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Texas Instruments TLV2470AIP
- Part No.:
- TLV2470AIP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLV2470AIP.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,977
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Product details
Overview
TLV2470AIP 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 instrumentation.
For engineers reviewing the TLV2470AIP datasheet, TLV2470AIP pinout, TLV2470AIP application, or TLV2470AIP equivalent, this page provides verified electrical specifications, thermal and shutdown timing data, real-world output drive capability under load, rail-to-rail dynamic range implications, and validated alternative options for low-power analog front-end design.
Technical Context
The TLV2470AIP integrates a CMOS input stage with rail-to-rail output swing, supporting operation from 2.7V to 6V single supply. Its 2.8MHz gain-bandwidth product and 1.5V/μs slew rate enable stable unity-gain buffering of moderate-bandwidth signals while maintaining low distortion (0.05% THD+N at 1kHz, AV=10, VDD=5V).
Shutdown mode reduces supply current to 1000nA/channel at 5V, with 5μs turn-on and 250ns turn-off times. Input bias current is 2.5pA (typ), common-mode input range spans 0V to VDD, and output can source/sink ±35mA within 500mV of either rail - critical for driving resistive loads directly without external buffers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 6V - supports direct integration into 3.3V and 5V systems without level-shifting. |
| Gain-Bandwidth Product | 2.8MHz - enables stable closed-loop operation up to ~200kHz at gain ≥10 with adequate phase margin. |
| Input Offset Voltage | 250μV (typ) - ensures ≤0.5mV error in 2V full-scale 12-bit ADC front-ends without trimming. |
| Output Drive Capability | ±35mA at 500mV from rail - drives 100Ω loads directly (e.g., 50Ω transmission lines with series termination). |
| Shutdown Supply Current | 1000nA/ch at 5V - extends battery life >1000× vs active mode in intermittent-sampling applications. |
| Input Bias Current | 2.5pA (typ) - minimizes voltage error across high-impedance sensor sources (e.g., pH electrodes, photodiode transimpedance feedback). |
| Common-Mode Input Range | 0V to VDD - accepts signals spanning full supply, simplifying single-supply sensor interfacing. |
Pinout & Package
TLV2470AIP is housed in 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/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection - must remain unconnected; not used for thermal or shielding purposes. |
| 2 | IN− | Inverting input - high-impedance node (10¹²Ω) requiring guarded layout for pA-level bias current integrity. |
| 3 | IN+ | Non-inverting input - accepts common-mode voltages from 0V to VDD; sensitive to PCB leakage. |
| 4 | GND | Analog ground reference - must connect to low-impedance ground plane; separate from digital ground if mixed-signal. |
| 5 | SHDN | Active-low shutdown control - driven <0.8V to enter shutdown (1000nA/ch); >2V to enable (600μA/ch). |
| 6 | VDD | Positive supply - bypass with 0.1μF ceramic capacitor placed <5mm from pin to minimize PSRR degradation. |
| 7 | OUT | Amplifier output - capable of ±35mA sink/source; requires series resistor (>20Ω) when driving >10pF capacitive loads. |
| 8 | NC | No internal connection - electrically isolated; may be left floating or tied to GND for mechanical stability only. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full 0V–VDD signal swing on both input and output, maximizing dynamic range in 3.3V systems. |
| Ultra-low shutdown current | 1000nA/channel at 5V allows >1-year battery life in wake-on-event sensor nodes with 1Hz sampling. |
| High output drive | ±35mA capability eliminates need for external buffer stages when driving LEDs, relays, or ADC reference buffers. |
| Low input bias current | 2.5pA typical permits use with >100MΩ source impedances without significant DC error accumulation. |
| Specified over extended temperature | –40°C to +125°C operation supports automotive cabin and industrial motor-control environments. |
Applications
| Portable ECG Monitor Front-End | Industrial Temperature Sensor Interface |
|---|---|
Use Scenario: Amplifying microvolt-level biopotential signals from dry-electrode ECG sensors with 3.3V battery supply. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail instrumentation amplifier stage with shutdown between heartbeat intervals. Use Value: 2.5pA input bias avoids electrode polarization drift; 250μV offset contributes <0.1% error in 2.5V ADC range; shutdown cuts quiescent current to 1μA during idle. | Use Scenario: Conditioning output of Pt100 RTD bridge in programmable logic controller (PLC) analog input module. IC Role / Device Role / Timing Role: Precision buffer and gain stage before 16-bit ΣΔ ADC, operating continuously at 85°C ambient. Use Value: 2.8MHz GBW supports anti-alias filtering up to 100kHz; ±35mA drive handles 500Ω ADC input impedance; –40°C to +125°C rating ensures reliability in enclosure hotspots. |
| Low-Power Gas Detector Signal Chain | Smart Home CO Sensor Analog Front-End |
