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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 high-speed, low-power dual 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. The analog input common-mode range includes the negative rail for ground sensing. Typical propagation delay is 8ns at 5mV overdrive. Power consumption is approximately 18mW per comparator at +5V.
Feature Summary
- Features fast propagation delay of 8ns typical at 5mV overdrive for high-speed data discrimination.
- Includes independent TTL-compatible latch inputs to hold comparator output states when driven low.
- Supports flexible analog supply ranging from +5V to +10V or ±5V with separate analog and digital supplies.
- Analog input common-mode range includes the negative supply rail, enabling ground sensing on single-supply systems.
Applications
- High-speed A/D converters
- Sampling circuits
- Line receivers
- Voltage-to-frequency (V/F) converters
Procurement Notes
Verify the specific suffix 'ESD' indicates the -40°C to +85°C extended temperature range and SOIC-14 package. Confirm the '+T' designation corresponds to tape-and-reel packaging as specified in the ordering information. Check current availability status as the component may be subject to limited supply or discontinuation notices.
Selection Notes
Select this part for applications requiring dual comparators with latching capability and TTL-compatible outputs. Ensure the design accommodates the required analog supply voltage range of +5V to +10V. Consider the 8ns propagation delay for timing constraints. Verify that the SOIC-14 package fits the PCB layout requirements.
Part Context
The MAX902 is part of the MAX900–MAX903 family of high-speed, low-power voltage comparators manufactured by Maxim Integrated. This family shares similar electrical characteristics but varies in channel count and latch availability. The MAX902 specifically provides two comparators with latches, distinguishing it from the MAX901 which lacks latches.
Replacement Considerations
The datasheet recommends the MAX9201/MAX9202/MAX9203 series as newer pin-for-pin compatible replacements offering the same speed with half the power dissipation.
