NJU7027 Series
13µA/ch, Rail-to-Rail Output CMOS Operational Amplifier

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  • Description

    The NJU7026/NJU7027/NJU7028 are single, dual and quad rail-to-rail output single supply CMOS operational amplifiers featuring low supply current. These amplifiers operates from single 1.8V to 5.5V supply or dual ±0.9V to ±2.75V supply and provide a 160kHz gain-bandwidth products while using only 13µA of supply current per channel, ideal for 2-cell battery systems and 1-cell li-ion battery systems. NJU7026/NJU7027/NJU7028 have rail-to-rail outputs that typically swing to within 50mV of the rails with 100kΩ load and the input common mode voltage range includes negative supply rail and swing to within 0.9V of the positive rail. These characteristics make them suited for low-side current sense applications. In addition to low power and rail-to-rail output, very low bias current make them to used for photodiode amplifiers, charge amplifiers, piezoelectric sensors and other applications with high source impedance. NJU7026/NJU7027/NJU7028 are high RF-immunity to reduce malfunctions caused by RF noises from mobile phones and others. The NJU7026 is available in 5-pin SC-88A and SOT-23 package. NJU7027 is available in 8-pin MSOP (TVSP): meet JEDEC MO-187-DA / thin type package and DFN which is thin and 2mm square small package. NJU7028 is available in 14-pin SSOP package.

    Applications


    • Battery-powered instruments
    • Current sensor amplifiers
    • Voltage/current monitoring
    • Power line monitoring
    • Photodiode amplifiers

  • Spec
    Consumer
    No.of Circuit 2 ch.
    Power Supply Single
    Supply Voltage 1.8 V to 5.5 V
    Supply Current (Per ch.) Typ. 0.013 mA to max. 0.02 mA
    Input Offset Voltage Typ. 0.9 mV to max. 4 mV
    Slew Rate Typ. 0.05 V/μsec
    Input Bias Current Typ. 0.001 nA to max.- nA
    Input Offset Current Typ. 0.001 nA to max.- nA
    GBW Typ. 0.16 MHz
    Noise Voltage (en) Typ. 50 nV/√Hz
    Input Offset Drift Typ. 1.5 μV/℃
    Wide Operating Temperature -40°C to 125°C
    Junction Temp. 150°C
    Min Stable Gain 1 V/V
    Package DFN8-U1(ESON8-U1)
    MSOP8(TVSP8)
    Note(1) Rail-to-Rail Output(RL=100kΩ to V+/2) (50mV from rail)
    Note(2) Input Offset Voltage Drift (1.5µV/°C typ.)
  • Quality &
    Packages
    • Refer to the datasheets for the details on the product.
    • The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
    • Please contact us or our distributors for unpublished reliability information.

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Functional Description

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Category:Operational Amplifiers

No.of Circuit 2
Power Supply Single
Supply Voltage
(+8V=8,
±8V=16)
min(V)
1.8
Supply Voltage
(+8V=8,
±8V=16)
max(V)
5.5
Supply Current
(Per ch.)
typ(mA)
0.013
Input
Offset
Voltage
max(mV)
4
Slew
Rate
typ(V/µsec)
0.05
GBW
typ(MHz)
0.16
en(nV/√Hz) 50