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LM75BD

NXP SemiconductorsExtended

-55℃~+125℃ 10ms 11bit 1uA 2.8V~5.5V I2C ±2℃ SOIC-8 Temperature Sensors ROHS

Part id
nxp/LM75BD
Category
Temperature Sensors
Package
SOIC-8
Pins
8
In stock
365 at JLCPCB (C34565)
Used on
3 open-source boards

Overview

The LM75BD is a temperature Sensor made by NXP Semiconductors in a SOIC-8 package with 8 pins. -55℃~+125℃ 10ms 11bit 1uA 2.8V~5.5V I2C ±2℃ SOIC-8 Temperature Sensors ROHS.

PCBKit's library has its KiCad symbol (Sensor_Temperature:LM75B, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 365 are in stock at JLCPCB (part C34565). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

SDA1SCL2O.S.3GND4A25A16A07+Vs8
Sensor_Temperature:LM75BFrom KiCad's library

Footprint

12345678
Package_SO:SOIC-8_3.9x4.9mm_P1.27mmFrom KiCad's library

From the datasheet

10
Supply, least
2.8 V · VCC, recommended operating min · p. 19
Supply, most
5.5 V · VCC, recommended operating max · p. 19
Supply, absolute maximum
6 V · VCC, absolute max · p. 19
Works from
-55 °C · ambient temperature min · p. 19
Works up to
125 °C · ambient temperature max · p. 19
Junction, hottest
150 °C · junction temperature absolute max · p. 19
Takes working
100 µA · typical average supply current, normal mode, I2C-bus inactive · p. 20
Takes at most
300 µA · max average supply current, normal mode, I2C-bus active at 400 kHz · p. 20
Takes asleep
200 nA · typical shutdown supply current · p. 20
A pin gives at most
10 mA · OS output sink current absolute max · p. 19

What it is and has

7
ADC
11-bit, temperature resolution 0.125 °C · p. 2
I2C-bus
Up to 8 devices on the same bus · p. 1
Temperature accuracy
±2 °C from −25 °C to +100 °C · p. 2
Temperature accuracy
±3 °C from −55 °C to +125 °C · p. 2
Thermal watchdog
Programmable temperature threshold and hysteresis set points · p. 2
Thermostat
Stand-alone operation at power-up · p. 2
Package
SO8, 8 leads, body width 3.9 mm, SOT96-1 · p. 3

Around it

2
cap 0.1 μF
between VCC and GND; Supply decoupling capacitor shown in the typical application; use at the VCC pin. · p. 16
res 10 kΩ
between SCL and VCC; I2C-bus pull-up resistor in the typical application. · p. 16

