Overview
The NXP Semiconductors SA56004AD,112 is an SMBus compatible, 11-bit remote/local digital temperature sensor with over-temperature alarms. This device is part of the SA56004X family and is designed to accurately sense temperatures in various electronic systems. It is particularly useful for system thermal management and is compatible with several industry-standard devices.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Resolution | 11-bit, 0.125°C |
| Temperature Range | -40°C to +125°C |
| Local Temperature Accuracy | ±2°C |
| Remote Temperature Accuracy | ±1°C |
| Operating Voltage | 3.0 V to 3.6 V |
| Interface Compatibility | SMBus 2.0, I2C-bus Standard-mode and Fast-mode |
| Package Options | SO8, TSSOP8, HVSON8 |
| Device Addresses | 8 factory-programmed device address options |
| Conversion Rate | Programmable (0.0625 Hz to 26 Hz) |
| Undervoltage Lockout | Prevents erroneous temperature readings |
Key Features
- Accurately senses temperature of remote microprocessor thermal diodes or diode-connected transistors within ±1°C and local temperature within ±2°C.
- Programmable under/overtemperature alarms: ALERT and T_CRIT.
- Offset registers available for adjusting the remote temperature accuracy.
- SMBus 2.0 compatible interface with TIMEOUT support.
- Pin-compatible with LM86, MAX6657/8, and ADM1032.
- Programmable conversion rate (0.0625 Hz to 26 Hz).
- Undervoltage lockout to prevent erroneous temperature readings.
Applications
- System thermal management in laptops, desktops, servers, and workstations.
- Computers and office electronic equipment.
- Electronic test equipment and instrumentation.
- HVAC systems.
- Industrial controllers and embedded systems.
Q & A
- What is the temperature resolution of the SA56004AD,112?
The temperature resolution is 11-bit, with a resolution of 0.125°C. - What is the operating voltage range of the SA56004AD,112?
The operating voltage range is 3.0 V to 3.6 V. - Is the SA56004AD,112 compatible with other industry-standard devices?
Yes, it is pin-compatible with LM86, MAX6657/8, and ADM1032. - What are the package options available for the SA56004AD,112?
The device is available in SO8, TSSOP8, and HVSON8 packages. - Can the conversion rate of the SA56004AD,112 be programmed?
Yes, the conversion rate is programmable from 0.0625 Hz to 26 Hz. - What is the purpose of the undervoltage lockout feature?
The undervoltage lockout prevents erroneous temperature readings. - How many device addresses are available for the SA56004AD,112?
There are 8 factory-programmed device address options available. - What interfaces does the SA56004AD,112 support?
The device supports SMBus 2.0 and I2C-bus Standard-mode and Fast-mode. - What are some common applications of the SA56004AD,112?
Common applications include system thermal management in laptops, desktops, servers, and workstations, as well as in HVAC systems and industrial controllers. - Does the SA56004AD,112 have programmable temperature alarms?
Yes, it has programmable under/overtemperature alarms: ALERT and T_CRIT.
