参数资料
型号: RTC-7301SFB
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO24
封装: SSOP-24
文件页数: 27/28页
文件大小: 274K
代理商: RTC-7301SFB
RTC - 7301 SF / DG
Page - 5
MQ332-05
5-6. Temperature sensor characteristics
*
Unless specified otherwise :
GND=0 V , VDD=1.6 V to 5.5 V , Ta=
40 °C to +85 °C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Temperature
output voltage
VTEMP
Ta= +25 °C , GND based output voltage
VTEMP pins, VDD=2.7 V to 5.5 V
1.470
V
Output precision
TACR
Ta =+25 °C , VDD=2.7 V to 5.5 V
± 5.0
°C
Temperature
sensitivity
VSE
40 °C ≤ Ta ≤ +85 °C , VDD=2.7 V to 5.5V
7.3
7.8
8.3
mV/°C
Linearity
NL
40 °C ≤ Ta ≤ +85 °C , VDD=2.7 V to 5.5V
± 2.0
%
Temperature
detection range
TSOP
NL ≤ ± 2.0 % , VDD=2.7 V to 5.5V
40
+ 85
°C
Output resistance
RO
Ta= +25 °C, VTEMP pins, VDD=2.7 V to 5.5V
GND standard and VDD standard
1.0
3.0
k
CL
VDD=2.7 V to 5.5V
100
pF
Load condition
RL
VDD=2.7 V to 5.5V
500
k
Response time
tRSP
VDD=3.3 V
CL=50 pF , RL=500 k
, Max. ± 1°C
200
s
Note1) Temperature
sensitivity
VSE = ( V (+85
°C) V ( 40 °C) ) / 125
[mV/
°C]
a
a: Maximum deviation between the measure value of VTEMP
and the approximated straight line.
Note 2)
Linearity
NL =
b
× 100
[%]
b: Difference between measured values at -40 °C and +85 °C
VTEMP
0
Measured Value
40
+85
Approximated
Straight Line
Temperature
Output
Voltage
[
°C]
[ V ]
Ta
a
b
a
V (
40 °C )
V(+85
°C )
Note 3) Output
resistance
(Ro)
Ro
=
V1 /
Ι1
OP.AMP.
RTC
V1
Ι
1
VTEMP
1 M
Note) There is no temperature sensor function on the RTC-7301DG.
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