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LTC1694-1IS5#TR PDF预览

LTC1694-1IS5#TR

更新时间: 2024-11-07 14:43:15
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
8页 116K
描述
LTC1694-1 - SMBus/I2C Accelerator; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C

LTC1694-1IS5#TR 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:LSSOP,
针数:5Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5Is Samacsys:N
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G5
JESD-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:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):255
认证状态:Not Qualified座面最大高度:1.45 mm
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2.7 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL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:40
宽度:1.6 mmBase Number Matches:1

LTC1694-1IS5#TR 数据手册

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LTC1694-1  
2
SMBus/I C Accelerator  
U
FEATURES  
DESCRIPTIO  
Improves SMBus/I2CTM Rise Time Transition  
The LTC®1694-1 is a dual SMBus active pull-up designed  
to enhance data transmission speed and reliability under  
all specified SMBus loading conditions. The LTC1694-1 is  
also compatible with the Philips I2C Bus.  
Ensures Data Integrity with Multiple Devices  
on the SMBus/I2C  
Improves Low State Noise Margin  
Wide Supply Voltage Range: 2.7V to 6V  
The LTC1694-1 allows multiple device connections or a  
longer, more capacitive interconnect, without compro-  
misingslewratesorbusperformance, bysupplyingahigh  
pull-up current of 2.2mA to slew the SMBus or I2C lines  
during positive bus transitions  
Tiny 5-Pin SOT-23 Package  
Parallel Multiple LTC1694-1 Devices  
for Increased Drive  
U
APPLICATIO S  
During negative transitions or steady DC levels, the  
LTC1694-1 sources zero current. External resistors, one  
on each bus line, trigger the LTC1694-1 during positive  
bus transitions and set the pull-down current level. These  
resistors determine the slew rate during negative bus  
transitions and the logic low DC level.  
Notebook and Palmtop Computers  
Portable Instruments  
Battery Chargers  
Industrial Control Application  
TV/Video Products  
ACPI SMBus Interface  
The LTC1694-1 is available in a 5-pin SOT-23 package.  
, 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 LTC1694-1 vs Resistor Pull-Up  
V
V
CC  
CC  
5V  
5V  
1
2
5
4
V
SMBus1  
SMBus2  
CC  
C1  
0.1µF  
LTC1694-1  
R
R
P2  
GND  
P1  
LTC1694-1  
1V/DIV  
SCL  
SDA  
RPULL-UP  
= 15.8k  
SMBus  
CLK  
IN  
DATA  
IN  
CLK  
IN  
DATA  
IN  
CLK  
OUT  
DATA  
OUT  
CLK  
OUT  
DATA  
OUT  
VCC = 5V  
CLD = 200pF  
fSMBus = 100kHz  
1µs/DIV  
1694-1 TA02  
DEVICE 1  
DEVICE N  
1694-1 TA01  
LTC1694-1: Patent Pending  
sn16941 16941fs  
1

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