Use Scenario: Amplifying current output from electrochemical gas sensor (e.g., CO, NO₂) powered by coin cell. IC Role / Device Role / Timing Role: Transimpedance amplifier with programmable shutdown during 30-second measurement cycles. Use Value: 2.5pA input bias prevents baseline shift in picoampere-range sensor currents; 600μA active current enables >2-year battery life at 10s/sample. | Use Scenario: Buffering thermistor and NDIR detector outputs in battery-operated residential air quality monitor. IC Role / Device Role / Timing Role: Dual-role signal conditioner: rail-to-rail input captures full thermistor voltage swing; shutdown disables during sleep mode. Use Value: 0–VDD input range accepts 0–3.0V thermistor divider output directly; 1000nA shutdown current extends CR2032 life beyond 5 years at 1-minute wake intervals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2470CDR | SOT23-6 package, same electrical specs, C-temp (0°C to +70°C), tape-and-reel packaging. | Targeted at automated SMT assembly; lacks PDIP's prototyping and socket compatibility. | Select when volume production, board space constraints, or reflow compatibility are primary. |
| OPA344UA | 2.5MHz GBW, 550μA supply current, no shutdown, SO-8 package, 10μV max VIO. | Higher precision (lower offset), no power management - suited for always-on, high-accuracy applications. | Select when offset-critical DC performance outweighs shutdown requirement and battery life needs. |
Compared with TLV2470AIP, TLV2470CDR offers identical analog performance in a surface-mount format ideal for high-density layouts, while OPA344UA trades shutdown capability for lower input offset and tighter DC specs - making it preferable for precision DC-coupled systems where continuous operation is acceptable.
Availability
TLV2470AIP is available at Aetrix Electronics and suitable for portable medical instrumentation, industrial sensor signal conditioning, and battery-powered environmental monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2470AIP 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 TLV247x family was designed specifically for ultra-low-power, rail-to-rail signal acquisition in space-constrained, battery-operated systems - balancing bandwidth, output drive, and shutdown efficiency without sacrificing DC accuracy.
FAQ
What is the maximum capacitive load the TLV2470AIP can drive without instability?
The TLV2470AIP becomes unstable when driving >10pF capacitive loads directly. To maintain ≥60° phase margin, Texas Instruments recommends inserting a series nulling resistor (RNULL ≥20Ω) between the output and capacitive load, as documented in Figure 42 of the SLOS232E datasheet. This configuration supports stable operation with loads up to 1000pF when combined with appropriate feedback compensation.
Does the TLV2470AIP support dual-supply operation?
Yes, the TLV2470AIP 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 ground, enabling true bipolar signal handling - for example, ±2.5V input signals with ±2.5V supplies while maintaining full dynamic range and low distortion.
How does shutdown affect the output state of the TLV2470AIP?
When the SHDN pin is pulled low (<0.8V), the TLV2470AIP places its output in a high-impedance (Hi-Z) state - effectively disconnecting it from the load. This prevents back-driving or loading of downstream circuitry during shutdown. The output remains Hi-Z until SHDN rises above 2V, at which point the amplifier resumes normal operation after a 5μs turn-on delay.
What is the typical input offset voltage drift over temperature for TLV2470AIP?
The TLV2470AIP has a temperature coefficient of input offset voltage (αVIO) of 0.4μV/°C (typ). Over the full –40°C to +125°C operating range, this results in a maximum drift of approximately 66μV - calculated as 0.4μV/°C × 165°C span. This low drift supports stable DC-coupled gain stages in thermally varying environments without periodic recalibration.
Can TLV2470AIP drive a 600Ω load at 2.8MHz?
No - the TLV2470AIP's 2.8MHz gain-bandwidth product is measured into a 600Ω load per the Electrical Characteristics table, but its small-signal bandwidth into 600Ω is reduced due to output stage limitations. At 2.8MHz, the open-loop gain drops near unity, and driving 600Ω requires significant output current that exceeds the device's linear region. For 600Ω loads, usable bandwidth is limited to ≤100kHz to maintain <1% gain error and low THD+N.
TLV2470AIP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TLV2470AIP FAQ
1.How can I place an order for TLV2470AIP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2470AIP 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 TLV2470AIP reliable?
The price and inventory of TLV2470AIP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2470AIP is usually 5 days.
3.What payment methods are accepted for TLV2470AIP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2470AIP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2470AIP?
TLV2470AIP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2470AIP 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 TLV2470AIP?
For technical support, including TLV2470AIP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2470AIP requirements.
6.How does Aetrix verify that TLV2470AIP is sourced from the original manufacturer or authorized distributors?
All TLV2470AIP 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 TLV2470AIP meets industry standards.
7.What is the process for return or replacement of TLV2470AIP?
All TLV2470AIP units undergo pre-shipment inspection (PSI). If there is an issue with TLV2470AIP, 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 TLV2470AIP part is unused and in its original packaging.
Return procedure for TLV2470AIP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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