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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 16SMT
- Series：-
- Mfr：Analog Devices Inc.
- Package：Strip
- Type：General Purpose
- Number of Elements：1
- Output Type：-
- Voltage - Supply, Single/Dual (±)：3.3V
- Voltage - Input Offset (Max)：5mV
- Current - Input Bias (Max)：15µA
- Current - Output (Typ)：40mA
- Current - Quiescent (Max)：8mA
- CMRR, PSRR (Typ)：38dB PSRR
- Propagation Delay (Max)：0.13ns
- Hysteresis：1mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：16-LFQFN Exposed Pad
- Mounting Type：Surface Mount
- Supplier Device Package：16-SMT (3x3)
- Grade：-
- Qualification：-
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Overview
The HMC676LC3C is a SiGe monolithic latched comparator with an RSECL output stage. It features a 10 GHz equivalent input bandwidth and supports 10 Gbps operation. The device provides a typical propagation delay of 100 ps, a minimum pulse width of 60 ps, and 0.2 ps rms random jitter. Overdrive and slew rate dispersion are typically 10 ps. It operates on a +3.3 V supply for the input stage and -3 V for the negative rail, dissipating 120 mW.
Feature Summary
- Features reduced swing ECL (RSECL) output drivers designed to directly drive 400 mV into 50 ohms terminated to -2 V.
- Includes differential latch control inputs allowing configuration in either latch mode or tracking comparator mode.
- Supports resistor-programmable hysteresis via the HYS pin to adjust noise immunity levels.
Applications
- Automated Test Equipment (ATE)
- High Speed Instrumentation
- Digital Receiver Systems
- Pulse Spectroscopy
- Clock & Data Restoration
Procurement Notes
Verify component status as obsolete before procurement. Confirm availability through authorized distributors or secondary markets. Ensure handling precautions for electrostatic sensitive devices are followed during storage and installation. Validate datasheet version compatibility with design requirements.
Selection Notes
Select this component for high-speed applications requiring precise timing and low jitter. Consider the RSECL output interface when designing termination networks. Evaluate power supply requirements (+3.3 V and -3 V) against system constraints. Assess thermal management needs given the 120 mW power dissipation in the SMT package.
Part Context
Manufactured by Analog Devices Inc., originally under Hittite Microwave Corporation. This part belongs to the HMC676 series of ultra-fast comparators. It utilizes a 16-lead 3x3 mm SMT package with alumina body material and gold over nickel lead finish. The device is classified as obsolete.
Replacement Considerations
HMC675LP3E is listed as a similar available substitute.
FAQ
How is the latch mode selected?
Latch mode is selected by driving the LE and LE_bar inputs HI. Track mode is selected by driving them LO or leaving them floating.
What is the function of the HYS pin?
The HYS pin controls hysteresis. It should be left disconnected for zero hysteresis or connected to Vee with a resistor to add desired hysteresis.
