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TCA9803DGKR +BOM
2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 3-mA current source
MSOP8-
Produttore:
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ProduttorePart #:
TCA9803DGKR
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Scheda dati:
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Translator Type:
Voltage Level
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Channel Type:
Bidirectional
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Number Of Circuits:
1
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Channels Per Circuit:
2
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EDA/CAD Modelli:
Disponibilità: 4683 PZ
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TCA9803DGKR Descrizione generale
The TCA9803 is a dual-channel bidirectional bufferintended for I2C bus and SMBus/PMBus systems. It provides bidirectionallevel shifting (up-translation and down-translation) between low voltages (down to 0.8 V) andhigher voltages (1.65 V to 3.6 V). The TCA9803 features aninternal current source on the B-side of the device, allowing the removal of external pull-upresistors on the B-side. The current source also provides an improved rise time and ultra-low powerconsumption.
The TCA9803 is able to provide true buffering (ratherthan a pass-FET solution) without using a static voltage offset or incremental offset. This meansthat 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 VILthresholds. Another key feature of the TCA9803 is thatthere are no power sequencing requirements, or power supply dependencies. VCCAcan be greater than, less than, or equal to VCCB. This gives thesystem designer flexibility with how the TCA9803 isused.
The TCA9803 is part of a four device family withvarying current source strengths (see the Device Comparison Table).
Caratteristiche principali
- Two-Channel Bidirectional Buffer
- Integrated Current Source onB-side, Requires No External B-Side Resistors
- Ultra-Low PowerConsumption
- No Static-Voltage Offset, LowVOL
- I2C Bus and SMBusCompatible
- Operating Supply Voltage Range of 0.8 V to 3.6 V onA-side
- Operating Supply Voltage Range of 1.65 V to 3.6 V onB-side
- Active-High Repeater Enable Input
- Powered-Off HighImpedance I2C Bus Pins on A-Side
- Powered-Off Back-Power Protection I2C BusPins
- Support for Clock Stretching and Multiple MasterArbitration
- Family of Current Source Options from 0.5 mA to3 mA
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Applicazione
- Mixed-Voltage Systems:
- Used in systems where different components or subsystems operate at distinct voltage levels, facilitating communication between them.
- Sensor Networks:
- Applied in sensor networks or systems where sensors with different voltage requirements are connected through the I2C bus.
- Battery-Powered Devices:
- Integrated into battery-powered devices, such as portable electronics, to manage I2C communication between components with varying voltage needs.
- Industrial Automation:
- Utilized in industrial automation systems where devices with different voltage levels need to communicate on the I2C bus.
- Embedded Systems:
- Deployed in embedded systems where space is limited, and there is a need for voltage level translation in I2C communication.
Specifiche
Category | Integrated Circuits (ICs)LogicTranslators, Level Shifters | Series | - |
Translator Type | Voltage Level | Channel Type | Bidirectional |
Number of Circuits | 1 | Channels per Circuit | 2 |
Voltage - VCCA | 0.8 V ~ 3.6 V | Voltage - VCCB | 1.65 V ~ 3.6 V |
Input Signal | - | Output Signal | - |
Output Type | Non-Inverted | Data Rate | - |
Operating Temperature | -40°C ~ 125°C (TA) | Features | - |
Mounting Type | Surface Mount | Base Product Number | TCA9803 |
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In Stock: 4.683
Minimum Order: 1
Qtà. | Prezzo unitario | Est. Prezzo |
---|---|---|
1+ | $0,436 | $0,44 |
10+ | $0,353 | $3,53 |
30+ | $0,318 | $9,54 |
100+ | $0,275 | $27,50 |
500+ | $0,221 | $110,50 |
1000+ | $0,209 | $209,00 |
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Thank you the product corresponds to the description, i recommend the seller.