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Texas Instruments TLV2461AID
- Part No.:
- TLV2461AID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2461AID.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,001
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Product details
Overview
TLV2461AID from Texas Instruments is a single-channel rail-to-rail input/output operational amplifier optimized for low-voltage portable systems. 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 analog signal buffering in ADC front-ends and sensor interfaces.
For engineers reviewing the TLV2461AID datasheet, TLV2461AID pinout, TLV2461AID application, or TLV2461AID equivalent, key selection criteria include its −40°C to 125°C automotive-grade temperature range, shutdown capability (0.3 µA/channel), rail-to-rail output swing down to 100 mV from rails at ±80 mA, and verified performance in battery-powered instrumentation and industrial sensing nodes.
Technical Context
The TLV2461AID employs a CMOS input stage with rail-to-rail common-mode input range (0 V to VDD) and a push-pull output stage supporting full rail-to-rail swing under load. Its 6.4 MHz unity-gain bandwidth and 1.6 V/µs slew rate are achieved with only 500 µA per channel, balancing AC fidelity and micropower operation.
Integrated shutdown logic asserts high-impedance output and reduces quiescent current to 0.3 µA/channel when SHDN < 0.7 V. The device meets AEC-Q100 Grade 1 requirements (−40°C to 125°C), with input offset voltage specified at ≤1500 µV over temperature and 11 nV/√Hz input noise at 1 kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 6.4 MHz - supports stable unity-gain buffer configurations up to ~6 MHz with minimal phase margin degradation. |
| Slew Rate | 1.6 V/µs - enables clean 10-bit+ signal reproduction for 100 kHz full-scale sine waves without slewing distortion. |
| Supply Current per Channel | 500 µA - allows continuous operation in 10-year battery-powered devices drawing <1 mA total for dual-channel use. |
| Input Offset Voltage | 100 µV (typ), ≤1500 µV (max over −40°C to 125°C) - ensures sub-0.1% error in 1 V full-scale precision sensor amplification. |
| Output Drive Capability | ±80 mA - drives 37.5 Ω loads directly (e.g., 75 Ω coax with termination) without external buffers. |
| Rail-to-Rail Output Swing | Within 100 mV of rails at ±80 mA - preserves dynamic range in 3.3 V or 5 V single-supply data acquisition systems. |
| Shutdown Current | 0.3 µA/channel - reduces system standby power to nanoampere levels during sleep cycles. |
Pinout & Package
TLV2461AID is packaged in an 8-pin SOIC (D package) with exposed pad thermal enhancement. Pin 1 is marked by a beveled edge or molded dot; the device uses standard SOIC footprint (5.3 mm × 6.2 mm, 1.27 mm pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN−) | Inverting input | Differential node for feedback networks; supports unity-gain inverter or transimpedance configurations. |
| 2 (IN+) | Non-inverting input | High-impedance node (10⁹ Ω) for sensor voltage references or high-Z signal sources. |
| 3 (OUT) | Amplifier output | Capable of sourcing/sinking ±80 mA while maintaining rail-to-rail swing; requires local 0.1 µF bypass. |
| 4 (GND) | Analog ground reference | Primary return path for input bias and output current; must connect to low-impedance PCB ground plane. |
| 5 (SHDN) | Shutdown control input | Active-low logic interface: <0.7 V = shutdown (0.3 µA), >2 V = active; no pull-up required. |
| 6 (NC) | No internal connection | Unbonded pin; must remain floating or grounded per layout best practices to avoid parasitic coupling. |
| 7 (VDD+) | Positive supply rail | Accepts 2.7 V to 6 V single supply or ±1.35 V to ±3 V split supply; decoupling critical above 100 kHz. |
| 8 (NC) | No internal connection | Unbonded pin; electrically isolated; no routing or soldering required. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full utilization of 2.7–6 V supply range in single-supply systems, maximizing ADC input dynamic range. |
| 6.4 MHz GBW with 500 µA supply current | Delivers 12-bit settling performance at 100 kHz while consuming less than half the power of legacy 10 MHz op-amps. |
| 0.3 µA shutdown current | Reduces system-level standby power by >99.9% versus active mode, critical for duty-cycled sensor nodes. |
| −40°C to 125°C operating range | Qualified for automotive engine bay and industrial control environments without derating or thermal management. |
| 11 nV/√Hz input voltage noise | Preserves SNR in low-level sensor amplification (e.g., thermocouples, strain gauges) without requiring chopper stabilization. |
Applications
| ADC Driver Interface | Automotive Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Driving SAR or sigma-delta ADC inputs in battery-powered data loggers with 3.3 V supply. IC Role / Device Role / Timing Role: Precision buffer isolating high-impedance sensor outputs from ADC sampling capacitance, minimizing settling error. Use Value: Rail-to-rail output swing and 6.4 MHz GBW ensure <1 LSB error for 16-bit ADCs sampling at 100 kSPS with 100 ns acquisition time. |
Use Scenario: Amplifying signals from exhaust gas oxygen (EGO) sensors and coolant temperature thermistors in engine control units. IC Role / Device Role / Timing Role: Low-drift, high-PSRR front-end amplifier providing conditioned analog input to MCU ADCs. Use Value: 1500 µV max VIO over −40°C to 125°C and 85 dB min PSRR eliminate calibration drift across automotive thermal cycles. |
| Portable Medical Instrumentation | Industrial Process Monitoring |
|
