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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：with Latch
- Number of Elements：1
- Output Type：CMOS, Complementary, TTL
- Voltage - Supply, Single/Dual (±)：-
- Voltage - Input Offset (Max)：2.5mV @ ±5V
- Current - Input Bias (Max)：0.28µA @ ±5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：800µA
- CMRR, PSRR (Typ)：100dB CMRR, 85dB PSRR
- Propagation Delay (Max)：80ns
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
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Overview
The LT1671CS8#TRPBF is a low-power, single-supply comparator featuring complementary outputs and an internal latch. It operates from a single 5V supply or dual ±5V supplies with a propagation delay of 60ns at 20mV overdrive. The device offers a typical input offset voltage of 0.8mV and draws 450µA positive supply current. It supports CMOS and TTL logic interfaces directly.
Feature Summary
- Complementary outputs designed for direct interface to TTL or CMOS logic
- Internal latch capability for retaining data at the outputs
- Input common mode range extends down to the negative supply rail
- Stable operation without minimum input slew rate requirement
Applications
- High speed A/D converters
- Zero-crossing detectors
- Current sense for switching regulators
- Fast pulse height/width discriminators
- Line receivers
Procurement Notes
Verify the suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. Ensure the component matches the MSOP-8 package specification. Check RoHS compliance status against current datasheet revisions before integration.
Selection Notes
Select this part for applications requiring ground-sensing inputs and low power consumption. It is suitable where single-supply operation is preferred. The internal latch aids in signal retention. Consider thermal limits if operating near maximum junction temperatures.
Part Context
This component belongs to the LT1671 series of comparators. It is pin-compatible with LT1394, LT1016, and LT1116 devices. The series is characterized by high gain and low offset voltage specifications suitable for precision applications.
Replacement Considerations
LT1394
FAQ
Does the LT1671 require a minimum input slew rate?
No, the LT1671 remains stable even for slow transitions through the active region, eliminating the need to specify a minimum input slew rate.
What is the function of the LATCH pin?
The LATCH pin retains input data at the outputs when held high, independent of the current state of the inputs.
