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TCA9803DGKR
8-VSSOP package, -40 to 125°C temperature range
Brands: Texas Instruments
Mfr.Part #: TCA9803DGKR
Datasheet: TCA9803DGKR Datasheet (PDF)
Package/Case: VSSOP (DGK)-8
RoHS Status:
Stock Condition: 5692 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomTCA9803DGKR General Description
The TCA9803 is a dual-channel bidirectional buffer intended for I2C bus and SMBus/PMBus systems. It provides bidirectional level shifting (up-translation and down-translation) between low voltages (down to 0.8 V) and higher voltages (1.65 V to 3.6 V). The TCA9803 features an internal current source on the B-side of the device, allowing 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 TCA9803 is able to provide true buffering (rather than a pass-FET solution) without using a static voltage offset or incremental offset. This means that the VOL on both the A and B sides of the TCA9803 are very low (approximately 0.2 V), helping to eliminate communication issues as a result of fixed VIL thresholds. Another key feature of the TCA9803 is that there are no power sequencing requirements, or power supply dependencies. VCCA can be greater than, less than, or equal to VCCB. This gives the system designer flexibility with how the TCA9803 is used.
The TCA9803 is part of a four device family with varying current source strengths (see the Device Comparison Table).
Features
- Two-channel bidirectional buffer
- Integrated current source on B-side, requires no external B-side resistors
- Ultra-low power consumption
- No static-voltage offset, low VOL
- I2C bus and SMBus compatible
- Operating supply voltage range of 0.8 V to 3.6 V on A-side
- Operating supply voltage range of 1.65 V to 3.6 V on B-side
- Active-high repeater enable input
- Powered-off high impedance I2C bus pins on A-side
- Powered-off back-power protection I2C bus pins
- Support for clock stretching and multiple master arbitration
- Family of current source options from 0.5 mA to 3 mA
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Features | Buffer, Enable pin | Frequency (max) (MHz) | 0.4 |
| VCCA (min) (V) | 0.8 | VCCA (max) (V) | 3.6 |
| VCCB (min) (V) | 1.65 | VCCB (max) (V) | 3.6 |
| Supply restrictions | No rule | Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
We provide high quality products, thoughtful service and after sale guarantee
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We have rich products, can meet your various needs.
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Minimum order quantity starts from 1pcs.
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365 days quality guarantee for all products
