参数资料
型号: LTC4310IMS-2#TRPBF
厂商: Linear Technology
文件页数: 6/20页
文件大小: 0K
描述: IC I2C ISOLATR 400KHZ BUS 10MSOP
产品培训模块: LTC4310 - Hot-Swappable I²C Isolators
标准包装: 2,500
类型: 热交换 I²C 隔离器
Tx/Rx类型: I²C Logic
电容 - 输入: 10pF
电源电压: 3 V ~ 5.5 V
电流 - 电源: 7mA
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
LTC4310-1/LTC4310-2
14
431012fa
applicaTions inForMaTion
TYPICAL APPLICATIONS
Figure 8 shows the LTC4310-1 providing I2C communica-
tionsbetweenanI2Cbusreferencedtosystemgroundand
an I2C bus using –5V for its ground reference. Ceramic
couplingcapacitors,C1-C5,areusedtobridgetheisolation
barrier. This circuit is recommended for ground isolation
voltages less than 100V and is limited by the voltage rating
of C1-C5. Higher voltage ceramic capacitors may be used
to achieve higher isolation voltages. Because the LTC4310
uses a pseudo-differential transmit scheme, capacitor C5
must be connected between ground and –5V to provide a
return path for the transmitted current.
Figure 9 shows the LTC4310-1 in an application circuit
using its zero current shutdown mode. A microprocessor
only activates the left LTC4310-1 when it needs to com-
municatewiththeisolatedI2Cbus.BecausetheLTC4310-1
contains a STOP bit and bus idle detection circuitry, there
is no danger of connecting in the middle of a message
when the microprocessor asynchronously reenables the
LTC4310-1.
Figure 8. Low Voltage I2C Isolation Between a Ground Referenced Bus and a –5V Referenced Bus
3.3V
CBUS = 30pF
CBUS = 100pF
R1
5.1k
R2
5.1k
R3
10k
431012 F08
C7
0.01F
C1
–5V
R5
10k
R6
10k
GND
RXP
RXN
TXP
TXN
LTC4310-1
VCC
READY
EN
SDA
SCL
R4
10k
C3
C2
C4
C6
0.01F
GND
TXP
TXN
RXP
RXN
LTC4310-1
VCC
READY
EN
SDA
SCL
C5
C1 TO C5 = 47pF, 100V
Figure 9. The LTC4310-1 in a Zero Current Shutdown Application
5V
R1
3.3k
R2
3.3k
R3
10k
431012 F09
C7
0.01F
–5V
R5
5.1k
R6
5.1k
GND
RXP
RXN
TXP
TXN
LTC4310-1
VCC
READY
EN
SDA
SCL
R4
10k
C6
0.01F
GND
TXP
TXN
RXP
RXN
LTC4310-1
VCC
READY
EN
SDA
SCL
. . .
SLAVE#1
P
SLAVE#N
ON
OFF
C1
C3
C2
C4
C5
C1 TO C5 = 47pF, 100V
CBUS = 150pF
CBUS = 200pF
相关PDF资料
PDF描述
LTC4311IDC#TRMPBF IC ACCELERATOR SMBUS DL 6-DFN
LTC4312IMS#TRPBF IC MULTIPLEXER 16-MSOP
LTC4313IMS8-1#PBF IC 2WIRE BUS BUFFER 8MSOP
LTC4314IGN#PBF IC MULTIPLEXER 20-MSOP
LTC4315IMS#TRPBF IC 2WIRE BUS BUFFER 12MSOP
相关代理商/技术参数
参数描述
LTC4311CDC#TRMPBF 功能描述:IC ACCELERATOR SMBUS DL 6-DFN 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
LTC4311CDC#TRPBF 功能描述:IC ACCELERATOR I2C/SMBUS 6-DFN 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
LTC4311CSC6#PBF 制造商:Linear Technology 功能描述:I2C/SMBus Accelerator 6-Pin SC-70 制造商:Linear Technology 功能描述:IC I2C / SMBUS ACCELERATOR 6 制造商:Linear Technology 功能描述:IC, I2C / SMBUS ACCELERATOR, 6SC-70 制造商:Linear Technology 功能描述:I2C/SMBUS ACCELERATOR, 5.5V, SC-70-6; IC Interface Type:I2C; Interface Applications:Battery Chargers, Industrial Control, Notebook and Palmtop Computers, Portable Instruments, TV/Video; Supply Voltage Min:1.6V; No. of Pins:6 ;RoHS Compliant: Yes
LTC4311CSC6#TRMPBF 功能描述:IC ACCELERATOR SMBUS DL SC70-6 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
LTC4311CSC6#TRPBF 功能描述:IC ACCELERATOR SMBUS DL SC70-6 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