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LTC1694CS5 PDF预览

LTC1694CS5

更新时间: 2024-09-23 22:39:51
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
8页 149K
描述
SMBus/I2C Accelerator

LTC1694CS5 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOT包装说明:VSSOP,
针数:5Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.5模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G5JESD-609代码:e0
长度:2.9 mm湿度敏感等级:1
功能数量:1端子数量:5
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:VSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE, 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 mm最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
宽度:1.625 mmBase Number Matches:1

LTC1694CS5 数据手册

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LTC1694  
2
SMBus/I C Accelerator  
U
FEATURES  
DESCRIPTIO  
The LT C®1694 is a dual SMBus active pull-up designed to  
enhance data transmission speed and reliability under all  
specified SMBus loading conditions. The LTC1694 is also  
compatible with the Philips I2CTM Bus.  
Improves SMBus Rise Time Transition  
Ensures Data Integrity with Multiple Devices  
on the SMBus  
Improves Low State Noise Margin  
Auto Detect Low Power Standby Mode  
The LTC1694 allows multiple device connections or a  
longer, more capacitive interconnect, without compro-  
mising slew rates or bus performance, by using two  
bilevel hysteretic current source pull-ups.  
Wide Supply Voltage Range: 2.7V to 6V  
Tiny 5-Pin SOT-23 Package  
U
APPLICATIO S  
During positive bus transitions, the LTC1694 current  
sources provide 2.2mA to quickly slew the SMBus line.  
During negative transitions or steady DC levels, the cur-  
rent sources decrease to 275µA to improve negative slew  
rate and improve low state noise margins. An auto detect  
standby mode reduces supply current if both SCL and  
SDA are high.  
Notebook and Palmtop Computers  
Portable Instruments  
Battery Chargers  
Industrial Control Application  
TV/Video Products  
ACPI SMBus Interface  
The LTC1694 is available in a 5-pin SOT-23 package,  
requiring virtually the same space as two surface mount  
resistors.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
I2C is a trademark of Philips Electronics N.V.  
U
TYPICAL APPLICATIO  
Comparison of SMBus Waveforms for  
the LTC1694 vs Resistor Pull-Up  
V
CC  
5V  
1
2
5
4
V
SMBus1  
SMBus2  
CC  
C1  
0.1µF  
LTC1694  
GND  
LTC1694  
SCL  
SMBus  
SDA  
1V/DIV  
RPULL-UP  
= 15.8k  
CLK  
IN  
DATA  
IN  
CLK  
IN  
DATA  
IN  
CLK  
OUT  
DATA  
OUT  
CLK  
OUT  
DATA  
OUT  
VCC = 5V  
CLD = 200pF  
fSMBus = 100kHz  
1µs/DIV  
DEVICE 1  
DEVICE N  
1694 TA02  
1694 TA01  
LTC1694: Patent Pending  
1

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