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Analog Devices Inc. LTC6702CDC#TRMPBF
- Part No.:
- LTC6702CDC#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Comparators
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
LTC6702CDC#TRMPBF.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8DFN
- Quantity:
- Payment:
- Shipping:
Inventory:700
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Product details
Overview
LTC6702CDC#TRMPBF from Analog Devices (formerly Linear Technology) is a dual micropower rail-to-rail comparator with internal 4mV hysteresis, operating from 1.7V to 5.5V supply, delivering 500ns max propagation delay and 30μA/comparator quiescent current - ideal for battery-powered threshold detection in compact sensor interfaces.
For engineers reviewing the LTC6702CDC#TRMPBF datasheet, LTC6702CDC#TRMPBF pinout, LTC6702CDC#TRMPBF application, or LTC6702CDC#TRMPBF equivalent, key selection criteria include guaranteed –40°C to 85°C operation, 2mm × 2mm DFN-8 package, input range extending 100mV below ground, CMOS-compatible push-pull outputs, and built-in hysteresis eliminating external feedback components.
Technical Context
The LTC6702CDC#TRMPBF integrates two independent high-speed comparators with CMOS inputs and push-pull CMOS outputs, each featuring 4mV typical internal hysteresis to suppress noise-induced oscillation on slow-moving signals. Its input common-mode range extends from –0.1V to V+ – 1.2V, enabling direct interfacing with sub-ground referenced sensors.
Propagation delay is specified at 500ns maximum over temperature (–40°C to 85°C), with differential skew ≤4ns between channels and toggle frequency up to 3.2MHz. The device uses break-before-make output switching to maintain micropower integrity during transitions, with output drive capability of ±15mA while remaining within 250mV/350mV of GND/V+.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.7V to 5.5V - supports single-cell Li-ion, 3.3V, and 5V systems without level shifting |
| Quiescent Current | 30μA per comparator max - enables multi-year battery life in always-on sensing nodes |
| Propagation Delay | 500ns max (–40°C to 85°C) - ensures timely response in clock regeneration and fast fault detection |
| Input Hysteresis | 4mV typical - eliminates need for external positive feedback in noisy industrial environments |
| Input Voltage Range | –0.1V to V+ – 1.2V - allows direct connection to transducers biased below ground |
| Output Drive | ±15mA, TTL/CMOS compatible - drives logic inputs or small LEDs directly without external buffers |
| Operating Temp | –40°C to 85°C - qualified for extended industrial and automotive cabin applications |
Pinout & Package
Package: 8-lead (2mm × 2mm) plastic DFN with exposed pad (Pin 9 = GND). Requires soldering of exposed pad to PCB for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT A | Comparator A output | Push-pull CMOS output capable of ±15mA; no pull-up required |
| 2 - –IN A | Inverting input A | High-impedance CMOS node; accepts signals down to –0.1V |
| 3 - +IN A | Noninverting input A | High-impedance CMOS node; matches –IN A for precision thresholding |
| 4 - GND | Analog/digital ground | Common reference for inputs, outputs, and exposed pad |
| 5 - +IN B | Noninverting input B | Independent high-Z input for second threshold comparison |
| 6 - –IN B | Inverting input B | Independent high-Z input; supports differential or window configurations |
| 7 - OUT B | Comparator B output | Matched push-pull output with identical drive and timing specs as OUT A |
| 8 - V+ | Positive supply | Single supply input; requires 0.1μF bypass capacitor to GND |
| 9 - Exposed Pad | GND connection | Thermal and electrical ground; must be soldered to PCB copper area |
Key Features
| Feature | Design Value |
|---|---|
| Micropower operation | 30μA/comparator max enables >10-year battery life in coin-cell–powered IoT sensors |
| Rail-to-rail CMOS outputs | Swing within 250mV of GND and 350mV of V+ at ±15mA - eliminates level-shifter ICs |
| Built-in 4mV hysteresis | Stabilizes decision thresholds against EMI and signal noise without external resistors |
| Extended input range | Accepts inputs 100mV below GND - supports current-sense amplifiers and bipolar transducers |
| Low propagation skew | <4ns differential delay between channels - critical for synchronized dual-threshold timing |
Applications
| Battery Voltage Monitor | Window Comparator |
|---|---|
Use Scenario: Monitoring Li-ion cell voltage during charging/discharging to trigger low-voltage cutoff and overvoltage protection. IC Role / Device Role / Timing Role: Dual comparator implements independent high/low thresholds using shared reference; OUT A asserts at 2.1V, OUT B at 2.8V. Use Value: Enables precise, low-power state-of-charge indication with no external hysteresis components or supply rails beyond battery voltage. | Use Scenario: Detecting whether an analog sensor output remains within safe operational bounds (e.g., pressure, temperature). IC Role / Device Role / Timing Role: One comparator monitors upper limit, the other lower limit; logic AND of outputs indicates in-window condition. Use Value: Provides fail-safe monitoring with <500ns response time and sub-10μA total quiescent current - suitable for medical and safety-critical subsystems. |
| Clock Regeneration | Current-Sense Alarm |
Use Scenario: Recovering clean digital clocks from degraded or noisy analog waveforms (e.g., jittery oscillator outputs). IC Role / Device Role / Timing Role: Comparator A shapes input into square wave; internal hysteresis cleans up edge jitter without external RC filtering. Use Value: Achieves up to 3.2MHz toggle rate with 500ns delay stability across temperature - replaces larger, higher-power comparators in timing recovery circuits. | Use Scenario: Detecting overcurrent conditions in dual power rails (e.g., motor drivers, DC-DC converters). IC Role / Device Role / Timing Role: Each comparator monitors shunt voltage across separate sense resistors; outputs drive LEDs or MCU interrupts. Use Value: Supports simultaneous low-side current sensing with 4mV hysteresis rejecting noise from PWM switching edges - eliminates false triggers in high-dV/dt environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT6700IDC#TRMPBF | Integrated 400mV reference; higher 18μs propagation delay; 1.4V–18V supply range | Best for wide-supply systems needing internal reference; unsuitable for sub-2V or <1μs timing-critical use | Select when reference integration reduces BOM count and speed requirements are relaxed |
| LTC1442CMS8#TRPBF | Ultralow 5.7μA quiescent current; open-drain outputs; no internal hysteresis; 8μs delay | Optimized for ultra-long-life battery apps where speed is secondary; requires external hysteresis and pull-ups | Select only when microamp-level current dominates design priority over speed and simplicity |
Compared with LT6700IDC#TRMPBF and LTC1442CMS8#TRPBF, the LTC6702CDC#TRMPBF uniquely balances sub-1μs speed, 30μA power, built-in hysteresis, and rail-to-rail CMOS outputs in a 2mm × 2mm DFN - making it optimal for space-constrained, battery-powered systems requiring deterministic timing and minimal external components.
