JRC NJM2146BM, NJM2146BR, NJM2146BD Datasheet
NJM2146B
VOLTAGE AND CURRENT CONTROL IC
■ GENERAL DESCRIPTION ■ PACKAGE OUTLINE
The NJM2146B is a voltage and current control
IC which contains single-supply low offset voltage
OP-AMP(2mV max.),low operating OP-AMP, and
precision voltage reference. It is suitable for battery
charger, second controller of switching regulator
systems, and other battery systems.
■ FEATURES
●Operating Voltage (2.5V ∼ 18V)
●Internal Precision Voltage Reference
(1.5V±1%)
●PC Terminal Current (60mA max.)
●Operating Current (3mA max.)
●Bipolar Technology
●Package Outline DIP8,DMP8,VSP8
■ PIN CONFIGURATION
1
A
−
+
2
3
4
V
B
+
−
REF
8
7
6
5
PIN FUNCTION
1. PC
2. A −INPUT
3. A +INPUT
4. GND
5. B +INPUT
6. B −INPUT
REF
+
7. V
8. V
NJM2146BD NJM2146BM
NJM2146BR
■ ABSOLUTE MAXIMUM RAINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V+ 20 V
Differential Input Voltage VID
Power Dissipation PD
(Ach) 20
(Bch) ±4
(DIP8)
(DMP8)
(VSP8)
500
300
320
V
mW
PC Terminal Current IPC 60 mA
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
−40 ∼ 85 °C
−50 ∼ 150 °C
(note)When the supply voltage is less than 20V, the absolute maximum
input voltage is equal to the supply voltage
■ RECOMMENDED OPERATING CONDITIO NS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Operating Voltage
Vopr
2.5 ∼ 18
V
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NJM2146B
■ ELECTRICAL CHARACTERISTICS ( V
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Operating Current ICC I
Leakage Current I
Saturation Voltage V
Reference Voltage V
Reference Voltage
Load Regulation
PCLEAK
∆V
∆I
V+=VPC=20V
IPC=50mA
PC(SAT)
I
REF
/
REF
REF
[Ach]
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Input Offset Voltage VIO
Input Offset Current IIO
Input Bias Current IB
Large Signal Voltage Gain AV
Input Common Mode Voltage Range V
0 to 3
ICM
Common Mode Rejectio n Rat io CMR
Supply Voltage Re je c t io n Rat io SVR
Slew Rate SR
Gain Bandwidth Product GB f=10kHz
[Bch]
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
Input Offset Voltage VIO
Input Offset Current IIO
Input Bias Current IB
Large Signal Voltage Gain AV
Input Common Mode Voltage Range V
ICM
Common Mode Rejectio n Rat io CMR
Supply Voltage Re je c t io n Rat io SVR
Slew Rate SR
Gain Bandwidth Product GB f=10kHz
PC
=off
−
1 3 mA
− −
−
=0mA 1485 1500 1515 mV
REF
=0 ∼ 5mA − −
I
REF
−
−
−
−
0.5 0.7 V
0.5 2 mV
5 50 nA
80 250 nA
80
− −
90
80
0.8
2
1 6 mV
10 50 nA
100 300 nA
80
− −
90
80
0.5
1
A
=1, VIN=2.5V±1V −
V
−
−
−
−
−
−
−
−
1.0 to 4.4
−
−
−
+
=5V, Ta=25°C)
100
µA
30 mV
−
dB
V
−
−
dB
dB
− V/µs
−
−
MHz
dB
V
−
−
dB
dB
− V/µs
−
MHz
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NJM2146B_databook00_01
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