Specifications
| Type | Description |
|---|---|
| Part Number | TMP1075 |
| Manufacturer | Texas Instruments |
| Product Type | Digital temperature sensor |
| Category | Sensor |
| Package Case | SOIC-8 (D) 4.90 mm x 6.00 mm; VSSOP-8 (DGK) 3.00 mm x 4.90 mm; WSON-8 (DSG) 2.00 mm x 2.00 mm; SOT563-6 (DRL/TMP1075N) 1.60 mm x 1.60 mm |
| Sensor Interface | SMBus, I2C; two-wire digital interface |
| Temperature Accuracy | ±0.25 °C typical; from -55 °C to 125 °C |
| Temperature Accuracy | ±1 °C maximum; from -40 °C to 110 °C |
| Temperature Accuracy | ±2 °C maximum; from -55 °C to 125 °C |
| Temperature Resolution | 12 bits; 0.0625 °C/LSB; on-chip ADC |
| Supported I2C Addresses | Up to 32; TMP1075 packages with address pins |
| Supply Voltage | 1.7 V to 5.5 V; TMP1075 |
| Supply Voltage | 1.62 V to 3.6 V; TMP1075N |
| Average Current | 2.7 µA; low power consumption feature |
| Shutdown Current | 0.37 µA; low power consumption feature |
| Operating Temperature Range | -55 °C to 125 °C; TMP1075 D, DGK, and DSG packages |
| Operating Temperature Range | -40 °C to 125 °C; TMP1075N DRL package |
| Package Body Size | 4.90 mm x 3.91 mm; TMP1075 D SOIC package |
| Package Body Size | 3.00 mm x 3.00 mm; TMP1075 DGK VSSOP package |
| Package Body Size | 2.00 mm x 2.00 mm; TMP1075 DSG WSON package |
| Package Body Size | 1.60 mm x 1.20 mm; TMP1075N DRL SOT563 package |
| I2C Addresses | 32; TMP1075 D, DGK, and DSG packages |
| I2C Addresses | 4; TMP1075N DRL package |
| Conversion Rate Settings | Supported; TMP1075 D, DGK, and DSG packages |
| Conversion Rate Settings | Not supported; TMP1075N DRL package |
| Device ID | Supported; TMP1075 D, DGK, and DSG packages |
| Device ID | Not supported; TMP1075N DRL package |
| ALERT Pin Function | Open-drain overtemperature alert output; requires pullup resistor |
| SDA Pin Function | Open-drain serial data I/O; requires pullup resistor |
| Address Select A0 | Connect to GND, V+, SDA, or SCL |
| Address Select A1 | Connect to GND, V+, SDA, or SCL; not available on SOT563 |
| Address Select A2 | Connect to GND or V+; not available on SOT563 |
| Absolute Maximum Supply Voltage | 6.5 V; TMP1075 V+ |
| Absolute Maximum Supply Voltage | 4 V; TMP1075N V+ |
| Absolute Maximum Input Voltage | -0.3 V to 6.5 V; TMP1075 SCL, SDA, A1, A0 pins |
| Absolute Maximum Input Voltage | -0.3 V to 4 V; TMP1075N SCL, SDA, A0 pins |
| Absolute Maximum A2 Input Voltage | -0.3 V to V+ + 0.3 V; TMP1075 A2 pin |
| Absolute Maximum Operating Temperature | -55 °C to 150 °C |
| Junction Temperature | 150 °C; absolute maximum TJ |
| Storage Temperature | -60 °C to 130 °C; absolute maximum Tstg |
| ESD Rating | 2000 V; human body model per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating | 1000 V; charged device model per JEDEC JESD22-C101 |
| Recommended Supply Voltage | 1.7 V min, 5.5 V max; TMP1075 |
| Recommended Supply Voltage | 1.62 V min, 3.3 V nominal, 3.6 V max; TMP1075N |
| Recommended Operating Free-Air Temperature | -55 °C to 125 °C; TMP1075 TA |
| Recommended Operating Free-Air Temperature | -40 °C to 125 °C; TMP1075N TA |
| Junction-to-Ambient Thermal Resistance | 202.5 °C/W; TMP1075 DGK VSSOP-8 |
| Junction-to-Ambient Thermal Resistance | 130.4 °C/W; TMP1075 D SOIC-8 |
| Junction-to-Ambient Thermal Resistance | 87.4 °C/W; TMP1075 DSG WSON-8 |
