Features
| • | Remote and Local temperature channels |
| • | TruTherm BJT beta compensation technology |
| • | LM95235Q is AEC-Q100 Grade 3 compliant and is 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 TCRIT 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/LM89 |
| • | 8-pin MSOP package |
Key Specification
| ■
Supply Voltage
|
3.0 V 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 85°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
|
General Description
The LM95235 is an 11-bit digital temperature sensor with a 2-wire System Management Bus (SMBus) interface and TruTherm technology
that can monitor the temperature of a remote diode as well as its own temperature. More...
Applications
| • | Processor/Computer System Thermal Management |
| • | (e.g. Laptops, Desktops, Workstations, Servers) |
| • | Electronic Test Equipment and Office Electronics |
| |
Typical Application
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| Parameters | Values |
|---|
| Remote Diode Thermal Sensors |
1 |
| Temperature Accuracy (+/-) |
0.75 deg C |
| Supply Min |
3.0 Volt |
| Quiescent Current |
0.350 mA |
| Temperature Min |
25 deg C |
| Temperature Max |
125 deg C |
| Interface Type |
2-Wire Serial |
| Programmable Setpoints |
Yes |
| TruTherm(TM) Beta Compensation |
Yes |
| Resolution |
13 bits |
| Resolution degC/LSB |
0.03125 |
| Supply Max |
3.6 Volt |
| Shut down |
Yes |
| Interrupt Outputs |
2 |
| Fault Queue |
No |
| AEC Q-100 Automotive Grade |
3 |
| Automotive |
Yes |
| PowerWise |
Yes |
Typical Performance
*click for larger image
| |
Also Recommended
| LM95233▲ | Dual Remote Diode Sensor With TruTherm(TM) BJT/Transistor Beta Compensation Technology |
| LM95234▲ | Quad Remote Diode Sensor With TruTherm(TM) BJT/Transistor Beta Compensation Technology |
| LM95245▲ | Single Remote Diode Sensor With 45nm TruTherm(TM) BJT/Transistor Beta Compensation Technology |
Block Diagram
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RoHS Compliance Information
