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參數(shù)資料
| 型號： | TC77-5.0MCTTR |
| 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)： | 3/22頁 |
| 文件大?。?/td> | 374K |
| 代理商： | TC77-5.0MCTTR |
2002 Microchip Technology Inc.
DS20092A-page 3
TC77
Digital Input/Output
High Level Input Voltage
V
IH
0.7 V
DD
—
V
DD
+ 0.3
V
Low Level Input Voltage
V
IL
-0.3
—
0.3 V
DD
V
High Level Output Voltage
V
OH
2.4
—
—
V
I
OH
= -400 μA
Low Level Output Voltage
V
OL
—
—
0.4
V
I
OL
= +2 mA
Input Current
I
IN(0),
I
IN(1)
-1.0
-1.0
—
—
+1.0
+1.0
μA
V
IN
= GND
V
IN
= V
DD
Input Hysteresis
0.35
0.8
—
V
SI/O, SCK
Pin Capacitance
C
IN
, C
OUT
—
20
—
pF
Tri-state Output Leakage
Current
I
O_LEAK
-1.0
—
—
—
—
+1.0
μA
V
O
= GND
V
O
= V
DD
Serial Port AC Timing (Notes 2, 3)
Clock Frequency
f
CLK
DC
—
7.0
MHz
CS Fall to First Rising SCK
Edge
t
CS-SCK
100
—
—
ns
CS Low to Data Out Delay
t
CS-SI/O
—
—
70
ns
SCK Fall to Data Out Delay
t
DO
—
—
100
ns
CS High to Data Out
Tri-state
t
DIS
—
—
200
ns
SCK High to Data In Hold Time
t
HD
50
—
—
ns
Data In Set-up Time
t
SU
30
—
—
ns
Thermal Package Resistance
Thermal Resistance, SOT23-5
θ
JA
—
230
—
°C/W
Thermal Resistance, 8L-SOIC
θ
JA
—
163
—
°C/W
DC CHARACTERISTICS (CONTINUED)
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
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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