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Texas Instruments TL082BCP
- Part No.:
- TL082BCP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TL082BCP.pdf
- Description:
- IC OPAMP JFET 2 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:9,372
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Product details
Overview
TL082BCP from Texas Instruments is a dual JFET-input operational amplifier designed for precision analog signal conditioning in industrial and audio systems. It delivers 20 V/μs slew rate, ±1 mV input offset voltage (typ), 5.25 MHz gain-bandwidth product, low 37 nV/√Hz input voltage noise at 1 kHz, and operates from ±2.25 V to ±20 V supplies. It is used in pro audio mixers and battery test equipment where high CMRR and rail-to-rail common-mode input range are critical.
For engineers reviewing the TL082BCP datasheet, TL082BCP pinout, TL082BCP application, or TL082BCP equivalent, this page provides verified electrical specifications, SOIC-8 package details, dual-channel FET-input amplifier functionality, thermal performance data, and real-world implementation guidance for stable DC-coupled amplification and active filtering.
Technical Context
The TL082BCP uses a JFET-input differential pair with high-impedance (>1 TΩ common-mode input resistance) and low input bias current (<120 pA typ), enabling accurate sensing in high-source-impedance circuits. Its internal compensation ensures unity-gain stability with capacitive loads up to 300 pF.
It features output short-circuit protection, EMI/RF filtering, and operation across 0°C to 70°C ambient temperature. The device supports wide supply ranges (±2.25 V to ±20 V), and its common-mode input voltage extends to VCC+, allowing direct interfacing with single-supply sensors without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 20 V/μs - enables faithful reproduction of fast transients in audio and control-loop applications without distortion |
| Input Offset Voltage | ±3 mV max (25°C) - ensures <100 μV error in 100× gain instrumentation stages at room temperature |
| Gain-Bandwidth Product | 5.25 MHz - supports stable closed-loop gain ≥10 up to ~500 kHz |
| Input Voltage Noise Density | 37 nV/√Hz at 1 kHz - suitable for low-noise preamplification of microvolt-level sensor signals |
| Common-Mode Input Range | Extends to VCC+ - eliminates need for input biasing resistors when driving from rail-referenced sources |
| Supply Voltage Range | ±2.25 V to ±20 V (4.5 V to 40 V total) - compatible with legacy ±15 V systems and modern low-voltage industrial rails |
| Quiescent Current per Channel | 1.4–2.5 mA - balances low power consumption with high-speed performance for dual-channel designs |
Pinout & Package
TL082BCP is supplied in an 8-pin SOIC (Small Outline Integrated Circuit) package (package code D), with standard pinout optimized for dual op-amp layout and PCB routing efficiency.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output of Amplifier 1 | Low-impedance buffered output capable of sourcing/sinking ±26 mA; requires local decoupling for stability |
| 2 | Inverting Input of Amplifier 1 | High-impedance JFET node; sensitive to leakage-keep traces short and guard against contamination |
| 3 | Non-inverting Input of Amplifier 1 | Matches Pin 2 impedance; used for unity-gain buffers or non-inverting configurations with minimal offset error |
| 4 | Negative Supply (VCC–) | Reference for both amplifiers; must be low-impedance and decoupled near the pin |
| 5 | Non-inverting Input of Amplifier 2 | Independent high-Z input; enables dual-channel signal processing without crosstalk below 1 µV/V at DC |
| 6 | Inverting Input of Amplifier 2 | Electrically identical to Pin 2; supports matched feedback networks for differential or parallel gain stages |
| 7 | Output of Amplifier 2 | Independent output stage; allows simultaneous dual-path signal conditioning on one IC |
| 8 | Positive Supply (VCC+) | Power rail shared by both amplifiers; requires 0.1 µF ceramic + 10 µF bulk capacitance at package edge |
Key Features
| Feature | Design Value |
|---|---|
| High Slew Rate (20 V/μs) | Enables clean amplification of fast step inputs in motor drive current-sense loops and UPS waveform generation |
| Low Input Bias Current (<120 pA typ) | Minimizes voltage error across high-value feedback resistors (e.g., 1 MΩ+), preserving gain accuracy in precision integrators |
| Output Short-Circuit Protection | Prevents latch-up or permanent damage during accidental output shorts-critical for field-deployed test equipment |
| EMI/RF Filtering | Integrated on-die filters suppress 1 GHz interference, improving immunity in noisy industrial environments like solar inverters |
| Wide Common-Mode Range (to VCC+) | Allows direct connection of sensors referenced to positive rail (e.g., shunt-based current monitors), reducing BOM count |
Applications
| Solar Energy String Inverters | Pro Audio Mixers |
|---|---|
|
Use Scenario: Monitoring DC string voltage and current prior to MPPT stage using shunt and divider networks. IC Role / Device Role / Timing Role: Dual-channel precision buffer and difference amplifier for isolated sensor signal conditioning. Use Value: Low input bias current prevents loading of high-resistance voltage dividers; rail-to-rail common-mode input accommodates 0–1000 V sensed ranges with single-supply front-end design. |
Use Scenario: Low-noise microphone preamplification and channel summing in analog mixing consoles. IC Role / Device Role / Timing Role: First-stage gain block and active filter driver in signal path before ADC conversion. Use Value: 37 nV/√Hz input noise density preserves dynamic range; 20 V/μs slew rate avoids slew-induced distortion on transient-rich drum signals. |
| Battery Test Equipment | AC Motor Drive Control |
|
Use Scenario: Precision measurement of charge/discharge current and cell voltage during cycling tests. IC Role / Device Role / Timing Role: Dual-channel current-sense amplifier and reference buffer for DAC-driven voltage setpoints. Use Value: ±3 mV max offset ensures ≤0.03% full-scale error in 10 A shunt measurements; wide supply range supports 3.3 V MCU interface and ±15 V analog backplane. |
