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LTC1286IS8#TR PDF预览

LTC1286IS8#TR

更新时间: 2024-02-18 17:34:13
品牌 Logo 应用领域
凌特 - Linear 转换器模数转换器
页数 文件大小 规格书
24页 417K
描述
LTC1286 - Micropower Sampling 12-Bit A/D Converters In S0-8 Packages; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

LTC1286IS8#TR 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:SOP,
针数:8Reach Compliance Code:compliant
风险等级:5.07最大模拟输入电压:5.05 V
最小模拟输入电压:-0.05 V转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm最大线性误差 (EL):0.0488%
湿度敏感等级:1模拟输入通道数量:1
位数:12功能数量:1
端子数量:8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:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):250
认证状态:Not Qualified采样速率:0.0125 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:1.75 mm
最大压摆率:0.5 mA标称供电电压:5 V
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:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

LTC1286IS8#TR 数据手册

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LTC1286/LTC1298  
Micropower Sampling  
12-Bit A/D Converters In  
S0-8 Packages  
U
DESCRIPTION  
FEATURES  
The LTC1286/LTC1298 are micropower, 12-bit, succes-  
sive approximation sampling A/D converters. They typi-  
cally draw only 250µA of supply current when converting  
and automatically power down to a typical supply current  
of 1nA whenever they are not performing conversions.  
They are packaged in 8-pin SO packages and operate on  
5V to 9V supplies. These 12-bit, switched-capacitor, suc-  
cessive approximation ADCs include sample-and-holds.  
The LTC1286 has a single differential analog input. The  
LTC1298 offers a software selectable 2-channel MUX.  
12-Bit Resolution  
8-Pin SOIC Plastic Package  
Low Cost  
Low Supply Current: 250µA Typ.  
Auto Shutdown to 1nA Typ.  
Guaranteed ±3/4LSB Max DNL  
Single Supply 5V to 9V Operation  
On-Chip Sample-and-Hold  
60µs Conversion Time  
Sampling Rates:  
12.5 ksps (LTC1286)  
11.1 ksps (LTC1298)  
On-chip serial ports allow efficient data transfer to a wide  
rangeofmicroprocessorsandmicrocontrollersoverthree  
wires.This,coupledwithmicropowerconsumption,makes  
remote location possible and facilitates transmitting data  
through isolation barriers.  
I/O Compatible with SPI, Microwire, etc.  
Differential Inputs (LTC1286)  
2-Channel MUX (LTC1298)  
3V Versions AvailabU le: LTC1285/LTC1288  
These circuits can be used in ratiometric applications or  
with an external reference. The high impedance analog  
inputs and the ability to operate with reduced spans (to  
1.5V full scale) allow direct connection to sensors and  
transducersinmanyapplications, eliminatingtheneedfor  
gain stages.  
APPLICATIONS  
Battery-Operated Systems  
Remote Data Acquisition  
Battery Monitoring  
Handheld Terminal Interface  
Temperature Measurement  
Isolated Data Acquisition  
U
TYPICAL APPLICATIONS N  
25µW, S0-8 Package, 12-Bit ADC  
Supply Current vs Sample Rate  
1000  
Samples at 200Hz and Runs Off a 5V Supply  
T
= 25°C  
A
V
= V  
= 5V  
= 200kHz  
CC  
REF  
4.7µF  
5V  
f
CLK  
100  
10  
1
MPU  
(e.g., 8051)  
1
2
3
4
8
CC  
V
V
P1.4  
P1.3  
P1.2  
REF  
7
ANALOG INPUT  
0V TO 5V RANGE  
+IN  
CLK  
LTC1286  
6
5
–IN  
D
OUT  
SERIAL DATA LINK  
GND  
CS/SHDN  
LTC1286/98 • TA01  
0.1k  
1k  
10k  
100k  
SAMPLE FREQUENCY (Hz)  
LTC1286/98 • TA02  
1

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