Overview
The LM95235QEIMM/NOPB is an advanced digital temperature sensor produced by Texas Instruments. This component is designed to monitor both remote and local temperatures with high accuracy, making it suitable for a variety of applications, particularly in the automotive and electronics sectors. The LM95235-Q1 is AEC-Q100 Grade 3 compliant and manufactured on an Automotive Grade Flow, ensuring reliability and performance in demanding environments. It features TruTherm BJT beta compensation technology, which allows precise monitoring of thermal diodes in modern semiconductor processes.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-Pin VSSOP (DGK) |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage | 3.0 to 3.6 V |
| Supply Current (Conv. Rate = 1 Hz) | 350 µA (typ) |
| Remote Diode Temperature Accuracy | TA = 25°C to 85°C; TD = 60°C to 100°C, ±0.75 °C (max) TA = 25°C to 90°C; TD = 40°C to 125°C, ±1.5 °C (max) |
| Local Temperature Accuracy | TA = 25°C to 100°C, ±2.0 °C (max) |
| Conversion Rate, Both Channels | 16 to 0.4 Hz |
| Converter Resolution | 11-bit |
Key Features
- Remote and Local Temperature Channels
- TruTherm BJT Beta Compensation Technology
- AEC-Q100 Grade 3 Compliant and manufactured on an Automotive Grade Flow
- Diode Model Selection Bit - MMBT3904 or 65/90-nm Processor Diodes
- Two Formats: -128°C to 127.875°C and 0°C to 255.875°C
- Digital Filter for Remote Channel
- Programmable T_CRIT and OS Thresholds
- Programmable Shared Hysteresis Register
- Diode Fault Detection
- Mask, Offset, and Status Registers
- SMBus 2.0 Compatible Interface, Supports TIMEOUT
- Programmable Conversion Rate for Best Power Consumption
- Three-Level Address Pin
- Standby Mode One-Shot Conversion Control
- Pin-for-Pin Compatible With the LM86 and LM89
Applications
- Processor/Computer System Thermal Management (For Example, Laptops, Desktops, Workstations, Servers)
- Electronic Test Equipment and Office Electronics
- Automotive Systems requiring precise temperature monitoring
Q & A
- What is the operating temperature range of the LM95235QEIMM/NOPB?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the LM95235QEIMM/NOPB?
The supply voltage range is 3.0 to 3.6 V.
- What is the typical supply current at a conversion rate of 1 Hz?
The typical supply current at a conversion rate of 1 Hz is 350 µA.
- What is the accuracy of the remote diode temperature measurement?
The accuracy varies depending on the temperature range but is typically ±0.75 °C (max) for TA = 25°C to 85°C; TD = 60°C to 100°C.
- What is the local temperature accuracy?
The local temperature accuracy is ±2.0 °C (max) for TA = 25°C to 100°C.
- What communication interface does the LM95235QEIMM/NOPB use?
The LM95235QEIMM/NOPB uses an SMBus 2.0 compatible interface.
- Can the LM95235QEIMM/NOPB be used in automotive applications?
- What is the resolution of the temperature converter?
The converter resolution is 11-bit.
- Does the LM95235QEIMM/NOPB support multiple address pins?
- Can the conversion rate be programmed for power consumption optimization?
