Product Overview
The MTMP75 is a digital temperature converter featuring an integrated bandgap temperature sensor and an 11-bit sigma-delta analog-to-digital converter (ADC). It also provides an over-temperature alert function. The device supports both normal operation and low-power modes. In normal operation, it periodically monitors ambient temperature, while in low-power mode, it shuts down to minimize power consumption. Communication is established via a two-wire I2C serial bus interface. The MTMP75 includes internal data registers for storing chip settings, detected temperature, and programmable over-temperature shutdown and hysteresis thresholds. The I2C interface supports 3 selectable logic address pins, allowing up to 8 devices on the same bus.
Product Attributes
- Brand: Msksemi
- Origin: China (implied by copyright and website)
Technical Specifications
| Parameter | Description | Min | Typ | Max | Unit |
| Operating Voltage Range | VCC | 2.8 | 3.3 | 5.5 | V |
| Recommended | 2.8 | - | 5.5 | V | |
| Temperature Measurement Range | Operating | -40 | - | 125 | |
| Ambient | -40 | - | 125 | ||
| Temperature Accuracy | -25 to 100 | -2 | - | 2 | |
| -40 to 125 | -3 | - | 3 | ||
| Temperature Resolution | ADC Resolution | - | - | 0.125 | |
| Interface | I2C Bus Interface | - | - | - | - |
| Logic Addresses | 3-bit address pins | - | - | - | - |
| Devices per Bus | - | - | - | 8 | - |
| Standby Current | Shutdown Mode | - | 0.2 | 1 | A |
| Operating Frequency Range | I2C | 20 | - | 400 | KHz |
| Temperature Threshold & Hysteresis | External Settable | - | - | - | - |
| Operation | Independent after Power-up | - | - | - | - |
| Package Form | MSOP8 | - | - | - | - |
| SOIC-8 | - | - | - | - | |
| Average Operating Current | Normal Operation, I2C Active (FSCL=400kHz) | - | - | 300 | uA |
| Input High Voltage | Digital Pins | 0.7*VCC | - | VCC+0.3 | V |
| Input Low Voltage | Digital Pins | -0.3 | - | 0.3*VCC | V |
| Output Low Voltage | SDA, OS Pins (IOL=3mA) | - | - | 0.4 | V |
| Output Low Voltage | SDA, OS Pins (IOL=4mA) | - | - | 0.8 | V |
| Over-temperature Error Count | Programmable | 1 | - | 6 | - |
| Over-temperature Threshold (Default) | TTH(OTS) | - | 80 | - | |
| Hysteresis Temperature (Default) | THYS | - | 75 | - | |
| Temperature Conversion Time | Normal Mode | - | - | 10 | ms |
| Temperature Conversion Period | Normal Mode | - | 100 | - | ms |
| SCL Clock Frequency | - | 0.02 | - | 400 | kHz |
| SCL Clock High Width | - | 0.6 | - | - | us |
| SCL Clock Low Width | - | 1.3 | - | - | us |
| START Hold Time | tHD;STA | 100 | - | - | ns |
| Data Setup Time | tSU;DAT | 100 | - | - | ns |
| Data Hold Time | tHD;DAT | 0 | - | - | ns |
| STOP Setup Time | tSU;STO | 100 | - | - | ns |
| Output Fall Time | SDA, OS (CL=400pF, RL=3mA) | - | - | 250 | ns |
| Timeout | tTO | 75 | - | 200 | ms |
Application Scenarios
- Temperature control systems
- Personal computers
- Electronic equipment
- Industrial control
2412191542_MSKSEMI-MTMP75AIDGKR_C42403128.pdf
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