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Texas Instruments TLV2461IP
- Part No.:
- TLV2461IP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLV2461IP.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,746
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Product details
Overview
TLV2461IP from Texas Instruments is a single-channel rail-to-rail input/output operational amplifier optimized for low-power portable and industrial signal conditioning. It delivers 6.4 MHz gain-bandwidth product, 1.6 V/µs slew rate, ±80 mA output drive, 500 µA/channel supply current, and 100 µV input offset voltage - enabling high-fidelity buffering of analog-to-digital converters in battery-powered sensor front-ends.
For engineers reviewing the TLV2461IP datasheet, TLV2461IP pinout, TLV2461IP application, or TLV2461IP equivalent, this device is selected for precision, low-voltage rail-to-rail operation with shutdown capability in extended temperature industrial systems (−40°C to 125°C), where dynamic range, power efficiency, and output drive at 3–5 V supplies are critical.
Technical Context
The TLV2461IP employs a CMOS input stage enabling rail-to-rail common-mode input voltage range (0 V to VDD) and rail-to-rail output swing, supporting full-scale signal capture in single-supply 2.7–6 V systems. Its 6.4 MHz bandwidth and 1.6 V/µs slew rate are achieved with only 500 µA per channel, balancing AC performance and micropower operation.
A dedicated SHDN pin places the amplifier in ultralow-current shutdown mode (0.3 µA/channel), forcing output into high-impedance state - a key feature for power-gated signal chains in multi-stage analog processing or battery-backed instrumentation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 6.4 MHz - supports stable unity-gain buffer configurations up to ~6 MHz without phase margin degradation. |
| Slew Rate | 1.6 V/µs - enables clean 1 VPP signals up to ~250 kHz before slew-induced distortion dominates. |
| Supply Current | 500 µA/channel - allows continuous operation in sub-1 mA analog signal paths for 10+ year battery life in remote sensors. |
| Input Offset Voltage | 100 µV (typ) - ensures ≤0.002% gain error in 5 V full-scale precision gain stages. |
| Output Drive | ±80 mA - drives 62 Ω loads directly (e.g., 50 Ω coax + termination) without external buffers. |
| Rail-to-Rail I/O | Input: 0 V to VDD; Output: within 100 mV of rails - maximizes dynamic range in 3.3 V ADC interfaces. |
| Shutdown Current | 0.3 µA/channel - reduces system standby power by >99.9% vs active mode in duty-cycled measurement systems. |
Pinout & Package
TLV2461IP is housed in an 8-pin plastic DIP (P) package with 0.3-inch body width, rated for −40°C to 125°C operation. Pin 1 is identified by a beveled edge or molded dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No internal connection | Unused pad; must remain floating or grounded per layout best practice - no routing required. |
| 2 (IN−) | Inverting input | Differential node for feedback networks; high-impedance CMOS input (1.3 pA bias current @ 25°C). |
| 3 (IN+) | Non-inverting input | Reference or signal input node; supports rail-to-rail common-mode range (0 V to VDD). |
| 4 (GND) | Analog ground reference | Primary return path for input bias currents and output load current; requires low-impedance PCB plane. |
| 5 (NC) | No internal connection | Unused pad; electrically isolated - no connection needed. |
| 6 (VDD+) | Positive supply | Accepts 2.7–6 V single supply or ±1.35–±3 V split supply; decoupling capacitor mandatory at pin. |
| 7 (OUT) | Amplifier output | Delivers rail-to-rail swing with ±80 mA sourcing/sinking; stable driving 100 pF capacitive loads. |
| 8 (SHDN) | Shutdown control | Active-low logic input; <0.7 V = shutdown (0.3 µA), >2 V = active; compatible with 3.3 V GPIO. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full utilization of 3.3 V ADC reference range without level-shifting circuitry. |
| 6.4 MHz GBW at 500 µA | Provides usable bandwidth for anti-aliasing filters and sensor signal conditioning while minimizing quiescent power. |
| 0.3 µA shutdown current | Permits integration into ultra-low-power wake-on-event architectures with microsecond turn-on time (7.65 µs). |
| ±80 mA output drive | Eliminates need for external output buffers when driving SAR ADC reference inputs or low-Z transducer loads. |
| Specified over −40°C to 125°C | Validates performance across automotive under-hood and industrial control environments without derating. |
Applications
| High-Voltage Sensor Signal Conditioning | Low-Power Data Acquisition Front-End |
|---|---|
Use Scenario: Amplifying millivolt-level outputs from strain gauges or thermopiles in battery-operated structural health monitors. IC Role / Device Role / Timing Role: Precision non-inverting amplifier with gain of 100×, providing rail-to-rail output swing into 10 kΩ ADC input impedance. Use Value: 100 µV offset and 11 nV/√Hz noise preserve µV-level resolution; 500 µA supply current extends 10-year field deployment on coin-cell batteries. | Use Scenario: Buffering multiplexed sensor channels before a 16-bit SAR ADC in portable environmental monitoring equipment. IC Role / Device Role / Timing Role: Unity-gain rail-to-rail buffer isolating ADC input from multiplexer ON-resistance and charge injection. Use Value: 6.4 MHz GBW ensures <0.1% settling in <2 µs; shutdown mode cuts channel power to 0.3 µA between conversions. |
| Industrial Process Control Loop | Automotive Cabin Temperature Sensing |
