(VCC = +3.3V, TA
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鍨嬭櫉锛� DS3231SN#
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩(sh霉)锛� 18/20闋�
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鎻忚堪锛� IC RTC W/TCXO 16-SOIC
鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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椤炲瀷锛� 鏅傞悩/鏃ユ
鐗归粸锛� 璀﹀牨鍣紝闁忓勾锛屾柟娉㈣几鍑猴紝TCXO/鏅堕珨
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鏁�(sh霉)鎿�(j霉)鏍煎紡锛� YY-MM-DD-dd
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闆绘簮闆诲锛� 2.3 V ~ 5.5 V
闆诲 - 闆绘簮锛岄浕姹狅細 2.3 V ~ 5.5 V
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渚涙噳鍟嗚ō鍌欏皝瑁濓細 16-SOIC W
鍖呰锛� 绠′欢
鐢�(ch菐n)鍝佺洰閷勯爜闈細 1434 (CN2011-ZH PDF)
Typical Operating Characteristics
(VCC = +3.3V, TA = +25掳C, unless otherwise noted.)
Extremely Accurate I2C-Integrated
RTC/TCXO/Crystal
Maxim Integrated
7
DS3231
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3231
toc01
VCC (V)
I CCS
(渭
A)
5.0
4.5
4.0
3.5
3.0
2.5
25
50
75
100
125
150
0
2.0
5.5
RST ACTIVE
BSY = 0, SCL = SDA = VCC
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3231
toc02
VBAT (V)
I BAT
(渭
A)
5.3
4.3
3.3
0.7
0.8
0.9
1.0
1.1
1.2
0.6
2.3
VCC = 0V, BSY = 0,
SDA = SCL = VBAT OR VCC
EN32kHz = 1
EN32kHz = 0
SUPPLY CURRENT
vs. TEMPERATURE
DS3231
toc03
TEMPERATURE (
掳C)
I BAT
(渭
A)
60
35
10
-15
0.7
0.8
0.9
1.0
0.6
-40
85
VCC = 0, EN32kHz = 1, BSY = 0,
SDA = SCL = VBAT OR GND
FREQUENCY DEVIATION
vs. TEMPERATURE vs. AGING VALUE
DS3231
toc04
TEMPERATURE (
掳C)
FREQUENCY
DEVIATION
(ppm)
60
35
10
-15
-30
-20
-10
0
10
20
30
40
50
60
-40
85
127
32
0
-33
-128
DELTA TIME AND FREQUENCY
vs. TEMPERATURE
TEMPERATURE (
掳C)
DELTA
FREQUENCY
(ppm)
DELTA
TIME
(MIN/YEAR)
80
70
50 60
-10 0 10 20 30 40
-30 -20
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
20
-200
-80
-60
-40
-20
0
-100
-40
DS3231 toc05
CRYSTAL
+20ppm
CRYSTAL
-20ppm
TYPICAL CRYSTAL,
UNCOMPENSATED
DS3231
ACCURACY
BAND
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
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鍙冩暩(sh霉)鎻忚堪
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