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Texas Instruments TLE2084CN
- Part No.:
- TLE2084CN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
TLE2084CN.pdf
- Description:
- IC OPAMP JFET 4 CIRCUIT 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,323
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Product details
Overview
TLE2084CN from Texas Instruments is a quad high-speed JFET-input operational amplifier with 10.6 MHz unity-gain bandwidth, 32 V/μs slew rate, and ±19 V supply capability. It delivers low input offset voltage (7 mV max), low noise (7 nV/√Hz at 1 kHz), and high common-mode rejection (85 dB), enabling precision signal conditioning in oscilloscopes, data acquisition systems, and industrial metering.
For engineers reviewing the TLE2084CN datasheet, TLE2084CN pinout, TLE2084CN application, or TLE2084CN equivalent, key selection criteria include its quad-channel PDIP-14 package, ±2.25 V to ±19 V operating range, 32 V/μs slew rate for fast transient response, and compatibility with legacy TL084 designs while offering doubled bandwidth.
Technical Context
The TLE2084CN uses JFET-input stages to achieve high input impedance (>100 MΩ common-mode, >6 TΩ differential) and low input bias current (≤175 nA). Its internal compensation ensures stable unity-gain operation with 56° phase margin and 300 kHz full-output-swing bandwidth.
It supports rail-to-rail output swing within ±1.5 V of rails at 20 mA load and maintains DC precision across temperature (±10.9 V common-mode range at ±15 V supplies), making it suitable for wide-dynamic-range analog front-ends in test equipment and power electronics monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-gain bandwidth | 10.6 MHz - enables stable amplification up to audio and low RF frequencies without external compensation |
| Slew rate | 32 V/μs - supports fast step response in pulse conditioning and active filter applications |
| Supply voltage range | ±2.25 V to ±19 V - accommodates high-voltage industrial sensors and legacy ±15 V systems |
| Input offset voltage | 7 mV max - ensures <0.05% gain error in 12-bit precision measurement paths |
| Common-mode rejection | 85 dB - rejects noise in differential sensing configurations such as shunt-based current monitors |
| Input noise voltage | 7 nV/√Hz at 1 kHz - preserves SNR in low-level signal amplification (e.g., sensor interfaces) |
| Output current | ±65 mA short-circuit - drives moderate loads like ADC drivers or active filters without external buffers |
Pinout & Package
Package: PDIP-14 (Plastic Dual In-line Package), 19.3 mm × 9.4 mm, through-hole mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OUT | Output | Amplifier channel 1 output; capable of ±65 mA short-circuit current |
| 1IN– | Input | Inverting input for channel 1; JFET input with ≤175 nA bias current |
| 1IN+ | Input | Non-inverting input for channel 1; supports common-mode range to ±10.9 V at ±15 V supplies |
| VCC+ | Power supply | Positive supply rail; accepts up to +19 V |
| 2IN+ | Input | Non-inverting input for channel 2; electrically isolated from other channels |
| 2IN– | Input | Inverting input for channel 2; matched to 1IN– for dual-channel instrumentation |
| 2OUT | Output | Amplifier channel 2 output; identical AC/DC specs to 1OUT |
| 3OUT | Output | Amplifier channel 3 output; enables three independent gain stages on single IC |
| 3IN– | Input | Inverting input for channel 3; supports same noise and offset specs as other inputs |
| 3IN+ | Input | Non-inverting input for channel 3; usable in multi-stage filtering topologies |
| VCC– | Power supply | Negative supply rail; accepts down to –19 V |
| 4IN+ | Input | Non-inverting input for channel 4; completes quad configuration for compact 4-channel signal chains |
| 4IN– | Input | Inverting input for channel 4; enables simultaneous processing of four analog signals |
| 4OUT | Output | Amplifier channel 4 output; fully specified for 32 V/μs slew and 10.6 MHz bandwidth |
Key Features
| Feature | Design Value |
|---|---|
| Direct TL084 upgrade | Pin-compatible replacement with 2× bandwidth and improved slew rate for drop-in system upgrades |
| High-voltage operation | ±19 V rails support industrial transducer interfaces and high-dynamic-range data acquisition |
| Low input noise | 7 nV/√Hz at 1 kHz enables clean amplification of microvolt-level sensor outputs |
| Quad-channel integration | Four independent op-amps in one PDIP-14 reduce PCB area and component count in multi-channel systems |
| Stable unity-gain performance | 56° phase margin ensures reliable operation in active filters and closed-loop configurations without added compensation |
Applications
| Oscilloscope Front-End | Data Acquisition System |
|---|---|
Use Scenario: Amplifying and conditioning fast analog waveforms before digitization in benchtop oscilloscopes. IC Role / Device Role / Timing Role: Quad-channel signal buffer and gain stage with 10.6 MHz bandwidth and 32 V/μs slew rate. Use Value: Preserves signal fidelity up to 3 MHz (–3 dB point) while driving 50 Ω or 1 MΩ scope inputs with minimal overshoot. | Use Scenario: Simultaneous analog signal conditioning for multi-channel industrial sensors (voltage, current, temperature). IC Role / Device Role / Timing Role: Four independent precision amplifiers performing gain, filtering, and level-shifting per channel. Use Value: Enables synchronized sampling of 4 analog inputs with matched DC accuracy (<7 mV offset) and low crosstalk (120 dB). |
| Electricity Meter Analog Front-End | AC Drive Power Stage Monitoring |
