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LM75BGD

Description
DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT
CategoryThe sensor    Sensor/transducer   
File Size139KB,29 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Environmental Compliance
Download Datasheet Parametric Compare View All

LM75BGD Overview

DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT

LM75BGD Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerNXP
package instruction3 X 2 MM, 0.5 MM HEIGHT, PLASTIC, SOP-8
Reach Compliance Codecompli
Maximum accuracy (Celsius)3 Cel
body width2 mm
body height0.5 mm
Body length or diameter3 mm
shellPLASTIC
JESD-609 codee4
Installation featuresSURFACE MOUNT
Number of digits11
Number of terminals8
Maximum working current5 mA
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Output interface type2-WIRE INTERFACE
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeSOLCC8,.12,20
Package Shape/FormRECTANGULAR
power supply3/5 V
Sensor/Transducer TypeTEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage5.5 V
Minimum supply voltage2.8 V
surface mountYES
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Termination typeSOLDER
LM75B
Digital temperature sensor and thermal watchdog
Rev. 02 — 9 December 2008
Product data sheet
1. General description
The LM75B is a temperature-to-digital converter using an on-chip band gap temperature
sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection
output. The LM75B contains a number of data registers: Configuration register (Conf) to
store the device settings such as device operation mode, OS operation mode, OS polarity
and OS fault queue as described in
Section 7 “Functional description”;
temperature
register (Temp) to store the digital temp reading, and set-point registers (Tos and Thyst) to
store programmable overtemperature shutdown and hysteresis limits, that can be
communicated by a controller via the 2-wire serial I
2
C-bus interface. The device also
includes an open-drain output (OS) which becomes active when the temperature exceeds
the programmed limits. There are three selectable logic address pins so that eight devices
can be connected on the same bus without address conflict.
The LM75B can be configured for different operation conditions. It can be set in normal
mode to periodically monitor the ambient temperature, or in shutdown mode to minimize
power consumption. The OS output operates in either of two selectable modes:
OS comparator mode or OS interrupt mode. Its active state can be selected as either
HIGH or LOW. The fault queue that defines the number of consecutive faults in order to
activate the OS output is programmable as well as the set-point limits.
The temperature register always stores an 11-bit 2's complement data giving a
temperature resolution of 0.125
°C.
This high temperature resolution is particularly useful
in applications of measuring precisely the thermal drift or runaway. When the LM75B is
accessed the conversion in process is not interrupted (i.e., the I
2
C-bus section is totally
independent of the Sigma-Delta converter section) and accessing the LM75B
continuously without waiting at least one conversion time between communications will
not prevent the device from updating the Temp register with a new conversion result. The
new conversion result will be available immediately after the Temp register is updated.
The LM75B powers up in the normal operation mode with the OS in comparator mode,
temperature threshold of 80
°C
and hysteresis of 75
°C,
so that it can be used as a
stand-alone thermostat with those pre-defined temperature set points.
2. Features
I
Pin-for-pin replacement for industry standard LM75 and LM75A 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
I
I
2
C-bus interface with up to 8 devices on the same bus
I
Power supply range from 2.8 V to 5.5 V
I
Temperatures range from
−55 °C
to +125
°C

LM75BGD Related Products

LM75BGD LM75B LM75BDP LM75BD
Description DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT
Is it Rohs certified? conform to - conform to conform to
Maker NXP - NXP NXP
package instruction 3 X 2 MM, 0.5 MM HEIGHT, PLASTIC, SOP-8 - TSSOP8,.19 SOP8,.25
Reach Compliance Code compli - compli compli
Maximum accuracy (Celsius) 3 Cel - 3 Cel 3 Cel
body width 2 mm - 3 mm 3.9 mm
body height 0.5 mm - 1.1 mm 1.75 mm
Body length or diameter 3 mm - 3 mm 4.9 mm
shell PLASTIC - PLASTIC PLASTIC
JESD-609 code e4 - e4 e4
Installation features SURFACE MOUNT - SURFACE MOUNT SURFACE MOUNT
Number of digits 11 - 11 11
Number of terminals 8 - 8 8
Maximum working current 5 mA - 5 mA 5 mA
Maximum operating temperature 125 °C - 125 °C 125 °C
Minimum operating temperature -55 °C - -55 °C -55 °C
Output interface type 2-WIRE INTERFACE - 2-WIRE INTERFACE 2-WIRE INTERFACE
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY
Encapsulate equivalent code SOLCC8,.12,20 - TSSOP8,.19 SOP8,.25
Package Shape/Form RECTANGULAR - SQUARE RECTANGULAR
power supply 3/5 V - 3/5 V 3/5 V
Sensor/Transducer Type TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL - TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage 5.5 V - 5.5 V 5.5 V
Minimum supply voltage 2.8 V - 2.8 V 2.8 V
surface mount YES - YES YES
Terminal surface Nickel/Palladium/Gold (Ni/Pd/Au) - Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Termination type SOLDER - SOLDER SOLDER
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