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Texas Instruments LPV801DBVR
- Part No.:
- LPV801DBVR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LPV801DBVR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:5,510
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Product details
Overview
LPV801DBVR from Texas Instruments is a single-channel nanopower operational amplifier designed for ultra-low-power sensing in battery-operated gas detectors, PIR motion sensors, and IoT remote nodes. It delivers 320 nA typical supply current per channel, 3.5 mV maximum offset voltage, 8 kHz unity-gain bandwidth, rail-to-rail output swing within 3.5 mV of rails at 1.8 V, and operates from 1.6 V to 5.5 V.
For engineers reviewing the LPV801DBVR datasheet, LPV801DBVR pinout, LPV801DBVR application, or LPV801DBVR equivalent, this page provides verified technical context, real-world design meaning for key specs, validated pin functions, application-specific implementation insights, and two confirmed alternative options for nanopower sensor signal conditioning.
Technical Context
The LPV801DBVR features a CMOS input stage with 0.1 pA typical input bias current and negative-rail-sensing capability-its common-mode input range extends to V−, enabling true single-supply operation in low-voltage electrochemical sensor front-ends. Its rail-to-rail output stage maintains >99% dynamic range at 1.8 V supply, critical for maximizing ADC resolution in energy-constrained systems.
Internally compensated for unity-gain stability, the device achieves 8 kHz gain-bandwidth with only 320 nA quiescent current. EMI protection is integrated to suppress interference from RF sources (e.g., WiFi, mobile phones), making it suitable for unshielded industrial and consumer sensor modules without external filtering overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 450 nA typical per channel - enables >10-year battery life in coin-cell-powered CO detectors with periodic wake-up sampling. |
| Offset Voltage | 3.5 mV max - ensures sub-10 ppm measurement accuracy in electrochemical gas sensors with 10 kΩ feedback resistors. |
| Unity-Gain Bandwidth | 8 kHz - supports fast transient response in PIR motion detection while maintaining nanopower operation. |
| Input Bias Current | 0.1 pA typical - eliminates leakage-induced error in high-impedance pH or ion-selective electrode interfaces. |
| Rail-to-Rail Output | Swings within 3.5 mV of V+ and V− at 1.8 V/100 kΩ - preserves full-scale ADC utilization in 1.8 V microcontroller systems. |
| Operating Temperature | –40°C to +125°C - qualified for thermostat and automotive cabin air quality monitoring applications. |
| EMI Protection | Integrated circuit-level hardening - reduces need for external ferrites or shielded enclosures in portable medical sensors. |
Pinout & Package
LPV801DBVR is housed in a 5-pin SOT-23 (DBV) package measuring 2.90 mm × 1.60 mm, optimized for space-constrained PCB layouts in wearable and node-level sensor designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Output | Amplified differential signal output; drives transimpedance stage or ADC input with millivolt-level headroom near supply rails. |
| 2 - V− | Negative power supply | Reference ground for single-supply operation; common-mode input extends to this pin, enabling true 0-V sensing. |
| 3 - +IN | Non-inverting input | High-impedance node for reference electrode (RE) connection in potentiostat circuits or sensor bias monitoring. |
| 4 - −IN | Inverting input | Connects to counter electrode (CE) or feedback network; accepts femtoamp-level currents without significant error. |
| 5 - V+ | Positive power supply | Accepts 1.6 V–5.5 V; supports direct connection to Li-SOCl₂, coin cell, or energy-harvesting storage capacitors. |
Key Features
| Feature | Design Value |
|---|---|
| No output reversals | Prevents false triggers in smoke alarm comparators when input transients exceed common-mode range. |
| Negative-rail sensing input | Enables zero-volt referenced sensor interfaces without level-shifting circuitry in thermostats and gas detectors. |
