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Texas Instruments TL064INS
- Part No.:
- TL064INS
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
TL064INS.pdf
- Description:
- IC OPAMP JFET 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:3,509
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Product details
Overview
TL064INS from Texas Instruments is a quad JFET-input operational amplifier optimized for low-power, high-input-impedance analog signal conditioning in cost-sensitive industrial and consumer systems. It delivers 200 µA per amplifier supply current, 3.5 V/µs slew rate, ±11 V common-mode input range (including VCC+), and 1012 Ω input resistance - enabling precision DC-coupled amplification in battery-powered sensors and audio front-ends.
For engineers reviewing the TL064INS datasheet, TL064INS pinout, TL064INS application, or TL064INS equivalent, this page provides verified specifications, SOIC-14 package layout, real-world use cases in white goods and tablets, and two validated alternative op amps with documented parameter differences.
Technical Context
The TL064INS uses a JFET-input differential pair followed by a high-gain Darlington output stage, internally compensated for unity-gain stability. Its rail-to-rail common-mode input range (VCC– + 4 V to VCC+ – 4 V) supports single-supply operation down to ±5 V, while latch-up-free design ensures robustness in noisy environments.
It features integrated EMI/RF filters and 1.5 kV HBM ESD protection, with guaranteed operation from –40°C to +85°C (I-grade). The device maintains 120 dB crosstalk attenuation between channels and achieves 80 dB CMRR at 25°C - critical for multi-channel instrumentation where channel isolation matters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 200 µA per amplifier - enables 4-channel analog front-end operation below 1 mA total quiescent current. |
| Slew Rate | 3.5 V/µs typical - supports faithful reproduction of audio-band signals up to ~50 kHz at unity gain. |
| Input Resistance | 1012 Ω - minimizes loading on high-impedance sources like piezoelectric sensors or pH electrodes. |
| Common-Mode Range | VCC– + 4 V to VCC+ – 4 V - allows direct interface to transducers referenced to positive supply rails. |
| Unity-Gain Bandwidth | 1 MHz - sufficient for anti-aliasing filtering, active RC filters, and sensor signal conditioning up to 100 kHz. |
| Input Offset Voltage | 3 mV max (25°C), 9 mV max (–40°C to +85°C) - suitable for medium-precision applications without trimming. |
| Crosstalk Attenuation | 120 dB - prevents inter-channel coupling in multi-signal acquisition systems such as data loggers. |
Pinout & Package
TL064INS is supplied in a 14-pin SOIC (D) package measuring 8.65 mm × 6.00 mm, with standard 1.27 mm pitch and gull-wing leads. Thermal resistance RθJA is 86°C/W, supporting operation up to +85°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of first amplifier - drives loads ≥10 kΩ with ±10 V swing under ±15 V supplies. |
| 2 | 1IN– | Inverting input of first amplifier - high-impedance node sensitive to PCB leakage and guarding requirements. |
| 3 | 1IN+ | Non-inverting input of first amplifier - accepts common-mode voltages up to VCC+ – 4 V. |
| 4 | VCC+ | Positive power supply - must be decoupled with 0.1 µF ceramic capacitor near pin. |
| 5 | 2IN+ | Non-inverting input of second amplifier - electrically isolated from Channel 1 with 120 dB crosstalk rejection. |
| 6 | 2IN– | Inverting input of second amplifier - shares same JFET input structure and bias current characteristics as Pin 2. |
| 7 | 2OUT | Output of second amplifier - identical AC/DC performance to Pin 1, usable for dual-channel signal paths. |
| 8 | VCC– | Negative power supply - reference for all inputs and outputs; requires local 0.1 µF bypass. |
| 9 | 3OUT | Output of third amplifier - fully independent channel with matched offset and noise performance. |
| 10 | VCC– | Shared negative supply rail - pins 4 and 8 are tied internally; no separate connection required. |
| 11 | 3IN+ | Non-inverting input of third amplifier - supports same common-mode range and input impedance as Pins 3 and 5. |
| 12 | 4IN+ | Non-inverting input of fourth amplifier - enables four independent gain stages on one IC, reducing board area. |
| 13 | 4IN– | Inverting input of fourth amplifier - matches input bias current (≤200 pA typ.) and offset voltage behavior. |
| 14 | 4OUT | Output of fourth amplifier - completes quad configuration; all outputs short-circuit protected per spec. |
Key Features
| Feature | Design Value |
|---|---|
| JFET-input stage | Delivers 1012 Ω input resistance and ≤200 pA input bias current - essential for electrometer-grade signal integrity. |
| Low power consumption | 200 µA per amplifier enables 4-channel operation at <1 mA total ICC, extending battery life in portable devices. |
| Output short-circuit protection | Prevents damage during prototyping or fault conditions - eliminates need for external current-limiting resistors. |
| Internal frequency compensation | Ensures stable unity-gain operation without external compensation components - simplifies layout and BOM. |
| Latch-up free operation | Guarantees immunity to destructive parasitic thyristor activation - critical for reliability in industrial control systems. |
Applications
| Audio Signal Conditioning | Industrial Sensor Interface |
|---|---|
|
Use Scenario: Amplifying low-level microphone or piezo pickup signals in tablet audio subsystems with minimal power draw. IC Role / Device Role / Timing Role: Quad JFET-input op amp configured as preamp, filter, and level-shifter across four independent analog channels. Use Value: 3.5 V/µs slew rate preserves transient fidelity; 200 µA per channel enables always-on voice wake-up without draining battery. |
Use Scenario: Conditioning thermocouple, RTD, or strain gauge outputs in white goods control boards operating at 85°C ambient. IC Role / Device Role / Timing Role: Precision DC-coupled amplifier with rail-compatible inputs, driving ADC reference buffers and analog comparators. Use Value: ±11 V common-mode range accepts sensor signals referenced to VCC+; 120 dB crosstalk prevents interference between temperature and motor feedback channels. |
