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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH SC70-6
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：with Latch
- Number of Elements：1
- Output Type：TTL
- Voltage - Supply, Single/Dual (±)：4.5V ~ 5.5V
- Voltage - Input Offset (Max)：1.6mV @ 5V
- Current - Input Bias (Max)：0.125µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：700µA
- CMRR, PSRR (Typ)：86.02dB CMRR, 86.02dB PSRR
- Propagation Delay (Max)：25ns
- Hysteresis：2mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：6-TSSOP, SC-88, SOT-363
- Mounting Type：Surface Mount
- Supplier Device Package：SC-70-6
- Grade：-
- Qualification：-
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Overview
The MAX9109EXT+T is a single-channel, high-speed voltage comparator designed for +5V systems. It features a 25ns propagation delay with 350µA supply current per channel. The device operates on a single 4.5V to 5.5V supply and includes internal hysteresis for clean switching. Its wide input common-mode range extends from 200mV below ground to within 1.5V of the positive rail. Outputs are TTL-compatible without external pullups. The part includes an internal latch controlled by a LE pin and is housed in a 6-pin SC70 package.
Feature Summary
- Incorporates internal hysteresis to ensure clean output switching and prevent oscillation during slow-moving input signals.
- Features TTL-compatible outputs that eliminate the need for external pullup circuitry.
- Includes an internal latch mechanism allowing comparison results to be stored via the Latch Enable (LE) pin.
Applications
- Battery-powered infrared data links
- Threshold detectors and discriminators
- Zero-crossing detectors
Procurement Notes
Verify the specific ordering suffix EXT+T against the manufacturer's official documentation to confirm the SC70-6 package configuration. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Confirm RoHS compliance status through the datasheet specifications before finalizing procurement.
Selection Notes
Select this component when a single-channel comparator with integrated latching functionality is required. It serves as a direct upgrade to industry-standard comparators like the MAX909, offering higher speed and lower power consumption. Suitable for applications needing wide input common-mode ranges including ground potential.
Part Context
The MAX9109EXT+T belongs to the MAX9107/MAX9108/MAX9109 family of high-speed, low-power voltage comparators. While the MAX9107 offers dual channels and the MAX9108 provides quad channels, the MAX9109 is configured as a single-channel device. This family is optimized for systems powered from a single +5V supply.
Replacement Considerations
The MAX9109 is documented as a higher-speed, lower-power upgrade to the MAX909. Designers replacing legacy MAX909 components should verify pinout compatibility and electrical parameter alignment with the MAX9109EXT+T specifications.
