Specifications
| Type | Description |
|---|---|
| Part Number | TMP175 |
| Manufacturer | Texas Instruments |
| Product Type | Digital temperature sensor |
| Category | Sensors |
| Package Case | SOIC-8 4.90 mm x 3.91 mm; VSSOP-8 3.00 mm x 3.00 mm |
| Temperature Sensing Range | -40 to +125 °C; Recommended/measurement operating range |
| Supply Voltage | 2.7 to 5.5 V; Recommended operating condition |
| Temperature Accuracy | ±0.5 °C typ, ±1.5 °C max; TMP175, -25 °C to +85 °C |
| Temperature Accuracy | ±1 °C typ, ±2 °C max; TMP175, -40 °C to +125 °C |
| Temperature Accuracy | ±0.5 °C typ, ±2 °C max; TMP75, -25 °C to +85 °C |
| Temperature Accuracy | ±1 °C typ, ±3 °C max; TMP75, -40 °C to +125 °C |
| Temperature Resolution | 0.0625 °C; Selectable, 12-bit ADC resolution |
| Digital Output Resolution | 9 to 12 bits; User-selectable |
| Conversion Time | 27.5 ms typ, 37.5 ms max; 9-bit, R1=0, R0=0 |
| Conversion Time | 55 ms typ, 75 ms max; 10-bit, R1=0, R0=1 |
| Conversion Time | 110 ms typ, 150 ms max; 11-bit, R1=1, R0=0 |
| Conversion Time | 220 ms typ, 300 ms max; 12-bit, R1=1, R0=1 |
| 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 |
| 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, SCL |
| Low-Level Output Logic Voltage | 0 V min, 0.15 V typ, 0.4 V max; SDA, IOL=3 mA |
| ALERT Low-Level Output Logic Voltage | 0 V min, 0.15 V typ, 0.4 V max; ALERT, IOL=4 mA |
| I2C/SMBus Address Count | 27 addresses; TMP175 |
| I2C/SMBus Address Count | 8 addresses; TMP75 |
| SCL Operating Frequency | 1 to 400 kHz; Fast mode |
| SCL Operating Frequency | 1 to 2380 kHz; High-speed mode |
| Bus-Free Time Between STOP and START | 1.3 µs min; Fast mode |
| Bus-Free Time Between STOP and START | 0.16 µs min; High-speed mode |
| Repeated START Setup Time | 0.6 µs min; Fast mode |
| Repeated START Setup Time | 0.16 µs min; High-speed mode |
| Data Setup Time | 100 ns min; Fast mode |
| Data Setup Time | 20 ns min; High-speed mode |
| Absolute Maximum Supply Voltage | 7 V max; TMP175, V+ |
| Absolute Maximum Supply Voltage | 6.5 V max; TMP75, V+ |
| Operating Temperature Absolute Maximum | -55 to +127 °C; Absolute maximum rating |
| Storage Temperature | -60 to +130 °C; Absolute maximum rating |
| ESD Rating HBM | ±4000 V; ANSI/ESDA/JEDEC JS-001 |
| ESD Rating CDM | ±1000 V; JEDEC JESD22-C101 |
| Datasheet Status | request_only |
Product Overview
TMP175 is a Texas Instruments digital temperature sensor intended for temperature measurement over a serial digital interface. The extracted datasheet facts identify it as a Sensor with a recommended measurement operating range of -40 to +125 °C and a recommended supply voltage range of 2.7 to 5.5 V.
For TMP175, temperature accuracy is specified at ±0.5 °C typical and ±1.5 °C maximum from -25 °C to +85 °C, and ±1 °C typical and ±2 °C maximum from -40 °C to +125 °C. The output resolution is user-selectable from 9 to 12 bits, with 0.0625 °C resolution available at the selectable 12-bit ADC setting. Conversion time scales by resolution from 27.5 ms typical at 9-bit to 220 ms typical at 12-bit.
Package options are listed as SOIC-8 4.90 mm x 3.91 mm and VSSOP-8 3.00 mm x 3.00 mm. Interface-related facts include 27 I2C/SMBus addresses for TMP175, SCL operation from 1 to 400 kHz in fast mode, and 1 to 2380 kHz in high-speed mode. Current consumption and shutdown-current specifications support use in systems that monitor board-level temperature over an I2C/SMBus interface.
Key Features
- Digital temperature sensor for -40 to +125 °C measurement
- 2.7 to 5.5 V recommended supply range
- TMP175 accuracy reaches ±0.5 °C typical from -25 to +85 °C
- User-selectable 9-bit to 12-bit digital output resolution
- 0.0625 °C resolution at selectable 12-bit ADC setting
- 12-bit conversion time is 220 ms typical, 300 ms maximum
- TMP175 supports 27 I2C/SMBus addresses
- Fast-mode SCL operating frequency spans 1 to 400 kHz
- High-speed-mode SCL operating frequency spans 1 to 2380 kHz
- Shutdown current is 0.1 µA typical with inactive serial bus
Typical Applications
- I2C temperature measurement nodes
- SMBus temperature monitoring systems
- Board-level thermal sensing
- Multi-address sensor networks
- Low-current shutdown temperature sensing
- Fast-mode serial sensor designs
- High-speed-mode serial sensor designs
Procurement Notes
When requesting a quote for TMP175, 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 supply voltage range does TMP175 support?
TMP175 has a recommended operating supply voltage range of 2.7 to 5.5 V. The extracted absolute maximum supply-voltage fact for TMP175 lists V+ at 7 V maximum.
What temperature range can TMP175 measure?
The recommended measurement operating range for TMP175 is -40 to +125 °C. The extracted absolute maximum operating temperature rating is -55 to +127 °C.
What digital output resolution is available on TMP175?
The digital output resolution is user-selectable from 9 to 12 bits. At the selectable 12-bit ADC resolution setting, the temperature resolution is listed as 0.0625 °C.
How many I2C or SMBus addresses does TMP175 provide?
The extracted datasheet facts list 27 I2C/SMBus addresses for TMP175. A related TMP75 fact lists 8 addresses for TMP75.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 28, 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.