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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 3DFN
- Series：Over-The-Top®
- Mfr：Analog Devices Inc.
- Package：Tube
- Type：General Purpose
- Number of Elements：1
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：1.4V ~ 18V
- Voltage - Input Offset (Max)：-
- Current - Input Bias (Max)：0.01µA @ 18V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：14µA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：29µs
- Hysteresis：11mV
- Operating Temperature：0°C ~ 70°C
- Package / Case：3-WFDFN Exposed Pad
- Mounting Type：Surface Mount
- Supplier Device Package：3-DFN (2x2)
- Grade：-
- Qualification：-
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Overview
The LT6703CDC-2 is a micropower, low voltage comparator featuring an internal 400mV reference. It operates on a single supply from 1.4V to 18V with a typical quiescent current of 6.5μA at 5V. The device includes built-in hysteresis and offers an inverting input configuration. It utilizes a 3-lead (2mm × 2mm) plastic DFN package and supports specified performance from 0°C to 70°C.
Feature Summary
- Integrates a 400mV reference with an inverting external input for threshold detection
- Operates over a wide supply range from 1.4V to 18V with micropower consumption
- Features Over-The-Top inputs allowing operation up to 36V independent of supply
- Includes internal hysteresis to ensure stable switching under noisy conditions
Applications
- Battery-powered system monitoring
- Threshold detectors
- Window comparators
- Relay driving
- Industrial control systems
Procurement Notes
Verify the specific suffix 'CDC' corresponds to the commercial temperature grade (0°C to 70°C) and the 'DC' indicates the 3-lead DFN package. Confirm that the '#TRMPBF' or similar suffix matches the required tape and reel quantity and lead-free finish status before finalizing orders.
Selection Notes
Select this component when an inverting comparator response is required relative to a fixed 400mV threshold. It is suitable for applications demanding low supply current and high input voltage tolerance. Ensure the operating environment remains within the 0°C to 70°C commercial range; otherwise, consider industrial or automotive variants.
Part Context
This part belongs to the LT6703 family of micropower comparators. It shares architectural similarities with the LT6703-3 but differs in input polarity. The DC package variant provides a compact surface-mount solution compared to larger packages, fitting space-constrained designs while maintaining the series' low power characteristics.
Replacement Considerations
LT6703IDC-2#TRMPBF
FAQ
What is the function of the external input pin?
The external input pin serves as the inverting terminal (-IN). The internal non-inverting terminal is connected to the 400mV reference.
Can the output drive loads above the supply voltage?
Yes, the open-collector output allows the load to be referred to any voltage up to 18V (or 36V for HV versions) independent of the supply voltage.