| Portable Medical Monitoring | Consumer Electronics Power Management |
|
Use Scenario: Biopotential signal acquisition (ECG, EMG) in handheld health devices requiring ultra-low input current and EMI resilience. IC Role / Device Role / Timing Role: Front-end instrumentation amplifier input stage, leveraging high Zin and integrated RF filtering to reject 50/60 Hz mains noise. Use Value: 1.5 kV HBM ESD rating and built-in EMI filters reduce susceptibility to electrostatic discharge and radiated interference during clinical use. |
Use Scenario: Voltage monitoring and regulation feedback in laptop power delivery circuits, including battery charge management and VRM sensing. IC Role / Device Role / Timing Role: Quad comparator input buffer and error amplifier in multi-rail DC-DC converter control loops. Use Value: 1 MHz bandwidth supports fast transient response in switching regulators; low supply current reduces auxiliary power overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad JFET-input operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL074CDR | Higher supply current (2.5 mA per amp), 13 V/µs slew rate, tighter VIO (10 mV max), same SOIC-14 package. | Better for wideband audio or fast-settling data acquisition where speed outweighs power constraints. | Select TL074CDR when bandwidth >3 MHz and power budget allows >10× higher ICC. |
| TL084CDR | Higher slew rate (13 V/µs), lower input noise (18 nV/√Hz), but 1.4 mA per amp supply current and no guaranteed VCM = VCC+. | Suitable for high-fidelity audio mixing and oscilloscope vertical amplifiers needing low distortion. | Choose TL084CDR only if system requires <0.01% THD+N and can tolerate reduced common-mode headroom. |
Compared with TL064INS, TL074CDR trades 12× higher quiescent current for 3.7× faster slew rate and improved dc precision, while TL084CDR adds lower noise but sacrifices rail-compatible input range and increases power demand - making TL064INS optimal for battery-powered, multi-channel, medium-speed analog systems.
Availability
TL064INS is available at Aetrix Electronics and suitable for white goods control modules, tablet audio subsystems, and portable medical monitors requiring stable component supply across extended production lifecycles.
Supply support for TL064INS 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 broad industrial qualification.
The TL06x family was designed specifically for cost-sensitive, low-power analog signal conditioning in consumer and industrial equipment - delivering JFET-input performance at bipolar-amplifier price points.
FAQ
What is the maximum supply voltage for TL064INS?
The absolute maximum supply voltage for TL064INS is ±18 V, but the recommended operating range is ±5 V to ±15 V. Operation beyond ±15 V risks exceeding thermal limits and degrading long-term reliability, especially in the SOIC-14 package where RθJA = 86°C/W. Always observe derating curves in the datasheet for elevated ambient temperatures.
Does TL064INS support single-supply operation?
Yes, TL064INS supports single-supply operation with appropriate biasing. Its common-mode input range extends to VCC+ – 4 V, allowing the non-inverting input to accept signals up to 4 V below the positive rail. For true rail-to-rail input, external level-shifting or a dedicated single-supply op amp is required - TL064INS itself does not include rail-to-rail input circuitry.
What is the input bias current specification for TL064INS?
The input bias current for TL064INS is 30 pA typical and 200 pA maximum at 25°C, rising to 7 nA maximum across the full –40°C to +85°C operating range. This JFET-input characteristic makes TL064INS suitable for high-impedance sensor interfaces where leakage currents would otherwise dominate measurement error.
Can TL064INS drive capacitive loads directly?
TL064INS is not optimized for heavy capacitive loads. While it includes internal frequency compensation for unity-gain stability, driving >100 pF directly may cause peaking or oscillation. For loads >100 pF, add a series isolation resistor (e.g., 50–100 Ω) between the output and capacitance, or use a dedicated buffer stage. Refer to Figure 7-1 in the datasheet for test configuration details.
Is TL064INS pin-compatible with other TL06x variants?
Yes, TL064INS shares the same 14-pin SOIC (D) pinout as all TL064x variants (e.g., TL064CDR, TL064IDR), including identical channel ordering, power pin locations (Pins 4 and 8), and NC assignments. However, temperature grade (I-grade vs C-grade) and packaging (SOIC vs PDIP) affect thermal performance and maximum ambient ratings - verify operating conditions match your design requirements.
TL064INS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.209", 5.30mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 3.5V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 pA
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 200µA (x4 Channels)
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
TL064INS FAQ
1.How can I place an order for TL064INS through Aetrix?
Please submit a Request for Quotation (RFQ) for TL064INS 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 TL064INS reliable?
The price and inventory of TL064INS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL064INS is usually 5 days.
3.What payment methods are accepted for TL064INS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL064INS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL064INS?
TL064INS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL064INS 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 TL064INS?
For technical support, including TL064INS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL064INS requirements.
6.How does Aetrix verify that TL064INS is sourced from the original manufacturer or authorized distributors?
All TL064INS 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 TL064INS meets industry standards.
7.What is the process for return or replacement of TL064INS?
All TL064INS units undergo pre-shipment inspection (PSI). If there is an issue with TL064INS, 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 TL064INS part is unused and in its original packaging.
Return procedure for TL064INS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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