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Analog Devices Inc. LT6700IS6-2#TRPBF
- Part No.:
- LT6700IS6-2#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Comparators
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LT6700IS6-2#TRPBF.pdf
- Description:
- IC COMPARATR 2 W/VOLT REF TSOT23
- Quantity:
- Payment:
- Shipping:
Inventory:1,959
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Product details
Overview
LT6700IS6-2#TRPBF from Analog Devices is a micropower dual comparator with integrated 400mV reference, designed for low-voltage system monitoring in industrial and automotive applications. It features two inverting inputs, open-collector outputs rated to 18V, 6.5µA typical supply current at 5V, ±10nA max input bias current, and internal 6.5mV typical hysteresis - enabling robust threshold detection in battery-powered sensors and power rails.
For engineers reviewing the LT6700IS6-2#TRPBF datasheet, LT6700IS6-2#TRPBF pinout, LT6700IS6-2#TRPBF application, or LT6700IS6-2#TRPBF equivalent, this device supports precise low-power voltage monitoring across wide supply (1.4V–18V) and temperature (–40°C to +85°C) ranges, with guaranteed performance over industrial-grade operating conditions and AEC-Q100-compliant variants available.
Technical Context
The LT6700IS6-2#TRPBF implements two independent comparators, each with one externally accessible inverting input and the other internally tied to a precision 400mV reference. Its Over-The-Top® input architecture allows input voltages up to 18V regardless of supply voltage, supporting level-shifted sensing in mixed-supply systems.
Both open-collector outputs sink ≥5mA and tolerate up to 18V off-state voltage, enabling direct interface with higher-voltage logic or relay drivers. Internal hysteresis eliminates external feedback components, simplifying design while ensuring stable switching under noisy conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.4V to 18V - enables operation from single-cell Li-ion or alkaline batteries up to industrial 12V/15V rails. |
| Quiescent Current | 6.5µA typ at 5V - supports multi-year battery life in always-on monitoring circuits. |
| Reference Accuracy | ±1.25% max total threshold error at 25°C - ensures reliable trip-point consistency without calibration. |
| Hysteresis | 6.5mV typ - suppresses chatter on slow-rising/falling signals without external resistor networks. |
| Input Bias Current | ±10nA max - minimizes loading error on high-impedance divider networks (e.g., >1MΩ). |
| Output Sink Capability | >5mA over temperature - directly drives LEDs, small relays, or logic-level MOSFET gates. |
| Operating Temperature | –40°C to +85°C - qualified for industrial control and automotive cabin electronics. |
Pinout & Package
LT6700IS6-2#TRPBF is housed in a 6-lead plastic TSOT-23 (S6) package, 2.9mm × 1.6mm × 1.0mm profile, with exposed pad not present. Pin 1 is OUTA; pin 2 is GND; pin 3 is –INA; pin 4 is –INB; pin 5 is VS; pin 6 is OUTB.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUTA (Pin 1) | Open-collector output of Comparator A | Sinks current when –INA falls below 400mV; supports pull-up to up to 18V independent of VS. |
| GND (Pin 2) | Ground reference and reference low-side return | Common return for internal 400mV reference and all circuit paths; must be low-impedance. |
| –INA (Pin 3) | Inverting input of Comparator A | Voltage applied here is compared against internal 400mV reference; accepts –0.3V to 18V range. |
| –INB (Pin 4) | Inverting input of Comparator B | Second independent inverting input; identical voltage range and reference tie as –INA. |
| VS (Pin 5) | Core supply voltage | Powers comparator core and reference; decoupling capacitor recommended near this pin. |
| OUTB (Pin 6) | Open-collector output of Comparator B | Independent output mirroring OUTA behavior; enables dual-threshold or redundant monitoring. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 400mV reference | Eliminates external reference IC or resistor divider, reducing BOM count and layout area. |
| Over-The-Top® input capability | Allows input sensing above VS (up to 18V), enabling direct battery or bus voltage monitoring without level shifters. |
| Internal hysteresis | 6.5mV typical - removes need for external positive feedback resistors and associated noise sensitivity. |
| Open-collector outputs | Supports wired-OR logic, level translation, and direct interface with 3.3V/5V/12V loads without additional drivers. |
| Low input bias current | ±10nA max - preserves accuracy in high-resistance voltage dividers used for high-voltage scaling. |
Applications
| Battery Voltage Monitor | Power Rail Supervisor |
|---|---|
|
Use Scenario: Monitoring single-cell Li-ion (2.7V–4.2V) or alkaline (0.9V–1.6V) battery voltage to trigger low-battery warning or shutdown. IC Role / Device Role / Timing Role: Dual comparator compares scaled battery voltage against upper and lower thresholds using internal 400mV reference. Use Value: Enables accurate, low-power state-of-charge estimation with no external reference or trimming required. |
Use Scenario: Detecting undervoltage or overvoltage conditions on 3.3V, 5V, or 12V system rails in PLCs or motor controllers. IC Role / Device Role / Timing Role: Configured as window comparator (with external resistive scaling) to assert fault flag if rail deviates beyond ±5%. Use Value: Guarantees system reliability via fast, hysteresis-stabilized response without microcontroller intervention. |
| Industrial Sensor Interface | Automotive Cabin Control |
|
Use Scenario: Converting analog sensor outputs (e.g., thermistor, pressure transducer) into digital alerts for HVAC or safety systems. IC Role / Device Role / Timing Role: Compares conditioned sensor voltage against fixed thresholds; outputs drive optocouplers or MCU GPIOs. Use Value: Provides deterministic, low-drift threshold detection across –40°C to +85°C with <1.25% total error. |
Use Scenario: Monitoring 12V battery health and ignition status in dashboard instrumentation or infotainment modules. IC Role / Device Role / Timing Role: One comparator detects cranking undervoltage (<9V); second monitors post-cranking recovery (>13.2V). Use Value: Supports AEC-Q100-compliant designs with guaranteed operation over full automotive temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual comparator with reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT6700IS6-1#TRPBF | Features one inverting (–INA) and one noninverting (+INB) input - enables true window comparator topology with single-ended inputs. | Better suited for applications requiring simultaneous high/low threshold detection on same signal (e.g., battery charge window). | Select LT6700IS6-1#TRPBF when input polarity flexibility is needed to implement window or zero-crossing detection without external inversion. |
| TLV3702IDR | Single-supply dual comparator with 1.8V–16V range, no integrated reference, 800nA quiescent current, but requires external reference or resistor network. | Lacks internal reference and hysteresis - increases component count and layout complexity for precision thresholding. | Choose TLV3702IDR only when ultra-low quiescent current (<1µA) is prioritized over integration and ease of use. |
Compared with LT6700IS6-2#TRPBF, the LT6700IS6-1#TRPBF offers complementary input polarity for window configurations, while TLV3702IDR trades integration for lower IQ - making LT6700IS6-2#TRPBF optimal for space-constrained, reference-free, hysteresis-enabled monitoring where 6.5µA IQ is acceptable.
