TMP122AIDBVR Texas Instruments Integrated Circuit (SOT23 (6-Pin)) In Stock
Texas Instruments TMP122AIDBVR is a 12-bit digital temperature sensor with SPI interface and alert function in SOT-23-6 package with ±1.5°C maximum accuracy. Measures temperatures with 0.0625°C resolution for precise thermal monitoring. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- TMP122AIDBVR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0500(MOQ 10)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TMP122AIDBVR?
- 12-bit resolution providing 0.0625°C temperature steps for precise thermal measurements
- SPI interface with alert output enabling direct microcontroller integration and threshold interrupts
- ±1.5°C maximum accuracy in compact SOT-23-6 package for space-constrained thermal monitoring
What is TMP122AIDBVR used for?
The TMP122AIDBVR 12-bit SPI temperature sensor suits precision thermal management in computing systems, battery protection circuits, and industrial process control requiring accurate temperature monitoring with digital output. Its alert function enables autonomous over-temperature shutdown or fan control without continuous microcontroller polling, reducing system power consumption. The SOT-23-6 package fits tight board layouts in portable equipment, server thermal zones, and IoT sensor nodes.
What are the specifications of TMP122AIDBVR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Accuracy-Max (Cel) | 1.5Cel |
| Body Breadth | 1.6mm |
| Body Height | 1.45mm |
| Body Length or Diameter | 2.9mm |
| Housing | PLASTIC |
| JESD-609 Code | e4 |
| Mounting Feature | SURFACE MOUNT |
| Number of Bits | 12 |
| Operating Current-Max | 0.075mA |
| Output Interface Type | SPI INTERFACE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape/Style | RECTANGULAR |
| Sensors/Transducers Type | TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Surface Mount | YES |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Termination Type | SOLDER |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the TMP122AIDBVR datasheet?
TMP122AIDBVR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TMP122AIDBVR?
Compatible alternatives and drop-in replacements for TMP122AIDBVR:
Switch/Digital Sensor, 12 Bit(s), 1.5Cel, Rectangular, 6 Pin, Surface Mount
Switch/Digital Sensor, 12 Bit(s), 1.5Cel, Rectangular, 6 Pin, Surface Mount
Serial Switch/Digital Sensor, 12 Bit(s), 1.5Cel, Rectangular, 6 Pin, Surface Mount
Serial Switch/Digital Sensor, 12 Bit(s), 1.5Cel, Rectangular, 6 Pin, Surface Mount
Frequently Asked Questions
What resolution and accuracy does the TMP122AIDBVR provide for precision temperature monitoring?
The TMP122AIDBVR delivers 12-bit resolution corresponding to 0.0625°C per LSB, with a maximum accuracy of ±1.5°C across the full temperature range. This resolution is sufficient for industrial process monitoring, CPU thermal protection, and battery temperature measurement where 0.1°C increments are meaningful for control algorithms.
How does the TMP122AIDBVR's alert function simplify thermal protection circuit design?
The TMP122AIDBVR includes a programmable alert output that asserts when temperature crosses a set threshold, allowing the microcontroller to respond via interrupt rather than continuous SPI polling. This reduces MCU wakeup frequency in battery-powered designs, and the 12-bit threshold resolution allows setting alert triggers as precise as 0.0625°C increments for tight thermal shutdown protection.
What SPI communication speed and package dimensions does the TMP122AIDBVR offer for embedded system integration?
The TMP122AIDBVR communicates via a standard 4-wire SPI interface in a 6-pin SOT-23 package measuring 2.9 mm x 1.6 mm x 1.45 mm body dimensions. This compact 6-pin package makes it easy to place near heat-generating components on constrained PCBs, and SPI connectivity allows daisy-chaining multiple temperature sensors without consuming additional GPIO lines beyond chip select signals.
How does the TMP122AIDBVR compare to I2C temperature sensors for multi-sensor network designs?
The TMP122AIDBVR uses SPI rather than I2C, which provides faster data rates and avoids the address collision issues that limit I2C temperature sensor networks to typically 8 devices per bus. SPI chip-select lines allow unlimited TMP122AIDBVR sensors per bus, though each sensor requires 1 dedicated CS pin versus the 2-wire I2C approach, making it preferable when sensor count exceeds 4 and SPI bus bandwidth above 400 kHz is needed.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $1.8700 | $18.70 |
| 25+ | $1.7600 | $44.00 |
| 50+ | $1.6800 | $84.00 |
| 500+ | $1.1800 | $590.00 |
| 1000+ | $1.1100 | $1110.00 |
| 10000+ | $1.0500 | $10500.00 |
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