NJM2725 Series
160MHz, 1.4nV/√Hz, Operational Amplifier

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  • Description

    The NJM2725 is a dual high speed voltage feedback operational amplifier designed for ease of use in a high speed and low noise applications. The combination of 1.4nV/√Hz voltage noise and 160MHz bandwidth makes the NJM2725 suitable for ultra-small signal and high frequency applications such as high speed photosensors, ultrasound sensors, active filters and other wideband applications. NJM2725 can be easily configured as a low noise amplifier, and it can also be used as a high performance ADC front end in combination with railto-rail op amps. NJM2725 is stable for Gain ≥ 2 or Gain ≤ -1. Packages for this device is the 8pin SOP and the 8pin MSOP8 (VSP8) and is offered in the extended industrial temperature grade of -40°C to 125°C.

    Applications


    • Low Noise Instrumentation Front End
    • Ultrasound Preamp
    • High Speed Low Noise Active Filter
    • ADC Input Buffer Amplifier
    • Sensor Interface

  • Spec
    Consumer
    No.of Circuit 2 ch.
    Power Supply Dual
    Supply Voltage 4 V to 10 V
    Supply Current (Per ch.) Typ. 4 mA to max. 5.8 mA
    Input Offset Voltage Typ. 0.5 mV to max. 1 mV
    Slew Rate Typ. 15 V/μsec
    Input Bias Current Typ. 4600 nA to max. 10000 nA
    Input Offset Current Typ. 500 nA to max. 5000 nA
    GBW Typ. 160 MHz
    Noise Voltage (en) Typ. 1.5 nV/√Hz
    Input Offset Drift Typ. 1 μV/℃
    Wide Operating Temperature -40°C to 125°C
    Junction Temp. 150°C
    Min Stable Gain 2 V/V
    Package SOP8 (Under Development)
    MSOP8(VSP8)
    Note(1) Common-Mode Input Voltage Range (1.5V to 3.8V at V+=5V)
    Note(2) Output Voltage (RL=1kΩ) (1.3V to 3.5V at V+=5V)
  • 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    • Please contact us or our distributors for unpublished reliability information.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 Dual
Supply Voltage
(+8V=8,
±8V=16)
min(V)
4
Supply Voltage
(+8V=8,
±8V=16)
max(V)
10
Supply Current
(Per ch.)
typ(mA)
4
Input
Offset
Voltage
max(mV)
1
Slew
Rate
typ(V/µsec)
15
GBW
typ(MHz)
160
en(nV/√Hz) 1.4