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Texas Instruments TLV2470ID
- Part No.:
- TLV2470ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2470ID.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,344
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Product details
Overview
TLV2470ID from Texas Instruments is a single-channel, rail-to-rail input/output CMOS operational amplifier with shutdown functionality, designed for ultra-low-power signal conditioning in battery-powered systems. It delivers 2.8MHz gain-bandwidth, 600μA/channel supply current, ±10mA output drive at 180mV from rails, and 250μV typical input offset voltage across –40°C to +125°C.
For engineers reviewing the TLV2470ID datasheet, TLV2470ID pinout, TLV2470ID application, or TLV2470ID equivalent, this device is selected for precision sensor interfaces, portable medical instrumentation, and low-voltage data acquisition where rail-to-rail swing, shutdown current below 1μA, and stable operation down to 2.7V are critical design requirements.
Technical Context
The TLV2470ID employs a CMOS input stage enabling 2.5pA input bias current and rail-to-rail common-mode input range (0V to VDD), while its output stage supports true rail-to-rail swing under load - delivering ±10mA within 180mV of each supply rail at 3V. Its internal architecture maintains phase margin ≥61° with 1nF capacitive load, supporting stable unity-gain buffer configurations.
Shutdown control is TTL/CMOS-compatible: applying ≤0.8V to SHDN forces outputs into high-impedance state and reduces supply current to 350nA/channel at 3V (1000nA at 5V). The device operates across full industrial temperature range (–40°C to +125°C) and is fully specified at both 3V and 5V supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 6V - enables direct use with single-cell Li-ion (3.0–3.7V), two-cell alkaline (2.7–3.2V), or regulated 3.3V/5V rails without level-shifting. |
| Gain-Bandwidth Product | 2.8MHz - supports closed-loop bandwidths up to ~2.5MHz in unity-gain buffer or ~140kHz in 20× gain configuration. |
| Input Offset Voltage | 250μV (typ) - ensures <±1mV total error in 12-bit ADC front-end with 3V reference, minimizing calibration burden. |
| Output Drive Capability | ±10mA at 180mV from rail - drives 10kΩ loads to full scale with <0.6% linearity error; ±35mA available at 500mV off-rail for higher-current stages. |
| Shutdown Supply Current | 350nA/channel at 3V - extends battery life by >1000× vs active mode; allows microamp-level sleep-state monitoring in wearable sensors. |
| Input Bias Current | 2.5pA (typ) - preserves signal integrity in high-impedance pH, thermopile, or piezoelectric sensor interfaces without significant DC error. |
| Common-Mode Input Range | 0V to VDD - accepts signals directly from resistive bridges or current-output sensors referenced to ground or VDD without external biasing. |
Pinout & Package
SOT23-6 package (DBV) with 6-pin surface-mount footprint measuring 2.9mm × 1.6mm × 1.1mm - optimized for space-constrained PCB layouts in portable diagnostics and IoT edge nodes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Delivers rail-to-rail voltage swing; capable of sourcing/sinking ±10mA while staying within 180mV of supply rails at 3V. |
| 2 (IN−) | Inverting input | High-impedance CMOS node; 2.5pA bias current enables precision differential sensing with minimal loading on feedback networks. |
| 3 (IN+) | Non-inverting input | Accepts input signals from 0V to VDD; supports single-supply sensor interfacing without external level-shift circuitry. |
| 4 (GND) | Analog ground reference | Primary return path for input bias currents and output load; must be tied to clean system ground plane to maintain PSRR >66dB. |
| 5 (SHDN) | Active-low shutdown control | Logic-compatible input: ≤0.8V disables amplifier (outputs high-Z, IDD = 350nA); ≥2.0V enables normal operation. |
| 6 (VDD) | Positive supply | Accepts 2.7V–6V; internal regulation ensures consistent performance across battery discharge curve in coin-cell or LiPo applications. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in 3V systems - e.g., 0–3V sensor output mapped linearly to 0–3V ADC input without clipping. |
| Ultra-low shutdown current (350nA at 3V) | Reduces quiescent power to 1.05nW per channel - critical for multi-year battery life in always-on environmental monitors. |
| 600μA/channel supply current | Provides 2.8MHz bandwidth at <1/3 the current of legacy micropower op-amps - balances speed and energy efficiency in portable EEG front-ends. |
| 2.5pA input bias current | Minimizes voltage error across 1MΩ source impedances (<2.5μV), eliminating need for guard traces or T-network compensation in strain gauge amplifiers. |
| Stable with capacitive loads ≥10pF | Supports direct connection to ADC input capacitors or long PCB traces without external isolation resistor - verified via phase margin ≥61° at 1nF load. |
Applications
| Portable ECG Front-End | Industrial 4–20mA Loop Receiver |
|---|---|
|
Use Scenario: Amplifying microvolt-level cardiac signals from dry electrodes in battery-powered wearables. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail instrumentation amplifier stage with shutdown during motion artifact detection intervals. Use Value: 2.5pA input bias prevents electrode polarization drift; 350nA shutdown current extends 3V coin-cell life beyond 3 years in intermittent-sampling mode. |
Use Scenario: Converting 4–20mA loop current to 0.5–2.5V for ADC input in programmable logic controller (PLC) analog input modules. IC Role / Device Role / Timing Role: Precision I-to-V converter with rail-to-rail output swing referenced to 3.3V system rail. Use Value: ±10mA output drive handles 250Ω shunt loads; 250μV offset ensures <0.01% FSR error over temperature without trimming. |