Specifications

29
ParameterConditionsAs printedPage
supply voltage VCCmin -0.3 · max 6 V19
input voltage VIat input pinsmin -0.3 · max 6 V19
input current IIat input pinsmin -5 · max 5 mA19
output sink current IO(sink)on pin OSmax 10 mA19
output voltage VOon pin OSmin -0.3 · max 6 V19
storage temperature Tstgmin -65 · max 150 C19
junction temperature Tjmax 150 C19
supply voltage VCCmin 2.8 · max 5.5 V19
ambient temperature Tambmin -55 · max 125 C19
temperature accuracy TaccVCC = 2.8 V to 5.5 V; Tamb = 25 C to +100 Cmin -2 · max 2 C20
temperature accuracy TaccVCC = 2.8 V to 5.5 V; Tamb = 55 C to +125 Cmin -3 · max 3 C20
temperature resolution Tres11-bit digital temp data; typical at VCC = 3.3 V and Tamb = 25 Ctyp 0.125 C20
temperature conversion time tconv(T)normal mode; typical at VCC = 3.3 V and Tamb = 25 Ctyp 10 ms20
conversion period Tconvnormal mode; typical at VCC = 3.3 V and Tamb = 25 Ctyp 100 ms20
average supply current IDD(AV)normal mode: I2C-bus inactive; VCC = 2.8 V to 5.5 V; Tamb = 55 C to +125 C; typical at VCC = 3.3 V and Tamb = 25 Ctyp 100 · max 200 A20
average supply current IDD(AV)normal mode: I2C-bus active; fSCL = 400 kHz; VCC = 2.8 V to 5.5 V; Tamb = 55 C to +125 Cmax 300 A20
average supply current IDD(AV)shutdown mode; VCC = 2.8 V to 5.5 V; Tamb = 55 C to +125 C; typical at VCC = 3.3 V and Tamb = 25 Ctyp 0.2 · max 1 A20
LOW-level input voltage VILdigital pins; maximum = 0.3  VCCmin -0.3 V20
hysteresis of input voltage VI(hys)SCL and SDA pins; typical at VCC = 3.3 V and Tamb = 25 Ctyp 300 mV20
hysteresis of input voltage VI(hys)A2, A1, A0 pins; typical at VCC = 3.3 V and Tamb = 25 Ctyp 150 mV20
HIGH-level input current IIHdigital pins; VI = VCCmin -1 · max 1 A20
LOW-level input current IILdigital pins; VI = 0 Vmin -1 · max 1 A20
LOW-level output voltage VOLSDA and OS pins; IOL = 3 mAmax 0.4 V20
LOW-level output voltage VOLSDA and OS pins; IOL = 4 mAmax 0.8 V20
output leakage current ILOSDA and OS pins; VOH = VCCmax 10 A20
number of faults Nfaultprogrammable; conversions in overtemperature-shutdown fault queuemin 1 · max 620
overtemperature shutdown threshold temperature Tth(ots)default valuetyp 80 C20
hysteresis temperature Thysdefault valuetyp 75 C20
input capacitance Cidigital pins; typical at VCC = 3.3 V and Tamb = 25 Ctyp 20 pF20

Pins, by the datasheet

8
1 SDA
I2C-bus serial bidirectional data line; open-drain. · p. 5
2 SCL
I2C-bus serial clock input. · p. 5
3 OS
Overtemperature Shutdown output; open-drain. · p. 5
4 GND
Connect to system ground. · p. 5
5 A2
User-defined address bit 2. · p. 5
6 A1
User-defined address bit 1. · p. 5
7 A0
User-defined address bit 0. · p. 5
8 VCC
Power supply. · p. 5

Ordering codes, by the datasheet

2
LM75BD,112
SO8 · Standard marking, IC tube, DSC bulk pack; minimum order quantity 2000; ambient −55 °C to +125 °C. · p. 3
LM75BD,118
SO8 · 13-inch reel Q1/T1, standard mark SMD; minimum order quantity 2500; ambient −55 °C to +125 °C. · p. 3

Open-source boards using it

3
  • 2 layers60 × 60 mmHighPower Mechaduino, the printed circuit board in 3D

    HighPower Mechaduino

    pointhi/HighPower-Mechaduino

    Mechaduino derivative which drives up to 10A, drawn using KiCad

    140 parts31
  • 4 layers144 × 127 mmFrothfet, the printed circuit board in 3D

    Frothfet

    hoeken/frothfet

    Yarrboard load controller board with current sense, volt sense, fuses, and sender support.

    394 parts14GPL-3.0
  • 4 layers100 × 50 mmChronolog, the printed circuit board in 3D

    Chronolog

    slemanz/chronolog

    STM32-based temperature data logger with RTC, NOR flash storage, LCD and Wi-Fi. Hardware and firmware.

    95 parts5

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the LM75BD?

Yes. The symbol is Sensor_Temperature:LM75B and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM75BD?

SOIC-8, with 8 pins. Its footprint is drawn on this page.

Where is the LM75BD datasheet?

NXP Semiconductors publishes it: the Datasheet link on this page opens it.

Where can I order the LM75BD?

JLCPCB lists it as part C34565, with 365 in stock; the sellers' links on this page open their listings.

What can replace the LM75BD?

Parts like it in the library: the DS18B20Z by UMW, the LM75AIMX by Texas Instruments, the LM75AD by NXP Semiconductors and the LM75BD(UMW) by UMW. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the LM75BD?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.