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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Texas Instruments TL064ACN

Name: TL064ACN
Brand: Texas Instruments
SKU: TL064ACN
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TL064ACN

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-DIP (0.300", 7.62mm)

Datasheet:: TL064ACN.pdf

Description:: IC OPAMP JFET 4 CIRCUIT 14DIP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TL064ACN from Texas Instruments is a quad JFET-input operational amplifier designed for low-power, high-input-impedance signal conditioning in cost-sensitive analog circuits. It delivers 200 µA per amplifier supply current, 3.5 V/µs slew rate, ±11 V common-mode input range (with V_CC+ inclusion), and 1 MHz unity-gain bandwidth - enabling precision DC-coupled amplification in battery-powered and thermally constrained systems such as sensor front-ends and portable audio preamps.

For engineers reviewing the TL064ACN datasheet, TL064ACN pinout, TL064ACN application, or TL064ACN equivalent, key selection considerations include its JFET-input stage (10¹² Ω input resistance), rail-to-rail common-mode capability, low 5 pA typical input offset current, and PDIP-14 package compatibility with legacy through-hole layouts - all critical for stable, low-drift, low-noise analog signal chains operating across 0°C to 70°C.

Technical Context

The TL064ACN implements a fully differential JFET-input stage followed by a high-gain bipolar output stage, providing inherent latch-up-free operation and internal frequency compensation for unity-gain stability. Its architecture supports wide supply ranges (±5 V to ±15 V) and features integrated EMI/RF filtering to suppress high-frequency interference without external components.

Designed as a low-power counterpart to the TL074 and TL084 families, the TL064ACN maintains comparable AC performance (1 MHz GBW, 3.5 V/µs SR) while reducing quiescent current by ~50%. It achieves 86 dB CMRR and 95 dB PSRR at 25°C, with guaranteed operation over the commercial temperature range (0°C to 70°C) under specified load and supply conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Current (per amp)	200 µA typical - enables multi-amplifier designs in power-limited applications like handheld instruments and IoT sensor nodes.
Input Bias Current	30 pA typical at 25°C - minimizes voltage error in high-impedance source networks (e.g., photodiode transimpedance amps).
Input Offset Voltage	3 mV max at 25°C - ensures <10 mV total DC error in unity-gain configurations without trimming.
Slew Rate	3.5 V/µs typical - supports clean amplification of signals up to ~100 kHz at 10 V_PP without slew-induced distortion.
Unity-Gain Bandwidth	1 MHz - provides adequate phase margin for stable closed-loop gain ≥1 with standard capacitive loads ≤100 pF.
Common-Mode Input Range	Includes V_CC+ - allows direct interfacing with rail-referenced sensors and single-supply-compatible biasing schemes.
ESD Rating (HBM)	2000 V - meets industrial handling requirements without additional protection circuitry in board-level assembly.

Pinout & Package

TL064ACN is supplied in a 14-pin plastic dual in-line package (PDIP, N package), 19.31 mm × 7.94 mm footprint, with through-hole mounting and industry-standard pin spacing (2.54 mm). Pin 1 is top-left corner (notch side), pin 14 is bottom-right.

Pin/Terminal	Circuit Role	Design Meaning
1	1OUT	Output of first amplifier - drives loads ≥10 kΩ; short-circuit protected.
2	1IN−	Inverting input of first amplifier - high-impedance JFET node; sensitive to layout parasitics.
3	1IN+	Non-inverting input of first amplifier - accepts common-mode voltages up to V_CC+.
4	V_CC+	Positive supply rail - must be decoupled locally with 0.1 µF ceramic capacitor.
5	2IN+	Non-inverting input of second amplifier - electrically isolated from other inputs; no crosstalk below –120 dB.
6	2IN−	Inverting input of second amplifier - matched to pin 2 for common-mode rejection.
7	2OUT	Output of second amplifier - independent output stage; shares thermal path with pins 1 and 8.
8	V_CC−	Negative supply rail - referenced to system ground in single-supply use; requires symmetric decoupling.
9	3IN−	Inverting input of third amplifier - identical electrical characteristics to pins 2 and 6.
10	3IN+	Non-inverting input of third amplifier - supports rail-to-rail common-mode operation.
11	3OUT	Output of third amplifier - fully specified for drive into 10 kΩ \|\| 100 pF loads.
12	4IN+	Non-inverting input of fourth amplifier - pin-compatible with TL074/TL084 for drop-in replacement where power budget allows.
13	4IN−	Inverting input of fourth amplifier - matched input pair with pin 12 for balanced noise rejection.
14	4OUT	Output of fourth amplifier - same AC/DC specs as pins 1, 7, and 11; validated for continuous short-circuit duty.

