Overview
The NXP Semiconductors SA56004ATK,118 is an SMBus compatible, 11-bit remote/local digital temperature sensor designed with overtemperature alarms. This component is part of the SA56004X series and is specifically packaged in an 8-pin HVSON (Heat Vision Small Outline Non-leaded) package. It is engineered to accurately sense the temperature of remote microprocessor thermal diodes or diode-connected transistors, as well as local on-chip temperatures. The device is highly versatile and reliable, making it suitable for various server and system monitoring applications.
Key Specifications
| Specification | Value |
|---|---|
| Temperature Range | -40°C to +125°C |
| Resolution | 11-bit, 0.125°C |
| Remote Temperature Accuracy | ±1°C |
| Local Temperature Accuracy | ±2°C |
| Interface | SMBus 2.0 compatible |
| Package Type | 8-pin HVSON |
| Device Addresses | 8 factory-programmed options |
| Alert Outputs | ALERT and T_CRIT |
Key Features
- Accurately senses temperature of remote microprocessor thermal diodes or diode-connected transistors within ±1°C and local on-chip temperatures within ±2°C.
- Temperature range of -40°C to +125°C.
- 11-bit resolution with 0.125°C step size.
- Programmable under/overtemperature alarms: ALERT and T_CRIT outputs.
- SMBus 2.0 compatible interface.
- 8 different device addresses available for server applications.
- Offset registers available for adjusting remote temperature accuracy.
- Pin-compatible with LM86, MAX6657/8, and ADM1032.
Applications
The SA56004ATK,118 is designed for use in various applications requiring precise temperature monitoring, such as:
- Server and data center temperature monitoring.
- System health monitoring in computing systems.
- Industrial automation and control systems.
- Aerospace and automotive systems requiring reliable temperature sensing.
- Telecommunication equipment and network devices.
Q & A
- What is the temperature range of the SA56004ATK,118?
The temperature range is -40°C to +125°C. - What is the resolution of the temperature sensor?
The resolution is 11-bit with a 0.125°C step size. - How accurate is the remote temperature sensing?
The remote temperature accuracy is ±1°C. - What interface does the SA56004ATK,118 use?
The device uses an SMBus 2.0 compatible interface. - What are the alert outputs available on the SA56004ATK,118?
The device has ALERT and T_CRIT outputs for overtemperature alarms. - Is the SA56004ATK,118 pin-compatible with other temperature sensors?
Yes, it is pin-compatible with LM86, MAX6657/8, and ADM1032. - How many device addresses are available for the SA56004ATK,118?
There are 8 factory-programmed device address options. - What package type is the SA56004ATK,118 available in?
The device is available in an 8-pin HVSON package. - Can the remote temperature accuracy be adjusted?
Yes, offset registers are available for adjusting the remote temperature accuracy. - What is the purpose of the T_CRIT output?
The T_CRIT output is activated when the on-chip or remote temperature measurement rises above the programmed T_CRIT threshold, and it can be used to activate a cooling fan, send a warning, or trigger a system shutdown.
