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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：General Purpose
- Number of Elements：4
- Output Type：TTL
- Voltage - Supply, Single/Dual (±)：4.5V ~ 11V
- Voltage - Input Offset (Max)：2mV @ 5V
- Current - Input Bias (Max)：0.3µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：1mA
- CMRR, PSRR (Typ)：86.02dB CMRR, 86.02dB PSRR
- Propagation Delay (Max)：50ns
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX908ESD+T is a quad, high-speed, ultra-low-power voltage comparator designed for single +5V supply systems. It features a 40ns propagation delay with 5mV input overdrive and consumes only 3.5mW per comparator. The device operates within a 4.5V to 5.5V positive supply range and supports an input common-mode range from 200mV below ground to within 1.5V of the positive rail. It incorporates internal hysteresis for clean switching and provides TTL-compatible outputs without external pullup circuitry.
Feature Summary
- Internal hysteresis ensures clean output switching even with slow-moving input signals
- TTL-compatible outputs eliminate the need for external pullup resistors
- Input and output short-circuit protection allows continuous connection to supply rails
Applications
- Battery-powered systems
- High-speed A/D converters
- Threshold detectors and discriminators
- Zero-crossing detectors
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for Not Recommended for New Designs (NRND) status before procurement. Ensure the SO-14 package matches design requirements. Validate temperature range specifications against application environmental conditions.
Selection Notes
Select this component for applications requiring low power consumption alongside high-speed response times in single-supply environments. The quad configuration suits designs needing multiple comparison functions in a compact footprint. Verify that the fixed internal hysteresis meets signal conditioning needs without external resistor networks.
Part Context
This part belongs to the MAX907/MAX908/MAX909 family of comparators manufactured by Analog Devices/Maxim Integrated. The MAX908 specifically offers a quad-channel configuration in a 14-pin package, distinguishing it from the dual MAX907 and single MAX909 variants. These devices are optimized for precision and speed in low-power digital interfacing.
Replacement Considerations
The datasheet indicates the MAX909 was manufactured using a process no longer available and is not recommended for new designs. Consult technical support for potential Maxim replacements or industry second-sources suitable for existing designs.
