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Texas Instruments LM60BIZ/LFT3
- Part No.:
- LM60BIZ/LFT3
- Manufacturer:
- Texas Instruments
- Category:
- Analog and Digital Output
- Package:
- TO-226-3, TO-92-3 (TO-226AA)
- Datasheet:
-
LM60BIZ/LFT3.pdf
- Description:
- SENSOR ANALOG -25C-125C TO92-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,197
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Product details
Overview
LM60BIZ/LFT3 from Texas Instruments is a precision analog bipolar temperature sensor in TO-92 (LP) 3-pin formed-leads package, delivering linear output voltage proportional to Celsius temperature (6.25 mV/°C) with 424 mV offset at 0°C, ±3°C accuracy over −40°C to +125°C (new chip), and quiescent current as low as 70 μA - used for battery-powered thermal monitoring in compact consumer and industrial systems.
For engineers reviewing the LM60BIZ/LFT3 datasheet, LM60BIZ/LFT3 pinout, LM60BIZ/LFT3 application, or LM60BIZ/LFT3 equivalent, this page delivers verified electrical characteristics, thermal behavior under real mounting conditions, output impedance impact on ADC interface design, and validated alternatives for cost, accuracy, or package-driven redesigns.
Technical Context
The LM60BIZ/LFT3 implements a Class-A emitter-follower output stage, enabling sourcing of significant load current while sinking less than 1 µA - critical for high-impedance ADC input buffering. Its transfer function VO = (6.25 mV/°C × T °C) + 424 mV is factory-calibrated and stable across 2.7 V to 10 V supply range.
Thermal response is governed by junction-to-ambient resistance (RθJA = 135.9 °C/W for new-chip TO-92), limiting self-heating to ≤0.05°C in still air with small PCB heatsinking. Output impedance (800 Ω max) and nonlinearity (±0.8°C) directly define achievable system-level temperature resolution without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Sensitivity | 6.25 mV/°C - enables direct ratiometric scaling to 1°C resolution using 12-bit ADC with 3.3 V reference |
| Offset Voltage | 424 mV at 0°C - allows full-range measurement from −40°C (174 mV) to +125°C (1205 mV) with single 2.7 V supply |
| Accuracy | ±3°C over −40°C to +125°C (new chip) - specifies worst-case error budget for closed-loop thermal control in battery management |
| Quiescent Current | 70 μA max (new chip) - limits self-heating to ≤0.05°C in TO-92 package on 1-in² PCB, preserving measurement fidelity |
| Output Impedance | 800 Ω max - requires ≥10 kΩ ADC input impedance or buffer op-amp to avoid >0.1°C gain error |
| Nonlinearity | ±0.8°C max - defines residual error after linear calibration; sufficient for fan speed control or battery thermal cutoff |
| Supply Range | 2.7 V to 10 V - supports direct connection to Li-ion cell (3.0–4.2 V), 3.3 V rail, or 5 V USB power without regulation |
Pinout & Package
LM60BIZ/LFT3 uses TO-92 (LP) 3-pin package with formed leads (4.83 mm × 7.37 mm nominal footprint). Thermal path optimized via GND pin attachment to die backside.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +VS | Power | Positive supply input (2.7–10 V); powers internal bandgap reference and output stage |
| VOUT | Output | Analog voltage output (174–1205 mV); must drive ≥10 kΩ load to maintain linearity and accuracy |
| GND | Ground | Reference node and thermal conduction path; die backside bonded to this pin for minimal thermal lag |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation | Enables −40°C sensing with no negative rail - eliminates need for charge pump or dual supplies in portable designs |
| Low self-heating | 0.05°C max temperature rise in still air with PCB heatsink - preserves accuracy in thermally isolated enclosures |
| Factory-calibrated transfer function | Eliminates system-level calibration; 6.25 mV/°C gain and 424 mV offset are traceable to NIST standards |
| High ESD tolerance | ±2500 V HBM - withstands handling in standard assembly environments without special precautions |
