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| 型号： | DS75LXS+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/13页 |
| 文件大小： | 228K |
| 描述： | IC THERMOMETER/STAT DIG 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | ±3°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： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS75LX: Digital Thermometer and Thermostat with Extended Addressing
3 of 13
SCL Frequency
f
SCL
400
kHz
AC ELECTRICAL CHARACTERISTICS (continued)
(1.7V d V
DD
d 3.7V, T
A
= -55癈 to +125癈.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Bus Free Time Between
a STOP and START
Condition
t
BUF
(Note 7)
1.3
祍
START and Repeated
START Hold Time from
Falling SCL
t
HD:STA
(Notes 7, 8)
600
ns
Low Period of SCL
t
LOW
(Note 7)
1.3
祍
High Period of SCL
t
HIGH
(Note 7)
0.6
祍
Repeated START
Condition Setup Time to
Rising SCL
t
SU:STA
(Note 7)
600
ns
Data-Out Hold Time from
Falling SCL
t
HD:DAT
(Notes 7, 9)
0
0.9
祍
Data-In Setup Time to
Rising SCL
t
SU:DAT
(Note 7)
100
ns
Rise Time of SDA and
SCL (Receive)
t
R
(Notes 7, 10)
20 +
0.1C
B
B
300
ns
Fall Time of SDA and
SCL (Receive)
t
F
(Notes 7, 10)
20 +
0.1C
B
B
300
ns
Spike Suppression
Filter Time (Deglitch
Filter)
t
SS
0
50
ns
STOP Setup Time to
Rising SCL
t
SU:STO
(Note 7)
600
ns
Capacitive Load for Each
Bus Line
C
B
B
400
pF
Input Capacitance
C
I
5
pF
Serial Interface Reset
Time
t
TIMEOUT
SDA time low
(Notes 11, 12)
75
325
ms
Note 1:
V
DD
must be decoupled with a high-quality 0.1礔 bypass capacitor. X5R or X7R ceramic surface-mount capacitors are
recommended.
Note 2:
Internal heating caused by O.S. loading causes the DS75LX to read approximately 0.5癈 higher if O.S. is sinking the max
rated current.
Note 3:
All voltages are referenced to ground.
Note 4:
I
DD
specified with O.S. pin open and A0A2 pins grounded.
Note 5:
I
DD
and address leakage specified with V
DD
at 3.0V and SDA, SCL = 3.0V at 0癈 to +70癈.
Note 6:
Address pins A0, A1, A2 are directly connected to V
DD
, V
SS
, or floating with less than 50pF capacitive load.
Note 7:
See the timing diagram (Figure 1). All timing is referenced to 0.9 x V
DD
and 0.1 x V
DD
.
Note 8:
After this period, the first clock pulse is generated.
Note 9:
The DS75LX provides an internal hold time of at least 75ns on the SDA signal to bridge the undefined region of SCL's falling
edge.
Note 10: For example, if C
B
= 300pF, then t
R
[min] = t
F
[min] = 50ns.
Note 11: This timeout applies only when the DS75LX is holding SDA low. Other devices can hold SDA low indefinitely and the DS75LX
will not reset.
Note 12: The DS75LX is available with timeout feature disabled upon special order. Contact Factory.
PIN DESCRIPTION
PIN
NAME
FUNCTION
1
SDA
Data Input/Output for 2-Wire Serial Communication Port (Open Drain)
2
SCL
Clock Input for 2-Wire Serial Communication Port
3
O.S.
Thermostat Output Open Drain
4
GND
Ground
5
A
2
Address Input
6
A
1
Address Input
7
A
0
Address Input
8
V
DD
Supply Voltage. +1.7V to +3.7V supply pin. V
DD
must have an external bypass
capacitor to GND. 0.1礔 X5R or X7R ceramic SMT caps recommended.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS75LXU | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat with Extended Addressing |
| DS75LXU+ | 功能描述:板上安装温度传感器 w/Extended Addressing 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 |
| DS75LXU+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8PIN UMAX - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8-UMAX |
| DS75LXU+T&R | 功能描述:板上安装温度传感器 w/Extended Addressing 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 |
| DS75LXUR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat with Extended Addressing |
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