TCA9803DGKT
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Описание
TCA9803 Bus Buffer/Repeater Texas Instruments TCA9803 Bus Buffer/Repeater is a dual-channel bidirectional buffer intended for I2C bus and SMBus/PMBus systems. The device provides bi-directional level shifting between low voltages (down to 0.8V) and higher voltages (1.65V to 3.6V). The TCA9803 features an internal current source on the B-side of the device. This feature allows 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 Texas Instruments TCA9803 can provide true buffering (rather than a pass-FET solution) without a static voltage offset or incremental offset. This feature means that the VOL on both the A and B sides of the TCA9803 is very low. This feature helps to eliminate communication issues due to fixed VIL thresholds. Another key component of the TCA9803 is there are no power sequencing requirements or power supply dependencies. The VCCA can be greater than, less than, or equal to VCCB. This additional feature gives the system designer flexibility with how the TCA9803 is used.
Технические параметры
Brand: | Texas Instruments |
Factory Pack Quantity: | 250 |
Input Type: | Open Drain |
Interface Type: | I2C, SMBus |
Manufacturer: | Texas Instruments |
Maximum Clock Frequency: | 400 kHz |
Maximum Operating Temperature: | +85 C |
Minimum Operating Temperature: | -40 C |
Mounting Style: | SMD/SMT |
Number of Channels: | 2 Channel |
Operating Supply Current: | 45 uA |
Operating Supply Voltage: | 800 mV to 3.6 V, 1.65 V to 3.6 V |
Output Type: | Open Drain |
Package/Case: | VSSOP-8 |
Product Category: | Interface-Signal Buffers, Repeaters |
Product Type: | Signal Buffers, Repeaters |
Product: | Buffers |
Propagation Delay Time: | 15 ns, 120 ns |
Subcategory: | Interface ICs |
Supply Voltage - Max: | 3.6 V, 3.6 V |
Supply Voltage - Min: | 800 mV, 1.65 V |
Type: | I2C Bus |
Вес, г | 0.1 |
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