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参数资料
| 型号： | DS7505U+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/14页 |
| 文件大小： | 197K |
| 描述： | IC DGTL THERMOMETER 2WIRE 8-USOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC（三角积分型），比较器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 1.7 V ~ 3.7 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
Digital Thermometer and Thermostat
_______________________________________________________________________________________ 3
Note 1: All voltages are referenced to ground.
Note 2: Internal heating caused by O.S. loading causes the DS7505 to read approximately 0.5?/SPAN>C higher if O.S. is sinking the
max-rated current.
Note 3: Specified in 12-bit conversion mode. Quantization error must be considered when converting in lower resolutions.
Note 4: I
DD
specified with O.S. pin open.
Note 5: I
DD
specified with V
DD
at 3.0V and SDA, SCL = 3.0V, T
A
= -55癈 to +85癈.
Note 6: I
DD
specified with A0, A1, A2 = 0V or V
DD
.
Note 7: V
DD
must be > 2.0V.
Note 8: E
2
Copy occurs at +25癈.
Note 9: See the timing diagram (Figure 1). All timing is referenced to 0.9 x V
DD
and 0.1 x V
DD
.
Note 10: After this period, the first clock pulse is generated.
Note 11: The DS7505 provides an internal hold time of at least 75ns on the SDA signal to bridge the undefined region of SCLs
falling edge.
Note 12: For example, if C
B
= 300pF, then t
R(MIN)
= t
F(MIN)
= 50ns.
Note 13: This timeout applies only when the DS7505 is holding SDA low. Other devices can hold SDA low indefinitely and the
DS7505 does not reset.
AC ELECTRICAL CHARACTERISTICS (continued)
(1.7V d V
DD
d 3.7V, T
A
= -55癈 to +125癈, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Data Retention
t
EEDR
-40癈 to +125癈 (Note 8)
10
Years
Bus Free Time Between a STOP
and START Condition
t
BUF
(Note 9)
1.3
約
START and Repeated START
Hold Time from Falling SCL
t
HD:STA
(Notes 9, 10)
600
ns
Low Period of SCL
t
LOW
(Note 9)
1.3
約
High Period of SCL
t
HIGH
(Note 9)
0.6
約
Repeated START Condition
Setup Time to Rising SCL
t
SU:STA
(Note 9)
600
ns
Data-Out Hold Time from Falling
SCL
t
HD:DAT
(Notes 9, 11)
0
0.9
約
Data-In Setup Time to Rising
t
SU:DAT
(Note 9)
100
ns
Rise Time of SDA and SCL
(Receive)
t
R
(Notes 9, 12)
20 +
0.1C
B
300
ns
Fall Time of SDA and SCL
(Receive)
t
F
(Notes 9, 12)
20 +
0.1C
B
300
ns
Spike Suppression Filter Time
(Deglitch Filter)
t
SS
0
50
ns
STOP Setup Time to Rising SCL
t
SU:STO
(Note 9)
600
ns
Capacitive Load for Each Bus
Line
C
B
400
pF
Input Capacitance
C
I
5
pF
Serial Interface Reset Time
t
TIMEOUT
SDA time low (Note 13)
75
325
ms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS7505U+ | 功能描述:板上安装温度传感器 Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS7505U+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL THERMOMETER AND THERMOSTAT 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DGTL THERMOMETER 2WIRE 8-USOP 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Thermometer & Thermostat |
| DS7505U+T&R | 功能描述:板上安装温度传感器 Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS7505UR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat |
| DS7505UT | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat |
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