Digital Temperature Sensor MICROCHIP TC77-3.3MOA Featuring SPI Interface for Electronic Applications
Product OverviewThe TC77 is a serially accessible digital temperature sensor designed for low-cost, small-form-factor applications. It outputs temperature data as a 13-bit digital word with SPI and MICROWIRE compatible interfaces. Offering solid-state temperature sensing with high accuracy across a wide operating range, the TC77 features low power consumption in both continuous conversion and shutdown modes, making it ideal for thermal management in various electronic systems
Product Overview
The TC77 is a serially accessible digital temperature sensor designed for low-cost, small-form-factor applications. It outputs temperature data as a 13-bit digital word with SPI and MICROWIRE compatible interfaces. Offering solid-state temperature sensing with high accuracy across a wide operating range, the TC77 features low power consumption in both continuous conversion and shutdown modes, making it ideal for thermal management in various electronic systems.
Product Attributes
- Brand: Microchip Technology Inc.
- Origin: Datasheet content from 2002-2012
Technical Specifications
| Parameter | Symbol | Min | Typ | Max | Units | Conditions |
| Operating Voltage Range | VDD | 2.7 | 5.5 | V | Note 1 | |
| Operating Current (Continuous Conversion) | IDD | 250 | 400 | A | Continuous Temperature Conversion Mode | |
| Power-On Reset Threshold | VPOR | 1.2 | 1.6 | 2.2 | V | VDD falling or rising edge |
| Standby Supply Current (Shutdown Mode) | IDD- STANDBY | 0.1 | 1.0 | A | Shutdown Mode | |
| Converter Resolution | 13 | Bits | ADC LSb = 0.0625C/bit (Note 4) | |||
| Temperature Conversion Time | tCT | 300 | 400 | ms | ||
| Temperature Accuracy | TERR | -3.0 | +3.0 | C | -55C to +125C | |
| Temperature Accuracy | TERR | -2.0 | +2.0 | C | -40C to +85C | |
| Temperature Accuracy | TERR | -1.0 | +1.0 | C | +25C to +65C | |
| High Level Input Voltage | VIH | 0.7 VDD | VDD + 0.3 | V | ||
| Low Level Input Voltage | VIL | -0.3 | 0.3 VDD | V | ||
| High Level Output Voltage | VOH | 2.4 | V | IOH = -400 A | ||
| Low Level Output Voltage | VOL | 0.4 | V | IOL = +2 mA | ||
| Input Current | IIN(0), IIN(1) | -1.0 | +1.0 | A | VIN = GND or VDD | |
| Input Hysteresis | 0.35 | 0.8 | V | |||
| Pin Capacitance | CIN, COUT | 20 | pF | |||
| Tri-state Output Leakage Current | IO_LEAK | -1.0 | +1.0 | A | VO = GND or VDD | |
| Clock Frequency | fCLK | DC | 7.0 | MHz | ||
| CS Fall to First Rising SCK Edge | tCS-SCK | 100 | ns | |||
| CS Low to Data Out Delay | tCS-SI/O | 70 | ns | |||
| SCK Fall to Data Out Delay | tDO | 100 | ns | |||
| CS High to Data Out Tri-state | tDIS | 200 | ns | |||
| SCK High to Data In Hold Time | tHD | 50 | ns | |||
| Data In Set-up Time | tSU | 30 | ns | |||
| Thermal Resistance (SOT23-5) | JA | 230 | C/W | |||
| Thermal Resistance (8L-SOIC) | JA | 163 | C/W |
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