My Inquiry
My Account
Texas Instruments TLV3401CDR
- Part No.:
- TLV3401CDR
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- -
- Datasheet:
-
TLV3401CDR.pdf
- Description:
- SINGLE COMPARATOR
- Quantity:
- Payment:
- Shipping:
Inventory:4,960
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TLV3401CDR from Texas Instruments is a single-channel nanopower comparator with open-drain CMOS output, designed for ultra-low-quiescent-current sensing in battery-powered systems. It delivers 470 nA supply current per channel, supports 2.5 V to 16 V supply voltage, features rail-to-rail input common-mode range (–0.1 V to VCC + 5 V), and operates across 0°C to 70°C commercial temperature range in 5-pin SOT-23 package.
For engineers reviewing the TLV3401CDR datasheet, TLV3401CDR pinout, TLV3401CDR application, or TLV3401CDR equivalent, this page provides verified technical context, validated pin functions, real-world use cases in low-power sensing, and confirmed alternative options for design continuity and sourcing flexibility.
Technical Context
The TLV3401CDR implements a precision comparator core with input offset voltage of 250 µV (typ) and 3600 µV (max) at 25°C, enabling accurate threshold detection even under weak signal conditions. Its input bias current is as low as 80 pA (typ), minimizing loading on high-impedance sensor nodes.
It uses an open-drain CMOS output stage compatible with external pull-up voltages up to 18 V, supporting level-shifting and wired-OR logic configurations. Reverse battery protection up to 18 V ensures robustness against polarity reversal during field deployment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 470 nA per channel at 25°C - enables multi-year operation on coin-cell batteries in always-on monitoring circuits. |
| Input Common-Mode Range | –0.1 V to VCC + 5 V - allows direct sensing of signals beyond supply rails, e.g., battery voltage monitoring above VCC. |
| Supply Voltage Range | 2.5 V to 16 V - supports single-supply operation from Li-ion cells up to industrial 12 V rails. |
| Input Offset Voltage | 250 µV typical, 3600 µV max at 25°C - defines minimum detectable voltage differential in precision threshold applications. |
| Propagation Delay | 55 µs (tPHL), 80 µs (tPLH) at 50 mV overdrive - sets response speed for slow-varying inputs like temperature or light sensors. |
| Output Type | Open-drain CMOS - permits flexible pull-up to any voltage ≤18 V, enabling interface with mixed-voltage logic domains. |
| Operating Temperature | 0°C to 70°C - qualified for commercial-grade embedded systems including portable instrumentation and consumer electronics. |
Pinout & Package
TLV3401CDR is housed in a 5-pin SOT-23 (DBV) package with 1.6 mm × 2.9 mm footprint and 1.1 mm height, optimized for space-constrained PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - IN− | Inverting input | Accepts reference or feedback signal; high-impedance node (80 pA bias current) minimizes loading on resistive dividers. |
| 2 - IN+ | Non-inverting input | Receives sensed signal; supports common-mode range extending 5 V above VCC for overvoltage-tolerant monitoring. |
| 3 - GND | Analog ground reference | Return path for input and output stages; must be connected directly to system ground plane to maintain offset stability. |
| 4 - OUT | Open-drain output | Drains current when asserted low; requires external pull-up resistor to define logic-high level and sink capability (≤10 mA). |
| 5 - VCC | Positive supply | Power input for internal circuitry; reverse-battery protected up to –18 V, safeguarding against incorrect installation. |
Key Features
| Feature | Design Value |
|---|---|
| Nanopower consumption | 470 nA per channel enables >10-year battery life in coin-cell–powered IoT endpoints with wake-on-event architecture. |
| Rail-to-rail input range | –0.1 V to VCC + 5 V allows direct connection to battery terminals or shunt resistors without level-shifting components. |
| Reverse battery protection | Withstands –18 V on VCC, eliminating need for series diode or protection IC in handheld device power inputs. |
| Open-drain output stage | Supports mixed-voltage interfacing (e.g., 3.3 V comparator driving 5 V microcontroller interrupt line via 5 V pull-up). |
| Low input offset drift | 3 µV/°C ensures stable trip points across temperature in environmental monitoring applications without calibration. |
Applications
| Battery Voltage Monitor | Low-Power Window Detector |
|---|---|
Use Scenario: Monitoring Li-ion cell voltage during charging/discharging to trigger cutoff or alert at 3.0 V and 4.2 V thresholds. IC Role / Device Role / Timing Role: Single comparator configured as high-side voltage sense element with resistive divider input and open-drain output driving MCU interrupt pin. Use Value: 470 nA quiescent current extends battery runtime by >30% versus µA-range comparators in always-on monitoring mode. |
Use Scenario: Detecting if sensor output (e.g., thermistor voltage) falls within safe operating band (e.g., 1.2 V–2.8 V) in wearable health devices. IC Role / Device Role / Timing Role: Dual-comparator implementation using two TLV3401CDR units (one for upper, one for lower threshold) with shared pull-up. Use Value: Input common-mode range exceeding rails allows direct connection to ratiometric sensor outputs without op-amp buffering. |
| Smoke Detector Sensing | Industrial Sensor Interface |
Use Scenario: Interpreting ionization chamber current changes in battery-operated smoke alarms requiring decade-long shelf life. IC Role / Device Role / Timing Role: High-impedance comparator front-end amplifying tiny current-to-voltage conversions with minimal loading. Use Value: 80 pA input bias current preserves signal integrity from picoamp-level chamber currents, improving false-alarm immunity. |
Use Scenario: Converting 4–20 mA loop signals to digital alerts in programmable logic controllers with isolated 24 V supplies. IC Role / Device Role / Timing Role: Comparator comparing loop-derived voltage against fixed thresholds, powered from auxiliary 12 V rail. Use Value: 16 V max supply rating and reverse-battery tolerance simplify power domain isolation and field-service robustness. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV3401IDR | Same functionality but rated for –40°C to 125°C industrial temperature range; higher max input offset voltage (4400 µV full-range). | Suitable for automotive cabin modules or industrial controls exposed to extended thermal environments. | Select TLV3401IDR when ambient operating temperature exceeds 70°C or AEC-Q200 qualification is required. |
| TLV3701CDR | Also nanopower (470 nA), but adds push-pull output stage and improved propagation delay (25 µs tPHL); same 2.5–16 V supply range. | Preferred where active-high logic levels or faster response to fast transients (e.g., motor fault detection) are needed. | Choose TLV3701CDR when open-drain is not required and deterministic high-side drive simplifies downstream logic interface. |
Compared with TLV3401CDR, TLV3401IDR extends thermal reliability for harsh environments while TLV3701CDR trades open-drain flexibility for push-pull speed and logic compatibility-both require no PCB redesign but differ in output drive architecture and temperature grading.
