LM75A Temperature Sensor Breakout Board

SKU: BB2V10000003

The Boardoza LM75ADP is a temperature to digital converter using an on-chip band gap temperature sensor and Sigma-delta A to D conversion technique. The device is also a thermal detector providing an overtemperature detection output.

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Key Features Technical Specifications Board Pinout

Key Features

Pin-for-pin replacement for industry standard LM75 and offers improved temperature resolution of 0.125 °C and specification of a single part over power supply range from 2.8 V to 5.5 V.
I2C-bus interface with up to 8 devices on the same bus.
11-bit ADC that offers a temperature resolution of 0.125 °C.
Temperature accuracy of: ±2 °C from −25 °C to +100 °C , ±3 °C from 55 °C to +125 °C.
Programmable temperature threshold and hysteresis set points.
Supply current of 3.5 µA in shutdown mode for power conservation.
Stand-alone operation as thermostat at power-up.
ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V.
MM per JESD22-A115 and 1000 V CDM per JESD22-C101.
Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA.
Selectable I2C Address.

Technical Specifications

Item	LM75A
Input Voltage	5V
Functions	Digital temperature sensor and thermal watchdog.
Working Voltage	2.8V to 5.5V
Operating Temperature	– 40°C to +125°
Board Dimensions	20 x 20 mm
I2C Voltage Level	3.3V and 5V

Board Pinout

PIN Number	PIN Name	Description
1	OS	Overtemp Shutdown output; open-drain
2	SCL	Digital input. I2C-bus serial clock input
3	SDA	Digital I/O. I2C-bus serial bidirectional data line; open-drain
4	GND	Ground
5	VCC	Power supply ( 5VDC & 3V3DC )

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