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Texas Instruments TLV2401IDR
- Part No.:
- TLV2401IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2401IDR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,026
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Product details
Overview
TLV2401IDR from Texas Instruments is a single-channel, rail-to-rail input/output micro-power operational amplifier with reverse battery protection up to 18 V. It delivers 880 nA supply current per channel, 5.5 kHz gain bandwidth, and operates from 2.5 V to 16 V supply - enabling use in Li-ion–powered sensor front-ends and ultra-low-power data acquisition systems.
For engineers reviewing the TLV2401IDR datasheet, TLV2401IDR pinout, TLV2401IDR application, or TLV2401IDR equivalent, key selection criteria include its sub-1-µA quiescent current, ±100 mV beyond-rail input range (–0.1 V to VCC + 5 V), 390 µV typical offset voltage, reverse-battery fault resilience, and SOT-23-5 packaging for space-constrained designs.
Technical Context
The TLV2401IDR employs a hybrid PNP/NPN input stage enabling true rail-to-rail input operation and over-the-rail capability up to VCC + 5 V. Its internal reverse-battery protection circuit limits supply current to <100 nA under –18 V VCC, preventing damage during incorrect battery installation.
DC precision is maintained via 120 dB CMRR, 130 V/mV open-loop gain at 2.7 V, and low input bias current (100 pA typ at 25°C). The device is specified across –40°C to 125°C (I-suffix) and supports stable operation with capacitive loads up to 100 pF, achieving 60° phase margin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply current | 880 nA/channel - enables multi-year battery life in always-on IoT sensors and portable medical monitors |
| Input offset voltage | 390 µV typ - ensures <1 mV error in high-gain signal conditioning without trimming |
| Gain bandwidth product | 5.5 kHz - suitable for DC-coupled sensor amplification and slow-settling precision filters |
| Input common-mode range | –0.1 V to VCC + 5 V - allows direct interfacing to transducers biased above supply (e.g., thermocouples, pH electrodes) |
| Reverse battery protection | Up to –18 V - eliminates need for external series diode or protection IC in battery-powered equipment |
| Output drive | ±200 µA - sufficient to drive 100-kΩ feedback networks and 500-kΩ loads while maintaining rail-to-rail swing |
| Operating temperature | –40°C to 125°C - qualified for industrial automation, automotive body electronics, and downhole sensing |
Pinout & Package
TLV2401IDR is housed in a 5-pin SOT-23 package (DBV), with exposed pad not electrically connected. Thermal resistance θJA = 324.1°C/W enables operation at full ambient range with minimal derating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN–) | Inverting input | Differential node accepting feedback; supports rail-to-rail common-mode range and over-the-rail inputs |
| 2 (IN+) | Non-inverting input | High-impedance sensor interface node; draws only 100 pA bias current at 25°C |
| 3 (GND) | Analog ground reference | Primary return path for input bias currents and output load; must be tied to clean system ground plane |
| 4 (OUT) | Amplifier output | Rail-to-rail capable output driving resistive or light capacitive loads; 2.65 V high-level swing at 2.7 V supply |
| 5 (VCC) | Positive supply | Single-supply input supporting 2.5–16 V; reverse-battery protected up to –18 V |
Key Features
| Feature | Design Value |
|---|---|
| Micro-power operation | 880 nA/channel enables >10-year battery life in coin-cell–powered devices like smoke detectors and wearable health monitors |
| Rail-to-rail I/O | Full dynamic range utilization from 0 V to VCC on both input and output - maximizes ADC resolution in low-voltage systems |
| Over-the-rail input | Inputs functional up to VCC + 5 V - eliminates level-shifting for sensors with floating grounds or higher bias voltages |
| Reverse battery immunity | Survives –18 V supply reversal with <100 nA leakage - removes need for external protection diodes in handheld tools and remote sensors |
| Industrial temperature grade | Specified from –40°C to 125°C - supports deployment in engine control units, smart meters, and factory-floor instrumentation |
Applications
| Gas Sensor Signal Conditioning | Portable ECG Front-End |
|---|---|
Use Scenario: Amplifying low-level current output (nA–µA) from electrochemical gas cells operating at 3.3 V with Li-ion backup. IC Role / Device Role / Timing Role: Precision transimpedance amplifier with rail-to-rail output driving 12-bit SAR ADC reference buffer. Use Value: 390 µV offset and 880 nA supply current ensure <0.5% measurement error and >5-year battery runtime without calibration. | Use Scenario: Biopotential amplification in disposable patch-style ECG monitors powered by CR2032 coin cell. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer with over-the-rail input handling electrode offset drift. Use Value: –0.1 V to VCC + 5 V input range accommodates ±300 mV DC electrode offsets; 120 dB CMRR rejects 50/60 Hz interference. |
| Smart Meter Current Sensing | Industrial Thermocouple Interface |
Use Scenario: Isolated shunt-based current measurement in 3-phase utility meters with 2.7 V MCU supply. IC Role / Device Role / Timing Role: Low-drift, low-power difference amplifier feeding isolated sigma-delta modulator. Use Value: 1500 µV max VIO over –40°C to 125°C ensures <0.1% energy billing accuracy across temperature extremes. | Use Scenario: Cold-junction compensation and linearization of Type-K thermocouple outputs in programmable logic controllers. IC Role / Device Role / Timing Role: Rail-to-rail input op-amp buffering thermistor network and amplifying thermocouple differential voltage. Use Value: Input range extending 5 V above VCC allows direct connection to unregulated 12 V sensor excitation rails without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2401CDR | Commercial-grade (0°C to 70°C); identical electrical specs except wider VIO max (1500 µV) and no extended temp qualification | Suitable only for consumer-grade portable instruments and non-critical industrial controls | Select TLV2401CDR only when ambient operating temperature remains within 0°C–70°C and cost sensitivity outweighs long-term reliability requirements |
| LTC1540CS5#TRMPBF | Higher supply current (600 nA vs 880 nA), lower GBW (2.5 kHz), no reverse-battery protection, but includes integrated reference and comparator | Better suited for supervisory functions (e.g., battery low-voltage detection) than precision analog signal conditioning | Choose LTC1540 only when combining comparator + reference + op-amp functionality justifies trade-offs in input range and protection features |
Compared with TLV2401CDR and LTC1540CS5#TRMPBF, TLV2401IDR uniquely combines industrial temperature range, reverse-battery protection, and over-the-rail input capability - making it the sole option for ruggedized battery-powered instrumentation requiring guaranteed performance from –40°C to 125°C.
