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LM60BIM3 Temperature Sensor Equivalent & Substitute Parts
Part Overview
The LM60BIM3 is an analog temperature sensor manufactured by Texas Instruments, designed for local temperature measurement across the -25°C to 125°C range with 6.25mV/°C resolution. The device is packaged in SOT-23-3 (TO-236-3, SC-59) surface mount configuration and operates from a 2.7V to 10V supply voltage.
The LM60BIM3 carries a "Not For New Designs" product status and is RoHS non-compliant. Identifying equivalent and substitute parts is necessary for applications requiring active production support, improved compliance certifications, or extended temperature operating ranges.
Substiute Parts
Key Parameters
| Parameter | LM60BIM3 Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Sensor Type | Analog, Local |
| Sensing Temperature Range | -25°C ~ 125°C |
| Output Type | Analog Voltage |
| Supply Voltage | 2.7V ~ 10V |
| Resolution | 6.25mV/°C |
| Accuracy | ±2°C (±3°C at -25°C ~ 125°C) |
| Package / Case | SOT-23-3 (TO-236-3, SC-59) |
| Mounting Type | Surface Mount |
| Product Status | Not For New Designs |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the LM60BIM3 are qualified based on the following criteria:
Mechanical Compatibility: All substitute parts must use the SOT-23-3 surface mount package to ensure direct PCB footprint compatibility.
Electrical Compatibility: Substitute parts must operate within overlapping temperature ranges and maintain analog voltage output. The LM60BIM3 operates from -25°C to 125°C; substitutes with extended lower temperature ranges (-40°C) remain compatible for applications within the original -25°C to 125°C window.
Resolution and Accuracy: While resolution (mV/°C) and accuracy specifications may vary among substitutes, all qualified parts maintain ±2°C to ±3°C accuracy performance suitable for general-purpose temperature sensing applications.
Supply Voltage: Substitute parts must support overlapping supply voltage ranges. The LM60BIM3 operates from 2.7V to 10V; substitutes with narrower ranges (such as 2.3V to 5.5V or 2.5V to 5.5V) remain compatible in typical 3.3V and 5V system designs.
Compliance and Status: Substitutes with Active product status and RoHS3 compliance are preferred for new designs and production continuity.
Parameter Comparison
| Part Number | Manufacturer | Temperature Range | Supply Voltage | Resolution | Accuracy | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|
| LM60BIM3 | Texas Instruments | -25°C ~ 125°C | 2.7V ~ 10V | 6.25mV/°C | ±2°C (±3°C) | SOT-23-3 | Not For New Designs | RoHS non-compliant |
| LM60BIM3/NOPB | Texas Instruments | -25°C ~ 125°C | 2.7V ~ 10V | 6.25mV/°C | ±2°C (±3°C) | SOT-23-3 | Obsolete | ROHS3 Compliant |
| TC1046VNBTR | Microchip Technology | -40°C ~ 125°C | 2.7V ~ 4.4V | 6.25mV/°C | ±2°C (±3°C) | SOT-23-3 | Active | ROHS3 Compliant |
| TC1047AVNBTR | Microchip Technology | -40°C ~ 125°C | 2.5V ~ 5.5V | 10mV/°C | ±2°C (±3°C) | SOT-23-3 | Active | ROHS3 Compliant |
| TC1047VNBTR | Microchip Technology | -40°C ~ 125°C | 2.7V ~ 4.4V | 10mV/°C | ±2°C (±3°C) | SOT-23-3 | Active | ROHS3 Compliant |
| MCP9700AT-E/TT | Microchip Technology | -40°C ~ 125°C | 2.3V ~ 5.5V | 10mV/°C | ±2°C (-2°C, +4°C) | SOT-23-3 | Active | ROHS3 Compliant |
| MCP9700T-E/TT | Microchip Technology | -40°C ~ 125°C | 2.3V ~ 5.5V | 10mV/°C | ±2°C (-4°C, +6°C) | SOT-23-3 | Active | ROHS3 Compliant |
| MCP9701AT-E/TT | Microchip Technology | -10°C ~ 125°C | 3.1V ~ 5.5V | 19.5mV/°C | ±2°C (-2°C, +4°C) | SOT-23-3 | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Replacement (Identical Specifications): TC1046VNBTR is the closest functional equivalent to LM60BIM3, offering identical 6.25mV/°C resolution and ±2°C to ±3°C accuracy. It extends the lower operating temperature to -40°C and carries Active product status with ROHS3 compliance. Supply voltage range is narrower (2.7V ~ 4.4V) but remains compatible with standard 3.3V designs.