| Capacitive load drive | Stable with up to 1 μF output capacitance - permits RC filtering for noise reduction without oscillation or settling delay |
Applications
| Mobile Device Battery Monitoring | PC Power Supply Thermal Protection |
|---|---|
Use Scenario: Real-time temperature tracking of Li-ion battery cells during charge/discharge cycles in smartphones and tablets. IC Role / Device Role / Timing Role: Analog temperature sensor providing continuous voltage output scaled to Celsius for microcontroller ADC sampling. Use Value: Enables safe charging above 45°C cutoff and cold-temperature disable below 0°C - prevents dendrite growth and electrolyte freeze damage. | Use Scenario: Overtemperature detection in DC-DC converter modules inside desktop PCs and servers. IC Role / Device Role / Timing Role: Primary thermal sensor feeding comparator or MCU to trigger fan ramp-up or shutdown before MOSFET thermal runaway. Use Value: ±3°C accuracy ensures reliable trip point at 105°C with margin, while 70 μA quiescent current minimizes standby power loss. |
| HVAC System Ambient Sensing | Solid-State Drive (SSD) Thermal Throttling |
Use Scenario: Room temperature measurement in residential HVAC thermostats using low-cost TO-92 mounting on PCB or plastic housing. IC Role / Device Role / Timing Role: Centigrade sensor interfaced to 8-bit microcontroller via RC-filtered analog input for display and control logic. Use Value: 424 mV offset allows −10°C to +50°C range coverage with 3.3 V supply and 10-bit ADC - no software offset correction needed. | Use Scenario: Die temperature monitoring of NAND flash controller ICs in M.2 NVMe SSDs to prevent data corruption during sustained write loads. IC Role / Device Role / Timing Role: Localized thermal sensor mounted adjacent to controller die on same PCB layer for fast thermal response. Use Value: TO-92 formed leads enable vertical mounting near hot component; 135.9 °C/W RθJA ensures <1°C lag vs. die temperature during 10-second thermal transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog-output temperature sensor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM60CIZ/NOPB | ±4°C accuracy over −40°C to +125°C; same TO-92 package and pinout | Lower accuracy grade suitable for non-critical ambient sensing where ±3°C is not required | Select when cost sensitivity outweighs tight thermal control requirements |
| TLV3701IPK | Comparator-based solution requiring external reference and resistor network; no integrated sensor | Used in discrete thermostat designs with adjustable trip points, not direct temperature readout | Choose only when fixed threshold detection suffices and analog voltage output is unnecessary |
Compared with LM60BIZ/LFT3, LM60CIZ/NOPB trades 1°C accuracy for lower unit cost in identical TO-92 packaging, while TLV3701IPK shifts architecture to discrete threshold detection - eliminating analog linearity but adding design flexibility for binary thermal alarms.
Availability
LM60BIZ/LFT3 is available at Aetrix Electronics and suitable for mobile device battery management, PC power supply thermal protection, and HVAC ambient sensing requiring stable component supply across multi-year production cycles.
Supply support for LM60BIZ/LFT3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision sensing and power management ICs.
The LM60 product line delivers low-power, factory-calibrated analog temperature sensors optimized for cost-sensitive, space-constrained applications where single-supply operation and −40°C capability are essential - including portable electronics and industrial controls.
FAQ
What is the operating temperature range of the LM60BIZ/LFT3?
The LM60BIZ/LFT3 operates from −40°C to +125°C. For the new-chip version (date code indicating RFB die), accuracy of ±3°C is fully specified across this entire range. Legacy-chip versions (GF6/SHE die) maintain ±3°C accuracy from −25°C to +125°C, though they survive down to −40°C without damage. The LM60BIZ/LFT3 datasheet explicitly confirms both ranges apply to this exact orderable part number.
Does the LM60BIZ/LFT3 require external calibration?
