Overview
The SA56004AD,118 is a digital temperature sensor manufactured by NXP USA Inc. This component is designed for remote and local temperature sensing, making it a versatile solution for various thermal management applications. It is SMBus-compatible and features overtemperature alarms, which can be programmed to trigger system interrupts or alerts. The sensor is available in several package types, including SO8, TSSOP8, and HVSON8, ensuring flexibility in design and implementation.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Range | -40°C to +125°C |
| Resolution | 11-bit, 0.125°C |
| Remote Sensor Accuracy | ±1°C |
| Local Sensor Accuracy | ±2°C |
| Operating Voltage | 3.0 V to 3.6 V |
| Interface | SMBus 2.0 compatible, I2C-bus Standard-mode and Fast-mode |
| Package Types | SO8, TSSOP8, HVSON8 |
| Device Addresses | 8 factory-programmed device address options |
| Conversion Rate | Programmable (0.0625 Hz to 26 Hz) |
| Undervoltage Lockout | Yes, prevents erroneous temperature readings |
Key Features
- SMBus-compatible, 8-pin remote/local digital temperature sensor with overtemperature alarms
- Accurately senses temperature of remote microprocessor thermal diodes or diode-connected transistors within ±1°C
- On-chip local temperature sensing within ±2°C
- Programmable under/overtemperature alarms: ALERT and T_CRIT outputs
- Supports TIMEOUT protocol for enhanced system reliability
- Pin-compatible with LM86, MAX6657/8, and ADM1032
- Offset registers available for adjusting remote temperature accuracy
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
- Q: What is the temperature range of the SA56004AD,118?
A: The temperature range is -40°C to +125°C. - Q: What is the resolution of the temperature sensor?
A: The resolution is 11-bit, with a 0.125°C step size. - Q: How accurate is the remote temperature sensing?
A: The remote sensor accuracy is ±1°C. - Q: What are the available package types for the SA56004AD,118?
A: The available package types are SO8, TSSOP8, and HVSON8. - Q: Is the SA56004AD,118 compatible with other temperature sensors?
A: Yes, it is pin-compatible with LM86, MAX6657/8, and ADM1032. - Q: How can I program the overtemperature alarms?
A: The under/overtemperature alarms (ALERT and T_CRIT outputs) can be programmed using the SMBus interface. - Q: What is the operating voltage range of the SA56004AD,118?
A: The operating voltage range is 3.0 V to 3.6 V. - Q: Does the SA56004AD,118 support I2C-bus protocols?
A: Yes, it supports I2C-bus Standard-mode and Fast-mode. - Q: How many device addresses are available for the SA56004AD,118?
A: There are 8 factory-programmed device address options. - Q: What is the purpose of the T_CRIT output?
A: The T_CRIT output is activated when the on-chip or remote temperature measurement rises above the programmed T_CRIT threshold register value, and it can be used to activate a cooling fan, send a warning, or trigger a system shutdown.
