參數(shù)資料
型號: DS32KHZ
英文描述: 32.768kHz Temperature-Compensated Crystal Oscillator
中文描述: 32.768kHz溫補(bǔ)晶振
文件頁數(shù): 3/10頁
文件大小: 443K
代理商: DS32KHZ
DS32kHz
3 of 10
AC TIMING CHARACTERISTICS
(Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Frequency
f
OUT
32.768
kHz
0°C to +40°C
-40°C to +85°C or
0°C to +70°C
-2.0
+2.0
Frequency Stability vs.
Temperature
f/f
O
-7.5
+7.5
ppm
Duty Cycle
t
W
/t
45
50
55
%
Cycle Time
t
CYC
(Note 8)
30.518
μs
High/Low Time
t
H
/t
L
(Note 8)
15.06
μs
Rise Time
t
R
(Note 8)
200
ns
Fall Time
t
F
(Note 8)
60
ns
Oscillator Startup Time
t
OSC
(Note 8)
V
CC
= 5.0V or
V
BAT
= 3.0V, V
CC
= 0V
(Notes 4, 9)
(Notes 4, 10)
1
s
Frequency Stability vs.
Operating Voltage
f/
V
±2.5
ppm/
V
Crystal Aging
f/f
O
±1.0
ppm/yr
Note 8:
These parameters are measured using a 15pF load.
Note 9:
Error is measured from the nominal supply voltage of whichever supply is powering the device.
Note 10:
After reflow.
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