Availability
TLV2401IDR is available at Aetrix Electronics and suitable for gas sensing, portable biometric monitoring, smart metering, and industrial temperature measurement requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2401IDR 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 amplifiers and low-power signal chains.
The TLV240x family was designed specifically for ultra-low-power, high-accuracy sensor interface applications in battery-operated and harsh-environment systems - emphasizing reverse-fault resilience, rail-to-rail operation, and extended temperature performance.
FAQ
What is the maximum supply voltage rating for TLV2401IDR?
The absolute maximum supply voltage for TLV2401IDR is 17 V. However, the recommended operating range is 2.5 V to 16 V. Operation above 16 V risks parametric degradation or permanent damage, even if within absolute maximum ratings. Reverse supply voltage tolerance is –18 V, with supply current limited to <100 nA at 25°C under that condition.
Does TLV2401IDR support rail-to-rail input and output simultaneously?
Yes, TLV2401IDR supports true rail-to-rail input and output operation. Its input common-mode range extends from –0.1 V to VCC + 5 V, and its output swings within 180 mV of each rail under 50 µA load. This allows full utilization of supply headroom in single-supply configurations - critical for maximizing dynamic range in low-voltage ADC interfaces.
Can TLV2401IDR be used with input signals exceeding the positive supply rail?
Yes, TLV2401IDR accepts input voltages up to VCC + 5 V without damage or phase inversion. This over-the-rail capability stems from its dual-input-stage architecture (PNP + NPN followers). While input bias current increases above VCC, the device maintains functionality - enabling direct interfacing with sensors or transducers referenced to higher potentials, such as 5 V or 12 V bias rails.
What is the typical input offset voltage of TLV2401IDR and how does it vary with temperature?
The typical input offset voltage of TLV2401IDR is 390 µV at 25°C, with a maximum of 1500 µV across the full –40°C to 125°C range. Its offset voltage drift is 3 µV/°C, meaning total offset variation due to temperature is approximately ±375 µV over the industrial range - well within design margins for most precision sensor applications requiring <1 mV total error.
Is TLV2401IDR pin-compatible with other members of the TLV240x family?
No, TLV2401IDR is not pin-compatible with TLV2402 or TLV2404. As a single-channel device in SOT-23-5, it has a unique 5-pin configuration (IN–, IN+, GND, OUT, VCC). TLV2402 (dual) uses 8-pin MSOP or SOIC, and TLV2404 (quad) uses 14-pin TSSOP or SOIC. Pinouts differ fundamentally - substitution requires PCB redesign unless using socket adapters or discrete replacements.
TLV2401IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.0025V/µs
- Gain Bandwidth Product:
- 5.5 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 100 pA
- Voltage - Input Offset:
- 390 µV
- Current - Supply:
- 900nA
- Current - Output / Channel:
- 200 µA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2401IDR FAQ
1.How can I place an order for TLV2401IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2401IDR 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 TLV2401IDR reliable?
The price and inventory of TLV2401IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2401IDR is usually 5 days.
3.What payment methods are accepted for TLV2401IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2401IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2401IDR?
TLV2401IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2401IDR 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 TLV2401IDR?
For technical support, including TLV2401IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2401IDR requirements.
6.How does Aetrix verify that TLV2401IDR is sourced from the original manufacturer or authorized distributors?
All TLV2401IDR 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 TLV2401IDR meets industry standards.
7.What is the process for return or replacement of TLV2401IDR?
All TLV2401IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2401IDR, 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 TLV2401IDR part is unused and in its original packaging.
Return procedure for TLV2401IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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