| Junction-to-Ambient Thermal Resistance | 240.2 °C/W; TMP1075N DRL SOT563-6 |
| Temperature Input Range | -55 °C to 125 °C; TMP1075 electrical characteristics, V+ = 1.7 V to 5.5 V |
| Temperature Accuracy | ±0.25 °C typical, ±1 °C maximum; TMP1075 DGK/D, -40 °C to 110 °C |
| Temperature Accuracy | ±0.25 °C typical, ±2 °C maximum; TMP1075 DGK/D, -55 °C to 125 °C |
| Temperature Accuracy | ±0.25 °C typical, ±1 °C maximum; TMP1075 DSG, -40 °C to 75 °C |
| Temperature Accuracy | ±0.25 °C typical, ±2 °C maximum; TMP1075 DSG, -55 °C to 125 °C |
| Power Supply Rejection Ratio | ±0.03 °C/V; TMP1075 accuracy vs supply |
| Repeatability | 0.0625 °C; 25 °C, V+ = 3.3 V, one-shot mode, 1 sample per minute for 24 hours |
| Long-Term Drift | 0.0625 °C; 500 hours at 150 °C, 5.5 V |
| Input Capacitance | 5 pF; TMP1075 digital input/output |
| High-Level Input Logic | 0.7 x V+; TMP1075 VIH |
| Low-Level Input Logic | 0.3 x V+; TMP1075 VIL |
| Input Leakage Current | -0.25 µA min, 0 µA typical, 0.25 µA max; TMP1075 digital inputs |
| Input Voltage Hysteresis | 600 mV; TMP1075 SCL and SDA pins |
| Low-Level Output Logic | 0 V min, 0.15 V typical, 0.4 V max; TMP1075 SDA and ALERT pins, IOL = -3 mA |
| ADC Conversion Time | 4.5 ms min, 5.5 ms typical, 7 ms max; TMP1075 one-shot mode |
| Conversion Time | 27.5 ms; TMP1075 R1 = 0, R0 = 0 default |
| Conversion Time | 55 ms; TMP1075 R1 = 0, R0 = 1 |
| Conversion Time | 110 ms; TMP1075 R1 = 1, R0 = 0 |
| Conversion Time | 220 ms; TMP1075 R1 = 1, R0 = 1 |
| Reset Time | 0.3 ms; time between reset until ADC conversion start |
| Conversion Rate Variation | -10% min, 0% typical, 10% max; TMP1075 |
| Operating Voltage Range | 1.7 V min, 3.3 V typical, 5.5 V max; TMP1075 power supply |
| Quiescent Current | 10 µA typical, 20 µA max; TMP1075 serial bus inactive, R1 = 0, R0 = 0 default |
| Quiescent Current | 5.5 µA typical, 9 µA max; TMP1075 serial bus inactive, R1 = 0, R0 = 1 |
| Quiescent Current | 4 µA typical, 6 µA max; TMP1075 serial bus inactive, R1 = 1, R0 = 0 |
| Quiescent Current | 2.7 µA typical, 4 µA max; TMP1075 serial bus inactive, R1 = 1, R0 = 1 |
| Active Conversion Current | 52 µA typical, 85 µA max; TMP1075 during 5.5 ms active conversion |
| Serial Bus Active Current | 13 µA; TMP1075 SCL frequency = 400 kHz, A0 = A1 = A2 = GND |
| Shutdown Current | 0.37 µA typical, 0.65 µA max; TMP1075 serial bus inactive, A0 = A1 = A2 = SCL = SDA = V+, 25 °C |
| Shutdown Current | 0.37 µA typical, 3.5 µA max; TMP1075 serial bus inactive, A0 = A1 = A2 = SCL = SDA = V+ |
| Power-On Reset Threshold | 1.22 V; TMP1075 supply rising |
| Brown-Out Detect Threshold | 1.1 V; TMP1075 supply falling |
| Temperature Operating Range | -40 °C to 125 °C; TMP1075N temperature sensor |
| Temperature Accuracy | 0.25 °C typical, ±1 °C max; TMP1075N, -10 °C to 60 °C |
| Temperature Accuracy | 0.5 °C typical, ±2 °C max; TMP1075N, -40 °C to 125 °C |
| DC Power Supply Rejection | 0.2 °C/V typical, 0.5 °C/V max; TMP1075N PSR |
| Temperature Resolution | 12 bits including sign bit; 62.5 m°C/LSB; TMP1075N |
| Conversion Time | 10 ms typical, 15 ms max; TMP1075N |
| Input Capacitance | 3 pF; TMP1075N digital input/output |
| Input Logic High Level | 0.7 x V+ min, 3.6 V max; TMP1075N VIH |
| Input Logic Low Level | 0.3 x V+ max; TMP1075N VIL |
| Input Leakage Current | 1 µA max; TMP1075N, 0 V < V+ < 3.6 V |
