参数资料
| 型号： | DS3231SN#T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/20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： | 1,000 |
| 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： | 带卷 (TR) |
Extremely Accurate I2C-Integrated
RTC/TCXO/Crystal
Maxim Integrated
3
DS3231
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 2.3V to 5.5V, VCC = Active Supply (see Table 1), TA = TMIN to TMAX, unless otherwise noted.) (Typical values are at VCC =
3.3V, VBAT = 3.0V, and TA = +25°C, unless otherwise noted.) (Notes 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Frequency
fOUT
VCC = 3.3V or VBAT = 3.3V
32.768
kHz
0°C to +40°C
±2
Frequency Stability vs.
Temperature (Commercial)
f/fOUT
VCC = 3.3V or
VBAT = 3.3V,
aging offset = 00h
>40°C to +70°C
±3.5
ppm
-40°C to <0°C
±3.5
0°C to +40°C
±2
Frequency Stability vs.
Temperature (Industrial)
f/fOUT
VCC = 3.3V or
VBAT = 3.3V,
aging offset = 00h
>40°C to +85°C
±3.5
ppm
Frequency Stability vs. Voltage
f/V
1
ppm/V
-40°C
0.7
+25°C
0.1
+70°C
0.4
Trim Register Frequency
Sensitivity per LSB
f/LSB
Specified at:
+85°C
0.8
ppm
Temperature Accuracy
Temp
VCC = 3.3V or VBAT = 3.3V
-3
+3
°C
First year
±1.0
Crystal Aging
f/fO
After reflow,
not production tested
0–10 years
±5.0
ppm
ELECTRICAL CHARACTERISTICS
(VCC = 0V, VBAT = 2.3V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VBAT = 3.63V
70
Active Battery Current
IBATA
EOSC = 0, BBSQW = 0,
SCL = 400kHz (Note 5)
VBAT = 5.5V
150
μA
VBAT = 3.63V
0.84
3.0
Timekeeping Battery Current
IBATT
EOSC = 0, BBSQW = 0,
EN32kHz = 1,
SCL = SDA = 0V or
SCL = SDA = VBAT (Note 5) VBAT = 5.5V
1.0
3.5
μA
VBAT = 3.63V
575
Temperature Conversion Current
IBATTC
EOSC = 0, BBSQW = 0,
SCL = SDA = 0V or
SCL = SDA = VBAT
VBAT = 5.5V
650
μA
Data-Retention Current
IBATTDR
EOSC = 1, SCL = SDA = 0V, +25°C
100
nA
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| DS3232-3+ | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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