Specifications
| Type | Description |
|---|---|
| Part Number | TMP411 |
| Manufacturer | Texas Instruments |
| Product Type | Remote and local temperature sensor |
| Category | Sensors |
| Package / Case | TMP411: VSSOP-8 3.0mm x 4.9mm, SOIC-8 4.9mm x 6.0mm; TMP411D: SOT23-8 2.9mm x 2.8mm |
| Local Channel Accuracy | ±1°C, TMP411 |
| Remote Channel Accuracy | ±1°C, TMP411 |
| Local Channel Accuracy | ±0.8°C, TMP411D |
| Remote Channel Accuracy | ±0.8°C, TMP411D |
| Supply Voltage Range | 2.7V to 5.5V, TMP411 recommended operating condition |
| Supply Voltage Range | 1.62V to 5.5V, TMP411D recommended operating condition |
| Nominal Supply Voltage | 3.3V, TMP411 and TMP411D recommended operating condition |
| Operating Free-Air Temperature | -40°C to 125°C, recommended operating condition |
| Operating Temperature Range | -55°C to 127°C, absolute maximum rating |
| Junction Temperature | 150°C max, absolute maximum rating |
| Storage Temperature | -60°C to 130°C, absolute maximum rating |
| Programmable Resolution | 9 to 12 bits, local temperature channel |
| Remote Resolution | 12 bits, remote temperature channel |
| Interface Support | I2C and SMBus, two-wire serial interface |
| SMBus Supported Commands | Write byte, read byte, send byte, receive byte |
| Remote Measurement Range | Up to 150°C |
| Series Resistance Cancellation | Supported, TMP411 and TMP411D |
| Programmable Non-Ideality Factor | Supported, N-factor correction feature |
| Offset Register | Supported, user-defined offset register for system calibration |
| Threshold Limits | Programmable alarm threshold programming |
| Diode Fault Detection | Supported, remote sensor fault detection feature |
| ALERT/THERM2 Output | Active-low open-drain, pin 6; requires pullup resistor to V+ |
| THERM Output | Active-low open-drain, pin 4; requires pullup resistor to V+ |
| SDA Pin Function | Serial data line, open-drain, pin 7 SMBus bidirectional digital input-output; requires pullup resistor to V+ |
| SCL Pin Function | Serial clock line, open-drain, pin 8 SMBus digital input; requires pullup resistor to V+ |
| D+ Pin Function | Positive remote sensor connection, pin 2 analog input |
| D- Pin Function | Negative remote sensor connection, pin 3 analog input |
| ESD Rating HBM | ±3000V, per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating CDM | ±1000V, per ANSI/ESDA/JEDEC JS-002 |
| Input Current | 10mA max, absolute maximum rating |
| Power Supply Absolute Maximum | 7V max, TMP411 legacy chip |
| Power Supply Absolute Maximum | 6V max, TMP411 new chip and TMP411D |
| I2C Address Variants | 4Ch, 4Dh, 4Eh for TMP411A/TMP411DA, TMP411B/TMP411DB, TMP411C/TMP411DC |
| I2C Address Variant With Offset Register | 4Ch for TMP411E/TMP411DE |
| Average Current | 28µA typ, TMP411 at 0.0625Hz, VDD=3.3V, 25°C |
| Standby Current | 7.5µA typ, TMP411, VDD=3.3V, 25°C |
| Shutdown Current | 3µA typ, TMP411, VDD=3.3V, 25°C |
| Average Current | 1.5µA typ, TMP411D at 0.0625Hz, VDD=3.3V, 25°C |
| Standby Current | 1µA typ, TMP411D, VDD=3.3V, 25°C |
| Shutdown Current | 0.6µA typ, TMP411D, VDD=3.3V, 25°C |
| Conversion Time Per Channel | 115/2 ms typ, TMP411, VDD=3.3V, 25°C |
| Conversion Time Per Channel | 17.7 ms typ, TMP411D, VDD=3.3V, 25°C |
| Datasheet Status | request_only |
Product Overview
The TMP411 is a Texas Instruments remote and local temperature sensor for systems requiring temperature measurement through both an on-device local channel and a remote sensor connection. TMP411 accuracy is specified at ±1°C for both local and remote channels, while TMP411D accuracy is specified at ±0.8°C for both channels. The remote temperature measurement range extends up to 150°C.
The device supports a two-wire I2C and SMBus serial interface with write byte, read byte, send byte, and receive byte commands. The local temperature channel offers programmable 9-bit to 12-bit resolution, and the remote channel provides 12-bit resolution. Supported functions include series resistance cancellation, programmable non-ideality factor correction, a user-defined offset register for calibration, programmable alarm thresholds, and diode fault detection.
TMP411 package options include VSSOP-8 and SOIC-8, while TMP411D is offered in SOT23-8. Open-drain SDA, SCL, ALERT/THERM2, and THERM pins require pullup resistors to V+, supporting integration into monitored digital thermal systems.
Key Features
- Remote and local temperature sensing channels
- ±1°C TMP411 local and remote accuracy
- ±0.8°C TMP411D local and remote accuracy
- I2C and SMBus two-wire serial interface
- Local channel programmable 9-bit to 12-bit resolution
- Remote channel provides 12-bit resolution
- Remote measurement range up to 150°C
- Series resistance cancellation and N-factor correction
- Programmable thresholds with diode fault detection
- Open-drain ALERT/THERM2 and THERM outputs
Typical Applications
- Remote temperature monitoring
- Local board temperature sensing
- I2C thermal monitoring systems
- SMBus temperature reporting
- Programmable thermal alarm systems
- Remote diode sensor monitoring
- Low-current temperature measurement
Procurement Notes
When requesting a quote for TMP411, 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 analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What type of sensor is the TMP411?
The TMP411 is a Texas Instruments remote and local temperature sensor. It includes a local temperature channel and remote sensor inputs through D+ and D- pins, with I2C and SMBus interface support.
What accuracy does the TMP411 provide?
For TMP411, both the local and remote temperature channels are specified at ±1°C accuracy. TMP411D is specified at ±0.8°C accuracy for both local and remote channels.
What supply voltage range does TMP411 support?
TMP411 has a recommended operating supply range of 2.7V to 5.5V. TMP411D supports 1.62V to 5.5V, and both TMP411 and TMP411D list 3.3V as the nominal recommended supply voltage.
Which serial interfaces are supported by TMP411?
TMP411 supports I2C and SMBus through a two-wire serial interface. SMBus operation includes write byte, read byte, send byte, and receive byte commands.
What package options are listed for TMP411?
TMP411 package options are VSSOP-8 measuring 3.0mm x 4.9mm and SOIC-8 measuring 4.9mm x 6.0mm. TMP411D is listed in an SOT23-8 package measuring 2.9mm x 2.8mm.
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.