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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/VOLT REF SC70
- Series：Nanopower
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Type：with Voltage Reference
- Number of Elements：1
- Output Type：Open-Drain
- Voltage - Supply, Single/Dual (±)：1.6V ~ 5.5V
- Voltage - Input Offset (Max)：5mV @ 5V
- Current - Input Bias (Max)：0.001µA @ 5V
- Current - Output (Typ)：50mA
- Current - Quiescent (Max)：800nA
- CMRR, PSRR (Typ)：66dB CMRR, 40dB PSRR
- Propagation Delay (Max)：14µs (Typ)
- Hysteresis：4mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Mounting Type：Surface Mount
- Supplier Device Package：SC-70-5
- Grade：-
- Qualification：-
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Overview
The MAX9120EXK is a Nanopower, Beyond-the-Rails analog comparator manufactured by Analog Devices / Maxim Integrated. It operates within a supply voltage range of 1.6 V to 5.5 V and consumes only 350 nA of quiescent current per channel. The device features an open-drain output capable of sourcing up to 35 mA. Key electrical specifications include a typical response time of 45 µs, a maximum input offset voltage of 5 mV, and an input bias current of 1 nA. It is housed in a SC70-5 package and is rated for operation between -40°C and +85°C.
Feature Summary
- Nanopower consumption with 350 nA quiescent current
- Beyond-the-rails input capability
- Open-drain output configuration
- Single-channel general-purpose design
Applications
- Battery-powered sensor interfaces
- Low-voltage threshold detection
- Portable medical devices
- Industrial monitoring systems
Procurement Notes
Verify the specific suffix 'EXK' against official datasheets to confirm the SC70-5 package and tape-and-reel orientation. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Confirm that the open-drain output architecture aligns with the pull-up requirements of the target circuit design before finalizing procurement.
Selection Notes
Select this component when ultra-low power consumption is critical alongside beyond-the-rails input tolerance. The 350 nA quiescent current makes it suitable for battery-operated applications where energy efficiency is paramount. Verify that the 45 µs response time meets the speed requirements of the application, as faster comparators may be needed for high-speed signal processing tasks.
Part Context
The MAX9120EXK belongs to the MAX9120 series of Nanopower comparators from Analog Devices / Maxim Integrated. This series is designed for applications requiring minimal power usage without sacrificing essential performance characteristics like input voltage range. The EXK designation specifically identifies the SC70-5 surface-mount package variant within this product family.
Replacement Considerations
Consult official cross-reference guides for verified substitutes. Generic replacements must match the 1.6 V to 5.5 V supply range, 350 nA max quiescent current, and SC70-5 package dimensions to ensure mechanical and electrical compatibility.
