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LTC4300A-1IMS8
+BOMInterface - Signal Buffers, Repeaters LTC4300A-1 - Hot Swappable 2-Wire Bus Buffers
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Nhà sản xuấtAnalog Devices
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Ông. Phần #LTC4300A-1IMS8
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Bảng dữ liệu LTC4300A-1IMS8 DataSheet
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Description
Key features of the LTC4300A-1IMS8 include:
1. Hot-Swap Capability: Allows for seamless addition and removal of I2C devices on the bus.
2. I2C Level Shifting: Provides level shifting between different voltage domains.
3. Input-Output Isolation: Isolates the I2C bus during hot-swap events.
4. Rise Time Acceleration: Improves bus speed and performance by accelerating low-to-high edges.
5. Stuck Bus Recovery: Automatically recovers from bus lock-up conditions.
6. Operating Voltage: Typically operates at 2.7V to 5.5V.
7. Low Standby Current: Ensures minimal power consumption when inactive.
The LTC4300A-1IMS8 is housed in an 8-lead MSOP package, making it compact and suitable for space-constrained applications. Its robust feature set helps maintain data integrity and system reliability in complex electronic systems.
Equivalent
1. PCA9515A by NXP - An I2C bus repeater.
2. TCA9511A by Texas Instruments - An I2C bus hot-swappable buffer.
3. P82B96 by NXP - An I2C bus extender.
These components share similar functions like buffering and extending I2C bus signals, making them suitable alternatives. Always verify specific requirements and specifications to ensure compatibility with your application.
Features
1. I2C Bus Buffering: It isolates capacitance, enabling hot-swapping and hot insertion/removal of I2C devices without disrupting the bus.
2. Rise Time Accelerator: This feature improves signal integrity over long distances by enhancing rising edge performance, allowing for higher data rates.
3. Stuck Bus Recovery: It includes a built-in mechanism to recover buses that are stuck low, enhancing robustness.
4. Bus Stuck Low Timeout: This feature ensures that a bus that is stuck low is released after a predefined timeout, preventing bus lockup.
5. Capacitance Isolation: It prevents excessive capacitive loading on the main I2C bus, allowing more devices to be connected.
6. Low Offset Voltage: Ensures precise voltage level detection, allowing for accurate communication.
7. Operating Range: Supports a wide supply voltage range from 2.7V to 5.5V, making it versatile for different applications.
8. Bidirectional Communication: Supports both standard-mode and fast-mode I2C speeds.
This combination of features makes the LTC4300A-1IMS8 ideal for robust and reliable I2C systems, particularly in environments where devices are frequently added or removed.
Pinout
Pin Functions:
1. VCC: Supply voltage pin.
2. GND: Ground pin.
3. SDAIN: Serial Data Input from the backplane.
4. SCLIN: Serial Clock Input from the backplane.
5. SDAOUT: Serial Data Output to the card.
6. SCLOUT: Serial Clock Output to the card.
7. ENABLE: Input pin to enable or disable the device.
8. READY: Output pin indicating the device is ready for operation.
These pins facilitate the buffering and isolation of the I²C bus, allowing for stable communication even during live operations. The READY pin helps in determining when the bus is stable and ready for normal operation.