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参数资料
| 型号： | LTC4313CDD-3#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC 2WIRE BUS BUFFER 8DFN |
| 标准包装： | 121 |
| 类型： | 2线总线缓冲器 |
| Tx/Rx类型： | I²C Logic |
| 电容 - 输入： | 10pF |
| 电源电压： | 2.9 V ~ 5.5 V |
| 电流 - 电源： | 8.1mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（3x3） |
| 包装： | 管件 |
LTC4313-1/LTC4313-2/
LTC4313-3
1
4313123f
Typical applicaTion
FeaTures
DescripTion
2-Wire Bus Buffers with
High Noise Margin
The LTC4313 is a hot swappable 2-wire bus buffer
that provides bidirectional buffering while maintain-
ing a low offset voltage and high noise margin up to
0.3 VCC. The high noise margin allows the LTC4313 to be
interoperablewithdevicesthatdriveahighVOL(>0.4V)and
allows multiple LTC4313s to be cascaded. The LTC4313-1
andLTC4313-2supportleveltranslationbetween3.3Vand
5V busses. In addition to these voltages, the LTC4313-3
also supports level translation to 1.5V, 1.8V and 2.5V.
Duringinsertion,theSDAandSCLlinesarepre-chargedto
1Vtominimizebusdisturbances.Connectionisestablished
between the input and output after ENABLE is asserted
high and a stop bit or bus idle condition has been detected
on the SDA and SCL pins.
If both data and clock are not simultaneously high at least
once in 45ms, the input is disconnected from the output.
Up to 16 clock pulses are subsequently generated to free
thestuckbus.Risetimeaccelerators(RTAs)providepull-up
currents on SDA and SCL rising edges to meet rise time
specifications in heavily loaded systems. The RTAs are
configured as slew limited switches in the LTC4313-1 and
2.5mA current sources in the LTC4313-2. The LTC4313-3
does not have RTAs.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents, including 6356140, 6650174,
7032051, 7478286.
400kHz Operation
applicaTions
n
Bidirectional Buffer Increases Fanout
n
High Noise Margin with VIL = 0.3VCC
n
Compatible with Non-Compliant I2C Devices That
Drive a High VOL
n
Strong (LTC4313-1) and 2.5mA (LTC4313-2)
Rise Time Accelerator Current
n
Level Shift 1.5V, 1.8V, 2.5V, 3.3V and 5V Busses
n
Prevents SDA and SCL Corruption During Live Board
Insertion and Removal from Backplane
n
Stuck Bus Disconnect and Recovery
n
Compatible with I2C, I2C Fast Mode and SMBus
n
±4kV Human Body Model ESD Ruggedness
n
High Impedance SDA, SCL Pins When Unpowered
n
8-Lead MSOP and 8-Lead (3mm × 3mm) DFN
Packages
n
Capacitance Buffers/Bus Extender
n
Live Board Insertion
n
Telecommunications Systems Including ATCA
n
Level Translation
n
PMBus
n
Servers
LTC4313-1
GND
VCC
4313123 TA01a
READY
SCLOUT
SDAOUT
ENABLE
SCLIN
SDAIN
SCL1
SDA1
2.7k
0.01F
3.3V
READY
SCL2
SDA2
1.3k
10k
5V
1.3k
1V/DIV
500ns/DIV
4313123 TA01b
RBUS_IN = 2.7k, CBUS_IN = 50pF
RBUS_OUT = 1.3k, CBUS_OUT = 100pF
SCLOUT
SCLIN
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| LTC4313CDD-1#PBF | IC 2WIRE BUS BUFFER 8DFN |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4313CMS8-1#PBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313CMS8-1#TRPBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313CMS8-2#PBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313CMS8-2#TRPBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
| LTC4313CMS8-3#PBF | 功能描述:IC 2WIRE BUS BUFFER 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 信号缓冲器，中继器，分配器 系列:- 标准包装:160 系列:- 类型:转发器 Tx/Rx类型:以太网 延迟时间:- 电容 - 输入:- 电源电压:2.37 V ~ 2.63 V 电流 - 电源:60mA 安装类型:表面贴装 封装/外壳:64-TQFP 裸露焊盘 供应商设备封装:64-TQFP-EP（10x10） 包装:托盘 其它名称:Q5134101 |
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