PCA9548ADW Part Information

Details for PCA9548ADW by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Driver & Interface ICs

Part Description

The PCA9548A has eight bidirectional translating switches that can be controlled via the I2C bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register. The system master can reset the PCA9548A in the event of a timeout or other improper operation by asserting a low in the RESET input. Similarly, the power-on reset deselects all channels and initializes the I2C/SMBus state machine. Asserting RESET causes the same reset/initialization to occur without powering down the part.

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Part Specifications

IC Interface Type -
Interface Applications -
Supply Voltage Min 2.3V
Supply Voltage Max 5.5V
Interface Case Style -
No. of Pins 24Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Phthalates Compliant Yes
Analogue Multiplexer Case SOIC
Analogue Switch Case Style SOIC
IC Function 8-Channel I2C Switch
No. of Circuits 8Circuits
On State Resistance Max 45ohm
Operating Temperature Range -40°C to +85°C
Supply Current 50µA
Supply Voltage Range 2.3V to 5.5V
Termination Type Surface Mount Device
RoHS Compliant

Alternative Part Descriptions

  • IC, I2C LOGIC INTERFACE; IC Interface Type:-; Interface Applications:-; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; Interface Case Style:-; No. of Pins:24Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; RoHS Compliant: Yes | Newark Electronics
  • 8-channel 2.3- to 5.5-V I2C/SMBus switch with reset & voltage translation | Texas Instruments

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