ISO1540QDQ1 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ISO1540QDQ1
Manufacturer

TI
ChipWorker Part#

CW5042833
Category

Interface Isolator, Digital Isolator
RoHS

Lead free / RoHS Compliant
Description

Digital Isolator Open Drain 2CH Automotive 8Pin SOIC Tube
Documentation

Datasheet

ISO1540QDQ1 Global Supplier

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ISO1540QDQ1 Specifications

Attribute	Attribute Value

Part Number	ISO1540QDQ1
Manufacturer	TI
ChipWorker Part#	CW5042833
Category	Interface Isolator, Digital Isolator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Number of Channels	2 Channel
Power Dissipation	85 mW
Data Rate	1.00 Mbps
Isolation Voltage	2500 Vrms
Fall Time (Max)	100 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	85 mW
Supply Voltage	3V ~ 5.5V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The ISO1540-Q1 and ISO1541-Q1 devices are low-power, bidirectional isolators that are compatible with I2C interfaces. These devices have logic input and output buffers that are separated by Texas Instruments Capacitive Isolation technology using a silicon dioxide (SiO2) barrier. When used with isolated power supplies, these devices block high voltages, isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging sensitive circuitry.
This isolation technology provides for function, performance, size, and power consumption advantages when compared to optocouplers. The ISO1540-Q1 and ISO1541-Q1 devices enable a complete isolated I2C interface to be implemented within a small form factor.
The ISO1540-Q1 has two isolated bidirectional channels for clock and data lines while the ISO1541-Q1 has a bidirectional data and a unidirectional clock channel. The ISO1541-Q1 is useful in applications that have a single master while the ISO1540-Q1 is suitable for multi-master applications. For applications where clock stretching by the slave is possible, the ISO1540-Q1 device should be used.
Isolated bidirectional communication is accomplished within these devices by offsetting the low-level output voltage on side 1 to a value greater than the high-level input voltage on side 1, thus preventing an internal logic latch that otherwise would occur with standard digital isolators.

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