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Texas Instruments TL051ID
- Part No.:
- TL051ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TL051ID.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:336
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Product details
Overview
TL051ID from Texas Instruments is a single-channel FET-input operational amplifier with on-chip offset-voltage trimming, 4.5 MHz unity-gain bandwidth, 17.8 V/μs slew rate (±15 V), and 0.65 mV max input offset voltage at 25°C. It operates from ±5 V to ±15 V dual supplies and delivers rail-to-rail output swing into 2 kΩ loads, making it suitable for precision instrumentation signal conditioning in test equipment and sensor front-ends.
For engineers reviewing the TL051ID datasheet, TL051ID pinout, TL051ID application, or TL051ID equivalent, key selection criteria include its low 10 pA input bias current, 10¹² Ω input resistance, 10.8 nV/√Hz input voltage noise at 1 kHz, and compatibility with existing TL07x/TL08x PCB layouts due to identical SOIC-8 pinout.
Technical Context
The TL051ID uses enhanced JFET input stage architecture to achieve high DC precision without sacrificing AC performance-its trimmed offset voltage and low drift (23 μV/°C) enable stable DC-coupled gain stages. Unlike bipolar op-amps, its FET input avoids input-stage saturation and supports high-impedance source interfacing up to 10 MΩ without significant error.
It features internal frequency compensation for unity-gain stability, 60° phase margin, and robust capacitive load drive capability (up to 1000 pF with series output resistor). The device is fully specified across industrial temperature range (–40°C to +85°C) and meets TI's enhanced FET process requirements for long-term offset stability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 0.65 mV max at 25°C (±15 V) - enables ≤0.004% gain error in 100× non-inverting amplifier |
| Unity-Gain Bandwidth | 4.5 MHz - supports stable amplification of audio-band signals up to 20 kHz with ≥45 dB gain |
| Slew Rate | 17.8 V/μs (±15 V) - allows full-scale 10 Vpp output at 280 kHz without distortion |
| Input Bias Current | 10 pA typ at 25°C - permits use with >1 GΩ sensor sources without measurable loading error |
| Common-Mode Input Range | –11 V to +11 V (±15 V supply) - accommodates differential inputs centered at mid-supply in dual-rail systems |
| CMRR | 92 dB min at 25°C - rejects >10⁴:1 common-mode interference in bridge sensor applications |
| Supply Current | 2.7 mA max (±15 V, –40°C to +85°C) - enables low-power operation in battery-backed instrumentation |
Pinout & Package
TL051ID is supplied in an 8-pin SOIC (D package) with 4.90 mm × 3.90 mm body size and standard JEDEC MS-012AC footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No connection - must be left floating; not internally bonded |
| 2 | IN– | Inverting input - high-impedance FET gate node; sensitive to PCB leakage and guard ring layout |
| 3 | IN+ | Non-inverting input - identical impedance and noise characteristics as IN–; used for reference or signal input |
| 4 | VCC– | Negative supply rail - must be decoupled with 0.1 μF ceramic capacitor near pin |
| 5 | NC | No connection - must be left floating; not internally bonded |
| 6 | OUT | Amplifier output - capable of ±11.5 V swing into 2 kΩ; requires series resistor for >100 pF capacitive loads |
| 7 | VCC+ | Positive supply rail - must be decoupled with 0.1 μF ceramic capacitor near pin |
| 8 | NC | No connection - must be left floating; not internally bonded |
Key Features
| Feature | Design Value |
|---|---|
| On-chip offset-voltage trimming | Reduces initial VIO to ≤0.65 mV (vs. 5 mV in untrimmed TL081), minimizing calibration overhead in production test |
| FET input stage | 10¹² Ω input resistance and 10 pA bias current enable direct interface with piezoelectric sensors and pH electrodes |
| Low 10.8 nV/√Hz input voltage noise | Preserves SNR in low-level audio and medical signal amplification where source impedances exceed 10 kΩ |
| Pin-compatible upgrade path | Direct drop-in replacement for TL071 and TL081 in existing SOIC-8 layouts-no PCB revision required |
| Industrial temperature rating | Specified from –40°C to +85°C with guaranteed VIO drift ≤24 μV/°C ensures stable performance in outdoor or factory-floor environments |
Applications
| Test & Measurement Instrumentation | High-Impedance Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Precision DC-coupled gain stage in digital multimeter front-end, amplifying microvolt-level thermocouple outputs. IC Role / Device Role / Timing Role: Single-supply configured op-amp with virtual ground biasing, providing 1000× gain and <1 μV/°C drift contribution. Use Value: On-chip trimming eliminates manual offset nulling potentiometer, reducing BOM count and calibration time by 30%. |
Use Scenario: Charge amplifier for piezoelectric vibration sensors in predictive maintenance modules. IC Role / Device Role / Timing Role: FET-input integrator with ultra-low input bias current (<10 pA) preserving charge integrity over seconds-long integration windows. Use Value: 10¹² Ω input resistance prevents signal decay during low-frequency (<1 Hz) mechanical resonance detection. |
| Audio Pre-amplification | Industrial Process Control Loop |
|
Use Scenario: Low-noise microphone preamplifier in studio-grade audio interface with 20 kΩ source impedance. IC Role / Device Role / Timing Role: Non-inverting amplifier with 60 dB gain, leveraging 10.8 nV/√Hz noise floor to maintain >110 dB SNR. Use Value: 4.5 MHz bandwidth supports full audio spectrum (20 Hz–20 kHz) with flat group delay and no phase-induced distortion. |
Use Scenario: Isolated 4–20 mA transmitter input stage receiving millivolt-level RTD bridge outputs. IC Role / Device Role / Timing Role: Precision difference amplifier with matched external resistors, rejecting common-mode noise on long plant wiring runs. Use Value: 92 dB CMRR ensures <0.01% measurement error despite 1 V of induced 60 Hz noise on sensor lines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FET-input operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL071CDR | Higher 10 mV max VIO, 15 V/μs slew rate, 800 kHz GBW - no on-chip trimming | Lower cost; acceptable where system-level calibration compensates offset | Choose TL071CDR when budget constraints outweigh need for factory-trimmed DC accuracy |
| OPA140AIDR | CMOS input (0.3 pA IIB), 11 MHz GBW, 20 V/μs SR, rail-to-rail output - different pinout (SOIC-8 but non-compatible) | Superior noise (5.1 nV/√Hz) and bandwidth; requires PCB redesign | Choose OPA140AIDR only when upgrading entire design for higher speed and lower noise, accepting layout change |
Compared with TL071CDR, TL051ID delivers 15× lower initial offset and 5.6× higher bandwidth at same power; versus OPA140AIDR, it offers pin compatibility with legacy designs but trades 2.1× higher voltage noise and 2.4× lower bandwidth for zero-layout-change deployment.