| Low-Power Gas Sensor Signal Chain | Medical Pulse Oximeter Analog Front-End |
|
Use Scenario: Conditioning output of electrochemical CO or NO₂ sensors with high source impedance (>100kΩ) and sub-μA output currents. IC Role / Device Role / Timing Role: Transimpedance amplifier with shutdown between measurement cycles to minimize sensor self-heating. Use Value: 2.5pA input bias avoids signal corruption; 2.8MHz GBW supports fast settling for pulsed sensor excitation schemes. |
Use Scenario: Multiplexed red/IR photodiode current amplification in battery-operated fingertip pulse oximeters. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier with independent shutdown per channel to reduce cross-talk and power during LED off periods. Use Value: Rail-to-rail output swings 0–3.3V into 10kΩ ADC input; 15nV/√Hz input noise preserves SNR in low-light conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2460IDR | Higher supply current (550μA vs 600μA), wider GBW (6.4MHz), no shutdown pin - requires external enable control. | Lacks integrated shutdown; better suited for continuous high-speed acquisition where power savings are secondary to bandwidth. | Select TLV2460IDR only when >3MHz closed-loop bandwidth is required and board space permits discrete enable circuitry. |
| OPA333AIDBVR | Zero-drift architecture (0.1μV/°C drift), lower offset (10μV max), but no shutdown and higher quiescent current (17μA). | Superior DC accuracy for precision weight scales or thermocouple amplifiers; unsuitable for battery-critical shutdown applications. | Choose OPA333AIDBVR when offset drift dominates error budget and shutdown is managed externally or omitted entirely. |
Compared with TLV2470ID, TLV2460IDR trades shutdown integration for higher speed and lower noise, while OPA333AIDBVR sacrifices ultra-low power and shutdown for near-zero drift - making TLV2470ID uniquely balanced for portable, precision, and intermittently active sensor systems.
Availability
TLV2470ID is available at Aetrix Electronics and suitable for portable medical devices, industrial process transmitters, and battery-powered environmental monitors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2470ID 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 op-amps and low-power signal chain solutions.
The TLV2470ID belongs to TI's TLV247x family of rail-to-rail I/O op-amps engineered specifically for high-performance, ultra-low-power sensor interface and portable instrumentation applications.
FAQ
What is the maximum capacitive load the TLV2470ID can drive without oscillation?
The TLV2470ID maintains stability with capacitive loads up to 1nF when configured as a unity-gain buffer, verified by ≥61° phase margin at 3V supply. For loads >10pF, TI recommends adding a 20Ω series resistor (RNULL) between output and load to preserve stability - a design detail confirmed in Figure 42 of the SLOS232E datasheet.
Does the TLV2470ID support true rail-to-rail input at 2.7V supply?
Yes, the TLV2470ID supports rail-to-rail input common-mode range (0V to VDD) at all supply voltages including 2.7V, as explicitly specified in the "Recommended Operating Conditions" table (VICR = 0 to VDD) and validated across the full –40°C to +125°C temperature range per the I-suffix qualification.
What is the turn-on time for the TLV2470ID after asserting SHDN high?
The TLV2470ID exhibits a 5μs amplifier turn-on time (t(on)), defined as the interval from SHDN rising to 50% of final supply current, measured at +25°C with VDD = 3V and no load - a value documented in the "Operating Characteristics" table under t(on) parameter.
Can the TLV2470ID operate from a single 1.8V supply?
No, the TLV2470ID has a minimum supply voltage of 2.7V per absolute maximum and recommended operating conditions tables; operation below 2.7V is not characterized or guaranteed, and may result in degraded rail-to-rail output swing, increased offset, or failure to enable from shutdown.
How does the input offset voltage of TLV2470ID vary with temperature?
The TLV2470ID has a temperature coefficient of input offset voltage (αVIO) of 0.4μV/°C, meaning offset drift is bounded to ±0.5mV over the full –40°C to +125°C range - a value confirmed in both 3V and 5V electrical characteristics tables and critical for uncalibrated medical sensor designs.
TLV2470ID 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
TLV2470ID FAQ
1.How can I place an order for TLV2470ID through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2470ID 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 TLV2470ID reliable?
The price and inventory of TLV2470ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2470ID is usually 5 days.
3.What payment methods are accepted for TLV2470ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2470ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2470ID?
TLV2470ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2470ID 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 TLV2470ID?
For technical support, including TLV2470ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2470ID requirements.
6.How does Aetrix verify that TLV2470ID is sourced from the original manufacturer or authorized distributors?
All TLV2470ID 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 TLV2470ID meets industry standards.
7.What is the process for return or replacement of TLV2470ID?
All TLV2470ID units undergo pre-shipment inspection (PSI). If there is an issue with TLV2470ID, 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 TLV2470ID part is unused and in its original packaging.
Return procedure for TLV2470ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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