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NJU77222 Series
Ultra Low Power, High EMC Performance, Rail-to-Rail Input, CMOS Comparator

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  • Description

    The NJU7721x, NJU7722x series are Rail-to-Rail input comparator featuring ultralow supply current of 0.7µA (single) and 0.6µA/ch (Dual). Designed to operate from 1.7V to 5.5V, and rail-to-rail input voltage range, make them suitable for use in a wide variety of battery-powered single supply applications. The NJU7721x, NJU7722x series features the newly developed circuit technology Dynamic Transient Stabilizer realizes rail-to-rail input with suppressed fluctuation of propagation delay time. Integrated high EMI immunity can reduced malfunctions caused by RF-noises from mobile phones and other electronic devices. Also, the input voltage can be input up to 5.5V beyond the positive supply rail, and no output inversion even in this state. These make them well suited for precision voltage monitoring in harsh, noisy environments. NJU7721x, NJU7722x series are available in ultrasmall, leadless package measuring 1.6 mm x 1.6 mm DFN6-G1 (ESON6-G1) and 2.0 mm x 2.0 mm DFN8-U1 (ESON8-U1), and industrial standard leaded packages SOT-23-5, SC-88A, and MSOP8(VSP8).

    Applications

    • Portable and battery-powered devices
    • Alarm and Monitoring Circuits
    • Gas / Smoke Detector
    • Servo drive position sensor
    • Window comparators
    • Voltage Level Translators

  • Spec
    Consumer
    Output Type Open-Drain
    No.of Circuit 2 ch.
    Supply Voltage 1.7 V to 5.5 V
    Supply Current (Per ch.) Typ. 0.6 µA to max. 1.2 µA
    Input Offset Voltage Typ. 1 mV to max. 7 mV
    Propagation Delay (TPLH / TPHL) Typ. 9800 ns / 4500 ns
    Input Bias Current Typ. 0.001 nA
    Wide Operating Temperature -40°C to 105°C
    Junction Temp. 125°C
    Package MSOP8(VSP8)
    DFN8-U1(ESON8-U1)
    Note(1) Integrated EMI Filter
    Note(2) Dynamic Transient Stabilizer- Rail-to-Rail Input with no propagation delay fluctuation
    Download Datasheet
  • Technical
    Documents
  • Quality &
    Packages
    Product Name Compatibility Package Marking Reliability
    NJU77222R
    • gradeConsumer
    		 MSOP8(VSP8) - NJU-1-s-fr
    NJU77222KU1
    • gradeConsumer
    		 DFN8-U1(ESON8-U1) - NJU-1-s-r
    • 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:Comparators

Input Type Rail-to-Rail
Output Type Open-Drain
No.of Circuit 2
Supply Voltage
min(V)		 1.7
Supply Voltage
max(V)		 5.5
Input
Offset
Voltage
max(mV)		 7
Propagation
Delay
(TPLH)(ns)		 9800