Higher Resolution Alternatives: TC1047AVNBTR, TC1047VNBTR, MCP9700AT-E/TT, and MCP9700T-E/TT provide 10mV/°C resolution, offering improved temperature measurement granularity. These parts maintain ±2°C to ±3°C accuracy and extend operating range to -40°C. All carry Active status and ROHS3 compliance.
Extended Supply Voltage Range: MCP9700AT-E/TT supports the widest supply voltage range (2.3V ~ 5.5V) among substitutes, suitable for low-power and battery-operated applications. It maintains 10mV/°C resolution and Active product status.
Compliance Transition: LM60BIM3/NOPB provides an intermediate option with ROHS3 compliance while maintaining identical electrical specifications to LM60BIM3. However, Obsolete product status limits long-term availability.
All substitute parts maintain SOT-23-3 package compatibility and analog voltage output, ensuring direct functional substitution within the specified electrical operating parameters.
Frequently Asked Questions (FAQ)
Q: Can TC1046VNBTR directly replace LM60BIM3 in existing designs? A: Yes. TC1046VNBTR maintains identical 6.25mV/°C resolution, ±2°C to ±3°C accuracy, and SOT-23-3 package. The narrower supply voltage range (2.7V ~ 4.4V versus 2.7V ~ 10V) is compatible with standard 3.3V and 5V systems. Extended temperature range (-40°C ~ 125°C) provides additional operational margin.
Q: What is the difference between MCP9700AT-E/TT and MCP9700T-E/TT? A: Both parts share identical specifications except for accuracy at temperature extremes. MCP9700AT-E/TT specifies ±2°C (-2°C, +4°C) accuracy, while MCP9700T-E/TT specifies ±2°C (-4°C, +6°C). Both operate -40°C ~ 125°C with 10mV/°C resolution and 2.3V ~ 5.5V supply voltage.
Q: Why does MCP9701AT-E/TT have a narrower temperature range (-10°C ~ 125°C)? A: MCP9701AT-E/TT is specified for -10°C to 125°C sensing range but operates from -40°C to 125°C. The sensing specification reflects the calibrated accuracy window. This part offers the highest resolution (19.5mV/°C) among substitutes, suitable for applications requiring finer temperature discrimination within the -10°C to 125°C band.
Q: Are all substitute parts RoHS3 compliant? A: All listed substitute parts carry ROHS3 Compliant status. LM60BIM3 is RoHS non-compliant; LM60BIM3/NOPB is ROHS3 compliant but Obsolete. For new production, select from Active status parts: TC1046VNBTR, TC1047AVNBTR, TC1047VNBTR, MCP9700AT-E/TT, MCP9700T-E/TT, or MCP9701AT-E/TT.
Q: Do all substitutes use the same SOT-23-3 package? A: Yes. All listed parts use SOT-23-3 (TO-236-3, SC-59) surface mount package, ensuring PCB footprint compatibility without layout modifications.
Q: What supply voltage should I use for MCP9701AT-E/TT? A: MCP9701AT-E/TT requires 3.1V ~ 5.5V supply voltage. It is not compatible with 2.7V or 3.0V systems. Verify your system supply voltage before selection.
Q: Which substitute offers the best low-temperature performance? A: TC1046VNBTR, TC1047AVNBTR, TC1047VNBTR, MCP9700AT-E/TT, and MCP9700T-E/TT all extend operation to -40°C, compared to LM60BIM3's -25°C minimum. For applications requiring operation below -25°C, any of these five parts are suitable.
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