| Output Low Level | 0 V min, 0.4 V max; TMP1075N SDA and ALERT, V+ > 2 V, IOL = 3 mA |
| Output Low Level | 0 V min, 0.2 x V+ max; TMP1075N SDA and ALERT, V+ < 2 V, IOL = 3 mA |
| Operating Supply Range | 1.62 V to 3.6 V; TMP1075N V+ |
| Average Current Consumption | 4.8 µA typical, 7.5 µA max; TMP1075N serial bus inactive |
| Average Current Consumption | 10 µA; TMP1075N serial bus active, SCL frequency = 400 kHz |
| Average Current Consumption | 40 µA; TMP1075N serial bus active, SCL frequency = 2.85 MHz |
| Shutdown Current | 0.15 µA typical, 0.35 µA max; TMP1075N serial bus inactive |
| Shutdown Current | 5.5 µA; TMP1075N serial bus active, SCL frequency = 400 kHz |
| Shutdown Current | 35 µA; TMP1075N serial bus active, SCL frequency = 2.85 MHz |
| SCL Operating Frequency | 0.001 MHz min, 0.4 MHz max; TMP1075 fast mode timing, V+ = 1.7 V to 5.5 V, -55 °C to 125 °C |
| SCL Operating Frequency | 0.001 MHz min, 2.56 MHz max; TMP1075 high-speed mode timing, V+ = 1.7 V to 5.5 V, -55 °C to 125 °C |
| Bus-Free Time Between STOP and START | 1300 ns min; TMP1075 fast mode |
| Bus-Free Time Between STOP and START | 160 ns min; TMP1075 high-speed mode |
| Datasheet Status | request_only |
Product Overview
The TMP1075 is a Texas Instruments digital temperature sensor for SMBus and I2C systems. It provides 12-bit temperature conversion with 0.0625 °C/LSB resolution and a specified ±0.25 °C typical accuracy across the extracted operating ranges. TMP1075 variants support supply operation from 1.7 V to 5.5 V, while TMP1075N supports 1.62 V to 3.6 V operation.
Key Features
- SMBus and I2C two-wire digital interface
- 12-bit output with 0.0625 °C/LSB resolution
- ±0.25 °C typical temperature accuracy
- TMP1075 supply range from 1.7 V to 5.5 V
- TMP1075N supply range from 1.62 V to 3.6 V
- Up to 32 I2C addresses on TMP1075 packages
- Open-drain ALERT output for overtemperature indication
- Open-drain SDA pin requires pullup resistor
- One-shot ADC conversion time typically 5.5 ms
- Shutdown current down to 0.15 µA typical on TMP1075N
Typical Applications
- I2C temperature monitoring
- SMBus temperature sensing
- Overtemperature alert circuits
- Low-current sensor nodes
- Multi-address temperature networks
- Compact board temperature sensing
- Wide-temperature sensor designs
Procurement Notes
When requesting a quote for TMP1075, 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 interface does the TMP1075 temperature sensor use?
TMP1075 uses a two-wire digital interface compatible with SMBus and I2C. The SDA pin is an open-drain serial data I/O and requires a pullup resistor.
What temperature accuracy is specified for TMP1075?
The extracted specifications list ±0.25 °C typical accuracy from -55 °C to 125 °C, with ±1 °C maximum from -40 °C to 110 °C and ±2 °C maximum from -55 °C to 125 °C.
How many I2C addresses can TMP1075 support?
TMP1075 D, DGK, and DSG packages support 32 I2C addresses. The TMP1075N DRL SOT563 package supports 4 I2C addresses.
What package options are listed for TMP1075?
The extracted package options include SOIC-8 D, VSSOP-8 DGK, WSON-8 DSG, and SOT563-6 DRL for TMP1075N, with body sizes ranging down to 1.60 mm x 1.20 mm.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 7, 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.