Availability
LT6700IS6-2#TRPBF is available at Aetrix Electronics and suitable for industrial control systems, automotive cabin electronics, and battery-powered sensor nodes requiring stable component supply across extended temperature and long product lifecycles.
Supply support for LT6700IS6-2#TRPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LT6700 family was engineered specifically for low-power, high-accuracy voltage monitoring in resource-constrained embedded systems - emphasizing micropower operation, integrated references, and rugged input/output interfaces.
FAQ
What is the function of the internal 400mV reference in LT6700IS6-2#TRPBF?
The internal 400mV reference serves as the fixed comparison threshold for both comparators in LT6700IS6-2#TRPBF. Each comparator's non-inverting input is hardwired to this reference, while the external inverting inputs (–INA and –INB) accept user signals. This architecture enables direct low-voltage threshold detection without external reference components, reducing design complexity and improving accuracy stability over temperature.
Can LT6700IS6-2#TRPBF operate with a 1.4V supply voltage?
Yes, LT6700IS6-2#TRPBF is fully specified to operate down to 1.4V supply voltage. At this minimum VS, it maintains functional comparator operation, 6.5mV typical hysteresis, and ≤10nA input bias current - making it suitable for single-cell primary battery applications where supply headroom is extremely limited.
What does "inverting input" mean for LT6700IS6-2#TRPBF, and how does it affect circuit design?
In LT6700IS6-2#TRPBF, both external inputs (–INA and –INB) are inverting: the output goes low when the input voltage exceeds the 400mV internal reference. This means designers must apply the monitored signal directly to these pins - no external inversion is needed. For rising-edge detection (e.g., overvoltage alert), the signal connects as-is; for falling-edge detection (e.g., undervoltage), the same pin configuration applies with threshold selection.
Is LT6700IS6-2#TRPBF pin-compatible with other LT6700 variants like LT6700IS6-3#TRPBF?
No, LT6700IS6-2#TRPBF is not pin-compatible with LT6700IS6-3#TRPPBF in terms of input polarity - though physical pinout (SOT-23) and terminal assignments are identical. LT6700IS6-3#TRPBF has two noninverting inputs (+INA, +INB), so swapping them requires circuit redesign to maintain correct logic polarity. Always verify input configuration before substitution.
Does LT6700IS6-2#TRPBF support AEC-Q100 qualification?
LT6700IS6-2#TRPBF itself is an industrial-grade part (–40°C to +85°C), but Analog Devices offers AEC-Q100-qualified automotive variants under the LT6700HVHS6-2#WTRPBF designation. While LT6700IS6-2#TRPBF shares the same core design and functionality, only the HVHS6-2#W suffix parts undergo automotive-specific stress testing and reliability validation per AEC-Q100 Rev H.
LT6700IS6-2#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Series:
- Over-The-Top®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- with Voltage Reference
- Number of Elements:
- 2
- Output Type:
- Open-Collector
- Voltage - Supply, Single/Dual (±):
- 1.4V ~ 18V
- :
- -
- Voltage - Input Offset (Max):
- 0.01µA @ 18V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 17µA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- 29µs
- Propagation Delay (Max):
- 11.5mV
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- TSOT-23-6
LT6700IS6-2#TRPBF FAQ
1.How can I place an order for LT6700IS6-2#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6700IS6-2#TRPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LT6700IS6-2#TRPBF reliable?
The price and inventory of LT6700IS6-2#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6700IS6-2#TRPBF is usually 5 days.
3.What payment methods are accepted for LT6700IS6-2#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6700IS6-2#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6700IS6-2#TRPBF?
LT6700IS6-2#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6700IS6-2#TRPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LT6700IS6-2#TRPBF?
For technical support, including LT6700IS6-2#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6700IS6-2#TRPBF requirements.
6.How does Aetrix verify that LT6700IS6-2#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT6700IS6-2#TRPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LT6700IS6-2#TRPBF meets industry standards.
7.What is the process for return or replacement of LT6700IS6-2#TRPBF?
All LT6700IS6-2#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6700IS6-2#TRPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LT6700IS6-2#TRPBF part is unused and in its original packaging.
Return procedure for LT6700IS6-2#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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