NJU7710/11
2ch VOLTAGE DETECTOR
GENERAL DESCRIPTION
The NJU7710/11 is a 2ch low quiescent current voltage
detector featuring high precision detection voltage.
The detection voltage is internally fixed with an accuracy
of 1.0%.
NJU7710 is Nch. Open Drain and NJU7711 is a
C-MOS output type.
FEATURES
High Precision detection Voltage
Low Quiescent Current
Detection Voltage Range
Output Configuration
Package Outline
PIN CONFIGURATION
PIN FUNCTION
1. V
OUT
1
2. V
SS
3. V
DD
1
4. V
DD
2
1 2 3
5. V
OUT
2
NJU7710F/F3, NJU7711F/F3
5
4
PACKAGE OUTLINE
NJU7710/11F
NJU7710/11F3
±1.0%
0.8µA typ. (per 1CH)
1.3∼6.0V(0.1V step)
NJU7710: Nch. Open Drain Type
NJU7711: C-MOS Output Type
SOT-23-5 / SC88A
EQUIVALENT CIRCUIT
NJU7710
V
DD
1/V
DD
2
NJU7711
V
DD
1/V
DD
2
V
OUT
1/V
OUT
2
VREF
V
OUT
1/V
OUT
2
VREF
V
SS
V
SS
Ver.2006-02-23
-1-
NJU7710/11
DETECTION VOLTAGERANK LIST
NJU7710
Device Name
NJU7710F1524
NJU7710F2318
NJU7710F0435
NJU7710F4227
NJU7710F0613
NJU7710F3-1524
NJU7710F3-2318
NJU7710F3-0435
NJU7710F3-4227
NJU7710F3-0613
NJU7711
Device Name
NJU7711F4219
NJU7711F4227
NJU7711F0613
NJU7711F3-4219
NJU7711F3-4227
NJU7711F3-0613
Package
SOT-23-5
V
DET
CH1
CH2
4.2V
1.9V
4.2V
2.7V
6.0V
1.3V
4.2V
1.9V
4.2V
2.7V
6.0V
1.3V
Package
V
DET
CH1
CH2
1.5V
2.4V
2.3V
1.8V
4.0V
3.5V
4.2V
2.7V
6.0V
1.3V
1.5V
2.4V
2.3V
1.8V
4.0V
3.5V
4.2V
2.7V
6.0V
1.3V
SOT-23-5
SC88A
SC88A
-2-
Ver.2006-02-23
NJU7710/11
NJU7710
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
V
DD
Output Voltage
V
OUT
Output Current
I
OUT
Power Dissipation
Operating Temperature
Storage Temperature
P
D
Topr
Tstg
(Ta=25°C)
UNIT
V
V
mA
RATINGS
+10
V
SS
-0.3
∼
+10
50
SOT-23-5
SC88A
350(*1)
200(*2)
250(*1)
mW
°C
°C
−40
∼
+85
−40
∼
+125
(*1) : Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers)
(*2) : Device itself
ELECTRICAL CHARACTERISTICS
(CH1/2 common characteristics, Ta=25°C)
PARAMETER
SYMBOL
Detection Voltage
V
DET
Hysterisis Voltage
Quiescent Current
Output Current
Output Leak Current
Detection Voltage
Temperature
Coefficient
Operating Voltage
(*3)
V
HYS
I
SS
I
OUT
I
LEAK
V
DD
=V
DET
+1V
Nch,V
DS
=0.5V
V
DD
=V
OUT
=9V
TEST CONDITION
MIN. TYP. MAX. UNIT
-1.0%
+1.0%
V
−
V
DET
V
DET
V
DET
V
×0.03 ×0.05 ×0.08
0.5
1.0
V
DET
=1.3V∼1.7V Version
µA
−
0.8
1.6
V
DET
=1.8V∼6.0V Version
µA
−
V
DD
=1.2V
0.75
2.0
mA
−
4.5
7.0
mA
V
DD
=2.4V (≥2.7V Version)
−
0.1
µA
−
−
−
0.8
±100
−
−
9
ppm/°C
V
∆V
DET
/∆Ta Ta=0
∼
+85°C
V
DD
R
L
=100kΩ
(*3): The minimum Operating Voltage(V
OPL
) indicates the same value of the input voltage(V
DD
) on
condition that V
OUT
becomes 10% or less of the input voltage(V
DD
).
Ver.2006-02-23
-3-
NJU7710/11
TEST CIRCUIT
1
COMMON TEST CIRCUIT
R
L
1
I
SS
1
A
V
DD
1
V
V
DET
1/
V
OPL
1
V
DD
1
V
OUT
1
V
V
OUT
1
NJM7710
I
SS
2
A
V
DD
2
V
V
DET
2/
V
OPL
2
V
DD
2
V
SS
V
OUT
2
R
L
2
V
V
OUT
2
2
Output Current/Output Leak Current TEST CIRCUIT
I
OUT
1/I
LEAK
1
V
DD
1
V
DD
1
V
OUT
1
A
V
DS
1/
V
OUT
1
NJM7710
I
OUT
1/I
LEAK
1
V
DD
2
V
DD
2
V
SS
V
OUT
2
A
V
DS
2/
V
OUT
2
-4-
Ver.2006-02-23
NJU7710/11
TYPICAL APPLICATION
1
Power supply voltage supervision of two systems
R
L
1: 100k
Ω
V
DD
1
V
DD
1
V
OUT
1
Micro-Processor1
Reset Signal
INPUT
NJM7710
R
L
2: 100k
Ω
Micro-Processor2
Reset Signal
INPUT
V
DD
2
V
DD
2
V
SS
V
OUT
2
V
SS
2
Power supply voltage supervision of two systems
(
At the time of power source supply classified by micro-processor
)
V
DD
3
R
L
1: 100k
Ω
V
DD
1
V
DD
1
V
OUT
1
Micro-Processor1
Reset Signal
INPUT
NJM7710
V
DD
4
R
L
2: 100k
Ω
Micro-Processor2
Reset Signal
INPUT
V
DD
2
V
DD
2
V
SS
V
OUT
2
V
SS
Ver.2006-02-23
-5-
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