| EMI-hardened architecture | Reduces susceptibility to RF interference from nearby BLE/WiFi modules, eliminating need for layout-level shielding. |
| Low TCVos (1 µV/°C) | Maintains stable baseline in outdoor environmental sensors across –40°C to +125°C operating range. |
| Unity-gain stable | Simplifies design of buffer stages and transimpedance amplifiers without external compensation components. |
Applications
| CO Gas Detection | PIR Motion Sensing |
|---|---|
|
Use Scenario: Three-terminal electrochemical CO sensor with potentiostat bias loop and transimpedance amplification. IC Role / Device Role / Timing Role: LPV801DBVR serves as precision potentiostat amplifier (U1) maintaining RE–WE potential equality and as transimpedance amplifier (U2) converting sensor current to voltage. Use Value: 320 nA quiescent current extends 10-year battery life; rail-to-rail output maximizes 2.5 V ADC resolution; EMI immunity prevents false alarms near wireless infrastructure. |
Use Scenario: Passive infrared (PIR) sensor signal conditioning with low-noise amplification and DC offset removal. IC Role / Device Role / Timing Role: LPV801DBVR acts as first-stage DC-coupled amplifier for pyroelectric sensor output, rejecting common-mode drift while preserving microvolt-level signal integrity. Use Value: 0.1 pA input bias avoids loading high-impedance PIR elements; 3.5 mV offset enables <1°C temperature resolution; wide supply range supports direct connection to harvested energy storage. |
| Ionization Smoke Alarm | IoT Remote Sensor Node |
|
Use Scenario: Ultra-low-power smoke detector using ionization chamber with charge-amplifier front-end. IC Role / Device Role / Timing Role: LPV801DBVR functions as charge integrator and baseline stabilizer, converting ion current into measurable voltage while rejecting chamber leakage. Use Value: Nanopower operation enables multi-year operation on CR123A; negative-rail sensing accommodates grounded chamber configuration; no output reversal prevents latch-up during arc events. |
Use Scenario: Battery-powered environmental monitor (temperature/humidity/air quality) transmitting data via LoRaWAN or NB-IoT. IC Role / Device Role / Timing Role: LPV801DBVR conditions analog outputs from multiple sensors in time-multiplexed acquisition, minimizing active time per measurement cycle. Use Value: 450 nA supply current allows >5 years runtime on 2400 mAh Li-ion; 125°C rating supports deployment in unventilated enclosures; small SOT-23 footprint saves board area in compact nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPV811DBVR | Lower 370 µV max offset voltage; higher 450 nA typical supply current; same SOT-23-5 package. | Better DC accuracy for precision gas calibration; slightly reduced battery life in long-duration deployments. | Select LPV811DBVR when offset-limited error dominates system budget and 100 nA extra quiescent current is acceptable. |
| TLV8811IDBVR | 350 nA typical supply current; 1.2 mV max offset; 6 kHz GBW; same SOT-23-5 footprint. | Higher speed margin for faster sensor response; lower offset than LPV801DBVR but not as low as LPV811DBVR. | Choose TLV8811IDBVR when balancing speed, power, and offset in cost-sensitive PIR or medical patch designs. |
Compared with LPV801DBVR, LPV811DBVR trades 100 nA higher quiescent current for 10× lower offset-ideal for calibration-critical gas sensors-while TLV8811IDBVR offers better speed/power ratio for motion-triggered wake-up systems where moderate DC accuracy suffices.
Availability
LPV801DBVR is available at Aetrix Electronics and suitable for CO gas detectors, PIR motion sensors, and IoT remote sensor nodes requiring stable component supply, long-lifecycle support, and guaranteed nanopower performance across temperature extremes.
Supply support for LPV801DBVR 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 signal chain and low-power solutions.
The LPV801DBVR belongs to TI's LPV8xx nanopower op-amp family, engineered specifically for battery- and energy-harvesting-powered sensing applications where multi-year operation and millivolt-level accuracy are non-negotiable.
