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Texas Instruments TLE2081IP
- Part No.:
- TLE2081IP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLE2081IP.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:182
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Product details
Overview
TLE2081IP from Texas Instruments is a single-channel Excalibur high-speed JFET-input operational amplifier designed for precision AC-coupled signal conditioning in industrial and test equipment. It delivers 10.6 MHz unity-gain bandwidth, 32 V/μs slew rate, ±19 V supply capability, and 2.77 μVPP (0.1–10 Hz) input noise voltage. It serves as a direct upgrade to TL081 in oscilloscope front-ends and data acquisition signal chains.
For engineers reviewing the TLE2081IP datasheet, TLE2081IP pinout, TLE2081IP application, or TLE2081IP equivalent, key selection criteria include its JFET-input architecture enabling low input bias current (≤175 nA), wide common-mode range (±11.9 V at ±15 V supplies), and stable operation with 56° phase margin into 2 kΩ loads - critical for high-fidelity analog front-end design.
Technical Context
The TLE2081IP uses a JFET differential input stage with matched P-channel devices, delivering ultra-low input bias current and high input impedance (>6 TΩ differential). Its internal compensation ensures stability with capacitive loads up to 25 pF while maintaining 300 kHz full-output-swing bandwidth.
It operates across –40°C to +85°C with specified performance at both ±5 V and ±15 V supplies, supporting rail-to-rail output swing within ±1.5 V of rails at 20 mA load. The device features low THD+N (0.0032% at 1 kHz) and high CMRR (85 dB), making it suitable for medium-speed precision amplification where DC accuracy and AC fidelity are jointly required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-gain bandwidth | 10.6 MHz - supports stable closed-loop gain ≥1 with ≤100 ns settling to 1 mV for 10 V steps |
| Slew rate | 32 V/μs - enables clean reproduction of >1 MHz sine waves at ±2.3 VPP without slewing distortion |
| Supply voltage range | ±2.25 V to ±19 V - accommodates wide dynamic signal range in high-voltage sensor interfaces |
| Input offset voltage (max) | 6 mV at 25°C - defines worst-case DC error in non-inverting gain-of-100 configurations |
| Input bias current (max) | 175 nA - minimizes voltage error across high-impedance source networks (e.g., piezoelectric sensors) |
| Common-mode input range | –10.9 V to +15 V at ±15 V supplies - allows direct connection to signals referenced near negative rail |
| Output voltage swing | ±11.5 V at ±15 V supplies, 20 mA load - delivers 23 VPP linear output into moderate loads |
Pinout & Package
Package: PDIP-8 (Plastic Dual Inline Package), 9.81 mm × 9.43 mm, through-hole mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connect (NC) | Internally unconnected - must remain floating; no external tie required |
| 2 | Inverting Input (IN–) | Differential input node; high-impedance JFET gate - sensitive to PCB leakage and guarding |
| 3 | Non-inverting Input (IN+) | Differential input node; matched to IN– for common-mode rejection and offset control |
| 4 | Negative Supply (VCC–) | Power return for internal JFET and output stage - requires low-impedance local decoupling |
| 5 | No Connect (NC) | Internally unconnected - must remain floating; no external tie required |
| 6 | Output (OUT) | Class AB push-pull output capable of ±65 mA short-circuit current and ±11.5 V swing at 20 mA |
| 7 | Positive Supply (VCC+) | Power rail for internal circuitry - requires separate 0.1 μF ceramic decoupling adjacent to pin |
| 8 | No Connect (NC) | Internally unconnected - must remain floating; no external tie required |
Key Features
| Feature | Design Value |
|---|---|
| JFET-input architecture | Enables ≤175 nA input bias current and >6 TΩ differential input resistance for high-Z sensor interfacing |
| Excalibur process technology | Delivers 2× bandwidth vs. TL081 (10.6 MHz vs. 3 MHz) without sacrificing DC precision or noise performance |
| Wide supply range (±2.25 V to ±19 V) | Supports single-supply operation down to ±2.25 V and high-voltage signal conditioning up to ±19 V rails |
| Low 1/f noise (2.77 μVPP, 0.1–10 Hz) | Minimizes drift-induced errors in DC-coupled integrators and low-frequency instrumentation amplifiers |
| Stable with capacitive loads ≤25 pF | Eliminates need for isolation resistors when driving ADC input capacitors or coaxial cables |
Applications
| Oscilloscope Front-End Amplifier | Data Acquisition Signal Conditioning |
|---|---|
|
Use Scenario: Amplifying fast transient signals from passive probes before digitization in benchtop oscilloscopes. IC Role / Device Role / Timing Role: High-speed, low-noise gain block with 10.6 MHz bandwidth and 32 V/μs slew rate. Use Value: Preserves rise time integrity of sub-100 ns pulses while rejecting power supply ripple via 99 dB kSVR. |
Use Scenario: Buffering and scaling analog outputs from precision DACs in automated test equipment. IC Role / Device Role / Timing Role: Unity-gain stable buffer with ±11.5 V output swing at ±15 V supplies. Use Value: Delivers full-scale 23 VPP signals into 2 kΩ loads with <0.0032% THD+N at 1 kHz. |
| High-Voltage Sensor Interface | Portable DMM Analog Front-End |
|
Use Scenario: Conditioning outputs from shunt-based current sensors operating at ±15 V rails in industrial drives. IC Role / Device Role / Timing Role: Precision inverting amplifier with ±10.9 V common-mode input range. Use Value: Accepts signals referenced near negative rail without level-shifting, reducing component count. |
Use Scenario: Input amplifier stage in handheld digital multimeters measuring AC/DC voltage and current. IC Role / Device Role / Timing Role: Low-bias-current, low-noise gain stage with 28 nV/√Hz input voltage noise. Use Value: Maintains resolution below 100 μV in 6½-digit measurements by minimizing Johnson and 1/f noise contributions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed JFET-input op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL081CP | 3 MHz GBW, 13 V/μs slew rate, ±15 V max supply, higher input bias current (2 nA typical) | Limited to lower-bandwidth signal paths; less suitable for >1 MHz pulse amplification | Select TLE2081IP when bandwidth, slew rate, or low-bias-current performance exceeds TL081CP requirements |
| OPA2134PA | 8 MHz GBW, 20 V/μs slew rate, FET input, lower noise (8 nV/√Hz @ 1 kHz), but ±18 V max supply | Better noise performance but lower speed; not drop-in compatible due to different pinout and quiescent current | Choose OPA2134PA for audio-grade low-noise applications where 10.6 MHz bandwidth is unnecessary |
Compared with TL081CP and OPA2134PA, the TLE2081IP uniquely balances high speed (10.6 MHz), high slew rate (32 V/μs), and JFET-input precision in an industry-standard PDIP-8 package - enabling direct upgrades in legacy designs while extending bandwidth-limited measurement systems.
