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LM75BIMX-3+ データシート(PDF) 1 Page - Maxim Integrated Products

部品番号 LM75BIMX-3+
部品情報  Digital Temperature Sensor and Thermal Watchdog with 2-Wire Interface
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メーカー  MAXIM [Maxim Integrated Products]
ホームページ  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

LM75BIMX-3+ データシート(HTML) 1 Page - Maxim Integrated Products

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General Description
The LM75 temperature sensor includes a delta-sigma
analog-to-digital converter, and a digital overtempera-
ture detector. The host can query the LM75 through its
I2C interface to read temperature at any time. The
open-drain overtemperature output (OS) sinks current
when the programmable temperature limit is exceeded.
The OS output operates in either of two modes, com-
parator or interrupt. The host controls the temperature
at which the alarm is asserted (TOS) and the hysteresis
temperature below which the alarm condition is not
valid (THYST). Also, the LM75’s TOS and THYST regis-
ters can be read by the host. The address of the LM75
is set with three pins to allow multiple devices to work
on the same bus. Power-up is in comparator mode, with
defaults of TOS = +80°C and THYST = +75°C. The 3.0V
to 5.5V supply voltage range, low supply current, and
I2C interface make the LM75 ideal for many applica-
tions in thermal management and protection.
Applications
Thermal System Management
Thermal Protection
Test Equipment
Computers and Office Electronics
Features
o SO (SOP) and µMAX® (µSOP) Packages
o I2C Bus Interface
o Separate Open-Drain OS Output Operates as
Interrupt or Comparator/Thermostat Input
o Register Readback Capability
o Power-Up Defaults Permit Stand-Alone Operation
as a Thermostat
o 3.0V to 5.5V Supply Voltage
o Low Operating Supply Current 250µA (typ), 1mA
(max)
o 4µA (typ) Shutdown Mode Minimizes Power
Consumption
o Up to Eight LM75s Can Be Connected to a Single
Bus
o Pin- and/or Register-Compatible with Improved-
Performance Maxim Sensors Including MAX7500,
MAX6625, MAX6626, DS75LV, and DS7505
Digital Temperature Sensor and Thermal
Watchdog with 2-Wire Interface
________________________________________________________________
Maxim Integrated Products
1
Functional Diagram
Ordering Information/Selector Guide
19-4385; Rev 0; 3/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Note:
Devices are specified over the -55°C to +125°C temperature range and include I2C noise filter.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
PART
PIN-PACKAGE
PKG
SUPPLY VOLTAGE (V)
TOP MARK
LM75BIM-3+
8 SO (SOP)
Bulk
3.3
LM75BIM-3
LM75BIMX-3+
8 SO (SOP)
T&R
3.3
LM75BIM-3
LM75BIMM-3+
8 µMAX (µSOP)
Bulk
3.3
T01B
LM75BIMMX-3+
8 µMAX (µSOP)
T&R
3.3
T01B
LM75BIM-5+
8 SO (SOP)
Bulk
5.0
LM75BIM-5
LM75BIMX-5+
8 SO (SOP)
T&R
5.0
LM75BIM-5
LM75BIMM-5+
8 µMAX (µSOP)
Bulk
5.0
T00B
LM75BIMMX-5+
8 µMAX (µSOP)
T&R
5.0
T00B
OS
SDA
SCL
A0
A1
A2
+VS = 3.0V to 5.5V
SILICON
BANDGAP
TEMPERATURE
SENSOR
9-BIT DELTA-
SIGMA ADC
CONFIGURATION
REGISTER
TOS SET POINT
REGISTER
THYST SET
POINT REGISTER
SET POINT
COMPARATOR W/
HYSTERESIS
2-WIRE INTERFACE
POINTER
REGISTER
88
16
16
16
16
16
8
3
1
2
4
7
6
5
1
+
2
3
4
8
7
6
5
+VS
A0
A1
A2
GND
OS
SCL
SDA
LM75
μMAX (μSOP), SO
TOP VIEW
Pin Configuration


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