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Texas Instruments TLV2471AID
- Part No.:
- TLV2471AID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2471AID.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,867
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Product details
Overview
TLV2471AID from Texas Instruments is a single-channel, rail-to-rail input/output CMOS operational amplifier optimized for ultra-low-power, high-output-drive applications in 2.7V–6V systems. It delivers 2.8MHz gain-bandwidth, 600μA/channel supply current, ±35mA output drive at 500mV from rails, and 250μV typical input offset voltage - enabling precision signal conditioning in portable medical sensors and battery-powered data acquisition circuits.
For engineers reviewing the TLV2471AID datasheet, TLV2471AID pinout, TLV2471AID application, or TLV2471AID equivalent, this page provides verified technical context, validated pin functions, real-world application mappings, and confirmed alternative options for low-voltage, rail-to-rail op-amp selection with shutdown capability not present in this variant.
Technical Context
The TLV2471AID operates as a unity-gain-stable, internally compensated voltage-feedback amplifier with CMOS input stage delivering 2.5pA input bias current and rail-to-rail common-mode input range (0V to VDD). Its output stage supports true rail-to-rail swing under load - ±10mA within 180mV of each rail and ±35mA within 500mV - making it suitable for driving ADC reference buffers and active filters without external level-shifting.
Unlike the TLV2470/TLV2473/TLV2475 variants, TLV2471AID lacks a shutdown pin; its SOT23-5 package integrates only power, input, and output terminals. It is fully specified across –40°C to +125°C and exhibits 61° phase margin into 1nF capacitive loads with 10kΩ series nulling resistor, per TI's recommended layout guidance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 6V - supports direct operation from single Li-ion, 3.3V, or 5V rails without regulation. |
| Gain-Bandwidth Product | 2.8MHz - enables stable closed-loop gain up to ~28 at 100kHz for sensor amplification stages. |
| Input Bias Current | 2.5pA (typ) - minimizes error in high-impedance pH or photodiode transimpedance circuits. |
| Output Drive Capability | ±35mA at 500mV from rail - drives 10-bit SAR ADC inputs, LED bias, or small relays directly. |
| Input Offset Voltage | 250μV (typ) - ensures ≤0.5 LSB error in 12-bit systems with 2.048V reference. |
| Supply Current per Channel | 600μA (typ at 3V) - extends battery life in always-on wearable health monitors. |
| Common-Mode Input Range | 0V to VDD - accepts signals spanning full supply, critical for single-supply instrumentation front-ends. |
Pinout & Package
SOT23-5 package: 2.9mm × 1.6mm × 1.1mm body, surface-mount, moisture-sensitive level 1, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Amplifier output | Delivers rail-to-rail voltage swing; requires RNULL ≥20Ω for >10pF capacitive loads to maintain stability. |
| 2 - IN− | Inverting input | High-impedance CMOS node; connects to feedback network in inverting configurations. |
| 3 - IN+ | Non-inverting input | High-impedance CMOS node; used for unity-gain buffer or non-inverting gain stages. |
| 4 - GND | Analog ground reference | Must be connected to clean system ground plane; shares return path with load current. |
| 5 - VDD | Positive supply | Accepts 2.7V–6V; decoupling capacitor (0.1μF ceramic) required within 5mm of pin. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in 3.3V systems - e.g., 0–3.3V sensor output digitized by 12-bit ADC without level shifters. |
| Ultra-low input bias current (2.5pA) | Reduces voltage error in 10MΩ+ source impedance circuits - critical for electrochemical sensor interfaces. |
| High output current (±35mA) | Eliminates need for external buffer when driving 10kΩ ADC inputs or 20mA LED indicators. |
| Low 1/f noise corner (~0.1Hz) | Supports stable DC-coupled amplification of slow-varying biopotential signals (ECG, EEG) without drift. |
| Specified over –40°C to +125°C | Validated for automotive cabin modules, industrial motor controllers, and outdoor IoT edge nodes. |
Applications
| Portable ECG Front-End | Industrial 4–20mA Transmitter |
|---|---|
Use Scenario: Amplifying microvolt-level differential cardiac signals from dry electrodes in battery-powered wearables. IC Role / Device Role / Timing Role: Primary instrumentation amplifier stage with gain = 100, filtering, and rail-to-rail buffering before 12-bit SAR ADC sampling at 1kHz. Use Value: 2.5pA input bias prevents electrode polarization drift; 250μV offset contributes <0.5 LSB error; 600μA quiescent current enables >7-day battery life on CR2032. | Use Scenario: Conditioning thermocouple or RTD sensor output and driving 4–20mA loop with HART modulation capability. IC Role / Device Role / Timing Role: Precision voltage-to-current converter input stage and loop driver buffer with 0–5V input mapping to 4–20mA output. Use Value: ±35mA output drive sustains 20mA into 600Ω load plus 250Ω loop resistance; rail-to-rail input accepts unbuffered sensor outputs down to 0V. |
| Medical Pulse Oximeter Analog Front-End | Smart Home CO Sensor Signal Chain |
Use Scenario: Amplifying synchronized red/IR photodiode currents (10nA–1μA) in low-power, optical blood saturation monitoring. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) with programmable gain and DC offset cancellation, operating at 100Hz–1kHz bandwidth. Use Value: 2.5pA input bias avoids TIA gain error; 2.8MHz GBW supports 100kHz pulse detection; 600μA supply enables continuous 30-second SpO₂ measurement bursts. | Use Scenario: Amplifying low-level electrochemical CO sensor output (±200mV, 100nA) in battery-operated indoor air quality monitors. IC Role / Device Role / Timing Role: Low-drift, low-noise preamplifier feeding 16-bit sigma-delta ADC in 10-second measurement cycles. Use Value: 250μV offset ensures <1ppm CO accuracy; rail-to-rail input captures full sensor range; 600μA current allows 2-year coin-cell operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDBVR | Zero-drift architecture; 0.1μV/°C offset drift vs. TLV2471AID's 0.4μV/°C; 17μV max initial offset vs. 250μV typ. | Better DC precision for long-term sensor calibration; lower 1/f noise but 350kHz GBW limits AC response. | Select OPA333AIDBVR when offset drift dominates error budget; avoid if >100kHz signal content exists. |
