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Texas Instruments TLV2470CP
- Part No.:
- TLV2470CP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLV2470CP.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,906
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Product details
Overview
TLV2470CP from Texas Instruments is a single-channel, rail-to-rail input/output CMOS operational amplifier with shutdown functionality in an 8-pin PDIP package. 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 battery-powered sensor interfaces and portable medical devices.
For engineers reviewing the TLV2470CP datasheet, TLV2470CP pinout, TLV2470CP application, or TLV2470CP equivalent, this page provides verified technical context, real-world design meaning for key specs, validated pin functions, application-specific implementation guidance, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The TLV2470CP integrates CMOS input stage architecture enabling 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 - delivering ±10mA within 180mV of each rail and ±35mA at 500mV off-rail under 5V supply - resolving classic micropower op-amp drive limitations.
Shutdown control is implemented via a dedicated SHDN pin requiring VIH ≥2V and VIL ≤0.8V (relative to GND); activation reduces supply current to 350nA/channel at 3V or 1000nA/channel at 5V while placing outputs in high-impedance state - critical for power-gated data acquisition stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 6V - supports direct operation from single-cell Li-ion (3.0–3.7V), 3.3V logic rails, and dual ±3V supplies without level-shifting. |
| Gain-Bandwidth Product | 2.8MHz - enables stable unity-gain buffer configurations up to ~2.5MHz and closed-loop amplification with bandwidth >1MHz at moderate gains (e.g., AV = 5). |
| Input Offset Voltage | 250μV (typ) - ensures <±1mV total error in 4–20mA transmitter I/V conversion or thermocouple cold-junction compensation at room temperature. |
| Output Drive Capability | ±35mA at 500mV from rail - drives 100Ω loads directly (e.g., 50Ω transmission lines with 50Ω termination) without external buffers in active filter or DAC output stages. |
| Shutdown Supply Current | 350nA/channel at 3V - extends battery life by >100× vs active mode in intermittent-sampling systems (e.g., wireless sensor nodes with 1s wake-up interval). |
| Input Bias Current | 2.5pA - permits use with high-impedance sources (>100MΩ), such as piezoelectric sensors or pH electrodes, without significant DC error. |
Pinout & Package
TLV2470CP uses an 8-pin plastic DIP (PDIP) package with 0.3-inch body width and through-hole mounting. Pin 1 is identified by a beveled edge or molded dot; pin numbering follows standard counter-clockwise layout from top-left corner when viewed from top with notch or dot oriented left.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection - must remain unconnected; not used for thermal relief or grounding. |
| 2 | IN− | Inverting input - connects to feedback network in inverting amplifier or reference node in transimpedance configuration. |
| 3 | IN+ | Non-inverting input - accepts high-impedance sensor signals (e.g., bridge outputs, thermistor dividers) with minimal loading. |
| 4 | GND | Analog ground reference - requires low-impedance connection to system AGND plane; separates from digital ground if mixed-signal PCB. |
| 5 | SHDN | Active-high shutdown control - driven to ≥2V to enable, ≤0.8V to disable; compatible with 3.3V/5V GPIO without level translation. |
| 6 | VDD | Positive supply - decoupled with 0.1μF ceramic capacitor placed ≤5mm from pin to minimize PSRR degradation at high frequencies. |
| 7 | OUT | Amplifier output - capable of sourcing/sinking ±35mA; requires series resistor (≥20Ω) when driving >10pF capacitive loads to prevent oscillation. |
| 8 | NC | No internal connection - must remain unconnected; no thermal or shielding function. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in 3.3V systems - inputs accept 0V to 3.3V, outputs swing to within 180mV of rails under 10mA load. |
| Ultra-low shutdown current | 350nA/channel at 3V allows >1-year battery life in coin-cell-powered devices with 10s periodic wake-up intervals. |
| High output drive at low supply | Delivers ±10mA within 180mV of rails at 2.7V - eliminates need for external driver stages in portable instrumentation front-ends. |
| Low input bias current | 2.5pA enables direct interface with >1GΩ source impedances (e.g., photodiode transimpedance amps) without guard traces or T-network compensation. |
| Specified over extended temperature | Guaranteed performance from –40°C to +125°C - suitable for automotive cabin sensors and industrial motor control feedback loops. |
Applications
| Portable ECG Front-End | 4–20mA Transmitter |
|---|---|
Use Scenario: Amplifying microvolt-level cardiac signals from dry electrodes in handheld ECG monitors with strict power budget. IC Role / Device Role / Timing Role: Primary signal-conditioning amplifier in first gain stage, configured as non-inverting amplifier with gain = 100 and 0.05–150Hz bandpass filtering. Use Value: Rail-to-rail I/O preserves signal headroom on 3.3V supply; 2.5pA input bias prevents electrode polarization drift; shutdown cuts quiescent current during standby. |
Use Scenario: Converting DAC output to precise 4–20mA loop current for industrial process sensors. IC Role / Device Role / Timing Role: Current-output transconductance amplifier with external sense resistor and feedback path to maintain loop accuracy. Use Value: ±35mA output drive sustains 20mA into 1kΩ loop impedance at 2.7V supply; 250μV VIO contributes <0.1% FSR error in 16-bit DAC-based transmitters. |
| Thermopile-Based Gas Sensor | Battery-Powered Data Logger |
