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Texas Instruments TLV2381IDBVRG4
- Part No.:
- TLV2381IDBVRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TLV2381IDBVRG4.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,199
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Product details
Overview
TLV2381IDBVRG4 from Texas Instruments is a single-channel micropower rail-to-rail input/output operational amplifier in SOT-23-5 package, featuring 7 µA supply current per channel, 160 kHz gain-bandwidth product, 0.1 V/µs slew rate, and operation from 2.7 V to 16 V supply. It delivers rail-to-rail output swing and ±1.35 V dual-supply capability, making it ideal for ultra-low-power sensor signal conditioning in portable medical devices and smoke detectors.
For engineers reviewing the TLV2381IDBVRG4 datasheet, TLV2381IDBVRG4 pinout, TLV2381IDBVRG4 application, or TLV2381IDBVRG4 equivalent, key selection criteria include its 1 pA input bias current, –40°C to 125°C industrial temperature range, 90 nV/√Hz input noise voltage, and compatibility with single-cell lithium or two-cell rechargeable battery systems.
Technical Context
The TLV2381IDBVRG4 employs BiMOS input stage architecture enabling rail-to-rail common-mode input voltage range (–0.2 V to VS + 0.2 V) and rail-to-rail output swing (within 120 mV of rails at VS = 2.7 V). Its 160 kHz bandwidth is achieved with only 7 µA quiescent current, supporting precision DC-coupled amplification without compromising power efficiency.
It operates across full industrial temperature range (–40°C to 125°C) with guaranteed 4.5 mV max input offset voltage and 74 dB min PSRR at 25°C. The device uses internal compensation for unity-gain stability with capacitive loads up to 50 pF, eliminating need for external compensation in most low-frequency sensor interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 16 V - supports single Li-ion (3.0–4.2 V), dual NiMH (2.4–3.0 V), or wide-range industrial supplies without level-shifting. |
| Quiescent Current | 7 µA per channel - enables multi-year battery life in always-on smoke detectors and wearable medical sensors. |
| Gain-Bandwidth Product | 160 kHz - sufficient for ECG front-end filtering, thermistor signal amplification, and slow-varying process monitoring. |
| Slew Rate | 0.1 V/µs - adequate for <100 Hz physiological signals and power-monitoring feedback loops without distortion. |
| Input Bias Current | 1 pA - minimizes voltage error in high-impedance pH electrode, photodiode, or piezoelectric sensor interfaces. |
| Input Noise Voltage | 90 nV/√Hz at 1 kHz - preserves signal integrity in low-level transducer outputs where SNR is critical. |
| Input Offset Voltage | 4.5 mV max - ensures ≤0.3% gain error in 12-bit ADC front-ends with 1 V full-scale reference. |
Pinout & Package
SOT-23-5 package (DBV), 1.45 mm max height, 5-pin surface-mount outline per JEDEC MO-178. RoHS-compliant, Sn lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Delivers rail-to-rail swing; drives 100 kΩ load with <120 mV headroom at 2.7 V supply. |
| 2 (GND) | Analog ground reference | Common return for input and output; requires low-inductance connection to PCB ground plane. |
| 3 (IN+) | Non-inverting input | Accepts common-mode voltages from –0.2 V to VS + 0.2 V; 1000 GΩ differential input resistance. |
| 4 (VDD) | Positive supply | Supports 2.7–16 V single supply or ±1.35–±8 V dual supply; decoupling requires 0.1 µF ceramic capacitor. |
| 5 (IN–) | Inverting input | High-impedance node; trace length must be minimized to reduce stray capacitance and maintain phase margin. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization with single-supply microcontrollers (e.g., MSP430, STM32L) without external level shifters. |
| 1 pA input bias current | Reduces offset drift in high-Z sensor circuits (e.g., electrochemical gas sensors), eliminating need for guard traces or active guarding. |
| 7 µA supply current per channel | Permits integration into energy-harvesting systems (e.g., solar-powered environmental monitors) with >10-year battery life at 1 Hz sampling. |
| –40°C to 125°C operating range | Validates use in under-hood automotive cabin air quality sensors and industrial motor control feedback paths without derating. |
| Internal unity-gain compensation | Guarantees stability with 50 pF capacitive loads, simplifying design of anti-aliasing filters and driving long PCB traces to remote ADCs. |
Applications
| Portable Medical Devices | Power Monitoring Systems |
|---|---|
Use Scenario: Amplifying low-amplitude bio-potential signals (e.g., ECG, EMG) from dry electrodes in wearable patches. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end with rail-to-rail output driving 12-bit SAR ADC. Use Value: 1 pA input bias current prevents electrode polarization errors; 90 nV/√Hz noise maintains diagnostic SNR for QRS complex detection. | Use Scenario: Conditioning shunt voltage signals in smart circuit breakers for real-time current measurement. IC Role / Device Role / Timing Role: Low-drift, low-power current-sense amplifier feeding isolated sigma-delta modulator. Use Value: 4.5 mV max VIO ensures <0.5% full-scale error over temperature; 7 µA IQ enables continuous monitoring without thermal shutdown. |
| Low-Power Security Sensors | Smoke Detectors |
Use Scenario: Amplifying piezoelectric vibration signals in tamper-detection modules for access control panels. IC Role / Device Role / Timing Role: High-input-impedance charge amplifier with integrated low-pass filter for mechanical shock sensing. Use Value: Rail-to-rail input accepts ±100 mV transducer output; 160 kHz GBW supports transient response analysis up to 10 kHz. | Use Scenario: Signal conditioning for ionization chamber current (pA-level) in residential smoke alarms. IC Role / Device Role / Timing Role: Ultra-low-IIB transimpedance amplifier converting chamber current to measurable voltage. Use Value: 1 pA IIB eliminates baseline drift during 10-year service life; 2.7 V min supply allows direct connection to alkaline battery stack. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA349AIDBVR | Lower supply current (2 µA) but narrower supply range (1.8–5.5 V); 300 nV/√Hz higher input noise. | Restricted to 3.3 V systems; unsuitable for 12 V industrial monitoring or dual-cell battery operation. | Select when ultra-low power dominates over noise and supply flexibility. |
| TLV27L1CDBV | Higher quiescent current (11 µA); no rail-to-rail output; 10 mV max VIO. | Limited output swing reduces dynamic range in low-voltage ADC interfaces; higher offset degrades accuracy in precision shunt sensing. | Choose only if legacy design reuse mandates TLC27Lx footprint compatibility. |
Compared with OPA349AIDBVR and TLV27L1CDBV, TLV2381IDBVRG4 uniquely balances 7 µA supply current, rail-to-rail I/O, 2.7–16 V operation, and 90 nV/√Hz noise-making it optimal for battery-powered industrial sensors requiring both precision and longevity.