FAQ
What is the maximum supply voltage for LPV801DBVR?
The LPV801DBVR supports a maximum supply voltage of 6 V, as specified in its Absolute Maximum Ratings. However, its recommended operating range is 1.6 V to 5.5 V. Operating above 5.5 V risks reliability degradation and is not supported for functional use-designs should stay within the recommended range to ensure guaranteed performance, including 3.5 mV max offset and 320 nA quiescent current behavior.
Does LPV801DBVR support rail-to-rail input?
No, LPV801DBVR does not support rail-to-rail input. Its input common-mode voltage range extends from V− to (V+) – 0.9 V. This negative-rail-sensing capability enables true single-supply operation down to 0 V on the input, but the upper limit is 0.9 V below V+. For example, at 1.8 V supply, the usable input range is 0 V to 0.9 V-critical for potentiostat biasing where the reference electrode must remain near ground.
Can LPV801DBVR drive a 1000 pF capacitive load directly?
No, LPV801DBVR is not designed to drive >50 pF capacitive loads directly. Driving heavy capacitance without isolation causes phase-margin loss and potential oscillation. The datasheet recommends adding a 30–50 kΩ isolation resistor (RISO) between the LPV801DBVR output and the capacitive load. This preserves stability while allowing use with ADC input filters or long PCB traces-verified in Figure 37 of the LPV801DBVR datasheet.
Is LPV801DBVR suitable for thermistor-based temperature sensing?
Yes, LPV801DBVR is well-suited for thermistor interfaces, especially in battery-powered thermostats. Its 0.1 pA input bias current prevents significant self-heating error in high-value thermistor bridges (e.g., 10 kΩ–100 kΩ), and its 3.5 mV max offset contributes less than ±0.5°C error in typical 10-bit ADC configurations. Combined with 1 µV/°C TCVos, it maintains accuracy across –40°C to +125°C ambient ranges.
What is the open-loop gain of LPV801DBVR and how does it affect precision?
LPV801DBVR has a minimum open-loop gain of 120 dB (1,000,000 V/V) at 25°C. This high gain ensures low closed-loop gain error-even with 100 kΩ feedback networks-and supports stable operation in precision transimpedance configurations. At elevated temperatures or low supply voltages, gain decreases slightly, but remains >100 dB across the full operating range, preserving <0.01% gain linearity in gas sensor signal chains.
LPV801DBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.002V/µs
- Gain Bandwidth Product:
- 8 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 550 µV
- Current - Supply:
- 450nA
- Current - Output / Channel:
- 4.7 mA
- Voltage - Supply Span (Min):
- 1.6 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
LPV801DBVR FAQ
1.How can I place an order for LPV801DBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV801DBVR 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 LPV801DBVR reliable?
The price and inventory of LPV801DBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV801DBVR is usually 5 days.
3.What payment methods are accepted for LPV801DBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV801DBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV801DBVR?
LPV801DBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV801DBVR 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 LPV801DBVR?
For technical support, including LPV801DBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV801DBVR requirements.
6.How does Aetrix verify that LPV801DBVR is sourced from the original manufacturer or authorized distributors?
All LPV801DBVR 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 LPV801DBVR meets industry standards.
7.What is the process for return or replacement of LPV801DBVR?
All LPV801DBVR units undergo pre-shipment inspection (PSI). If there is an issue with LPV801DBVR, 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 LPV801DBVR part is unused and in its original packaging.
Return procedure for LPV801DBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPV801DBVR Tags
-
LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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LM2904DR
Texas Instruments
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LM358ADR
Texas Instruments
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LM2904DGKR
Texas Instruments
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LM324DR
Texas Instruments
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MCP6006T-E/OT
Microchip Technology
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MCP6006UT-E/OT
Microchip Technology
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LM324PWR
Texas Instruments
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LM2902PWR
Texas Instruments
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LM2902DR
Texas Instruments
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LM358P
Texas Instruments
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