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| 型号： | MAX7504MUA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/13页 |
| 文件大小： | 710K |
| 描述： | IC TEMP SENSOR DIGIT 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 温度监视系统（传感器），监视器 |
| 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），寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 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-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
_______________________________________________________________________________________ 3
Note 4:
All parameters are measured at +25癈. Values over the temperature range are guaranteed by design.
Note 5:
There are no industry-wide standards for temperature accuracy specifications. These values allow comparison to ven-
dors who use 3-?limits.
Note 6:
This specification indicates how often temperature data is updated. The devices can be read at any time without regard
to conversion state, while yielding the last conversion result.
Note 7:
For best accuracy, minimize output loading. Higher sink currents can affect sensor accuracy due to internal heating.
Note 8:
OS delay is user programmable up to six over-limit conversions before OS is set to minimize false tripping in noisy
environments.
Note 9:
Default values set at power-up.
Note 10: All timing specifications are guaranteed by design.
Note 11: A master device must provide a hold time of at least 300ns for the SDA signal to bridge the undefined region of SCLs
falling edge.
Note 12: C
B
= total capacitance of one bus line in pF. Tested with C
B
= 400pF.
Note 13: Input filters on SDA, SCL, and A_ suppress noise spikes less than 50ns.
Note 14: Holding the SDA line low for a time greater than t
TIMEOUT
causes the devices to reset SDA to the IDLE state of the serial
bus communication (SDA set high).
ELECTRICAL CHARACTERISTICS (continued)
(+V
S
= +3.0V to +5.5V, T
A
= -55癈 to +125癈, unless otherwise noted. Typical values are at +V
S
= +5V, T
A
= +25癈.) (Notes 4, 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I
2
C-COMPATIBLE TIMING (Note 10)
Serial Clock Frequency
f
SCL
Bus timeout inactive
DC
400
kHz
Minimum RESET Pulse Width
1
祍
Bus Free Time Between STOP
and START Conditions
t
BUF
1.3
祍
START Condition Hold Time
t
HD:STA
0.6
祍
STOP Condition Setup Time
t
SU:STO
90% of SCL to 10% of SDA
100
ns
Clock Low Period
t
LOW
1.3
祍
Clock High Period
t
HIGH
0.6
祍
START Condition Setup Time
t
SU:STA
90% of SCL to 90% of SDA
100
ns
Data Setup Time
t
SU:DAT
10% of SDA to 10% of SCL
100
ns
Data Hold Time
t
HD:DAT
10% of SCL to 10% of SDA (Note 11)
0
0.9
祍
Maximum Receive SCL/SDA Rise
Time
t
R
300
ns
Minimum Receive SCL/SDA Rise
Time
t
R
(Note 12)
20 +
0.1 x
C
B
ns
Maximum Receive SCL/SDA Fall
Time
t
F
300
ns
Minimum Receive SCL/SDA Fall
Time
t
F
(Note 12)
20 +
0.1 x
C
B
ns
Transmit SDA Fall Time
t
F
(Note 12)
20 +
0.1 x
C
B
250
ns
Pulse Width of Suppressed Spike
t
SP
(Note 13)
0
50
ns
SDA Time Low for Reset of Serial
Interface
t
TIMEOUT
MAX7500/MAX7501/MAX7502 (Note 14)
150
300
ms
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相关代理商/技术参数 |
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| MAX750ACSA+T | 功能描述:直流/直流开关调节器 Adjustable PWM Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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