TCA9803DGKR - TI

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

Part No

TCA9803DGKR
Manufacturer

TI
ChipWorker Part#

CW52503959
RoHS

Lead free / RoHS Compliant
Description

Level-Translating I2C Bus Buffer/Repeater 8-VSSOP -40℃ to 85℃
Documentation

Datasheet

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TCA9803DGKR Specifications

Attribute	Attribute Value

Part Number	TCA9803DGKR
Manufacturer	TI
ChipWorker Part#	CW52503959
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	VSSOP-8
Number of Circuits	1 Circuit
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
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Operating Temperature	-40℃ ~ 125℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The TCA9803 is a dual-channel bidirectional buffer intended for I2C bus and SMBus/PMBus systems. It provides bidirectional level shifting (up-translation and down-translation) between low voltages (down to 0.8 V) and higher voltages (1.65 V to 3.6 V). The TCA9803 features an internal current source on the B-side of the device, allowing the removal of external pull-up resistors on the B-side. The current source also provides an improved rise time and ultra-low power consumption.
The TCA9803 is able to provide true buffering (rather than a pass-FET solution) without using a static voltage offset or incremental offset. This means that the VOL on both the A and B sides of the TCA9803 are very low (approximately 0.2 V), helping to eliminate communication issues as a result of fixed VIL thresholds. Another key feature of the TCA9803 is that there are no power sequencing requirements, or power supply dependencies. VCCA can be greater than, less than, or equal to VCCB. This gives the system designer flexibility with how the TCA9803 is used.
The TCA9803 is part of a four device family with varying current source strengths (see the _Device Comparison Table_).

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