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ADM12914-1ARQZ Folha de dados(PDF) 3 Page - Analog Devices

Nome de Peças ADM12914-1ARQZ
Descrição Electrónicos  짹0.8% Accurate Quad UV/OV Positive/Negative Voltage Supervisor
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

ADM12914-1ARQZ Folha de dados(HTML) 3 Page - Analog Devices

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ADM12914
Rev. 0 | Page 3 of 16
SPECIFICATIONS
TA = −40°C to +125°C. Typical values at TA = 25°C, unless otherwise noted. VCC = 3.3 V, VLx = 0.45 V, VHx = 0.55 V, LATCH = VCC,
SEL = VCC, DIS = open, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
SHUNT REGULATOR
VCC Shunt Regulator Voltage
VSHUNT
6.3
6.6
6.8
V
ICC = 5 mA
VCC Shunt Regulator Load Regulation
ΔVSHUNT
150
mV
ICC = 2 mA to 10 mA
SUPPLY
Supply Voltage1
VCC
2.3
VSHUNT
V
Minimum VCC Output Valid
VCCR(MIN)
0.9
V
DIS = 0 V
Supply Undervoltage Lockout
VCC(UVLO)
1.94
2
2.06
V
DIS = 0 V, VCC rising
Supply Undervoltage Lockout Hysteresis
ΔVCC(HYST)
15
25
35
mV
DIS = 0 V
Supply Current
ICC
62
100
μA
VCC = 2.3 V to 6.0 V
REFERENCE OUTPUT
Reference Output Voltage
VREF
0.994
1
1.008
V
IVREF = ±1 mA
UNDERVOLTAGE/OVERVOLTAGE CHARACTERISTICS
Undervoltage/Overvoltage Threshold
VUOT
496
500
504
mV
VCC = 2.3 V to 6.0 V
Undervoltage/Overvoltage Threshold to Output Delay
tUOD
100
200
350
μs
VHx = VUOT − 5 mV or VLx = VUOT + 5 mV
VHx, VLx Input Current
IVHL
±10
nA
UV/OV Timeout Period
tUOTO
7.5
8.5
10.5
ms
CTIMER = 1 nF
OV LATCH CLEAR INPUT
OV Latch Clear Threshold Input High
VLATCH(IH)
1.2
V
OV Latch Clear Threshold Input Low
VLATCH(IL)
0.8
V
LATCH Input Current
ILATCH
50
nA
VLATCH > 0.5 V
DISABLE INPUT
DIS Input High
VDIS(IH)
1.2
V
DIS Input Low
VDIS(IL)
0.8
V
DIS Input Current
IDIS
1.25
2
2.75
μA
VDIS > 0.5 V
TIMER CHARACTERISTICS
TIMER Pull-Up Current
ITIMER(UP)
−1.7
−2.1
−2.5
μA
VTIMER = 0 V
TIMER Pull-Down Current
ITIMER(DOWN)
1.7
2.1
2.5
μA
VTIMER = 1.6 V
TIMER Disable Voltage
VTIMER(DIS)
−180
−270
mV
Referenced to VCC
OUTPUT VOLTAGE
Output Voltage High UV/OV
VOH
1
V
VCC = 2.3 V; IUV/OV = −1 μA
Output Voltage Low UV/OV
VOL
0.1
0.3
V
VCC = 2.3 V; IUV/OV = 2.5 mA
0.01
0.15
V
VCC = 0.9 V; IUV = 100 μA
THREE-STATE INPUT SEL
Low Level Input Voltage
VIL
0.4
V
High Level Input Voltage
VIH
1.4
V
Pin Voltage when Left in High-Z State
VZ
0.8
0.9
1.0
V
ISEL = ±10 μA
SEL High, Low Input Current
ISEL
±25
μA
Maximum SEL Input Current
ISEL(MAX)
±30
μA
SEL tied to VCC or GND
1 The maximum voltage on the VCC pin is limited by the input current. The VCC pin has an internal 6.5 V shunt regulator and, therefore, a low impedance supply
exceeding 6 V may exceed the maximum allowable input current. When operating from a higher supply than 6 V, always use a dropping resistor.


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