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Product Detailed Parameters
- Description：IC COMPARATOR 2 W/LATCH 16SSOP
- Series：UltraFast™
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Type：with Latch
- Number of Elements：2
- Output Type：CMOS, Complementary, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：2.4V ~ 12V, ±2.4V ~ 6V
- Voltage - Input Offset (Max)：5mV @ 5V
- Current - Input Bias (Max)：5µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：22mA
- CMRR, PSRR (Typ)：75dB CMRR, 85dB PSRR
- Propagation Delay (Max)：6ns
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：16-SSOP
- Grade：-
- Qualification：-
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Overview
The LT1712CGN#TRPBF is a dual UltraFast comparator featuring rail-to-rail inputs and complementary outputs. It operates on single supplies from 2.4V to 12V or dual supplies of ±2.4V to ±6V. The device includes an internal latch for data retention and offers propagation delays of 4.5ns at 20mV overdrive. Inputs extend beyond supply rails without phase reversal, and outputs interface directly with TTL/CMOS logic.
Feature Summary
- Rail-to-rail input common mode range extends 100mV beyond both supply rails
- Complementary outputs provide direct interface to TTL or CMOS logic circuits
- Internal latch retains output data when the latch pin is held high
- Outputs protected against phase reversal for inputs extending beyond power rails
Applications
- High speed automatic test equipment
- Current sense for switching regulators
- Crystal oscillator circuits
- High speed sampling circuits
- Window comparators
Procurement Notes
Verify the ordering suffix matches the specific package and temperature grade requirements. Confirm that the component meets RoHS3 compliance standards as indicated in official documentation. Ensure the supplier provides valid traceability for the Analog Devices Inc. manufacturer part number LT1712CGN.
Selection Notes
Select this component for applications requiring fast response times and low voltage operation. The dual configuration allows for multiple comparison functions in a single package. Verify that the supply voltage range aligns with system constraints and that the 16-lead narrow SSOP package fits the board layout.
Part Context
This part belongs to the LT1711/LT1712 family of UltraFast comparators designed for ease of use in various systems. The LT1712 specifically provides two independent comparators in a 16-lead narrow SSOP package, optimized for 3V and 5V power supplies while maintaining high-speed performance characteristics.
Replacement Considerations
LT1712CMS8#TRPBF
FAQ
How does the input common mode range behave relative to the supply rails?
The rail-to-rail input common mode range extends 100mV beyond both the positive and negative supply rails.
What is the function of the LATCH ENABLE pin?
Holding the latch pin high enables the internal latch to retain the current input data at the output pins.