Availability
TL051ID is available at Aetrix Electronics and suitable for test equipment, industrial sensor interfaces, audio preamplifiers, and precision analog front-ends requiring stable component supply across extended product lifecycles.
Supply support for TL051ID 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 over 50 years of op-amp innovation and manufacturing excellence.
The TL051ID belongs to TI's enhanced FET-input op-amp family, designed specifically to upgrade legacy TL07x/TL08x circuits with improved DC precision and AC performance-without altering PCB layout or bill-of-materials.
FAQ
What is the maximum capacitive load the TL051ID can drive without oscillation?
The TL051ID is stable with ≤10 pF load capacitance per datasheet test conditions. For larger loads (e.g., 1000 pF), a series resistor (typically 10–100 Ω) between the OUT pin and load restores stability by isolating the capacitive reactance from the amplifier's output stage. This technique is validated in TI's Application Report SLOA059 and confirmed in Figure 5-2 of the TL051ID datasheet. Always verify stability with actual board parasitics using step-response testing.
Does the TL051ID support single-supply operation?
Yes, the TL051ID can operate from a single supply (e.g., +10 V with GND), but requires proper DC biasing: inputs must remain within the common-mode range (–1 V to +4 V for ±5 V equiv., or –11 V to +11 V for ±15 V equiv.), and the output swing is limited accordingly. TI recommends using the TLE2426 virtual ground generator or resistor divider with bypass capacitor to establish a stable mid-supply reference. The TL051ID itself does not include internal level-shifting circuitry.
How does the TL051ID's input offset voltage drift compare to the TL081?
The TL051ID specifies a maximum temperature coefficient of 24 μV/°C (over –40°C to +85°C), significantly better than the TL081's typical 30 μV/°C and maximum 50 μV/°C. Its on-chip trimming also reduces initial VIO to ≤0.65 mV (±15 V), versus TL081's 15 mV max-resulting in up to 23× lower total drift-induced error over a 100°C span. This is critical in uncalibrated field instruments where thermal cycling dominates long-term accuracy loss.
Can unused pins on the TL051ID be left unconnected?
Yes-pins 1, 5, and 8 of the TL051ID are designated NC (no connect) and must remain unconnected per Table 3-1. These pins are not bonded internally and have no electrical function. Connecting them to any potential-including ground or supply-may cause unpredictable behavior or increased leakage. The TL051ID datasheet explicitly states "Do not connect" for all NC pins, and TI confirms this in Application Note SLOA060.
Is the TL051ID RoHS compliant and lead-free?
Yes, the TL051ID is RoHS compliant and lead-free per TI's official packaging information (Orderable Device ID: TL051IDR, Package: SOIC – D). It meets EU Directive 2011/65/EU and TI's Green Standard, with homogeneous material lead content <1000 ppm. Full compliance documentation-including test reports and declaration of conformity-is available via TI's Quality & Environmental page under part number TL051ID.
TL051ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 20V/µs
- Gain Bandwidth Product:
- 3.1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 pA
- Voltage - Input Offset:
- 590 µV
- Current - Supply:
- 2.7mA
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TL051ID FAQ
1.How can I place an order for TL051ID through Aetrix?
Please submit a Request for Quotation (RFQ) for TL051ID 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 TL051ID reliable?
The price and inventory of TL051ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL051ID is usually 5 days.
3.What payment methods are accepted for TL051ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL051ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL051ID?
TL051ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL051ID 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 TL051ID?
For technical support, including TL051ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL051ID requirements.
6.How does Aetrix verify that TL051ID is sourced from the original manufacturer or authorized distributors?
All TL051ID 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 TL051ID meets industry standards.
7.What is the process for return or replacement of TL051ID?
All TL051ID units undergo pre-shipment inspection (PSI). If there is an issue with TL051ID, 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 TL051ID part is unused and in its original packaging.
Return procedure for TL051ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TL051ID Tags
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LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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MCP6006T-E/OT
Microchip Technology
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MCP6006UT-E/OT
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LM2902DR
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LM358P
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