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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- 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：0°C ~ 70°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 MAX908CSD is a dual 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 offers a wide input common-mode range extending from 200mV below ground to within 1.5V of the positive rail. Outputs are TTL-compatible without external pullups, and inputs/outputs support continuous short-circuit protection.
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.
- Provides input and output short-circuit protection allowing continuous connection to either supply rail without damage.
Applications
- Battery-powered systems
- High-speed A/D converters
- Threshold detectors/discriminators
Procurement Notes
Verify the specific suffix 'CSD' confirms the SO package and commercial temperature range (0°C to +70°C). Confirm the component status as Not Recommended for New Designs due to process availability constraints. Ensure compatibility with existing designs rather than initiating new projects.
Selection Notes
Select this part for applications requiring a balance of speed and low power consumption on a single +5V supply. The dual configuration suits circuits needing two independent comparison channels. Verify that the fixed internal hysteresis meets system noise immunity requirements without external resistor networks.
Part Context
Part of the MAX907/MAX908/MAX909 family of comparators manufactured by Maxim Integrated. The MAX908 specifically provides a quad-channel configuration in 14-pin packages, while the CSD suffix denotes the small-outline package variant.
Replacement Considerations
Contact technical support or consult the datasheet for available Maxim replacements or industry second-sources suitable for existing users.
FAQ
Does the MAX908 include external hysteresis resistors?
No, the device incorporates fixed internal hysteresis, eliminating the need for external resistors.
What is the input common-mode voltage range?
The range extends from 200mV below ground to within 1.5V of the positive supply rail.
