參數(shù)資料
型號： MAX6870ETJ-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： EEPROM-Programmable Hex/Quad Power-Supply Sequencers/Supervisors with ADC
中文描述： 6-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32
封裝： 7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32
文件頁數(shù)： 34/51頁
文件大小： 672K
代理商： MAX6870ETJ-T
MAX6870/MAX6871
EEPROM-Programmable Hex/Quad
Power-Supply Sequencers/Supervisors with ADC
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VIL
0.8
MR, MARGIN, GPI_ Input Voltage
VIH
1.4
V
MR Input Pulse Width
tMR
1s
MR Glitch Rejection
100
ns
MR to PO_ Delay
tDMR
2s
MR to VDBP Pullup Current
IMR
VMR = +1.4V
5
10
15
A
MARGIN to VDBP Pullup Current
IMARGIN
VMARGIN = +1.4V
5
10
15
A
GPI_ to PO_ Delay
tDGPI_
200
ns
GPI_ Pulldown Current
IGPI_
VGPI_ = +0.8V
5
10
15
A
Watchdog Input Pulse Width
tWDI
GPI_ configured as a watchdog input
50
ns
000
5.625
6.25
6.875
001
22.5
25
27.5
010
90
100
110
011
360
400
440
ms
100
1.44
1.60
1.76
101
5.76
6.40
7.04
110
23.04
25.60
28.16
Watchdog Timeout Period
tWD
Register Contents
(Table 28)
111
92.16
102.40
112.64
s
Reference Input Voltage Range
VREFIN
1.225
1.25
1.275
V
Reference Input Resistance
RREFIN
VREFIN = +1.25V
500
k
IN1, LSB = 18.3mV
0
13.2
IN1, LSB = 9.16mV
0
9.366
IN2, LSB = 18.3mV
0
±15.25
IN2, LSB = 9.16mV
0
±9.366
IN3 to IN6, LSB = 7.32mV
0
5.50
IN3 to IN6, LSB = 3.66mV
0
3.746
ADC Range
AUXIN_, LSB = 1.2mV
0
1.249
V
IN1 to IN6 positive
±1.0
Internal Reference
IN2 negative
±1.0
ADC Total Unadjusted Error
(Note 5)
TUE
External Reference, IN1 to IN6 positive (Note 6)
±1.0
%FSR
ADC Differential Nonlinearity
DNL
(Note 7)
±1
LSB
ADC Total Monitoring Cycle Time
tC
Monitors all 8 inputs
200
266
ms
AUXIN_ Input Leakage Current
ILAUXIN_
VAUXIN_ = 1.25V
-1
+1
A
SERIAL INTERFACE LOGIC (SDA, SCL, A0, A1)
Logic Input Low Voltage
VIL
0.8
V
Logic Input High Voltage
VIH
2.0
V
Input Leakage Current
ILKG
-1
+1
A
Output Voltage Low
VOL
ISINK = 3mA
0.4
V
Input/Output Capacitance
CI/O
10
pF
ELECTRICAL CHARACTERISTICS (continued)
(VIN1 = +6.5V to +13.2V, VIN2 = +10V, VIN3 to VIN6 = +2.7V to +5.5V, AUXIN_ = GPI_ = GND, MARGIN = MR = DBP, TA = -40°Cto
+85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1 and 2)
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