Overview
The TMP421AIDCNTG4, produced by Texas Instruments, is a remote and local temperature sensor integrated into a single device. This component is part of the TMP421 series, which includes the TMP421, TMP422, and TMP423 models. The TMP421AIDCNTG4 is designed to measure both local and remote temperatures with high accuracy, making it suitable for various industrial and consumer electronics applications. It features a two-wire/SMBus serial interface and is available in SOT23-8 and DSBGA (WCSP) packages.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SOT23-8, DSBGA (WCSP) |
| Operating Temperature Range | -40°C to +125°C |
| Storage Temperature Range | -60°C to +130°C |
| Junction Temperature (TJ max) | +150°C |
| Supply Voltage (V+) | 2.7V to 5.5V |
| Remote Temperature Accuracy | ±1°C |
| Local Temperature Accuracy | ±1.5°C |
| SMBus Interface | Two-wire/SMBus serial interface |
| ESD Rating | Human Body Model (HBM): 3000 V, Charged Device Model (CDM): 1000 V, Machine Model (MM): 200 V |
Key Features
- Remote temperature measurement with ±1°C accuracy and local temperature measurement with ±1.5°C accuracy.
- Series resistance cancellation and programmable non-ideality factor for improved accuracy.
- Wide remote temperature measurement range up to +150°C.
- Diode fault detection for reliability.
- Two-wire/SMBus serial interface with multiple interface addresses.
- Available in SOT23-8 and DSBGA (WCSP) packages.
- RoHS compliant and free of Sb/Br.
Applications
- Processor/FPGA temperature monitoring.
- LCD/DLP/LCOS projectors.
- Servers and data centers.
- Central office telecom equipment.
- Storage Area Networks (SAN).
Q & A
- What is the TMP421AIDCNTG4 used for?
The TMP421AIDCNTG4 is used for remote and local temperature sensing in various electronic devices.
- What are the available packages for the TMP421AIDCNTG4?
The TMP421AIDCNTG4 is available in SOT23-8 and DSBGA (WCSP) packages.
- What is the operating temperature range of the TMP421AIDCNTG4?
The operating temperature range is -40°C to +125°C.
- How accurate is the remote temperature measurement of the TMP421AIDCNTG4?
The remote temperature measurement accuracy is ±1°C.
- Does the TMP421AIDCNTG4 support SMBus interface?
Yes, it supports a two-wire/SMBus serial interface.
- What is the maximum junction temperature for the TMP421AIDCNTG4?
The maximum junction temperature is +150°C.
- Is the TMP421AIDCNTG4 RoHS compliant?
Yes, it is RoHS compliant and free of Sb/Br.
- What are some common applications of the TMP421AIDCNTG4?
Common applications include processor/FPGA temperature monitoring, LCD/DLP/LCOS projectors, servers, central office telecom equipment, and Storage Area Networks (SAN).
- How does the TMP421AIDCNTG4 handle series resistance?
The TMP421AIDCNTG4 includes series resistance cancellation for improved accuracy.
- Does the TMP421AIDCNTG4 have diode fault detection?
Yes, it includes diode fault detection for reliability.
