TCA9544APWR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-40576-2-ND |
Manufacturer Part#: |
TCA9544APWR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC I2C SW 4CH W/RESET 20TSSOP |
More Detail: | Multiplexer 2 x 1:4 20-TSSOP |
DataSheet: | TCA9544APWR Datasheet/PDF |
Quantity: | 4000 |
Series: | TCA |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | Multiplexer |
Circuit: | 2 x 1:4 |
Independent Circuits: | 1 |
Current - Output High, Low: | -- |
Voltage Supply Source: | Single Supply |
Voltage - Supply: | 1.65 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 20-TSSOP |
Base Part Number: | TCA9544 |
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Logic - Signal Switches, Multiplexers, Decoders
The TCA9544APWR is a logic-signal switch that allows data from up to four devices to be sent over a single line. It is an integrated circuit (IC) that contains four bidirectional break-before-make (BBMB) analog switches with a logic control input. The IC is commonly used when the data needs to be multiplexed, or when equipment must share the same physical bus. The TCA9544APWR is often used in applications such as LED displays, audio-video equipment, or PLCs.
Features and Specifications
The TCA9544APWR features four independent switches, each with its own control input. The 3.3-V input logic controls the switching direction, allowing up to four devices to be connected. It has an operating voltage range of 2.7-5 V, a typical on-resistance of 45 Ω, and an ESD rating of ±6 kV. With its low channel-to-channel skewness of 1 ns and propagation delay of 10 ns, this IC is suitable for a wide range of applications.
Other Considerations
The TCA9544APWR is available in a small 8-pin package and has a power-up/down reset time of 1 µs. It is ideal for applications where fast response time is critical and low power operation is necessary. Its low-power mode consumes only 13 µA and its high-speed capabilities make it suitable for data transmission protocols such as I2C and SPI. Finally, it is immune to electrostatic discharges and has a maximum operating temperature of +85° C.
Application Field and Working Principle
This IC is ideally suited for multiplexing data in industrial applications. It can be used to switch a signal between four different locations or to split a signal into multiple channels. In a typical application scenario, the TCA9544APWR is used to send data from four devices to a single line. The control inputs determine which device will be sending data and when, allowing data to be sent over one line. The TCA9544APWR can also be used to multiplex control signals and split signals into multiple channels.
The main working principle of the TCA9544APWR is based on the BBMB switches being driven by the logic control inputs. When the logic inputs are high, the switch will be closed, allowing data to pass through. When the logic inputs are low, the switch will be open and data will not be transmitted. When multiple switches are used, all of the logic inputs have to be high for data to be sent through all switches.
In summary, the TCA9544APWR is a versatile IC for multiplexing and splitting signals. It can be used for a variety of applications including LED displays, audio-video equipment, and PLCs. It features an operating voltage range of 2.7-5V, a typical on-resistance of 45 Ω, a power-up/down reset time of 1uS, and an ESD rating of ±6 kV. With its low channel-to-channel skewness of 1 ns and propagation delay of 10 ns, it is an ideal solution for applications requiring a fast switch.
The specific data is subject to PDF, and the above content is for reference
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