參數(shù)資料
型號(hào): MAX6689UP34+
廠商: Maxim Integrated
文件頁數(shù): 3/19頁
文件大小: 240K
描述: IC 7CH PREC TEMP MONITOR 20TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 74
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部和外部
感應(yīng)溫度: -40°C ~ 125°C,外部傳感器
精確度: ±1°C 本地(最大),±3°C 遠(yuǎn)程(最大)
拓?fù)洌?/td> ADC,緩沖器,寄存器庫
輸出類型: I²C?/SMBus?
輸出警報(bào):
輸出風(fēng)扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
7-Channel Precision Temperature Monitor
_______________________________________________________________________________________   3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +5.5V, V
STBY
= V
CC
, T
A
= -40癈 to +125癈, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
=
+25癈.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SMBus INTERFACE (SCL, SDA), STBY
Logic-Input Low Voltage
V
IL
0.8
V
V
CC
 = 3.0V
2.2
Logic-Input High Voltage
V
IH
V
CC
 = 5.0V
2.4
V
Input Leakage Current
-1
+1
礎(chǔ)
Output Low Voltage
V
OL
I
SINK
 = 6mA
0.3
V
Input Capacitance
C
IN
5
pF
SMBus-COMPATIBLE TIMING (Figures 3 and 4) (Note 2)
Serial-Clock Frequency
f
SCL
(Note 3)
400
kHz
f
SCL
 = 100kHz
4.7
Bus Free Time Between STOP
and START Condition
t
BUF
f
SCL
 = 400kHz
1.6
f
SCL
 = 100kHz
4.7
START Condition Setup Time
f
SCL
 = 400kHz
0.6
90% of SCL to 90% of SDA,
f
SCL
 = 100kHz
0.6
Repeat START Condition Setup
Time
t
SU:STA
90% of SCL to 90% of SDA,
f
SCL
 = 400kHz
0.6
START Condition Hold Time
t
HD:STA
10% of SDA to 90% of SCL
0.6
90% of SCL to 90% of SDA,
f
SCL
 = 100kHz
4
STOP Condition Setup Time
t
SU:STO
90% of SCL to 90% of SDA,
f
SCL
 = 400kHz
0.6
10% to 10%, f
SCL
 = 100kHz
1.3
Clock-Low Period
t
LOW
10% to 10%, f
SCL
 = 400kHz
1.3
Clock-High Period
t
HIGH
90% to 90%
0.6
f
SCL
 = 100kHz
300
Data Hold Time
t
HD:DAT
f
SCL
 = 400kHz (Note 4)
900
ns
f
SCL
 = 100kHz
250
Data Setup Time
t
SU:DAT
f
SCL
 = 400kHz
100
ns
f
SCL
 = 100kHz
1
Receive SCL/SDA Rise Time
t
R
f
SCL
 = 400kHz
0.3
Receive SCL/SDA Fall Time
t
F
300
ns
Pulse Width of Spike Suppressed
t
SP
0
50
ns
SMBus Timeout
t
TIMEOUT
SDA low period for interface reset
25
37
45
ms
Note 1: All parameters are tested at T
A
= +85癈. Specifications over temperature are guaranteed by design.
Note 2: Timing specifications are guaranteed by design.
Note 3: The serial interface resets when SCL is low for more than t
TIMEOUT
.
Note 4: A transition must internally provide at least a hold time to bridge the undefined region (300ns max) of SCLs falling edge.
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