Key Features

Feature	Design Value
JFET-input stage	10¹² Ω input resistance enables ultra-low leakage signal paths for piezoelectric sensors and pH electrodes.
Internal frequency compensation	Guarantees stable unity-gain operation without external compensation components - reduces BOM count and layout risk.
Output short-circuit protection	Allows indefinite output shorting to either rail or ground without damage - simplifies fault-tolerant design in motor control feedback loops.
Wide common-mode range (includes V_CC+)	Permits direct connection of high-side current-sense resistors or rail-referenced thermocouple amplifiers without level-shifting.
Low input offset current (5 pA typ)	Reduces voltage error in high-Z networks - critical for precision integrators and logarithmic amplifiers where bias current dominates drift.
High ESD immunity (2 kV HBM)	Eliminates need for external ESD diodes in production environments with standard handling protocols - lowers system-level test overhead.

Applications

Portable Audio Preamp	Industrial Sensor Signal Conditioning
Use Scenario: Amplifying low-level microphone or line-level signals in battery-powered tablets and personal electronics before ADC sampling. IC Role / Device Role / Timing Role: Quad op-amp configured as two differential preamps and two active filters - each channel uses one amplifier pair for gain + filtering. Use Value: 200 µA per amplifier enables >100 hours of operation on a 1000 mAh Li-ion cell while maintaining SNR >85 dB via low input noise (30 nV/√Hz) and minimal THD.	Use Scenario: Conditioning outputs from RTDs, strain gauges, and thermocouples in white goods control boards operating across 0°C–70°C ambient. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end (gain = 100) using matched TL064ACN pairs for input buffering and differential amplification. Use Value: 3 mV max input offset and 10 µV/°C drift ensure <±1°C measurement accuracy without calibration - meeting IEC 60730 Class B requirements.
Computer Power Supply Monitoring	Legacy Industrial Control Interface
Use Scenario: Real-time monitoring of +3.3 V, +5 V, +12 V, and –12 V rails in desktop/server PSUs with discrete voltage dividers and comparator thresholds. IC Role / Device Role / Timing Role: Four independent voltage comparators (open-loop mode) detecting over/under-voltage faults with hysteresis via external resistors. Use Value: Rail-to-rail input capability allows direct sensing of all four rails without level shifters; low supply current extends PSU standby time without compromising response latency.	Use Scenario: Retrofitting analog I/O modules in PLC backplanes requiring 4–20 mA loop drivers and 0–10 V DAC buffers compatible with existing PDIP-14 footprints. IC Role / Device Role / Timing Role: Quad buffer for DAC outputs and current-loop transmitter stages - leveraging pinout compatibility with legacy TL084 designs. Use Value: Identical pinout and footprint to TL084 enables drop-in replacement; 50% lower power reduces thermal load in densely packed DIN-rail enclosures.

Portable Audio Preamp

Industrial Sensor Signal Conditioning

Use Scenario: Amplifying low-level microphone or line-level signals in battery-powered tablets and personal electronics before ADC sampling.

IC Role / Device Role / Timing Role: Quad op-amp configured as two differential preamps and two active filters - each channel uses one amplifier pair for gain + filtering.

Use Value: 200 µA per amplifier enables >100 hours of operation on a 1000 mAh Li-ion cell while maintaining SNR >85 dB via low input noise (30 nV/√Hz) and minimal THD.

Use Scenario: Conditioning outputs from RTDs, strain gauges, and thermocouples in white goods control boards operating across 0°C–70°C ambient.

IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end (gain = 100) using matched TL064ACN pairs for input buffering and differential amplification.

Use Value: 3 mV max input offset and 10 µV/°C drift ensure <±1°C measurement accuracy without calibration - meeting IEC 60730 Class B requirements.

Computer Power Supply Monitoring

Legacy Industrial Control Interface

Use Scenario: Real-time monitoring of +3.3 V, +5 V, +12 V, and –12 V rails in desktop/server PSUs with discrete voltage dividers and comparator thresholds.

IC Role / Device Role / Timing Role: Four independent voltage comparators (open-loop mode) detecting over/under-voltage faults with hysteresis via external resistors.

Use Value: Rail-to-rail input capability allows direct sensing of all four rails without level shifters; low supply current extends PSU standby time without compromising response latency.

Use Scenario: Retrofitting analog I/O modules in PLC backplanes requiring 4–20 mA loop drivers and 0–10 V DAC buffers compatible with existing PDIP-14 footprints.

IC Role / Device Role / Timing Role: Quad buffer for DAC outputs and current-loop transmitter stages - leveraging pinout compatibility with legacy TL084 designs.

