  
Required  
87dB Min, 50Hz and 60Hz Simultaneous Notch Filter  
Pin Compatible with the 24-Bit LTC2418  
■
■
The LTC2439-1 accepts any external differential reference  
voltagefrom0.1VtoVCC forflexibleratiometricandremote  
sensing measurement applications. It can be configured  
totake8differentialchannelsor16single-endedchannels.  
The full-scale bipolar input range is from –0.5VREF to  
0.5VREF.Thereferencecommonmodevoltage,VREFCM,and  
the input common mode voltage, VINCM, may be indepen-  
dently set between GND and VCC. The DC common mode  
input rejection is better than 140dB.  
■
■
■
28-Lead SSOP PUackage  
APPLICATIO S  
■
Direct Sensor Digitizer  
Weight Scales  
Direct Temperature Measurement  
Gas Analyzers  
Strain Gauge Transducers  
Instrumentation  
Data Acquisition  
Industrial Process Control  
■
■
The LTC2439-1 communicates through a flexible  
4-wire digital interface that is compatible with SPI and  
MICROWIRETM protocols.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
No Latency ∆Σ is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
■
■
■
■
■
U
TYPICAL APPLICATIO  
Minimum Resolvable  
Signal vs V  
REF  
2.7V TO 5.5V  
11  
90  
80  
70  
60  
50  
40  
30  
20  
10  
1µF  
9
+
REF  
V
CC  
21 CH0  
22 CH1  
19  
F
= EXTERNAL OSCILLATOR  
= 50Hz and 60Hz REJECTION  
O
•
•
•
20  
28 CH7  
1
SDI  
SCK  
SDO  
CS  
16-CHANNEL  
MUX  
18  
17  
16  
CH8  
+
–
DIFFERENTIAL  
16-BIT ∆Σ ADC  
4-WIRE  
SPI INTERFACE  
THERMOCOUPLE  
•
•
•
8
CH15  
10 COM  
–
0
12 REF  
0
4
5
1
2
3
(V)  
15  
GND  
LTC2439-1  
V
24361 TA02  
REF  
*FOR V  
= 0.4V RESOLUTION IS LIMITED BY STEP SIZE  
REF  
241418 TA01a  
24391fa  
1
1234567...28

中文翻译

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LTC2439-1IGN#TR 替代型号

型号 品牌 替代类型 描述 数据表
LTC2439-1IGN#TRPBF Linear

完全替代

 LTC2439-1 - 8-/16-Channel 16-Bit No Latency Delta Sigma ADC; Package: SSOP; Pins: 28; Temp

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