Availability
TLV3401CDR is available at Aetrix Electronics and suitable for battery voltage monitoring, low-power window detection, smoke alarm sensing, and industrial 4–20 mA interface applications requiring stable component supply and long-lifecycle support.
Supply support for TLV3401CDR 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
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision signal conditioning and low-power design.
The TLV3401CDR belongs to TI's nanopower comparator product line, engineered specifically for energy-constrained applications such as portable medical devices, wireless sensors, and battery-backed safety systems.
FAQ
What is the maximum supply voltage rating for TLV3401CDR?
The TLV3401CDR has an absolute maximum supply voltage of 17 V, with recommended operating range from 2.5 V to 16 V. This allows reliable use across common battery chemistries (e.g., 3.7 V Li-ion, 9 V alkaline) and industrial 12 V rails. Exceeding 17 V risks permanent damage, and reverse voltage up to –18 V is tolerated due to integrated protection.
Does TLV3401CDR support rail-to-rail input operation?
Yes, TLV3401CDR supports an input common-mode voltage range from –0.1 V to VCC + 5 V, which exceeds the supply rails. This enables direct sensing of signals above VCC (e.g., battery voltage monitoring) or below ground (e.g., current-sense shunt on low-side configuration), eliminating level-shifters in many designs.
What is the output configuration of TLV3401CDR and how should it be used?
TLV3401CDR features an open-drain CMOS output that sinks current when active low and presents high impedance when inactive. It requires an external pull-up resistor to define the logic-high voltage level. This configuration supports wired-OR logic, mixed-voltage interfacing, and compatibility with I²C-style buses - critical for flexible system integration.
How does the 470 nA supply current of TLV3401CDR impact battery life in portable applications?
At 470 nA per channel, TLV3401CDR draws less than 0.5 µA continuously - enabling over 10 years of operation on a standard CR2032 coin cell (220 mAh capacity) in always-on monitoring mode. This nanopower performance directly extends maintenance intervals and reduces replacement costs in remote or inaccessible deployments.
Is TLV3401CDR pin-compatible with other members of the TLV340x family?
No - TLV3401CDR (SOT-23, 5-pin) is not pin-compatible with TLV3402 (dual, 8-pin MSOP/SOIC) or TLV3404 (quad, 14-pin TSSOP/SOIC). Each variant has distinct pin counts and layouts. However, electrical specifications and functional behavior are consistent across the family, enabling scalable design reuse through schematic and layout adaptation.
TLV3401CDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- -
- Number of Elements:
- -
- Output Type:
- -
- Voltage - Supply, Single/Dual (±):
- -
- :
- -
- Voltage - Input Offset (Max):
- -
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- -
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- :
- -
TLV3401CDR FAQ
1.How can I place an order for TLV3401CDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV3401CDR 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 TLV3401CDR reliable?
The price and inventory of TLV3401CDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV3401CDR is usually 5 days.
3.What payment methods are accepted for TLV3401CDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV3401CDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV3401CDR?
TLV3401CDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV3401CDR 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 TLV3401CDR?
For technical support, including TLV3401CDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV3401CDR requirements.
6.How does Aetrix verify that TLV3401CDR is sourced from the original manufacturer or authorized distributors?
All TLV3401CDR 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 TLV3401CDR meets industry standards.
7.What is the process for return or replacement of TLV3401CDR?
All TLV3401CDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV3401CDR, 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 TLV3401CDR part is unused and in its original packaging.
Return procedure for TLV3401CDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV3401CDR Tags
-
LM2903DR
Texas Instruments
-
LM339DR
Texas Instruments
-
LM339PWR
Texas Instruments
-
LM393DT
STMicroelectronics
-
LM2901PWR
Texas Instruments
-
LM2903DT
STMicroelectronics
-
LM393DR
Texas Instruments
-
LM239DR
Texas Instruments
-
LM339APWR
Texas Instruments
-
LM2903P
Texas Instruments
-
LM393ADR
Texas Instruments
-
NCX2200GMAZ
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
