參數(shù)資料
型號: M41T82RQA6F
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, QCC16
封裝: 4 X 4 MM, ROHS COMPLIANT, QFN-16
文件頁數(shù): 25/58頁
文件大?。?/td> 462K
代理商: M41T82RQA6F
M41T82 M41T83
Clock operation
Figure 17.
Crystal accuracy across temperature
Table 7.
Analog calibration values
Addr
Analog
calibration
value
D7
D6
D5
D4
D3
D2
D1
D0
CXI,
CXO
CLOAD
(1)
1.
CLOAD = 1/(1/CXI + 1/CXO)
ACS
(±)
AC6
(16pF)
AC5
(8pF)
AC4
(4pF)
AC3
(2pF)
AC2
(1pF)
AC1
(0.5pF)
AC0
(0.25pF)
(CXI, CXO)
12h
0pF
x
0
25pF
12.5pF
3pF
0
1
0
28pF
14pF
5pF
0
1
0
1
0
30pF
15pF
–7pF
1
0
1
0
18pF
9pF
9.75pF(2))
2.
Maximum negative calibration value
0
1
0
1
34.75pF
17.4pF
–18pF(3)
3.
Maximum positive calibration value
1
0
1
0
7pF
3.5pF
AI07888
–160
0
10203040506070
Frequency (ppm)
Temperature
°C
80
–10
–20
–30
–40
–100
–120
–140
–40
–60
–80
20
0
–20
= –0.036 ppm/
°C
2 ± 0.006 ppm/°C2
K
ΔF
= K x (T – T
O)
2
F
T
O = 25°C ± 5°C
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