2/11
[1] The maximum rating
Item
Symbol
Rating
1 Storage temperature range
T̲stg
-55〜+125℃
2 Maximum drive level
DL max.
0.5 μW max.
[2] Recommended Operating Condition
Item
Symbol
Rating
1 Operating temperature range
T̲use
-40〜+85℃
2 Drive level
DL
0.1 μW typ.
[3] Electrical-Characteristics
Measurement temperature :25±2℃
Item
Symbol
Specifications
1 Nominal frequency
f̲nom
32.768 kHz
2 Frequency tolerance
f̲tol
± 20 × 10
-6
3 Load capacitance
C
L
12.5 pF
4 Motional resistance
R
1
90 kΩ max.
Measured with ATI 4192A
Impedance analyzer
OSC LEVEL = 0.1V
5 Motional capacitance
C
1
6 fF typ.
6 Shunt capacitance
C
0
1.3 pF typ.
Measured with ATI 4192A
Impedance analyzer
OSC LEVEL = 0.1V
7 Turnover temperature
Ti
25 ± 5℃
Measure this coefficient at 3 points
of 10℃、25℃、40℃ using
8 Parabolic coefficient
B
(-3±1) × 10
-8
/℃
2
C-MOS circuit
9 Frequency aging
f̲age
± 3 × 10
-6
/year
25±3℃、
First year
10 Insulation resistance
IR
500 MΩ min.
Measured with ATI 4329A
Insulation Resistance Meter
Apply DC100V
Conditions
Note
Note