參數(shù)資料
型號: MAX6657MSA+T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 溫度/濕度傳感器
英文描述: ±1°C, SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms
中文描述: DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT
封裝: 0.150 INCH, LEAD FREE, MO-012AA, SOIC-8
文件頁數(shù): 13/19頁
文件大?。?/td> 338K
代理商: MAX6657MSA+T
MAX6657/MAX6658/MAX6659
_______________________________________________________________________________________
3
Note 1: TA = +25°C to +85°C.
Note 2: If both the local and the remote junction are below TA = -20°C, then VCC > 3.15V.
Note 3: For conversion rates of 4Hz or slower, the conversion time doubles.
Note 4: Timing specifications guaranteed by design.
Note 5: The serial interface resets when SMBCLK is low for more than tTIMEOUT.
Note 6: A transition must internally provide at least a hold time to bridge the undefined region (300ns max) of SMBCLK's falling edge.
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Typical Operating Circuit, VCC = +3.0V to +5.5V, TA = 0°C to +125°C, unless otherwise specified. Typical values are at
VCC = +3.3V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
0.25 conversions/s
40
70
Average Operating Current
2 conversions/s
150
250
A
Conversion Time
tCONV
From stop bit to conversion completed
(Note 4)
95
125
156
ms
Conversion Timing Error
±25
%
DXP and DXN Leakage Current
In standby mode
100
nA
High level
80
100
120
Remote-Diode Source Current
IRJ
Low level
8
10
12
A
(
ALERT, OVERT)
VOL = 0.4V
1
Output Low Sink Current
VOL = 0.6V
6
mA
Output High Leakage Current
VOH = 5.5V
1
A
SMBus-COMPATIBLE INTERFACE (SMBCLK, SMBDATA,
STBY)
Logic Input Low Voltage
VIL
0.8
V
VCC = +3.0V
2.2
Logic Input High Voltage
VIH
VCC = +5.5V
2.4
V
Input Leakage Current
ILEAK
VIN = GND or VCC
±1
A
Output Low Sink Current
IOL
VOL = 0.6V
6
mA
Input Capacitance
CIN
5pF
SMBus-COMPATIBLE TIMING (Note 4)
Serial-Clock Frequency
fSCL
(Note 5)
100
kHz
Bus Free Time Between STOP
and START Condition
tBUF
4.7
s
START Condition Setup Time
4.7
s
Repeat START Condition Setup
Time
tSU:STA
90% to 90%
50
ns
START Condition Hold Time
tHD:STA
10% of SMBDATA to 90% of SMBCLK
4
s
STOP Condition Setup Time
tSU:STO
90% of SMBCLK to 90% of SMBDATA
4
s
Clock Low Period
tLOW
10% to 10%
4.7
s
Clock High Period
tHIGH
90% to 90%
4
s
Data Setup Time
tHD:DAT
(Note 6)
0
s
Receive SCL/SDA Rise Time
tR
1s
Receive SCL/SDA Fall Time
tF
300
ns
Pulse Width of Spike Suppressed
tSP
050
ns
SMBus Timeout
SMBDATA low period for interface reset
25
37
45
ms
±1°C, SMBus-Compatible Remote/Local Temperature
Sensors with Overtemperature Alarms
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