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TC74A0-3.3VCTTRG

Description
IC dgtl therm snsr 3.3V sot23-5
CategoryAnalog mixed-signal IC    The signal circuit   
File Size239KB,18 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Parametric Compare View All

TC74A0-3.3VCTTRG Overview

IC dgtl therm snsr 3.3V sot23-5

TC74A0-3.3VCTTRG Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Parts packaging codeSOT-23A
package instructionLSSOP,
Contacts5
Reach Compliance Codecompliant
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-G5
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals5
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.45 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width1.65 mm
Base Number Matches1
TC74
Tiny Serial Digital Thermal Sensor
Features
• Digital Temperature Sensing in SOT-23-5 or
TO-220 Packages
• Outputs Temperature as an 8-Bit Digital Word
• Simple SMBus/I
2
C™ Serial Port Interface
• Solid-State Temperature Sensing:
- ±2°C (max.) Accuracy from +25°C to +85°C
- ±3°C (max.) Accuracy from 0°C to +125°C
• Supply Voltage of 2.7V to 5.5V
• Low Power:
- 200 µA (typ.) Operating Current
- 5 µA (typ.) Standby Mode Current
General Description
The TC74 is a serially accessible, digital temperature
sensor particularly suited for low cost and small form-
factor applications. Temperature data is converted from
the onboard thermal sensing element and made
available as an 8-bit digital word.
Communication with the TC74 is accomplished via a 2-
wire SMBus/I
2
C compatible serial port. This bus also
can be used to implement multi-drop/multi-zone
monitoring. The SHDN bit in the CONFIG register can
be used to activate the low power Standby mode.
Temperature resolution is 1°C. Conversion rate is a
nominal 8 samples/sec. During normal operation, the
quiescent current is 200 µA (typ). During standby
operation, the quiescent current is 5 µA (typ).
Small size, low installed cost and ease of use make the
TC74 an ideal choice for implementing thermal
management in a variety of systems.
Applications
• Thermal Protection for Hard Disk Drives
and other PC Peripherals
• PC Card Devices for Notebook Computers
• Low Cost Thermostat Controls
• Power Supplies
• Thermistor Replacement
Functional Block Diagram
Package Types
TO-220
SDA
5
TC74
12345
Internal Sensor
(Diode)
SDA
Serial Port
Interface
SCLK
SOT-23
SCLK
4

Modulator
Control
TC74
1
2
GND
3
V
DD
Temperature
Register
Logic
2001-2012 Microchip Technology Inc.
NC
SDA
GND
SCLK
VDD
NC
Note: The TO-220 tab is connected
to pin 3 (GND)
DS21462D-page 1

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Description IC dgtl therm snsr 3.3V sot23-5 IC dgtl therm snsr 5.0V sot23a-5 IC dgtl therm snsr 3.3V sot23a-5 IC dgtl therm snsr 5.0V sot23a-5 IC dgtl therm snsr 3.3V sot23a-5 IC dgtl therm snsr 5.0V sot23a-5
Is it lead-free? Lead free Lead free Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to conform to conform to conform to
Parts packaging code SOT-23A SOT-23A SOT-23A SOT-23A SOT-23A SOT-23A
package instruction LSSOP, LSSOP, LSSOP, LSSOP, SOT-23A, 5 PIN SOT-23A, 5 PIN
Contacts 5 5 5 5 5 5
Reach Compliance Code compliant compliant compliant compliant compliant compliant
Analog Integrated Circuits - Other Types ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT
JESD-30 code R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5
JESD-609 code e3 e3 e3 e3 e3 e3
length 2.9 mm 2.9 mm 2.9 mm 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1
Number of terminals 5 5 5 5 5 5
Maximum operating temperature 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP LSSOP LSSOP LSSOP LSSOP LSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 260 260 260 260 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.45 mm 1.45 mm 1.45 mm 1.45 mm 1.45 mm 1.45 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
Nominal supply voltage (Vsup) 3.3 V 5 V 3.3 V 5 V 3.3 V 5 V
surface mount YES YES YES YES YES YES
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.95 mm 0.95 mm 0.95 mm 0.95 mm 0.95 mm 0.95 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 40 40 40 40 40 40
width 1.65 mm 1.65 mm 1.65 mm 1.65 mm 1.65 mm 1.65 mm
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