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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 4WLP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：General Purpose
- Number of Elements：1
- Output Type：Push-Pull
- Voltage - Supply, Single/Dual (±)：1.7V ~ 5.5V
- Voltage - Input Offset (Max)：32mV @ 3.3V
- Current - Input Bias (Max)：0.02µA @ 3.3V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：1.3µA
- CMRR, PSRR (Typ)：45dB PSRR (Min)
- Propagation Delay (Max)：55µs (Typ)
- Hysteresis：8mV
- Operating Temperature：-40°C ~ 125°C
- Package / Case：4-XFBGA, WLBGA
- Mounting Type：Surface Mount
- Supplier Device Package：4-WLP (0.73x0.73)
- Grade：-
- Qualification：-
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Overview
The MAX40004ANS05+T is a single-channel analog comparator from the nanoPower family, featuring an inverting input and push-pull output. It operates on a supply voltage range of 1.7V to 5.5V with a typical supply current of 500nA. The device includes a factory-trimmed internal reference voltage of 0.5V. It utilizes a 4-bump WLP package with a footprint of 0.73mm x 0.73mm. Electrical characteristics include a propagation delay of 9µs (typical) and an input offset voltage of 27mV maximum over the -40°C to +85°C temperature range.
Feature Summary
- Ultra-low power consumption of 500nA enables extended battery life in portable applications.
- Integrated 0.5V internal reference eliminates the need for external components.
- Push-pull output stage provides direct drive capability without requiring pull-up resistors.
- High-impedance inputs maintain functionality even when the power supply is removed.
Applications
- Mobile devices
- Portable medical devices
- Notebook computers
Procurement Notes
Verify the specific suffix '05' confirms the 0.5V internal reference voltage setting. Confirm the 'ANS' designation corresponds to the 4-bump WLP package variant rather than the SOT23 option. Ensure the '+T' suffix indicates tape and reel packaging if required for automated assembly processes.
Selection Notes
Select this component when board space is constrained by the ultra-tiny WLP footprint. Choose this part for low-voltage systems operating between 1.7V and 5.5V where minimal quiescent current is critical. The push-pull output is suitable for driving digital logic directly without additional passive components.
Part Context
This device belongs to the MAX40002–MAX40005 series of nanoPower comparators designed for compact electronics. The series offers various combinations of input polarity and output types. The MAX40004 specifically combines a noninverting input configuration with a push-pull output structure for simplified interface design.
Replacement Considerations
MAX40004ANS02+T
FAQ
Does the MAX40004ANS05+T require an external pull-up resistor?
No, it features a push-pull output stage that can source and sink current, eliminating the need for an external pull-up resistor.
What is the function of the VCC/REF pin on this device?
For parts with an internal reference like the MAX40004ANS05+T, the VCC/REF pin serves as the supply voltage input and must be bypassed with a capacitor.