Use Value: Identical pinout and footprint to TL084 enables drop-in replacement; 50% lower power reduces thermal load in densely packed DIN-rail enclosures.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad JFET-input op-amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TL074CN	Higher supply current (2.5 mA/amp), faster slew rate (13 V/µs), tighter offset (10 mV max), same PDIP-14 package.	Better for wideband AC-coupled applications (e.g., audio equalizers); unsuitable for sub-mA power budgets.	Select TL074CN only when bandwidth/speed outweighs power constraints - not a direct replacement for TL064ACN in battery-powered systems.
TL084CN	Higher supply current (1.4 mA/amp), higher input bias current (300 pA), same GBW (3 MHz), same package.	Preferred for general-purpose amplification where cost and speed matter more than ultra-low bias current or ESD robustness.	Choose TL084CN for non-critical sensor interfaces or legacy designs already using its higher-noise profile - avoid where input impedance >10¹¹ Ω is required.

Compared with TL074CN and TL084CN, TL064ACN offers the lowest quiescent power and highest input impedance among TI's quad JFET op-amps in PDIP-14, making it uniquely suited for always-on, high-Z, and thermally restricted applications - though it trades off bandwidth and slew rate for those advantages.

Availability

TL064ACN is available at Aetrix Electronics and suitable for portable audio preamps, industrial sensor signal conditioning, computer power supply monitoring, and legacy industrial control interface applications requiring stable component supply and long-term obsolescence management.

Supply support for TL064ACN 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, with over 50 years of op-amp innovation and manufacturing excellence.

The TL06x family was engineered to provide cost-effective, low-power JFET-input performance for mainstream industrial and consumer electronics - balancing precision, ruggedness, and manufacturability in standard packages.

FAQ

What is the maximum supply voltage rating for TL064ACN?

The absolute maximum supply voltage for TL064ACN is ±18 V, but the recommended operating range is ±5 V to ±15 V. Operating beyond ±15 V risks exceeding junction temperature limits and degrading long-term reliability, even if within absolute ratings. The TL064ACN datasheet specifies full parametric performance only within the recommended range, and thermal derating must be applied above 70°C ambient.

Does TL064ACN support single-supply operation?

Yes, TL064ACN supports single-supply operation with appropriate input biasing. Its common-mode input range includes V_CC+, allowing the non-inverting input to be tied directly to the positive rail. For proper output swing, the negative supply (V_CC−) should be connected to ground or a reference voltage, and input signals must remain within the specified VICR (e.g., 0 V to V_CC+ – 4 V at 25°C). Decoupling and level-shifting may be needed for full-rail input coverage.

How does TL064ACN differ from TL064CN?

TL064ACN features tighter initial input offset voltage (3 mV max vs. 6 mV max for TL064CN) and improved input offset current (5 pA typ vs. 200 pA typ), reflecting enhanced process control and binning. Both share identical pinout, package, supply current, slew rate, and temperature range (0°C to 70°C). The 'A' grade is selected for applications demanding lower DC error without trimming - such as precision instrumentation or calibrated sensor interfaces where offset drift dominates system error.

Is TL064ACN pin-compatible with TL074 or TL084?

TL064ACN is pin-compatible with TL074CN and TL084CN in the PDIP-14 package (N suffix), sharing identical pin functions and physical footprint. However, differences in supply current, input bias current, and slew rate mean functional substitution requires validation of power budget, noise, and bandwidth requirements. No PCB changes are needed for mechanical replacement, but schematic review is essential to confirm electrical compatibility in the target application.

What thermal considerations apply to TL064ACN in PDIP-14 package?

In the N-package (PDIP-14), TL064ACN has a junction-to-ambient thermal resistance (R_θJA) of 80°C/W. At maximum rated dissipation (7.5 mW per amplifier × 4 = 30 mW), self-heating exceeds 2.4°C above ambient - negligible for most applications. However, in enclosed or high-ambient environments (>50°C), derating is advised: power should be reduced by 1.25 mW/°C above 70°C ambient to maintain TJ ≤ 150°C. Proper PCB copper pour under the package improves heat spreading.

TL064ACN 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:: 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:: -

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:: 14-PDIP

TL064ACN FAQ

1.How can I place an order for TL064ACN through Aetrix?

Please submit a Request for Quotation (RFQ) for TL064ACN 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 TL064ACN reliable?

The price and inventory of TL064ACN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL064ACN is usually 5 days.

3.What payment methods are accepted for TL064ACN?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL064ACN transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TL064ACN?

TL064ACN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TL064ACN 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 TL064ACN?

For technical support, including TL064ACN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL064ACN requirements.

6.How does Aetrix verify that TL064ACN is sourced from the original manufacturer or authorized distributors?

All TL064ACN 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 TL064ACN meets industry standards.

7.What is the process for return or replacement of TL064ACN?

All TL064ACN units undergo pre-shipment inspection (PSI). If there is an issue with TL064ACN, 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 TL064ACN part is unused and in its original packaging.

Return procedure for TL064ACN:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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