Specifications
| Type | Description |
|---|---|
| Part Number | TMP75 |
| Manufacturer | Texas Instruments |
| Product Type | Digital temperature sensor |
| Category | Sensor |
| Package / Case | 8-pin SOIC 4.90 mm × 3.91 mm; 8-pin VSSOP 3.00 mm × 3.00 mm |
| Temperature Sensing Type | Digital temperature sensor; TMP75 device family |
| Interface Compatibility | SMBus, two-wire, and I2C compatible; digital output interface |
| TMP75 Address Count | 8 addresses; devices on one bus |
| NIST Traceability | NIST traceable; production units 100% tested against NIST-traceable sensors using ISO/IEC 17025 traceable equipment |
| Temperature Range | -40 to +125 °C; recommended operating and specified measurement range |
| Temperature Accuracy | ±0.5 °C typ, ±2 °C max; TMP75, -25 °C to +85 °C, V+ = 2.7 V to 5.5 V |
| Temperature Accuracy | ±1 °C typ, ±3 °C max; TMP75, -40 °C to +125 °C, V+ = 2.7 V to 5.5 V |
| Temperature Resolution | 0.0625 °C; selectable resolution |
| ADC Resolution | 9 to 12 bits; user selectable |
| Conversion Time | 27.5 ms typ, 37.5 ms max; 9-bit mode, R1 = 0, R0 = 0 |
| Conversion Time | 55 ms typ, 75 ms max; 10-bit mode, R1 = 0, R0 = 1 |
| Conversion Time | 110 ms typ, 150 ms max; 11-bit mode, R1 = 1, R0 = 0 |
| Conversion Time | 220 ms typ, 300 ms max; 12-bit mode, R1 = 1, R0 = 1 |
| Supply Voltage | 2.7 to 5.5 V; recommended operating condition |
| Average Current Consumption | 50 µA typ, 85 µA max; serial bus inactive |
| Average Current Consumption | 100 µA typ; serial bus active, SCL frequency = 400 kHz |
| Average Current Consumption | 410 µA typ; serial bus active, SCL frequency = 3.4 MHz |
| Shutdown Current | 0.1 µA typ, 3 µA max; serial bus inactive |
| Shutdown Current | 60 µA typ; serial bus active, SCL frequency = 400 kHz |
| Shutdown Current | 380 µA typ; serial bus active, SCL frequency = 3.4 MHz |
| Power Supply Rejection Temperature Error | ±200 m°C/V typ, ±500 m°C/V max; temperature error vs supply |
| Input Capacitance | 3 pF typ; digital input/output pins |
| Input Logic High Level | 0.7(V+) min, 6 V max; SDA, SCL, A0, A1, A2 |
| Input Logic Low Level | -0.5 V min, 0.3(V+) max; SDA, SCL, A0, A1, A2 |
| Input Leakage Current | 1 µA max; SDA, SCL, A0, A1, A2 |
| SDA/SCL Hysteresis | 500 mV typ; SDA and SCL inputs |
| Low-Level Output Logic Voltage | 0 V min, 0.15 V typ, 0.4 V max; SDA, IOL = 3 mA |
| Low-Level Output Logic Voltage | 0 V min, 0.15 V typ, 0.4 V max; ALERT, IOL = 4 mA |
| Fast-Mode SCL Operating Frequency | 1 to 400 kHz; I2C interface timing |
| High-Speed-Mode SCL Operating Frequency | 1 to 2380 kHz; I2C interface timing |
| Fast-Mode Bus-Free Time | 1.3 µs min; between STOP and START conditions |
| High-Speed-Mode Bus-Free Time | 0.16 µs min; between STOP and START conditions |
| ESD Rating | ±4000 V; human-body model per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating | ±1000 V; charged-device model per JEDEC JESD22-C101 |
| Absolute Maximum Supply Voltage | 6.5 V max; TMP75 V+ |
| Operating Ambient Temperature | -40 to +125 °C; recommended operating condition |
| Pin Count | 8 pins; SOIC and VSSOP packages |
| ALERT Output Type | Open-drain output; requires pullup resistor; overtemperature alert pin |
| Datasheet Status | request_only |
Product Overview
The Texas Instruments TMP75 is a digital temperature sensor in the Sensor category. Its digital output interface is compatible with SMBus, two-wire, and I2C operation, and the TMP75 address configuration supports 8 addresses on one bus. Production units are 100% tested against NIST-traceable sensors using ISO/IEC 17025 traceable equipment.
The device operates from a recommended 2.7 to 5.5 V supply and is specified over a -40 to +125 °C ambient and measurement range. Temperature accuracy is ±0.5 °C typical and ±2 °C maximum from -25 °C to +85 °C, and ±1 °C typical and ±3 °C maximum across -40 °C to +125 °C. Resolution is selectable from 9 to 12 ADC bits, with 0.0625 °C temperature resolution.
Package options include 8-pin SOIC 4.90 mm × 3.91 mm and 8-pin VSSOP 3.00 mm × 3.00 mm. The ALERT pin is an open-drain overtemperature output that requires a pullup resistor, supporting temperature-threshold signaling in digital thermal monitoring applications.
Key Features
- Digital temperature sensor in the TMP75 device family
- SMBus, two-wire, and I2C-compatible digital output interface
- Eight TMP75 addresses supported on one bus
- NIST-traceable production testing with ISO/IEC 17025 traceable equipment
- -40 to +125 °C operating and measurement range
- Selectable 9- to 12-bit ADC resolution
- 0.0625 °C selectable temperature resolution
- 2.7 to 5.5 V recommended supply voltage
- Open-drain ALERT output requires pullup resistor
- 8-pin SOIC and VSSOP package options
Typical Applications
- I2C temperature monitoring
- SMBus thermal sensing
- Two-wire temperature measurement
- Multi-sensor bus temperature nodes
- Overtemperature alert signaling
- Low-current digital temperature sensing
- Wide-range ambient temperature monitoring
Procurement Notes
When requesting a quote for TMP75, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For memory and storage sourcing, density, organization, speed grade, voltage, package, temperature grade, date code, lifecycle status and original packing condition should be verified before approval.
FAQ
What type of sensor is the TMP75?
The TMP75 is a Texas Instruments digital temperature sensor. Its digital output interface is compatible with SMBus, two-wire, and I2C operation, and up to 8 TMP75 addresses can be used on one bus.
What temperature range does the TMP75 support?
The TMP75 recommended operating and specified measurement range is -40 to +125 °C. Across this full range, the listed accuracy is ±1 °C typical and ±3 °C maximum with V+ from 2.7 V to 5.5 V.
What package options are listed for TMP75?
The listed package options are 8-pin SOIC measuring 4.90 mm × 3.91 mm and 8-pin VSSOP measuring 3.00 mm × 3.00 mm. Both package options use 8 pins.
How does the TMP75 ALERT output operate?
The TMP75 includes an ALERT pin for overtemperature signaling. The ALERT output is open-drain and requires a pullup resistor. Its low-level output logic voltage is specified at 0 V minimum, 0.15 V typical, and 0.4 V maximum at IOL = 4 mA.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.