参数资料
型号: DS3231SN#
厂商: Maxim Integrated Products
文件页数: 18/20页
文件大小: 0K
描述: IC RTC W/TCXO 16-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 时钟/日历
特点: 警报器,闰年,方波输出,TCXO/晶体
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: I²C,2 线串口
电源电压: 2.3 V ~ 5.5 V
电压 - 电源,电池: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 管件
产品目录页面: 1434 (CN2011-ZH PDF)
Typical Operating Characteristics
(VCC = +3.3V, TA = +25°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
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
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 (
°C)
I BAT
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 (
°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 (
°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
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