

Overview
The LMT85LP is a temperature Sensor made by Texas Instruments in a TO-92 package with 3 pins. -50℃~+150℃ 1.8V~5.5V 5.4uA ±2.7℃ TO-92 Temperature Sensors ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TMP236AQDBZTQ1, from EasyEDA) and its footprint (Package_TO_SOT_THT:TO-92L, from KiCad's library), ready for a KiCad board. 530 are in stock at JLCPCB (part C75856). 3 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
12- Supply, least
- 1.8 V · VDD, recommended operating min · p. 5
- Supply, most
- 5.5 V · VDD, recommended operating max · p. 5
- Supply, absolute maximum
- 6 V · VDD, absolute max · p. 5
- Works from
- -50 °C · Ambient operating min · p. 5
- Works up to
- 150 °C · Ambient operating max · p. 5
- Junction, hottest
- 150 °C · Junction temperature absolute max · p. 5
- Takes working
- 5.4 µA · VDD supply current typical, (VDD - VOUT) ≥ 100 mV · p. 6
- Takes at most
- 9 µA · VDD supply current max, -50°C to 150°C, (VDD - VOUT) ≥ 100 mV · p. 6
- A pin gives at most
- 7 mA · OUT source or sink current absolute max · p. 5
- Junction to air (LP/LPM (TO-92))
- 167 K/W · Junction-to-ambient thermal resistance · p. 5
- Junction to case (LP/LPM (TO-92))
- 90 K/W · Junction-to-case (top) thermal resistance · p. 5
- Junction to board (LP/LPM (TO-92))
- 146 K/W · Junction-to-board thermal resistance · p. 5
What it is and has
2- Output
- Push-pull, ±50-µA drive capability · p. 1
- Package
- TO-92, 3 pins, through-hole straight leads, 4.30 mm × 3.50 mm · p. 3
Around it
3- res 3 kΩ
- between OUT and CLOAD; Minimum series resistance for CLOAD of 1.1 nF to 99 nF. · p. 12
- res 1.5 kΩ
- between OUT and CLOAD; Minimum series resistance for CLOAD of 100 nF to 999 nF. · p. 12
- res 800 Ω
- between OUT and CLOAD; Minimum series resistance for CLOAD of 1 uF. · p. 12
Specifications
29| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage | min -0.3 · max 6 V | 5 | |
| Voltage at output pin | Maximum: (VDD + 0.5) V | min -0.3 V | 5 |
| Output current | min -7 · max 7 mA | 5 | |
| Input current at any pin (3) | min -5 · max 5 mA | 5 | |
| Maximum junction temperature (TJMAX) TJMAX | max 150 °C | 5 | |
| Storage temperature, Tstg Tstg | min -65 · max 150 °C | 5 | |
| Electrostatic discharge V(ESD) | LMT85LP in TO-92/TO-92S package; Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) (2); rated ±2500 V | max 2500 V | 5 |
| Electrostatic discharge V(ESD) | LMT85LP in TO-92/TO-92S package; Charged-device model (CDM), per JEDEC specification JESD22-C101 (3); rated ±1000 V | max 1000 V | 5 |
| Specified temperature | TA | min -50 · max 150 °C | 5 |
| Supply voltage (VDD) VDD | min 1.8 · max 5.5 V | 5 | |
| Junction-to-ambient thermal resistance (3) (4) RθJA | LMT85LP; LP/LPM (TO-92); 3 PINS | typ 167 °C/W | 5 |
| Junction-to-case (top) thermal resistance RθJC(top) | LMT85LP; LP/LPM (TO-92); 3 PINS | typ 90 °C/W | 5 |
| Junction-to-board thermal resistance RθJB | LMT85LP; LP/LPM (TO-92); 3 PINS | typ 146 °C/W | 5 |
| Junction-to-top characterization parameter ψJT | LMT85LP; LP/LPM (TO-92); 3 PINS | typ 35 °C/W | 5 |
| Junction-to-board characterization parameter ψJB | LMT85LP; LP/LPM (TO-92); 3 PINS | typ 146 °C/W | 5 |
| Temperature accuracy (3) | TA = TJ= 20°C to 150°C; VDD = 1.8 V to 5.5 V; typical ±0.4°C; excludes DC load regulation | min -2.7 · typ 0.4 · max 2.7 °C | 6 |
| Temperature accuracy (3) | TA = TJ= 0°C to 150°C; VDD = 1.9 V to 5.5 V; typical ±0.7°C; excludes DC load regulation | min -2.7 · typ 0.7 · max 2.7 °C | 6 |
| Temperature accuracy (3) | TA = TJ= 0°C to 150°C; VDD = 2.6 V to 5.5 V; typical ±0.3°C; excludes DC load regulation | typ 0.3 °C | 6 |
| Temperature accuracy (3) | TA = TJ= –50°C to 0°C; VDD = 2.3 V to 5.5 V; typical ±0.7°C; excludes DC load regulation | min -2.7 · typ 0.7 · max 2.7 °C | 6 |
