LT6703HVIS5-2#TRMPBF: High-Performance Comparator IC by Analog Devices | Features & Applications
LT6703HVIS5-2#TRMPBF: High-Performance Comparator IC by Analog Devices
The LT6703HVIS5-2#TRMPBF from Analog Devices Inc. is a precision comparator IC engineered for reliability and efficiency in voltage-level detection applications. This comprehensive guide explores its specifications, benefits, and real-world use cases to help engineers and designers optimize their projects.
In-Depth Product Analysis
Manufacturer and Technical Classification
- Manufacturer: Analog Devices Inc. (Industry leader in analog/mixed-signal ICs)
- Primary Category: Integrated Circuits (ICs)
- Sub-Category: Linear Comparators
- Alternative Part Numbers: LT6703 series variants
Key Technical Specifications
Electrical Characteristics
| Parameter | Value | Advantage |
|---|---|---|
| Supply Voltage Range | 1.4V - 18V | Works with battery & industrial power systems |
| Quiescent Current | 15 A (max) | Extends battery life in portable devices |
| Input Bias Current | 0.01 A @18V | Minimal signal source loading |
| Propagation Delay | 29 s | Balanced speed for power-sensitive apps |
| Hysteresis | 11.5mV | Built-in noise immunity |
Physical Attributes
- Package Type: TSOT-23-5 (Thin SOT)
- Dimensions: 2.8mm 1.6mm 0.9mm
- Mounting: Surface-mount (SMD)
- Lead Finish: Matte Tin (RoHS compliant)
Advanced Features Breakdown
1. Wide Voltage Range Operation
The 1.4V-18V range enables:
- Single-cell battery monitoring (1.5V)
- 12V automotive systems
- Industrial 15V power rails
2. Ultra-Low Power Design
15 A current consumption benefits:
- IoT edge devices
- Energy harvesting systems
- Always-on monitoring circuits
3. Robust Environmental Performance
- -40 C to +85 C operation
- ESD protection: 2kV HBM
- Moisture Sensitivity Level (MSL): 1
Comparative Analysis
vs. Standard Comparators
| Feature | LT6703HVIS5-2 | Standard Comparator |
|---|---|---|
| Supply Range | 1.4-18V | Typically 2-5V |
| Quiescent Current | 15 A | 50-100 A |
| Hysteresis | Built-in | Requires external components |
Application Circuits
1. Battery Voltage Monitor
Circuit Configuration:
- Connect V+ to battery via resistor divider
- Set threshold with reference voltage
- Open-collector output drives LED/ C
2. Window Comparator
Using two LT6703s to detect voltage bands:
- Upper threshold: 4.5V
- Lower threshold: 3.5V
- Outputs combined via logic
Design Considerations
PCB Layout Guidelines
- Place 0.1 F decoupling capacitor within 5mm
- Minimize trace length to input pins
- Use ground plane for noise reduction
Thermal Management
Despite low power:
- Maintain 10 C/W thermal resistance
- Avoid clustering heat sources
Industry Applications
Automotive Systems
- 12V battery monitoring
- Load-dump protection circuits
Industrial Equipment
- Overvoltage protection
- Motor control feedback
Consumer Electronics
- Smartphone battery management
- Low-power wearable devices
Purchasing Information
Packaging Options
- Tape & Reel (3000 units)
- Sample quantities available
Alternative Parts
- LT6700 series (lower voltage)
- MAX903 (competitive alternative)
Technical Support Resources
- Analog Devices SPICE models
- Evaluation board (DC718)
- Application notes AN-87, AN-849
Conclusion: The LT6703HVIS5-2#TRMPBF sets a new standard for precision comparators with its unique combination of wide voltage range, ultra-low power, and robust packaging. Its versatility makes it indispensable for modern electronic designs across industries.