±5ppm, I2C Real-Time Clock with SRAM 7 Maxim Integrated Typical Operatin" />
參數(shù)資料
型號(hào): DS3232MZ+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 21/23頁(yè)
文件大?。?/td> 0K
描述: IC RTC W/SRAM I2C 8SOIC
標(biāo)準(zhǔn)包裝: 100
類型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,閏年,方波輸出,SRAM
存儲(chǔ)容量: 236B
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 2.3 V ~ 4.5 V
電壓 - 電源,電池: 2.3 V ~ 4.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
DS3232M
±5ppm, I2C Real-Time Clock with SRAM
7
Maxim Integrated
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
1Hz FREQUENCY ERROR
(MEASURED EVERY SECOND)
DS3232M
toc07
TIME (SECONDS)
FREQUENCY
ERROR
(ppm)
-8
-6
-4
-2
0
2
4
6
8
10
-10
030
25
20
15
10
5
VCC = 3.3V,
TA = +25°C
1Hz FREQUENCY ERROR
(MEASURED EVERY SECOND)
DS3232M
toc08
TIME (MINUTES)
FREQUENCY
ERROR
(ppm)
-8
-6
-4
-2
0
2
4
6
8
10
-10
030
25
20
15
10
5
VCC = 3.3V,
TA = +25°C
1Hz FREQUENCY ERROR
(DELTA FROM T0)
DS3232M
toc09
TIME (MINUTES)
FREQUENCY
ERROR
(ppm)
030
25
20
15
10
5
VCC = 3.3V,
TA = +25°C
-4
-3
-2
-1
0
1
2
3
4
5
-5
1Hz FREQUENCY ERROR
(10s THERMAL UPDATES
MEASURED EVERY SECOND)
DS3232M
toc10
TIME (SECONDS)
FREQUENCY
ERROR
(ppm)
-8
-6
-4
-2
0
2
4
6
8
10
-10
030
25
20
15
10
5
VBAT = 3.3V,
VCC = 0V,
TA = +25°C
1Hz FREQUENCY ERROR
(1s THERMAL UPDATES
MEASURED EVERY SECOND)
DS3232M
toc11
TIME (SECONDS)
FREQUENCY
ERROR
(ppm)
-8
-6
-4
-2
0
2
4
6
8
10
-10
030
25
20
15
10
5
VBAT = 3.3V,
VCC = 0V,
TA = +25°C
TIMEKEEPING ACCURACY
vs. TEMPERATURE
DS3232M
toc12
TEMPERATURE (°C)
FREQUENCY
EROR
(ppm)
80
60
40
20
0
-20
-150
-100
-50
0
50
-200
-40
TYPICAL 20ppm
CRYSTAL,
UNCOMPENSATED
DS3232M ACCURACY
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