Use Scenario: Amplifying nanoamp-level thermopile outputs in CO₂ detection modules powered by CR2032 coin cell. IC Role / Device Role / Timing Role: Low-noise, low-drift transimpedance amplifier with programmable gain switching between measurement and calibration cycles. Use Value: 2.5pA input bias minimizes dark-current error; shutdown mode reduces average current to <100nA during 99% idle time, extending battery life to >2 years. |
Use Scenario: Signal conditioning for multi-channel analog inputs (temperature, humidity, pressure) in remote environmental monitoring nodes. IC Role / Device Role / Timing Role: Multiplexed front-end amplifier enabling sequential channel sampling with per-channel shutdown control. Use Value: Independent shutdown per channel eliminates crosstalk during multiplexing; 2.8MHz GBW supports oversampling at 10ksps with <0.1% settling error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2461CP | Higher 6.4MHz GBW but no shutdown pin; 550μA/channel supply current; same PDIP-8 package. | Lacks power-gating capability - unsuitable for duty-cycled systems; better for continuous high-speed signal paths. | Select TLV2461CP only when shutdown is unnecessary and higher bandwidth is required for active filtering or fast-settling ADC drivers. |
| OPA344PA | Lower 1MHz GBW, 800μA/channel, no shutdown; SO-8 package (not PDIP); 10μV max VIO vs TLV2470CP's 2400μV max. | Superior DC precision but lower speed and no power control - fits precision DC-coupled applications where layout allows SOIC. | Choose OPA344PA for ultra-low-offset requirements (e.g., weigh-scale bridges) where shutdown and PDIP are not mandatory. |
Compared with TLV2470CP, TLV2461CP trades shutdown capability for higher bandwidth and slightly lower quiescent current, while OPA344PA sacrifices speed and package compatibility to achieve 24× lower maximum input offset voltage - making each alternative optimal only under distinct system constraints.
Availability
TLV2470CP is available at Aetrix Electronics and suitable for portable medical devices, industrial 4–20mA transmitters, and battery-powered environmental sensors requiring stable component supply across long production lifecycles.
Supply support for TLV2470CP 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 TLV247x family was designed specifically for power-constrained, high-fidelity analog signal acquisition - targeting portable instrumentation, sensor interfaces, and industrial automation where rail-to-rail operation, low IQ, and robust output drive are simultaneously required.
FAQ
What is the maximum capacitive load the TLV2470CP can drive without instability?
The TLV2470CP becomes unstable when driving >10pF capacitive loads directly. To maintain phase margin >60°, Texas Instruments specifies adding a series null resistor (RNULL) between the output and load. A minimum 20Ω resistor is recommended for most applications; values up to 100Ω may be needed for >100pF loads. This is detailed in Figure 42 of the TLV2470CP datasheet.
Does the TLV2470CP support split-supply operation?
Yes, the TLV2470CP supports split-supply operation from ±1.35V to ±3V, as specified in the Recommended Operating Conditions table. Its rail-to-rail input and output stages function symmetrically around GND, enabling bipolar signal handling in audio preamps or AC-coupled sensor interfaces without level-shifting circuitry.
What is the turn-on/turn-off time of the shutdown feature in TLV2470CP?
The TLV2470CP has a 5μs amplifier turn-on time (t(on)) and 250ns turn-off time (t(off)), defined as the interval between SHDN logic transition and supply current reaching 50% of final value. These values are measured at VDD = 3V or 5V with RL = open, ensuring rapid power-state transitions in burst-mode data acquisition systems.
Can TLV2470CP operate reliably at 2.7V supply voltage?
Yes, the TLV2470CP is fully specified down to 2.7V supply voltage. At 2.7V, it maintains 2.8MHz gain-bandwidth, ±10mA output drive within 180mV of rails, and 600μA/channel supply current. Input common-mode range extends from 0V to 2.7V, and output swing reaches within 200mV of each rail under 5mA load - confirmed in Electrical Characteristics tables.
How does input offset voltage drift with temperature in TLV2470CP?
The TLV2470CP has a temperature coefficient of input offset voltage (αVIO) of 0.4μV/°C, meaning offset drift is bounded by ±0.4μV per °C change from 25°C. Over the full operating range (0°C to +70°C), this contributes ≤28μV additional drift beyond the 250μV typical room-temperature offset - critical for DC-stable applications like precision weight scales or calibrated sensor outputs.
TLV2470CP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- 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:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TLV2470CP FAQ
1.How can I place an order for TLV2470CP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2470CP 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 TLV2470CP reliable?
The price and inventory of TLV2470CP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2470CP is usually 5 days.
3.What payment methods are accepted for TLV2470CP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2470CP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2470CP?
TLV2470CP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2470CP 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 TLV2470CP?
For technical support, including TLV2470CP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2470CP requirements.
6.How does Aetrix verify that TLV2470CP is sourced from the original manufacturer or authorized distributors?
All TLV2470CP 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 TLV2470CP meets industry standards.
7.What is the process for return or replacement of TLV2470CP?
All TLV2470CP units undergo pre-shipment inspection (PSI). If there is an issue with TLV2470CP, 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 TLV2470CP part is unused and in its original packaging.
Return procedure for TLV2470CP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV2470CP Tags
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