SI8400 Silicon Laboratories Inc, SI8400 Datasheet

SI8400

Manufacturer Part Number

SI8400

Description

Manufacturer

Silicon Laboratories Inc

Datasheet

1.SI8405.pdf (34 pages)

Specifications of SI8400

Case

SOP16

Date_code

06+

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Features



Applications



Description

The Si840x series of isolators are single-package galvanic isolation

solutions for I

based on Silicon Labs proprietary RF isolation technology and offer shorter

propagation delays, lower power consumption, smaller installed size, and

more stable operation with temperature and age versus opto couplers or

other digital isolators.

All devices in this family include hot-swap, bidirectional SDA and SCL

isolation channels with open-drain, 35 mA sink capability that operate to a

maximum frequency of 1.7 MHz. The 8-pin version (Si8400) supports

bidirectional SDA and SCL isolation, while the 16-pin version (Si8405)

features two unidirectional isolation channels to support additional system

signals, such as an interrupt or reset. All versions contain protection circuits

to guard against data errors when an unpowered device is inserted into a

powered system.

Small size, low installed cost, low power consumption, and short

propagation delays make the Si840x family the optimum solution for

isolating I

Safety Regulatory Approval



*Note: Pending. Regulatory information applies to 2.5 kV

Preliminary Rev. 0.1 5/09

Independent, bidirectional SDA

and SCL isolation channels



Unidirectional isolation channels

support additional system signals

(Si8405)

Isolated I

Power over Ethernet

Motor Control Systems

UL 1577 recognized



CSA component notice 5A approval



IDIRECTIONAL

IGITA L

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

sink current

Open drain outputs with 35 mA

Supports I

2500 V

IEC 60950 approved

C and SMBus serial ports.

RMS

C buses

C and SMBus serial port applications. These products are

C clocks up to 1.7 MHz

for 1 minute

HANNELS

C I



VDE certification conformity*



Wide 3.0 to 5.0 V logic level

compatibility

UL, CSA, VDE recognition

(pending)

Operating temperature range

–40 to +125 °C max

Compact SO-8 and SO-16

narrow-body packages

RoHS compliant

Hot-swap applications

Intelligent Power systems

Isolated SMPS systems with

PMBus interfaces

SOLA TORS WITH

IEC 60747-5-2

(VDE0884 Part 2)

RMS

rated devices.

NIDIRECTIONAL

ADOUT

AGND

AVDD

ASDA

ASCL

AVDD

AGND

ASDA

ASCL

ADIN

Pin Assignments

Isolator Channel

Uni-Directional

Bi-Directional

Si840x

Si8405

Si8400

BDIN

BSCL

BGND

BVDD

BSDA

BDOUT

BVDD

BSDA

BSCL

BGND

Si840x

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