| MCP6001T-E/OT | Lower cost CMOS op-amp; 100μA supply current, 1MHz GBW, ±6mA output drive - less drive and bandwidth than TLV2471AID. | Suitable for low-speed, low-power comparators or basic buffers where ±35mA drive is unnecessary. | Select MCP6001T-E/OT for cost-sensitive, low-bandwidth applications; avoid when driving heavy capacitive or resistive loads. |
Compared with OPA333AIDBVR and MCP6001T-E/OT, TLV2471AID uniquely balances 2.8MHz bandwidth, ±35mA drive, and 600μA quiescent current - making it optimal for battery-powered signal chains requiring both precision and dynamic load capability without zero-drift complexity or bandwidth sacrifice.
Availability
TLV2471AID is available at Aetrix Electronics and suitable for portable medical devices, industrial 4–20mA transmitters, and smart home environmental sensors requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for TLV2471AID 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 90 years of innovation in precision analog ICs.
The TLV247x family was designed specifically for ultra-low-power, rail-to-rail signal conditioning in portable and industrial data acquisition systems - emphasizing output drive, input bias performance, and wide supply flexibility without shutdown circuitry in the '1' variant.
FAQ
Does TLV2471AID include a shutdown pin?
No, TLV2471AID does not include a shutdown pin. Unlike TLV2470AID (SOT23-6 with SHDN) or TLV2473AID (MSOP-10 with dual SHDN), the TLV2471AID uses a 5-pin SOT23 package with only VDD, GND, IN+, IN−, and OUT. Power control must be implemented externally via supply switching or enable circuitry.
What is the maximum capacitive load TLV2471AID can drive stably?
TLV2471AID remains stable into ≥1nF capacitive loads when a 20Ω–100Ω series nulling resistor (RNULL) is placed between the OUT pin and the load, per TI's Figure 42 layout recommendation. Without RNULL, oscillation may occur above ~10pF; stability testing with actual PCB parasitics is advised for >100pF loads.
Is TLV2471AID suitable for driving ADC inputs directly?
Yes, TLV2471AID is well-suited for driving SAR and sigma-delta ADC inputs directly. Its ±35mA output drive handles typical 10kΩ–100kΩ ADC input impedances and kickback currents, while rail-to-rail output ensures full-scale utilization - e.g., driving ADS7822 or ADS1115 with minimal external components.
How does TLV2471AID's input offset voltage compare across temperature?
TLV2471AID has a typical input offset voltage drift of 0.4μV/°C. Over –40°C to +125°C, total offset variation remains within ±100μV around the 250μV room-temperature value - verified in the "TLV247xA" grade specifications, confirming suitability for industrial temperature-grade designs.
Can TLV2471AID operate from a 2.5V supply?
No, TLV2471AID has a minimum supply voltage of 2.7V per absolute maximum ratings and recommended operating conditions. Operation below 2.7V risks parametric degradation or functional failure; for 2.5V systems, consider alternatives like TLV9001 or OPA316 with 1.8V–5.5V range.
TLV2471AID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.5V/µs
- Gain Bandwidth Product:
- 2.8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2.5 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 600µA
- Current - Output / Channel:
- 35 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 6 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2471AID FAQ
1.How can I place an order for TLV2471AID through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2471AID 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 TLV2471AID reliable?
The price and inventory of TLV2471AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2471AID is usually 5 days.
3.What payment methods are accepted for TLV2471AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2471AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2471AID?
TLV2471AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2471AID 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 TLV2471AID?
For technical support, including TLV2471AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2471AID requirements.
6.How does Aetrix verify that TLV2471AID is sourced from the original manufacturer or authorized distributors?
All TLV2471AID 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 TLV2471AID meets industry standards.
7.What is the process for return or replacement of TLV2471AID?
All TLV2471AID units undergo pre-shipment inspection (PSI). If there is an issue with TLV2471AID, 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 TLV2471AID part is unused and in its original packaging.
Return procedure for TLV2471AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV2471AID Tags
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LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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LM2904DR
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LM358ADR
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LM2904DGKR
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LM324DR
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MCP6006T-E/OT
Microchip Technology
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MCP6006UT-E/OT
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LM324PWR
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LM2902PWR
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LM2902DR
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LM358P
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