TC74A3-5.0VAT Microchip Technology, TC74A3-5.0VAT Datasheet - Page 2

• Manufacturer Part Number: TC74A3-5.0VAT
• Description: IC DGTL THERM SNSR 5.0V TO220-5
• Manufacturer: Microchip Technology

Specifications of TC74A3-5.0VAT

• Package / Case: TO-220-5 (Straight Leads)
• Output Type: I²C™/SMBus™
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Full Temp Accuracy: 3 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 8 bit
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Description/function: Tiny Serial Digital Thermal Sensor
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 350 uA
• Ic Output Type: Voltage
• Sensing Accuracy Range: ± 2°C
• Temperature Sensing Range: 0°C To +125°C
• Supply Voltage Range: 2.7V To 5.5V
• Resolution (bits): 8bit
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: TC74A35.0VAT

TC74
1.0
1.1
Supply Voltage (V
Voltage On Any Pin ....... (GND – 0.3V) to (V
Current On Any Pin .......................................... ±50 mA
Operating Temperature (T
Storage Temperature (T
Junction Temperature (T
DC CHARACTERISTICS
DS21462C-page 2
Electrical Specifications: Unless otherwise noted, V
V
Power Supply
Power-on Reset Threshold
Supply Voltage
Operating Current
Standby Supply Current
Temperature-to-Bits Converter
Temperature Accuracy
Conversion Rate
Serial Port Interface
Logic Input High
Logic Input Low
SDA Output Low
Input Capacitance SDA, SCLK
I/O Leakage
Serial Port AC Timing (C
SMBus/I
Low Clock Period
High Clock Period
Note 1: Operating current is an average value integrated over multiple conversion cycles. Transient current may
DD
= 5.0V for TC74AX-5.0VXX, -40°C ≤ T
2: Maximum ensured conversion time after Power-on Reset (POR to DATA_RDY) is 250 msec.
3: Output current should be minimized for best temperature accuracy. Power dissipation within the TC74 will
4: SDA and SCLK must be connected to V
5: V
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings†
2
Parameters
C Clock Frequency
exceed this specification.
cause self-heating and temperature drift error.
properly over the wider power supply range of 2.7V to 5.5V. Each part type is tested and specified for rated
accuracy at its nominal supply voltage. As V
of V
DD
DD
= 3.3V for TC74AX -3.3 VXX. V
DD
change.
) ............................................ +6V
STG
J
)................................ +150°C
A
LOAD
) ........ -40°C ≤ T
) .............. -65°C to +150°C
= 80 pF)
I
DD-STANDBY
V
T
I
t
Sym
f
t
V
LEAK
V
HIGH
C
LOW
I
CR
V
V
SMB
POR
ERR
DD
DD
OL
IH
IL
IN
A
DD
A
≤ +125°C
≤ 125°C. Note 5
DD
+ 0.3V)
0.8 x V
= 5.0V for TC74AX -5.0 VXX. All part types of the TC74 will operate
DD
Min
-2.0
-3.0
-1.0
1.2
2.7
4.7
4.0
—
—
—
—
—
—
—
10
4
or GND.
DD
DD
DD
= 3.3V for TC74AX-3.3VXX and
varies from the nominal value, accuracy will degrade 1°C/V
±2.0
Typ
200
5.0
5.0
0.1
—
—
—
—
—
—
—
—
—
—
—
8
† Notice: Stresses above those listed under "Maxi-
mum Ratings" may cause permanent damage to the
device. This is a stress rating only and functional oper-
ation of the device at those or any other conditions
above those indicated in the operation listings of this
specification is not implied. Exposure to maximum rat-
ing conditions for extended periods may affect device
reliability.
0.2 x V
+2.0
+3.0
Max
350
2.2
5.5
0.4
0.6
1.0
100
10
—
—
—
—
—
—
DD
Units
µsec
µsec
SPS
kHz
µA
°C
pF
µA
µA
V
V
V
V
V
V
 2002 Microchip Technology Inc.
V
Edge
Note 5
V
V
Serial Port Inactive, Note 4
+25°C <T
-40°C < T
Note 2
I
I
10% to 10%
90% to 90%
0°C < T
OL
OL
DD
DD
DD
= 3 mA
= 6 mA, Note 3
Falling Edge or Rising
= 5.5V, Note 1
= 3.3V
A
Conditions
A
A
< +125°C
< +85°C
< 0°C