Availability
TLE2081IP is available at Aetrix Electronics and suitable for oscilloscope front-ends, portable digital multimeters, and industrial data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLE2081IP 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 90 years of innovation in precision analog ICs.
The TLE208x family was engineered for high-speed, high-voltage precision amplification in test and measurement, industrial automation, and energy metering - combining Excalibur JFET process advantages with robust thermal and ESD performance.
FAQ
What is the maximum supply voltage rating for the TLE2081IP?
The TLE2081IP has an absolute maximum supply voltage rating of ±19 V (38 V total across VCC+ and VCC–). Operation beyond this limit risks permanent damage. Recommended operating range is ±2.25 V to ±19 V per the datasheet's Section 6.3, with full electrical specifications guaranteed at ±5 V and ±15 V supplies. The TLE2081IP maintains stable operation and specified performance across this entire range.
Does the TLE2081IP support single-supply operation?
Yes, the TLE2081IP supports single-supply operation. Its input common-mode range extends to within 1.9 V of the negative rail (e.g., 0 V in a +15 V system), and its output can swing within 1.5 V of either rail. For example, with VCC+ = +15 V and VCC– = 0 V, the device accepts inputs from 0 V to +13.1 V and delivers outputs from +1.5 V to +13.5 V at 20 mA load - enabling use in rail-to-rail-referenced signal chains without dual supplies.
How does the TLE2081IP compare to the TL081 in terms of bandwidth and slew rate?
The TLE2081IP provides 10.6 MHz unity-gain bandwidth and 32 V/μs slew rate - more than double the TL081's 3 MHz bandwidth and 13 V/μs slew rate. This enables the TLE2081IP to accurately amplify faster transients and higher-frequency signals without distortion. Both share identical PDIP-8 packaging and pinout, allowing direct board-level replacement in existing TL081 designs where enhanced speed and dynamic response are needed.
What is the input bias current specification for the TLE2081IP at 25°C?
The TLE2081IP exhibits a maximum input bias current of 175 nA at 25°C, with typical values around 15–20 nA. This low bias current stems from its JFET-input architecture and makes the device well-suited for interfacing with high-impedance sources such as photodiode transimpedance amplifiers, piezoelectric sensors, or RC filter networks where bias-induced voltage errors must be minimized.
Is the TLE2081IP pin-compatible with other members of the TLE208x family?
Yes, the TLE2081IP (single-channel) shares the same PDIP-8 pinout as the TLE2082IP (dual) and TLE2084IP (quad) variants - specifically pins 1 (NC), 2 (IN–), 3 (IN+), 4 (VCC–), 5 (NC), 6 (OUT), 7 (VCC+), and 8 (NC). However, functional channel count differs: only one amplifier is active in the TLE2081IP. This allows consistent PCB layout practices across single/dual/quad versions when space and routing constraints permit.
TLE2081IP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- Excalibur™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 45V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 pA
- Voltage - Input Offset:
- 490 µV
- Current - Supply:
- 1.7mA
- Current - Output / Channel:
- 48 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 38 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TLE2081IP FAQ
1.How can I place an order for TLE2081IP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE2081IP 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 TLE2081IP reliable?
The price and inventory of TLE2081IP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE2081IP is usually 5 days.
3.What payment methods are accepted for TLE2081IP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE2081IP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE2081IP?
TLE2081IP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE2081IP 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 TLE2081IP?
For technical support, including TLE2081IP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE2081IP requirements.
6.How does Aetrix verify that TLE2081IP is sourced from the original manufacturer or authorized distributors?
All TLE2081IP 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 TLE2081IP meets industry standards.
7.What is the process for return or replacement of TLE2081IP?
All TLE2081IP units undergo pre-shipment inspection (PSI). If there is an issue with TLE2081IP, 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 TLE2081IP part is unused and in its original packaging.
Return procedure for TLE2081IP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLE2081IP Tags
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STMicroelectronics
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Texas Instruments
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Texas Instruments
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MCP6006T-E/OT
Microchip Technology
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Microchip Technology
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Texas Instruments
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Texas Instruments
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Texas Instruments
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Texas Instruments
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