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Product Detailed Parameters
- Description：IC COMPARATOR 2 W/LATCH 14SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：with Latch
- Number of Elements：2
- Output Type：TTL
- Voltage - Supply, Single/Dual (±)：5V ~ 10V, ±2.5V ~ 5V
- Voltage - Input Offset (Max)：4mV @ ±5V
- Current - Input Bias (Max)：10µA @ ±5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：8mA, 6mA, 3mA
- CMRR, PSRR (Typ)：82.5dB CMRR, 80dB PSRR
- Propagation Delay (Max)：-
- 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 MAX902ESD+T is a dual-channel, high-speed, low-power voltage comparator from the MAX900–MAX903 series. It features differential analog inputs and TTL-logic outputs with active internal pull-ups. The device includes independent TTL-compatible latch inputs to hold output states. It supports separate analog and digital power supplies or a single combined supply. Typical propagation delay is 8ns at 5mV overdrive. Power consumption is 18mW per comparator at +5V. Operating temperature range is -40°C to +85°C.
Feature Summary
- Features fast propagation delay of 8ns typical for high-speed data discrimination.
- Includes independent TTL-compatible latch inputs to hold comparator output states.
- Supports flexible analog supply ranging from +5V to +10V or ±5V.
- Analog input common-mode range includes the negative supply rail.
Applications
- High-speed A/D converters
- Line receivers
- Voltage-to-frequency (V/F) converters
- Threshold detectors
Procurement Notes
Verify the specific suffix 'ESD' corresponds to the -40°C to +85°C temperature range and SOIC-14 package. Confirm RoHS compliance status via official documentation. Check for availability as the component may be subject to discontinuation or limited stock conditions.
Selection Notes
Select this part for applications requiring dual comparators with latching capability. Ensure the design accommodates separate analog and digital supplies if noise isolation is required. Verify that the TTL-compatible output levels match the downstream logic requirements.
Part Context
The MAX902 is part of the MAX900–MAX903 family of high-speed, low-power voltage comparators. This family offers single, dual, and quad configurations. The MAX902 specifically provides two channels with latch functionality, distinguishing it from the non-latch MAX901.
Replacement Considerations
The datasheet notes the MAX900 was manufactured by an outside foundry using an unavailable process. For newer designs with half the power dissipation, consider the MAX9201/MAX9202/MAX9203 series.
