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TMP468AIYFFR
±0.75⁰C High-Accuracy Multi-channel Remote and Local Temperature Sensor
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Manufacturer:
Texas Instruments
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Mfr.Part #:
TMP468AIYFFR
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Datasheet:
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Output Type:
Digital
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Configuration:
Local, Remote
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Accuracy:
+/- 0.75 C
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Supply Voltage - Min:
1.7 V
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EDA/CAD Models:
Availability: 6331 PCS
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TMP468AIYFFR General Description
The TMP468 device is a multi-zone, high-accuracy, low-power temperature sensor using a two-wire, SMBus or I2C compatible interface. Up to eight remote diode-connected temperature zones can be monitored simultaneously in addition to the local temperature. Aggregating the temperature measurements across a system allows improved performance through tighter guard bands and can reduce board complexity. A typical use case is for monitoring the temperature across different processors, such as MCUs, GPUs, and FPGAs in complex systems such as servers and telecommunications equipment. Advanced features such as series resistance cancellation, programmable non-ideality factor, programmable offset, and programmable temperature limits are included to provide a robust thermal monitoring solution with improved accuracy and noise immunity.
Each of the eight remote channels (and the local channel) can be programmed independently with two thresholds that are triggered when the corresponding temperature is exceeded at the measured location. In addition, there is a programmable hysteresis setting to avoid constant toggling around the threshold.
The TMP468 device provides high accuracy (0.75°C) and high resolution (0.0625°C) measurement capabilities. The device supports low voltage rails (1.7 V to 3.6 V), common two-wire interfaces, and is available in a small, space efficient package (3 mm × 3 mm or 1.6 mm × 1.6 mm) for easy integration into computing systems. The remote junction supports a temperature range from –55°C to +150°C.
Key Features
- 8-Channel Remote Diode Temperature Sensor Accuracy: ±0.75°C (Maximum)
- Local and Remote Diode Accuracy: ±0.75°C (Maximum)
- Local Temperature Sensor Accuracy for the DSBGA Package: ±0.35°C (Maximum)
- Temperature Resolution: 0.0625°C
- Supply and Logic Voltage Range: 1.7 V to 3.6 V
- 67-µA Operating Current (1 SPS, All Channels Active)
- 0.3-µA Shutdown Current
- Remote Diode: Series Resistance Cancellation,
η-Factor Correction, Offset Correction, and Diode Fault Detection - Register Lock Function Secures Key Registers
- I2C or SMBus™ Compatible Two-Wire Interface With Pin-Programmable Address
- 16-Bump DSBGA and 16-Pin VQFN Packages
Specifications
Product Category | Board Mount Temperature Sensors | Output Type | Digital |
Configuration | Local, Remote | Accuracy | +/- 0.75 C |
Supply Voltage - Min | 1.7 V | Supply Voltage - Max | 3.6 V |
Interface Type | 2-Wire, I2C, SMBus | Resolution | 13 bit |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature | + 125 C |
Shutdown | Shutdown | Mounting Style | SMD/SMT |
Operating Supply Current | 240 uA, 400 uA | Output Current | 6 mA |
Product | Temperature Sensors | Product Type | Temperature Sensor ICs |
Series | TMP468 | Factory Pack Quantity | 3000 |
Subcategory | Sensors | Type | Temperature Sensor |
Unit Weight | 0.000106 oz |
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Availability: 6331 PCS
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