Use Scenario: Isolated gate-driver bias supply monitoring and phase-current reconstruction in three-phase inverters. IC Role / Device Role / Timing Role: Signal conditioner for Hall-effect or shunt-based current feedback in closed-loop torque control. Use Value: 5.25 MHz GBW supports >100 kHz loop bandwidth; output short-circuit protection withstands IGBT shoot-through fault conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual JFET-input op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL082CDR | Same SOIC-8 package and pinout; wider operating temperature range (–40°C to 85°C vs. 0°C to 70°C for TL082BCP) | Preferred for extended-temperature industrial deployments; identical AC performance and noise specs | Select TL082CDR when ambient operating temperature exceeds 70°C or long-term reliability under thermal cycling is required. |
| OPA2134PA | Lower input voltage noise (8 nV/√Hz), lower THD+N (0.00008%), but higher quiescent current (4 mA/ch) and no built-in EMI filtering | Better suited for ultra-low-noise audio paths; lacks integrated RF suppression needed in solar inverter EMI environments | Choose OPA2134PA only for premium audio signal chains where EMI immunity is managed externally and power budget permits. |
Compared with TL082CDR and OPA2134PA, TL082BCP offers the best balance of cost, EMI robustness, and sufficient precision for industrial sensor interfaces-making it ideal for volume production in solar, UPS, and motor control systems where reliability under electromagnetic stress is non-negotiable.
Availability
TL082BCP is available at Aetrix Electronics and suitable for solar energy string inverters, pro audio mixers, and battery test equipment requiring stable component supply across multi-year production cycles.
Supply support for TL082BCP 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 heritage in precision op-amps and industrial-grade signal chain solutions.
The TL082BCP belongs to TI's legacy TL08x family-engineered for cost-sensitive, high-reliability analog signal conditioning in industrial, audio, and power electronics applications where JFET input performance and ruggedness are essential.
FAQ
What is the maximum operating temperature range for TL082BCP?
The TL082BCP is rated for operation from 0°C to +70°C ambient temperature. This commercial-grade specification makes it suitable for indoor industrial equipment, audio consoles, and benchtop test instruments-not extended-temperature automotive or military applications. For wider temperature support, consider TL082CDR (–40°C to +85°C) or TL082M (–55°C to +125°C). Always verify thermal derating in your PCB layout using the 95°C/W RθJA value for SOIC-8.
Does TL082BCP support single-supply operation?
Yes, TL082BCP supports true single-supply operation from 4.5 V to 40 V total supply range. Its common-mode input voltage extends to VCC+, allowing inputs to swing up to the positive rail-enabling direct interfacing with unipolar sensors. However, output swing does not reach the rails (minimum headroom ≈105 mV), so mid-supply biasing or rail-splitting is required for AC-coupled signals around ground.
What is the input offset voltage specification for TL082BCP?
The TL082BCP has a maximum input offset voltage of ±3 mV at 25°C, with typical value of ±1 mV. Over the full 0°C to +70°C temperature range, offset drift is ±18 µV/°C. This performance is adequate for medium-precision applications like audio gain stages and motor current sensing, but not for sub-100 µV DC-critical instrumentation-where chopper-stabilized op-amps would be preferred.
Can TL082BCP drive capacitive loads reliably?
TL082BCP is characterized to drive up to 300 pF capacitive load while maintaining stability and specified phase margin (56°). For loads exceeding 300 pF-such as long cables or ADC input capacitors-external isolation resistance (e.g., 50–100 Ω in series with output) is recommended. Do not rely on unity-gain stability beyond this limit; consult Figure 5-25 (Phase Margin vs Capacitive Load) in the official datasheet for exact roll-off behavior.
Is TL082BCP pin-compatible with other TL082 variants?
Yes, TL082BCP shares identical SOIC-8 (D package) pinout with all TL082x variants including TL082CDR, TL082CP, and TL082ACDR. Pin functions-1OUT, 1IN–, 1IN+, VCC–, 2IN+, 2IN–, 2OUT, VCC+-are standardized across the family. This allows drop-in replacement for functional upgrades (e.g., swapping TL082BCP for TL082CDR) without PCB modification, provided thermal and timing requirements remain within spec.
TL082BCP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 13V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 pA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 1.4mA (x2 Channels)
- Current - Output / Channel:
- 10 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TL082BCP FAQ
1.How can I place an order for TL082BCP through Aetrix?
Please submit a Request for Quotation (RFQ) for TL082BCP 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 TL082BCP reliable?
The price and inventory of TL082BCP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL082BCP is usually 5 days.
3.What payment methods are accepted for TL082BCP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL082BCP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL082BCP?
TL082BCP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL082BCP 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 TL082BCP?
For technical support, including TL082BCP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL082BCP requirements.
6.How does Aetrix verify that TL082BCP is sourced from the original manufacturer or authorized distributors?
All TL082BCP 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 TL082BCP meets industry standards.
7.What is the process for return or replacement of TL082BCP?
All TL082BCP units undergo pre-shipment inspection (PSI). If there is an issue with TL082BCP, 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 TL082BCP part is unused and in its original packaging.
Return procedure for TL082BCP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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