TCA9802DGKR - TI

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

Part No

TCA9802DGKR
Manufacturer

TI
ChipWorker Part#

CW69080800
Package

VSSOP-8
Description

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

Datasheet

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TCA9802DGKR Specifications

Attribute	Attribute Value

Part Number	TCA9802DGKR
Manufacturer	TI
ChipWorker Part#	CW69080800
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	VSSOP-8
Number of Circuits	1 Circuit
Number of Channels	2 Channel
Input Capacitance	400pF (Max)
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
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Operating Temperature	-40℃ ~ 125℃ (TA)
Product Lifecycle Status	Active
RoHS	RoHS Compliant
Lead-Free Status

Product Description

The TCA9802 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 TCA9802 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 TCA9802 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 TCA9802 are very low (approximately 0.2 V), helping to eliminate communication issues as a result of fixed VIL thresholds. Another key feature of the TCA9802 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 TCA9802 is used.
The TCA9802 is part of a four device family with varying current source strengths (see the _Device Comparison Table_).

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