Changsha Purple Horn E-Commerce Co., Ltd.
| Temperature Range | -40℃~+125℃ |
| Interface | I2C;SMBus |
| Voltage - Supply | 2.7V~5.5V |
| Description | -40℃~+125℃ 2.7V~5.5V TO-220-5 Analog and Digital Output RoHS |
| Mfr. Part # | TC74A3-5.0VAT |
| Package | TO-220-5 |
| Model Number | TC74A3-5.0VAT |
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Product Specification
| Temperature Range | -40℃~+125℃ | Interface | I2C;SMBus |
| Voltage - Supply | 2.7V~5.5V | Description | -40℃~+125℃ 2.7V~5.5V TO-220-5 Analog and Digital Output RoHS |
| Mfr. Part # | TC74A3-5.0VAT | Package | TO-220-5 |
| Model Number | TC74A3-5.0VAT |
The TC74 is a serially accessible, digital temperature sensor designed for low-cost, small-form-factor applications. It provides temperature data as an 8-bit digital word via a 2-wire SMBus/I2C compatible serial port. Key features include solid-state sensing with high accuracy, low power consumption in both operating and standby modes, and a supply voltage range of 2.7V to 5.5V. The TC74 is suitable for thermal protection, monitoring, and thermostat control in various electronic systems.
| Parameter | Symbol | Min | Typ | Max | Units | Conditions |
|---|---|---|---|---|---|---|
| Power-on Reset Threshold | VPOR | 1.2 | - | 2.2 | V | VDD Falling Edge or Rising Edge |
| Supply Voltage | VDD | 2.7 | - | 5.5 | V | Note 5 |
| Operating Current | IDD | - | 200 | 350 | A | VDD = 5.5V, Note 1 |
| Standby Supply Current | IDD-STANDBY | - | 5.0 | 10 | A | VDD = 3.3V Serial Port Inactive, Note 4 |
| Temperature Accuracy | TERR | - | 2.0 | - | C | +25C <TA < +85C |
| Temperature Accuracy | TERR | - | 3.0 | - | C | 0C < TA < +125C |
| Conversion Rate | CR | 4 | 8 | - | SPS | Note 2 |
| Logic Input High | VIH | 0.8 x VDD | - | - | V | |
| Logic Input Low | VIL | - | - | 0.2 x VDD | V | |
| SDA Output Low | VOL | - | - | 0.4 | V | IOL = 3 mA |
| SDA Output Low | VOL | - | - | 0.6 | V | IOL = 6 mA, Note 3 |
| Input Capacitance | CIN | - | 5.0 | - | pF | SDA, SCLK |
| I/O Leakage | ILEAK | -1.0 | 0.1 | 1.0 | A | |
| SMBus/I2C Clock Frequency | fSMB | 10 | - | 100 | kHz | Serial Port AC Timing (CLOAD = 80 pF) |
| Low Clock Period | tLOW | 4.7 | - | - | sec | |
| High Clock Period | tHIGH | 4.0 | - | - | sec | |
| SMBus/I2C Rise Time | tR | - | - | 1000 | nsec | 10% to 90% |
| SMBus/I2C Fall Time | tF | - | - | 300 | nsec | 90% to 10% |
| START Condition Setup Time | tSU(START) | 4.0 | - | - | sec | |
| START Condition Hold Time | tH(START) | 4.0 | - | - | sec | |
| Data In Setup Time | tSU-DATA | 1000 | - | - | nsec | |
| Data In Hold Time | tH-DAT | 1250 | - | - | nsec | |
| STOP Condition Setup Time | tSU(STOP) | 4.0 | - | - | sec | |
| Bus Free Time Prior to New Transition | tIDLE | 4.7 | - | - | sec | |
| Power-on Reset Delay | tPOR | - | 500 | - | sec | VDD VPOR (Rising Edge) |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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