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參數(shù)資料
| 型號： | TC77-3.3MOA |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Thermal Sensor with SPI Interface |
| 中文描述： | 熱傳感器，SPI接口 |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 374K |
| 代理商： | TC77-3.3MOA |
TC77
DS20092A-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
1.1
Absolute Maximum Ratings
V
DD
........................................................................6.0V
All inputs and outputs w.r.t. V
SS
..... -0.3V to V
DD
+0.3V
Storage temperature ..........................-65°C to +150°C
Ambient temp. with power applied .....-55°C to +125°C
Junction Temperature.........................................150°C
ESD protection on all pins:
Human Body Model (HBM)..............................>4 kV
Machine Model (MM)......................................>200V
Notice:
Stresses above those listed under "Maximum
Ratings" may cause permanent damage to the device. This is
a stress rating only and functional operation 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 rating conditions for extended periods may affect
device reliability.
DC CHARACTERISTICS
PIN FUNCTION TABLE
Name
Function
SI/O
SCK
V
SS
CS
NC
V
DD
Serial Data Pin
Serial Clock
Ground
Chip Select (Active-Low)
No Connection
Power Supply
Electrical Specifications:
Unless otherwise noted, all parameters apply at V
DD
= 2.7V to 5.5V and
T
A
= -55°C to +125°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Power Supply
Operating Voltage Range
Operating Current
V
DD
I
DD
2.7
—
—
250
5.5
400
V
μA
Note 1
Continuous Temperature
Conversion Mode
V
DD
falling or rising edge
Shutdown Mode
Power-On Reset Threshold
Standby Supply Current
V
POR
I
DD-
STANDBY
1.2
—
1.6
0.1
2.2
1.0
V
μA
Temperature to Bits Converter
Resolution
—
13
—
Bits
ADC LSb = 0.0625°C/bit
(Note 4)
Temperature Conversion Time
t
CT
—
300
400
ms
Temperature Accuracy
(
Note 1
)
T
ERR
-1.0
-2.0
-3.0
—
—
—
+1.0
+2.0
+3.0
°C
+25°C < T
A
< +65°C
-40°C < T
A
< +85°C
-55°C < T
A
< +125°C
TC77-3.3MXX: V
DD
= 3.3V
TC77-5.0MXX: V
DD
= 5.0V
Note 1:
The TC77-3.3MXX and TC77-5.0MXX will operate from a supply voltage of 2.7V to 5.5V. However, the tem-
perature accuracy of the TC77-3.3MXX and TC77-5.0MXX is specified at the nominal operating voltages of
3.3V and 5.0V, respectively. As V
DD
varies from the nominal operating value, the accuracy may be
degraded (Refer to Figures 2-6 and 2-7).
2:
All time measurements are measured with respect to the 50% point of the signal.
3:
Load Capacitance, C
L
= 80 pF, is used for AC timing measurements of output signals.
4:
Resolution = Temperature Range/No. of Bits = (+255°C – -256°C) / (2
13
)
Resolution = 512/8192 = 0.0625°C/Bit
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