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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：General Purpose
- Number of Elements：2
- 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：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX9107ESA+ is a dual, high-speed, low-power voltage comparator designed for single +5V supply operation. It features a propagation delay of 25ns with 10mV input overdrive and consumes only 1.75mW per comparator. The device offers a wide input common-mode range from 200mV below ground to within 1.5V of the positive rail. Outputs are TTL-compatible without external pullups, and internal hysteresis ensures clean switching. It operates over a temperature range of -40°C to +85°C.
Feature Summary
- Incorporates internal hysteresis to ensure clean output switching even with slow-moving input signals.
- Features TTL-compatible outputs that require no external pullup circuitry.
- Provides a wide input common-mode range extending from 200mV below ground to near the positive supply rail.
Applications
- Battery powered systems
- A/D converters
- Line receivers
- Threshold detectors/discriminators
- Sampling circuits
Procurement Notes
Verify the specific ordering suffix to confirm package type and RoHS compliance status. Ensure the component matches the required pin configuration for the target PCB footprint. Confirm operating temperature range requirements align with the specified -40°C to +85°C limit. Check for any specific handling instructions related to the SO-8 package during assembly.
Selection Notes
Select this component when low power consumption and high speed are critical in a single-supply environment. The dual configuration suits applications requiring two independent comparison channels. Consider the wide input range for signals swinging near or slightly below ground. Verify that TTL-compatible logic levels meet downstream interface requirements without additional buffering.
Part Context
This part belongs to the MAX910x family of comparators, which includes quad and single-channel variants. It serves as an upgrade to older industry-standard models, offering higher speed and lower power. The family shares similar electrical characteristics but varies in channel count and package options to suit different space constraints.
Replacement Considerations
The datasheet identifies the MAX907 as a predecessor model. Verify compatibility regarding pinout and electrical specifications before substitution. Ensure the replacement meets the same propagation delay and power consumption requirements for the specific application design.
FAQ
Does the MAX9107ESA+ include an internal latch?
No, the internal latch feature is exclusive to the MAX9109 variant. The MAX9107 is a dual comparator without latch functionality.
What is the purpose of the internal hysteresis in this device?
The internal hysteresis prevents oscillation in the linear region caused by noise or parasitic feedback, ensuring clean output switching even when driven by slow-moving input signals.