Use Scenario: Driving 4–20 mA transmitter circuits via voltage-to-current conversion in PLC analog output modules. IC Role / Device Role / Timing Role: High-output-drive transconductance amplifier with 0–5 V input and 0–20 mA output using external sense resistor. Use Value: ±80 mA output capability supports 250 Ω loop burden at 5 V supply; −40°C to 125°C rating matches industrial ambient requirements. | Use Scenario: Conditioning NTC thermistor voltage divider outputs in HVAC control units exposed to under-dash thermal cycling. IC Role / Device Role / Timing Role: Low-drift, rail-to-rail amplifier scaling thermistor signal to match 3.3 V ADC full scale across −40°C to 85°C cabin range. Use Value: 2 µV/°C offset drift minimizes calibration frequency; 125°C max operating temperature exceeds automotive under-hood derating margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2461IDR | Same electrical specs; 8-pin SOIC (D) package, tape-and-reel, −40°C to 125°C rating. | Preferred for automated SMT assembly; smaller footprint than DIP but requires reflow-compatible layout. | Select TLV2461IDR for volume production PCBs with pick-and-place capability and space constraints. |
| OPA333AIDBVR | Zero-drift architecture; 10 µV max offset, 0.1 µV/°C drift, 350 µA supply current, 350 kHz GBW. | Better DC precision but lower bandwidth; unsuitable for >100 kHz signal conditioning or fast-settling ADC drivers. | Choose OPA333AIDBVR only when nanovolt-level offset stability dominates over speed and output drive. |
Compared with TLV2461IP, TLV2461IDR offers identical performance in a surface-mount package for automated manufacturing, while OPA333AIDBVR trades bandwidth and output drive for ultra-low offset drift - making TLV2461IP the optimal choice for cost-sensitive, wide-bandwidth, rail-to-rail industrial signal chains requiring robust output drive and extended temperature operation.
Availability
TLV2461IP is available at Aetrix Electronics and suitable for industrial process control, automotive cabin sensing, and portable data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2461IP 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, embedded processing, and connectivity technologies with decades of op-amp design heritage.
The TLV246x family was engineered for low-power, rail-to-rail signal conditioning in portable and harsh-environment applications - delivering precision, drive strength, and temperature resilience without compromising quiescent current.
FAQ
What is the operating temperature range for TLV2461IP?
The TLV2461IP is specified for operation from −40°C to 125°C, meeting industrial and automotive under-dash requirements. This rating is confirmed in the "Recommended Operating Conditions" table of the SLOS220J datasheet, where the "I-suffix" designation (as indicated in the part number suffix "IP") explicitly defines this extended temperature range.
Does TLV2461IP support true rail-to-rail input and output?
Yes, TLV2461IP supports rail-to-rail input (common-mode range from 0 V to VDD) and rail-to-rail output (swing within 100 mV of both rails at 10 mA load). This is verified in the device description and electrical characteristics tables of the SLOS220J datasheet, enabling full dynamic range utilization in single-supply 3.3 V systems.
What is the shutdown behavior of TLV2461IP?
When the SHDN pin is pulled below 0.7 V, TLV2461IP enters shutdown mode drawing just 0.3 µA per channel and placing the output in a high-impedance state. The datasheet confirms turnoff time of 328 ns and turnon time of 7.65 µs, making it suitable for rapid power gating in duty-cycled sensor interfaces.
Can TLV2461IP drive capacitive loads?
TLV2461IP is stable driving ≥100 pF capacitive loads with adequate phase margin, as shown in Figure 36 (Phase Margin vs Load Capacitance) and Figure 14 (Capacitive Load vs Load Resistance) of the SLOS220J datasheet. For loads >100 pF, external isolation resistance is recommended to maintain stability.
What are the key differences between TLV2461IP and TLV2460IP?
TLV2461IP is a single-channel amplifier with 8-pin DIP packaging and SHDN pin, while TLV2460IP is a single-channel amplifier in 6-pin SOT-23 with SHDN - differing in pin count, package size, and thermal performance. TLV2461IP's DIP format provides higher power dissipation capability (1200 mW at 25°C) versus TLV2460IP's SOT-23 (385 mW), making it preferable for higher-output-drive applications.
TLV2461IP 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:
- 1.6V/µs
- Gain Bandwidth Product:
- 6.4 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1.3 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 550µA
- Current - Output / Channel:
- 80 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
TLV2461IP FAQ
1.How can I place an order for TLV2461IP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2461IP 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 TLV2461IP reliable?
The price and inventory of TLV2461IP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2461IP is usually 5 days.
3.What payment methods are accepted for TLV2461IP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2461IP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2461IP?
TLV2461IP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2461IP 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 TLV2461IP?
For technical support, including TLV2461IP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2461IP requirements.
6.How does Aetrix verify that TLV2461IP is sourced from the original manufacturer or authorized distributors?
All TLV2461IP 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 TLV2461IP meets industry standards.
7.What is the process for return or replacement of TLV2461IP?
All TLV2461IP units undergo pre-shipment inspection (PSI). If there is an issue with TLV2461IP, 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 TLV2461IP part is unused and in its original packaging.
Return procedure for TLV2461IP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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