PCA9545ADW
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- Mfr.Part #
- PCA9545ADW
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC INTERFACE SPECIALIZED 20SOIC
- Stock
- 7,906
- In Stock ：
- 7,906
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- Manufacturer :
- Texas Instruments
- Product Category :
- Specialized
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply :
- 2.3V~5.5V
- Number of Pins :
- 20
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Height :
- 2.65mm
- Terminal Position :
- Dual
- Output Polarity :
- TRUE
- Radiation Hardening :
- No
- Weight :
- 500.709277mg
- Number of Functions :
- 1
- Resistance :
- 45Ohm
- Bandwidth :
- 400 kHz
- Max Operating Temperature :
- 85°C
- Base Part Number :
- CA9545
- Operating Supply Current :
- 3μA
- Applications :
- Translating Switch
- Peak Reflow Temperature (Cel) :
- 260
- Number of Terminations :
- 20
- Min Operating Temperature :
- -40°C
- Thickness :
- 2.35mm
- Propagation Delay :
- 1 ns
- Max Power Dissipation :
- 400mW
- Width :
- 7.5mm
- Pbfree Code :
- yes
- Surface Mount :
- yes
- Nominal Supply Current :
- 3μA
- Terminal Form :
- Gull wing
- Logic Function :
- Multiplexer
- Supply Voltage-Min (Vsup) :
- 2.3V
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Mounting Type :
- Surface Mount
- Packaging :
- Tube
- Number of Outputs :
- 1
- Load Capacitance :
- 50pF
- Factory Lead Time :
- 6 Weeks
- Supply Voltage :
- 2.5V
- Max Frequency :
- 400kHz
- Temperature Grade :
- Industrial
- Interface :
- I2C, SMBus
- Power Dissipation :
- 400mW
- Supply Voltage-Max (Vsup) :
- 5.5V
- JESD-609 Code :
- e4
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Lead Free :
- Lead Free
- Number of Channels :
- 4
- Length :
- 12.8mm
- Pin Count :
- 20
- Datasheets
- PCA9545ADW
Specialized Texas Instruments PCA9545ADW Overview
The Specialized Texas Instruments PCA9545ADW is an advanced interface IC, specifically designed to cater to complex communication systems. Housed in a 20-SOIC package, this specialized IC enhances the functionality of multi-master I2C systems by enabling up to four separate I2C buses to connect to a single master. Its robust design and cutting-edge technology make it ideal for handling significant data traffic and preventing bus contention, thereby increasing the reliability and efficiency of your systems. The PCA9545ADW is perfectly suited for applications requiring multiple bus communications through one I2C channel, offering seamless functionality and support.
PCA9545ADW Features
The PCA9545ADW boasts a range of features that make it a prime choice for high-demand applications. These include four bidirectional translating switches that allow connection of up to four downstream buses. It supports both interrupt-driven and polled I2C operations, which simplifies integration into existing architectures. Additionally, the PCA9545ADW operates over a wide supply voltage range (from 2.3V to 5.5V) and offers an interrupt output feature for enhanced bus management, making it both versatile and efficient for various electronic environments.
PCA9545ADW Applications
- Multi-master I2C Systems: Enhances system reliability by allowing multiple master devices to communicate over single or multiple I2C buses without conflict.
- Data Servers: Facilitates robust data management and channel multiplexing, ensuring seamless communication between different subsystems within a server.
- Telecommunications Equipment: Provides the necessary interface functionalities to manage signal integrity and routing within complex telecommunication infrastructures.
- Consumer Electronics: Employs in devices such as TVs and home theater systems, where multiple internal processors need to communicate efficiently.
- Industrial Control Systems: Used in plant monitoring equipment where multiple sensor data needs to be aggregated and processed through different I2C channels.
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