| Temperature accuracy (3) | TA = TJ= –50°C to 0°C; VDD = 2.9 V to 5.5 V; typical ±0.25°C; excludes DC load regulation | typ 0.25 °C | 6 |
| Average sensor gain (output transfer function slope) | –30°C and 90°C used to calculate average sensor gain; VDD = +1.8V to +5.5V | typ -8.2 mV/°C | 6 |
| Load regulation (3) | Source ≤ 50 uA, (VDD - VOUT) ≥ 200 mV; VDD = +1.8V to +5.5V | min -1 · typ -0.22 mV | 6 |
| Load regulation (3) | Sink ≤ 50 uA, VOUT ≥ 200 mV; VDD = +1.8V to +5.5V | typ 0.26 · max 1 mV | 6 |
| Line regulation | VDD = +1.8V to +5.5V; excludes output voltage shift | typ 200 uV/V | 6 |
| Supply current IS | TA = TJ = 30°C to 150°C, (VDD - VOUT) ≥ 100 mV; VDD = +1.8V to +5.5V | typ 5.4 · max 8.1 uA | 6 |
| Supply current IS | TA = TJ = -50°C to 150°C, (VDD - VOUT) ≥ 100 mV; VDD = +1.8V to +5.5V | typ 5.4 · max 9 uA | 6 |
| Output load capacitance CL | VDD = +1.8V to +5.5V | typ 1100 pF | 6 |
| Power-on time (5) | CL= 0 pF to 1100 pF; VDD = +1.8V to +5.5V | typ 0.7 · max 1.9 ms | 6 |
| Output drive | TA = TJ = 25°C; VDD = +1.8V to +5.5V | min -50 · max 50 uA | 6 |
Pins, by the datasheet
3- 1 VDD
- Positive Supply Voltage · p. 4
- 2 OUT
- Analog output voltage inversely proportional to temperature. · p. 4
- 3 GND
- Power Supply Ground · p. 4
Ordering codes, by the datasheet
16- LMT85DCKR
- SC70 (DCK) · 5 pins; 3000, LARGE T&R · p. 17
- LMT85DCKR.A
- SC70 (DCK) · 5 pins; 3000, LARGE T&R · p. 17
- LMT85DCKR.B
- SC70 (DCK) · 5 pins; 3000, LARGE T&R · p. 17
- LMT85DCKT
- SC70 (DCK) · 5 pins; obsolete · p. 17
- LMT85LP
- TO-92 (LP) · 3 pins; straight leads; 1800, LARGE T&R · p. 17
- LMT85LP.A
- TO-92 (LP) · 3 pins; 1800, LARGE T&R · p. 17
- LMT85LP.B
- TO-92 (LP) · 3 pins; 1800, LARGE T&R · p. 17
- LMT85LPG
- TO-92 (LPG) · 3 pins; 1000, BULK · p. 17
- LMT85LPG.A
- TO-92 (LPG) · 3 pins; 1000, BULK · p. 17
- LMT85LPG.B
- TO-92 (LPG) · 3 pins; 1000, BULK · p. 17
- LMT85LPGM
- TO-92 (LPG) · 3 pins; 3000, AMMO · p. 17
- LMT85LPGM.A
- TO-92 (LPG) · 3 pins; 3000, AMMO · p. 17
- LMT85LPGM.B
- TO-92 (LPG) · 3 pins; 3000, AMMO · p. 17
- LMT85LPM
- TO-92 (LP) · 3 pins; formed leads; 2000, LARGE T&R · p. 17
- LMT85LPM.A
- TO-92 (LP) · 3 pins; 2000, LARGE T&R · p. 17
- LMT85LPM.B
- TO-92 (LP) · 3 pins; 2000, LARGE T&R · p. 17
Parameters
14- Current - Supply
- 5.4uA
- Current - Supply(Max)
- 9uA
- Detection Temperature Range
- -50℃~+150℃
- Features
- Low-power standby
- Junction Temperature(Max)
- 150℃
- Operating Temperature
- -50℃~+150℃
- Output Current per Pin(Max)
- 7mA
- Standby Current
- 5.4uA
- Thermal Resistance(Junction to Ambient)
- 167℃/W
- Thermal Resistance(Junction to Board)
- 146℃/W
- Thermal Resistance(Junction to Case)
- 90℃/W
- Tolerance
- ±2.7℃
- Voltage - Supply
- 1.8V~5.5V
- Voltage - Supply(Absolute Max)
- 6V
Order codes
1- LMT85LPLCSC C75856
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | VDD | Unspecified |
| 2 | VOUT | Unspecified |
| 3 | GND | Unspecified |
Open-source boards using it
All 3- 2 layers88 × 85 mm

- 2 layers161.4 × 88 mm

- 2 layers111.2 × 170.7 mm

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Is there a KiCad symbol and footprint for the LMT85LP?
Yes. The symbol is EasyEDA_Cloud:TMP236AQDBZTQ1 and the footprint Package_TO_SOT_THT:TO-92L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LMT85LP?
TO-92, with 3 pins. Its footprint is drawn on this page.
Where is the LMT85LP datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LMT85LP?
JLCPCB lists it as part C75856, with 530 in stock; the sellers' links on this page open their listings.
What can replace the LMT85LP?
Parts like it in the library: the DS18B20+ by Maxim Integrated (Analog Devices), the LM35DZ/NOPB by Texas Instruments, the MY18B20LD10 by Mysentech and the MY18E20 by Mysentech. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LMT85LP?
3 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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