Use Scenario: Biopotential signal amplification (ECG, EMG) in handheld diagnostic devices powered by coin-cell batteries. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier with micropower shutdown between measurements. Use Value: 500 µA active current and 0.3 µA shutdown enable >5-year battery life in intermittent-use medical monitors. |
Use Scenario: Isolating and scaling 4–20 mA loop transmitter outputs for PLC analog inputs in factory automation. IC Role / Device Role / Timing Role: High-output-drive voltage buffer converting current-loop signals to robust voltage levels. Use Value: ±80 mA output current drives long cables and multiple PLC inputs without gain error or settling delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2461CDR | Same architecture and pinout, but rated for 0°C to 70°C only; 2000 µV max VIO vs. 1500 µV for TLV2461AID. | Restricted to commercial-grade consumer electronics; unsuitable for under-hood automotive or industrial ambient conditions. | Select TLV2461CDR only for cost-sensitive, non-automotive applications where extended temperature range is unnecessary. |
| OPA333AIDBVR | Zero-drift architecture; 0.1 µV max VIO, 0.02 µV/°C drift, but lower 350 kHz GBW and 170 µA supply current. | Better DC precision for ultra-low-drift applications (e.g., weigh scales), but insufficient bandwidth for fast ADC drivers. | Choose OPA333AIDBVR when nanovolt-level offset stability dominates over speed; TLV2461AID remains optimal for bandwidth/power tradeoffs. |
Compared with TLV2461CDR, TLV2461AID provides guaranteed automotive-grade reliability and tighter offset specs; compared with OPA333AIDBVR, it delivers 18× higher bandwidth at 3× the supply current - making it superior for dynamic signal conditioning where speed and power co-constrain design.
Availability
TLV2461AID is available at Aetrix Electronics and suitable for automotive engine control, industrial sensor interfaces, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2461AID 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 automotive-qualified components.
The TLV246x family was designed specifically for portable and automotive applications demanding rail-to-rail operation, micropower consumption, and extended temperature resilience - addressing limitations of earlier generation low-power op-amps.
FAQ
What is the maximum operating temperature range for TLV2461AID?
The TLV2461AID is qualified for continuous operation from −40°C to 125°C, meeting AEC-Q100 Grade 1 requirements. This specification is explicitly confirmed in the "Recommended Operating Conditions" table of the SLOS220J datasheet, where the I-suffix (as in TLV2461AID) defines the −40°C to 125°C range. Derating is not required within this interval.
Does TLV2461AID support true rail-to-rail input and output?
Yes, TLV2461AID supports rail-to-rail input (common-mode range extends from GND to VDD) and rail-to-rail output (swing within 100 mV of both rails at ±80 mA load). This is verified in the "Description" section and electrical characteristics tables of the SLOS220J datasheet, which state "rail-to-rail input/output" as a core feature and provide measured VOH/VOL values confirming near-rail performance.
What is the shutdown behavior of TLV2461AID?
When the SHDN pin is pulled below 0.7 V, TLV2461AID enters ultralow-power shutdown mode with supply current reduced to 0.3 µA per channel and output placed in high-impedance state. The device resumes normal operation within 7.65 µs after SHDN rises above 2 V, as documented in the "Operating Characteristics" table of the SLOS220J datasheet.
Can TLV2461AID drive capacitive loads without instability?
TLV2461AID maintains stability with capacitive loads up to 160 pF when driving a 10 kΩ load, as confirmed by phase margin (44°–45°) and gain margin (7 dB) measurements in the SLOS220J datasheet. For loads >160 pF, external isolation resistance (e.g., 10–50 Ω in series with output) is recommended to preserve stability per Figure 14 and application guidance.
Is TLV2461AID pin-compatible with other TLV246x variants?
TLV2461AID (8-pin SOIC) shares identical pinout with TLV2461CD, TLV2461ID, and TLV2461CP, as shown in the "TLV246x PACKAGE PINOUTS" section of SLOS220J. However, it is not pin-compatible with TLV2460 (5-pin SOT-23) or TLV2462 (8-pin SOIC with dual-channel configuration), due to differing channel count and terminal assignments.
TLV2461AID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2461AID FAQ
1.How can I place an order for TLV2461AID through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2461AID 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 TLV2461AID reliable?
The price and inventory of TLV2461AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2461AID is usually 5 days.
3.What payment methods are accepted for TLV2461AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2461AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2461AID?
TLV2461AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2461AID 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 TLV2461AID?
For technical support, including TLV2461AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2461AID requirements.
6.How does Aetrix verify that TLV2461AID is sourced from the original manufacturer or authorized distributors?
All TLV2461AID 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 TLV2461AID meets industry standards.
7.What is the process for return or replacement of TLV2461AID?
All TLV2461AID units undergo pre-shipment inspection (PSI). If there is an issue with TLV2461AID, 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 TLV2461AID part is unused and in its original packaging.
Return procedure for TLV2461AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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