参数资料
型号: MAX34446ETL+T
厂商: Maxim Integrated Products
文件页数: 4/36页
文件大小: 0K
描述: IC PS DATA LOGGER PMBUS 40TQFN
标准包装: 2,500
应用: 基站网络线路卡,服务器
电源电压: 2.7 V ~ 5.5 V
电流 - 电源: 3mA
工作温度: -40°C ~ 105°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
MAX34446
PMBus Power-Supply Data Logger
I 2 C/SMBus INTERFACE ELECTRICAL CHARACTERISTICS
(V DD = 2.7V to 5.5V, T A = -40 N C to +105 N C, unless otherwise noted. Typical values are at V DD = 3.3V, T A = +25 N C.)
PARAMETER
SCL Clock Frequency
SYMBOL
f SCL
CONDITIONS
MIN
10
TYP
MAX
100
UNITS
kHz
Bus Free Time Between STOP
and START Conditions
t BUF
4.7
F s
Hold Time (Repeated) START
Condition
Low Period of SCL
High Period of SCL
Data Hold Time
Data Setup Time
START Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
STOP Setup Time
t HD:STA
t LOW
t HIGH
t HD:DAT
t SU:DAT
t SU:STA
t R
t F
t SU:STO
(Note 5)
Receive
Transmit
4.0
4.7
4.0
0
300
100
4.7
4.0
300
300
F s
F s
F s
ns
ns
F s
ns
ns
F s
Clock Low Timeout
t TO
25
35
ms
Note 1: All voltages are referenced to ground (V SS ). Currents entering the device are specified as positive, and currents exiting
the device are specified as negative.
Note 2: This does not include pin input/output currents.
Note 3: Guaranteed by design; not production tested.
Note 4: ADC has no missing codes.
Note 5: Commands MFR_MODE, STORE_DEFAULT_ALL, and RESTORE_DEFAULT_ALL require a bus free time of 250ms.
I 2 C/SMBus Timing
SDA
t BUF
t LOW
t F
t HD:STA
t SP
SCL
t HD:STA
t R
t HIGH
t SU:STA
t SU:STO
t HD:DAT
t SU:DAT
STOP
START
REPEATED
START
NOTE: TIMING IS REFERENCED TO V IL(MAX) AND V IH(MIN) .
Maxim Integrated
4
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MAX3444EASA+ 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
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