Availability
LTC6702CDC#TRMPBF is available at Aetrix Electronics and suitable for battery-powered systems, window comparators, threshold detectors, and clock regeneration circuits requiring stable component supply across industrial temperature ranges.
Supply support for LTC6702CDC#TRMPBF 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 acquired Linear Technology in 2017 and maintains its precision analog portfolio with rigorous qualification standards for industrial and automotive applications.
The LTC6702CDC#TRMPBF belongs to Linear's micropower comparator family, designed specifically for space- and energy-constrained applications where speed, low voltage operation, and noise immunity must coexist without external support components.
FAQ
What is the operating temperature range for the LTC6702CDC#TRMPBF?
The LTC6702CDC#TRMPBF is specified for operation from –40°C to 85°C. This grade ('I' suffix in part numbering convention, though marked 'C' in ordering code per Linear's legacy designation) is fully tested and guaranteed across that full industrial range, unlike the commercial-grade LTC6702C (0°C to 70°C). The device's propagation delay, supply current, and hysteresis remain within datasheet limits throughout this span, making LTC6702CDC#TRMPBF suitable for under-hood automotive and factory-floor deployments.
Does the LTC6702CDC#TRMPBF require external hysteresis components?
No, the LTC6702CDC#TRMPBF includes 4mV typical internal hysteresis per comparator, eliminating the need for external positive feedback resistors in most noise-prone applications. This hysteresis is factory-trimmed and stable over temperature, ensuring consistent threshold margin without layout complexity or BOM additions. External hysteresis can still be added via resistor networks if wider switching windows are required - but the LTC6702CDC#TRMPBF functions reliably out-of-the-box for standard threshold detection tasks.
Can the LTC6702CDC#TRMPBF interface directly with 1.8V logic?
Yes, the LTC6702CDC#TRMPBF operates down to 1.7V supply and delivers rail-to-rail CMOS-compatible outputs, meaning its high-level output reaches within 350mV of V+, and low-level output falls within 250mV of GND - even at 1.8V supply. At V+ = 1.8V, VOH ≥ 1.45V and VOL ≤ 0.25V under 15mA load, comfortably exceeding 1.8V logic high/low thresholds. No level-shifting circuitry is needed, simplifying interconnection with modern ultra-low-voltage MCUs and FPGAs.
What is the function of the exposed pad on the LTC6702CDC#TRMPBF DFN package?
On the LTC6702CDC#TRMPBF's 2mm × 2mm DFN package, the exposed pad (Pin 9) is electrically and thermally connected to GND. It must be soldered to a PCB copper pour to ensure proper thermal dissipation and low-impedance grounding. Omitting this connection degrades thermal resistance (θJA increases from 102°C/W to >150°C/W), risks parametric shift at elevated ambient temperatures, and may compromise noise immunity due to elevated ground impedance - all critical for stable comparator operation in the LTC6702CDC#TRMPBF.
How does the LTC6702CDC#TRMPBF handle input voltages below ground?
The LTC6702CDC#TRMPBF supports input voltages as low as –0.1V (100mV below GND) while maintaining valid comparator operation and specified offset/hysteresis performance. Inputs driven further negative (e.g., –0.3V) will forward-bias internal ESD diodes, drawing current - but damage is avoided if input current remains ≤10mA. This capability enables direct interfacing with transducers, current-sense amplifiers, or AC-coupled signals without clamping diodes or level-shifters, preserving signal integrity in the LTC6702CDC#TRMPBF's analog front end.
LTC6702CDC#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-WFDFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- CMOS, Push-Pull, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±):
- 1.7V ~ 5.5V
- :
- 3.5mV @ 3V
- Voltage - Input Offset (Max):
- -
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 32µA
- Current - Quiescent (Max):
- 70dB CMRR, 65dB PSRR
- CMRR, PSRR (Typ):
- 450ns
- Propagation Delay (Max):
- 7.2mV
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-DFN (2x2)
LTC6702CDC#TRMPBF FAQ
1.How can I place an order for LTC6702CDC#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6702CDC#TRMPBF 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 LTC6702CDC#TRMPBF reliable?
The price and inventory of LTC6702CDC#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6702CDC#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6702CDC#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6702CDC#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6702CDC#TRMPBF?
LTC6702CDC#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6702CDC#TRMPBF 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 LTC6702CDC#TRMPBF?
For technical support, including LTC6702CDC#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6702CDC#TRMPBF requirements.
6.How does Aetrix verify that LTC6702CDC#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6702CDC#TRMPBF 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 LTC6702CDC#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6702CDC#TRMPBF?
All LTC6702CDC#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6702CDC#TRMPBF, 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 LTC6702CDC#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6702CDC#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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