Availability
TLV2381IDBVRG4 is available at Aetrix Electronics and suitable for portable medical devices, power monitoring systems, and low-power security detection systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2381IDBVRG4 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 over 50 years of innovation in precision amplifiers and low-power signal chains.
The TLV238x family was designed specifically for ultra-low-power, rail-to-rail sensor interface applications in harsh environments-targeting portable diagnostics, industrial safety systems, and battery-operated environmental monitors.
FAQ
What is the maximum junction temperature specification for TLV2381IDBVRG4?
The absolute maximum junction temperature for TLV2381IDBVRG4 is 150°C, as specified in the Absolute Maximum Ratings table. This limit applies across the full –40°C to 125°C ambient operating range, with thermal dissipation governed by θJA = 324.1°C/W for the SOT-23-5 package. Derating is required above 85°C ambient to maintain reliability.
Does TLV2381IDBVRG4 support dual-supply operation?
Yes, TLV2381IDBVRG4 supports dual-supply operation from ±1.35 V to ±8 V, as explicitly stated in the Recommended Operating Conditions table. This enables use in traditional op-amp configurations with split supplies while retaining rail-to-rail input/output performance and 7 µA per-channel quiescent current.
What is the input common-mode voltage range for TLV2381IDBVRG4?
The input common-mode voltage range for TLV2381IDBVRG4 is –0.2 V to VS + 0.2 V, confirmed in the Electrical Characteristics table. This rail-to-rail input capability allows direct interfacing with sensors whose output spans near ground or near supply, such as resistive bridge elements or current-output DACs, without external level-shifting circuitry.
Is TLV2381IDBVRG4 pin-compatible with other SOT-23-5 op-amps like MCP6001?
No, TLV2381IDBVRG4 is not pin-compatible with MCP6001. While both use SOT-23-5 packages, TLV2381IDBVRG4 assigns Pin 1 to OUT, Pin 2 to GND, Pin 3 to IN+, Pin 4 to VDD, and Pin 5 to IN–, whereas MCP6001 uses Pin 1 to OFFSET, Pin 2 to IN–, Pin 3 to IN+, Pin 4 to GND, and Pin 5 to VDD - requiring PCB redesign for substitution.
What packaging and reel specifications apply to TLV2381IDBVRG4?
TLV2381IDBVRG4 is supplied in SOT-23-5 (DBV) package with tape-and-reel packaging: 3000 units per 180 mm diameter reel, 8.4 mm reel width, Q3 quadrant pin-1 orientation, and 4.0 mm pitch. The part marking is "VBKI", and it meets RoHS compliance with Sn lead finish and MSL Level-1 rating.
TLV2381IDBVRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.06V/µs
- Gain Bandwidth Product:
- 160 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 7µA
- Current - Output / Channel:
- 400 µA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TLV2381IDBVRG4 FAQ
1.How can I place an order for TLV2381IDBVRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2381IDBVRG4 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 TLV2381IDBVRG4 reliable?
The price and inventory of TLV2381IDBVRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2381IDBVRG4 is usually 5 days.
3.What payment methods are accepted for TLV2381IDBVRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2381IDBVRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2381IDBVRG4?
TLV2381IDBVRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2381IDBVRG4 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 TLV2381IDBVRG4?
For technical support, including TLV2381IDBVRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2381IDBVRG4 requirements.
6.How does Aetrix verify that TLV2381IDBVRG4 is sourced from the original manufacturer or authorized distributors?
All TLV2381IDBVRG4 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 TLV2381IDBVRG4 meets industry standards.
7.What is the process for return or replacement of TLV2381IDBVRG4?
All TLV2381IDBVRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLV2381IDBVRG4, 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 TLV2381IDBVRG4 part is unused and in its original packaging.
Return procedure for TLV2381IDBVRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV2381IDBVRG4 Tags
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