LTM2887隔離器的數(shù)字隔離器規(guī)格書PDF中文資料

LTM2887屬于隔離器的數(shù)字隔離器。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的LTM2887數(shù)字隔離器數(shù)字隔離器用于在電氣上隔離電路，但仍允許電路之間傳輸數(shù)字信號。技術(shù)類型包括容性耦合式、巨磁阻 (GMR) 式或磁耦合式。??通道數(shù)范圍為 1 至 10 個，通道類型可以是雙向、單向或二者組合。

DESCRIPTION

The LTC?4331 is a point-to-point SMBus compatible I2C

slave device extender designed for operation in high noise

industrial environments. Using a ±60V fault protected

differential transceiver, the LTC4331 can extend an I2C/

SMBus bus, including SMBALERT and a control signal,

over a single twisted pair differential link up to 1200m.

With an extended common mode operating range the

solution provides tolerance to large ground differences

between nodes. For EMI sensitive environments, a slew

rate control pin reduces the EMI emitted from the differential

link.

In addition, the LTC4331 can act as an I2C to I2C bridge

allowing independent bus frequencies between the local

and remote networks. The solution is completely transparent

to the master requiring no additional code in most

cases; however, a control interface is provided for additional

configuration and fault monitoring.

A master controller fully supporting SCL clock-stretching

is strongly recommended.

FEATURES

- Up to 1MHz Serial Clock, Fast-mode Plus (Fm+)

- Selectable Link Baud Rates Extend I2C Up to 1200m

- Protected from Overvoltage Line Faults to ±60V

- ±40kV ESD on Link Pins

- IEC Level 4 ESD ±8kV and EFT ±5kV on Link Pins

- Extended Common Mode Range: ±15V

- Remote Interrupt/SMBALERT and Control Signals

- Low EMI Mode

- SMBus 3.0 Compatible

- I2C Idle Detection, and Stuck Bus Protection

- I2C Device Address Sharing

- 3V to 5.5V Supply Voltage

- 1.62V to 5.5V Logic Supply

- 4mm × 5mm 20-Lead QFN package

APPLICATIONS

- Industrial Control and Sensors

- Lighting and Sound System Control