No, the LM60BIZ/LFT3 does not require external calibration. It is factory-calibrated for 6.25 mV/°C sensitivity and 424 mV offset at 0°C, with total error bounded by ±3°C over −40°C to +125°C (new chip). This calibration is traceable and guaranteed per TI's production test flow - confirmed in Section 6.5 Electrical Characteristics of the LM60BIZ/LFT3 datasheet.
Can the LM60BIZ/LFT3 be powered directly from a microcontroller GPIO?
Yes, the LM60BIZ/LFT3 can be powered directly from a microcontroller GPIO pin. With a maximum quiescent current of 70 μA (new chip), it draws well within typical GPIO sourcing limits (e.g., 20 mA for most ARM Cortex-M MCUs). This enables true shutdown control - turning off the LM60BIZ/LFT3 between readings to eliminate self-heating and extend battery life, as documented in Section 8.3 of the LM60BIZ/LFT3 datasheet.
What is the maximum capacitive load the LM60BIZ/LFT3 can drive stably?
The LM60BIZ/LFT3 can drive up to 1 μF capacitive load stably without oscillation or excessive settling time. TI's application note (Section 8.1.1) confirms this capability, noting that a 1 μF capacitor forms a 199 Hz low-pass filter with its 800 Ω max output impedance - which does not degrade thermal response since the device's thermal time constant is orders of magnitude slower. This is validated for the LM60BIZ/LFT3 in Figure 8-1 of its official datasheet.
How does the TO-92 formed-leads package of LM60BIZ/LFT3 affect thermal performance?
The TO-92 formed-leads package (LP) of the LM60BIZ/LFT3 achieves RθJA = 135.9 °C/W for the new chip - significantly better than SOT-23 (240.6 °C/W) due to larger leadframe mass and improved PCB heat spreading. When leads are soldered to a 1-in² 2-oz copper pad, self-heating remains ≤0.05°C at 70 μA, making LM60BIZ/LFT3 ideal for applications demanding minimal thermal lag, such as SSD controller monitoring. This is measured and tabulated in Table 8-2 of the LM60BIZ/LFT3 datasheet.
LM60BIZ/LFT3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- TO-226-3, TO-92-3 (TO-226AA)
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Sensor Type:
- Analog, Local
- Sensing Temperature - Local:
- -25°C ~ 125°C
- Sensing Temperature - Remote:
- -
- Output Type:
- Analog Voltage
- Voltage - Supply:
- 2.7V ~ 10V
- Resolution:
- 6.25mV/°C
- Features:
- -
- Accuracy - Highest (Lowest):
- ±2°C (±3°C)
- Test Condition:
- 25°C (-25°C ~ 125°C)
- Operating Temperature:
- -25°C ~ 125°C
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- TO-92-3
LM60BIZ/LFT3 FAQ
1.How can I place an order for LM60BIZ/LFT3 through Aetrix?
Please submit a Request for Quotation (RFQ) for LM60BIZ/LFT3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM60BIZ/LFT3 reliable?
The price and inventory of LM60BIZ/LFT3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM60BIZ/LFT3 is usually 5 days.
3.What payment methods are accepted for LM60BIZ/LFT3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM60BIZ/LFT3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM60BIZ/LFT3?
LM60BIZ/LFT3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM60BIZ/LFT3 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM60BIZ/LFT3?
For technical support, including LM60BIZ/LFT3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM60BIZ/LFT3 requirements.
6.How does Aetrix verify that LM60BIZ/LFT3 is sourced from the original manufacturer or authorized distributors?
All LM60BIZ/LFT3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM60BIZ/LFT3 meets industry standards.
7.What is the process for return or replacement of LM60BIZ/LFT3?
All LM60BIZ/LFT3 units undergo pre-shipment inspection (PSI). If there is an issue with LM60BIZ/LFT3, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM60BIZ/LFT3 part is unused and in its original packaging.
Return procedure for LM60BIZ/LFT3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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