Use Scenario: Isolating and scaling shunt-based current measurements and voltage divider outputs in revenue-grade meters. IC Role / Device Role / Timing Role: High-common-mode-rejection (85 dB) amplifier for differential current sensing and voltage scaling. Use Value: Maintains accuracy over ±10.9 V common-mode range at ±15 V supplies, rejecting switching noise in SMPS-powered metering ICs. | Use Scenario: Monitoring phase currents and DC bus voltage in variable-frequency AC motor drives. IC Role / Device Role / Timing Role: Quad op-amp implementing current sense amplification, bus voltage scaling, fault detection, and gate driver biasing. Use Value: ±19 V supply tolerance allows direct interface to 30 V auxiliary rails; 32 V/μs slew rate captures IGBT switching transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL084CN | Lower 3 MHz bandwidth, 13 V/μs slew rate, higher input offset (15 mV max), same PDIP-14 package | Acceptable where speed and precision are secondary to cost and legacy compatibility | Select TL084CN only when design constraints require lowest-cost quad JFET op-amp with no bandwidth upgrade needed |
| OPA4134UA | FET-input, 8 MHz bandwidth, 20 V/μs slew rate, 500 μV max offset, SO-14 package, no PDIP option | Better DC precision and lower noise but requires PCB redesign due to surface-mount-only packaging | Choose OPA4134UA for new designs prioritizing ultra-low distortion (<0.00008% THD+N) and thermal stability over through-hole assembly |
Compared with TL084CN and OPA4134UA, the TLE2084CN uniquely balances legacy PDIP-14 compatibility, doubled bandwidth over TL084, and robust ±19 V operation-making it optimal for upgrading existing test equipment and industrial meters without layout changes.
Availability
TLE2084CN is available at Aetrix Electronics and suitable for oscilloscopes, electricity meters, and AC drive power stage modules requiring stable component supply and long-term industrial availability.
Supply support for TLE2084CN 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 delivering analog and embedded processing solutions for industrial, automotive, and communications markets.
The TLE208x family was designed for high-speed, high-voltage precision analog signal conditioning in test and measurement, energy metering, and industrial control systems.
FAQ
What is the maximum supply voltage rating for the TLE2084CN?
The TLE2084CN supports a total supply voltage of up to 38 V, with individual rails rated from ±2.25 V to ±19 V. This allows operation at ±15 V (30 V total) or ±18 V (36 V total) while maintaining full specification compliance, making it suitable for high-voltage industrial signal chains where the TLE2084CN must interface with ±15 V DACs or sensor excitation circuits.
Does the TLE2084CN support rail-to-rail output swing?
No, the TLE2084CN does not provide rail-to-rail output. At ±15 V supplies and 20 mA load, its output swings from –11.5 V to +11.5 V - a 23 V peak-to-peak range centered around ground. This 3.5 V headroom from each rail is typical for JFET-input op-amps and is explicitly specified in the TLE2084CN datasheet under VOM+ and VOM– parameters.
Is the TLE2084CN pin-compatible with the TL084CN?
Yes, the TLE2084CN is pin-compatible with the TL084CN in the PDIP-14 package. Both share identical pin numbering, terminal functions (1OUT through 4OUT, VCC+, VCC–, and all inputs), and footprint dimensions (19.3 mm × 9.4 mm), enabling direct replacement in legacy designs without PCB modification - a key feature confirmed in TI's official Excalibur amplifier documentation for the TLE2084CN.
What is the input bias current specification for the TLE2084CN at 25°C?
The TLE2084CN exhibits an input bias current of 15 nA minimum to 175 nA maximum at 25°C, as specified in the "TLE2082C Electrical Characteristics" section of the datasheet (which applies identically to the TLE2084CN per family documentation). This JFET-input characteristic ensures high-impedance node stability in high-gain transimpedance or filter configurations where the TLE2084CN is used.
Can the TLE2084CN operate from a single supply?
Yes, the TLE2084CN can operate from a single supply by referencing VCC– to ground and applying a positive voltage to VCC+, provided the input common-mode and output swing ranges remain within specification. For example, with VCC+ = +38 V and VCC– = 0 V, the input common-mode range is 0 V to +37.1 V and output swing spans ~1.5 V to ~36.5 V at light load - a configuration validated in TI's TLE2084CN application notes for high-side current sensing.
TLE2084CN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 45V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 pA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 6.3mA (x4 Channels)
- Current - Output / Channel:
- 48 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 38 V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
TLE2084CN FAQ
1.How can I place an order for TLE2084CN through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE2084CN 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 TLE2084CN reliable?
The price and inventory of TLE2084CN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE2084CN is usually 5 days.
3.What payment methods are accepted for TLE2084CN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE2084CN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE2084CN?
TLE2084CN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE2084CN 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 TLE2084CN?
For technical support, including TLE2084CN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE2084CN requirements.
6.How does Aetrix verify that TLE2084CN is sourced from the original manufacturer or authorized distributors?
All TLE2084CN 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 TLE2084CN meets industry standards.
7.What is the process for return or replacement of TLE2084CN?
All TLE2084CN units undergo pre-shipment inspection (PSI). If there is an issue with TLE2084CN, 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 TLE2084CN part is unused and in its original packaging.
Return procedure for TLE2084CN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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