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NJU7029 Series
Low Noise, Rail-to-Rail Output Dual CMOS Operational Amplifier

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  • Description

    The NJU7029 is a dual CMOS operational amplifier with a low noise of VNI=13nV/√Hz (typ. @f=1kHz), Rail-to-Rail output and low operating voltage. It offers a single supply voltage operation from +2.2V to +5.5V, rail-to-rail output swing in both supply rails and input voltage range from ground. Further the NJU7029 has a low bias current of 1pA, which makes it well-suited for current sense amplifiers such as an acceleration sensor, shock sensor and photodiode amplifier. The NJU7029 is available in small surface mount packages of SSOP8, MSOP8 (TVSP8) and an ultra small lead-less package of ESON8 which allows high-density mounting.

    Applications


    • Shock sensors, Accelerometers
    • Charge amplifiers
    • Photodiode amplifiers
    • Low noise signal processing applications
    • Microphone amplifiers

  • Spec
    Consumer
    No.of Circuit 2 ch.
    Power Supply Single
    Supply Voltage 2.2 V to 5.5 V
    Supply Current (Per ch.) Typ. 0.425 mA to max. 0.575 mA
    Input Offset Voltage Typ. 2 mV to max. 5 mV
    Slew Rate Typ. 1 V/μsec
    Input Bias Current Typ. 0.001 nA to max.- nA
    Input Offset Current Typ. 0.001 nA to max.- nA
    GBW Typ. 3 MHz
    ft Typ. 3 MHz
    Noise Voltage (VNI) Typ. 1.7 μVrms
    Noise Voltage (en) Typ. 13 nV/√Hz
    Input Offset Drift Typ. 2 μV/℃
    Wide Operating Temperature -40°C to 85°C
    Junction Temp. 125°C
    Min Stable Gain 1 V/V
    Package DFN8-U1(ESON8-U1)
    SSOP8
    MSOP8(TVSP8)
    Note(1) Offset Voltage Drift (2μV/°C (typ.))
    Note(2) Isource / Isink (200μA)
    Download Datasheet
  • Technical
    Documents
  • Quality &
    Packages
    Product Name Compatibility Package Marking Reliability
    NJU7029KU1
    • gradeConsumer
    		 DFN8-U1(ESON8-U1) - NJU-1-s-r
    NJU7029V
    • gradeConsumer
    		 SSOP8 - NJU-1-s-fr
    NJU7029RB1
    • gradeConsumer
    		 MSOP8(TVSP8) - NJU-1-s-fr
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
  • Sample / Buy
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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)		 2.2
Supply Voltage
(+8V=8,
±8V=16)
max(V)		 5.5
Supply Current
(Per ch.)
typ(mA)		 0.425
Input
Offset
Voltage
max(mV)		 5
Slew
Rate
typ(V/µsec)		 1
GBW
typ(MHz)		 3
en(nV/√Hz) 13