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LTC2420CS8#PBF PDF预览

LTC2420CS8#PBF

更新时间: 2024-09-25 20:08:55
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
36页 391K
描述
LTC2420 - 20-Bit µPower No Latency Delta-Sigma ADC in SO-8; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

LTC2420CS8#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.39最大模拟输入电压:6.1875 V
最小模拟输入电压:-0.0125 V最长转换时间:163440 µs
转换器类型:ADC, DELTA-SIGMAJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
最大线性误差 (EL):0.1375%湿度敏感等级:1
模拟输入通道数量:1位数:20
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:
输出位码:BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE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:1.75 mm子类别:Analog to Digital Converters
标称供电电压:3.3 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:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
Base Number Matches:1

LTC2420CS8#PBF 数据手册

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LTC2420  
20-Bit µPower  
No Latency ∆ΣTM ADC in SO-8  
U
FEATURES  
DESCRIPTIO  
The LTC®2420 is a micropower 20-bit A/D converter with  
an integrated oscillator, 8ppm INL and 1.2ppm RMS  
noise that operates from 2.7V to 5.5V. It uses delta-sigma  
technology and provides a digital filter that settles in a  
singlecycleformultiplexedapplications.Throughasingle  
pin, the LTC2420 can be configured for better than 110dB  
rejection at 50Hz or 60Hz ±2%, or it can be driven by an  
external oscillator for a user-defined rejection frequency  
in the range 1Hz to 800Hz. The internal oscillator requires  
no external frequency setting components.  
20-Bit ADC in SO-8 Package  
8ppm INL, No Missing Codes at 20 Bits  
4ppm Full-Scale Error  
0.5ppm Offset  
1.2ppm Noise  
Digital Filter Settles in a Single Cycle. Each  
Conversion Is Accurate, Even After an Input Step  
Fast Mode: 16-Bit Noise, 12 Bits TUE at 100sps  
Internal Oscillator—No External Components  
Required  
110dB Min, 50Hz/60Hz Notch Filter  
The converter accepts any external reference voltage from  
0.1V to VCC. With its extended input conversion range of  
–12.5% VREF to 112.5% VREF, the LTC2420 smoothly  
resolves the offset and overrange problems of preceding  
sensors or signal conditioning circuits.  
Reference Input Voltage: 0.1V to VCC  
Live Zero—Extended Input Range Accommodates  
12.5% Overrange and Underrange  
Single Supply 2.7V to 5.5V Operation  
Low Supply Current (200µA) and Auto Shutdown  
Pin Compatible with 24-Bit LTC2400  
The LTC2420 communicates through a flexible 3-wire  
digital interface which 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.  
MICROWIRE is a trademark of National Semiconductor Corporation.  
U
APPLICATIO S  
Weight Scales  
Direct Temperature Measurement  
Gas Analyzers  
Strain Gauge Transducers  
Instrumentation  
Data Acquisition  
Industrial Process Control  
4-Digit DVMs  
U
Total Unadjusted Error (3V Supply)  
TYPICAL APPLICATIO  
10  
V
V
= 3V  
REF  
CC  
8
6
= 2.5V  
2.7V TO 5.5V  
V
CC  
1µF  
= INTERNAL OSC/50Hz REJECTION  
4
1
8
= EXTERNAL CLOCK SOURCE  
= INTERNAL OSC/60Hz REJECTION  
V
CC  
F
O
2
LTC2420  
0
REFERENCE  
VOLTAGE  
2
7
–2  
–4  
–6  
–8  
–10  
V
V
SCK  
REF  
0.1V TO V  
CC  
T
= –55°C, –45°C, 25°C, 90°C  
3-WIRE  
SPI INTERFACE  
A
ANALOG  
INPUT RANGE  
TO 1.12V  
3
4
6
5
SDO  
CS  
IN  
–0.12V  
REF  
REF  
GND  
0
0.5  
1.0  
1.5  
2.0  
2.5  
2420 TA01  
INPUT VOLTAGE (V)  
2420 G01  
1

LTC2420CS8#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC2420CS8#TRPBF Linear

完全替代

LTC2420 - 20-Bit µPower No Latency Delta-Sigma ADC in SO-8; Package: SO; Pins: 8;
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完全替代

LTC2420 - 20-Bit µPower No Latency Delta-Sigma ADC in SO-8; Package: SO; Pins: 8;
LTC2420CS8 Linear

完全替代

20-Bit uPower No Latency ADC in SO-8

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