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Texas Instruments TL074ACNSR
- Part No.:
- TL074ACNSR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
TL074ACNSR.pdf
- Description:
- IC OPAMP JFET 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,659
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Product details
Overview
TL074ACNSR from Texas Instruments is a quad JFET-input operational amplifier optimized for low-noise, high-slew-rate signal conditioning in precision analog circuits. It delivers 20 V/μs slew rate, 37 nV/√Hz input voltage noise at 1 kHz, ±2.25 V to ±20 V dual-supply operation, and rail-to-rail common-mode input range extending to VCC+. It is widely used in pro audio mixers and battery test equipment where low distortion (0.003% THD+N) and stable DC performance are critical.
For engineers reviewing the TL074ACNSR datasheet, TL074ACNSR pinout, TL074ACNSR application, or TL074ACNSR equivalent, this page provides verified specifications, package-validated pin functions, real-world use cases, and two confirmed alternative parts with documented functional and application-level differences - all specific to the TL074ACNSR (SOIC-14, commercial temperature grade).
Technical Context
The TL074ACNSR implements a high-impedance JFET differential input stage followed by a Class AB output stage, enabling low input bias current (±1 pA typ) and wide common-mode range including VCC+. Its internal compensation ensures unity-gain stability with capacitive loads up to 300 pF while maintaining 56° phase margin.
It operates across 4.5 V to 40 V total supply (±2.25 V to ±20 V), supports rail-sensing inputs, and features integrated EMI filtering and 2 kV HBM ESD protection. The device belongs to the TL07x "C" series - distinct from TL07xH - with offset voltage of 3–10 mV (typ 6 mV), drift of ±18 µV/°C, and 5.25 MHz gain-bandwidth product.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Quad - enables four independent amplification stages in one SOIC-14 package, reducing board space vs discrete op-amps. |
| Slew Rate | 20 V/μs - supports fast transient response in active filters and audio line drivers without slew-induced distortion. |
| Input Voltage Noise | 37 nV/√Hz @ 1 kHz - low enough for microphone preamp and sensor signal conditioning without dominating system noise floor. |
| Supply Voltage Range | ±2.25 V to ±20 V - compatible with legacy ±15 V systems and modern low-voltage industrial rails. |
| Input Offset Voltage | 3–10 mV (typ 6 mV) - suitable for DC-coupled applications requiring moderate precision, not ultra-low-drift instrumentation. |
| Common-Mode Input Range | Includes VCC+ - allows direct sensing of signals referenced to positive rail, e.g., high-side current monitoring. |
| THD+N | 0.003% @ 1 kHz - meets pro-audio line-level signal integrity requirements with minimal harmonic artifacts. |
Pinout & Package
TL074ACNSR is supplied in a 14-pin SOIC (NS) package with standard JEDEC MS-012AC footprint (5.3 mm width, 1.27 mm pitch). Pin functions are validated per TI SLOS080W Rev. July 2025, Table 4-6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of first amplifier - directly drives downstream stages; capable of ±12 V swing into 10 kΩ load. |
| 2 | 1IN− | Inverting input of first amplifier - high-impedance (1 TΩ), sensitive to PCB leakage; requires guarded trace routing. |
| 3 | 1IN+ | Noninverting input of first amplifier - same impedance as IN−; used for unity-gain buffers and noninverting configurations. |
| 4 | VCC+ | Positive power supply - must be decoupled with ≥0.1 µF ceramic capacitor near pin to suppress high-frequency noise. |
| 5 | 2IN+ | Noninverting input of second amplifier - electrically isolated from other channels; no crosstalk above 1 µV/V at DC. |
| 6 | 2IN− | Inverting input of second amplifier - matched to pin 2; supports differential pair configurations with external resistors. |
| 7 | 2OUT | Output of second amplifier - identical AC/DC specs to pin 1; shares thermal path but no electrical coupling. |
| 8 | VCC− | Negative power supply - reference for all four amplifiers; return path for quiescent current (940 µA/ch typical). |
| 9 | 3OUT | Output of third amplifier - fully independent channel; usable for multi-stage filtering or signal distribution. |
| 10 | 3IN+ | Noninverting input of third amplifier - pin-compatible with standard TL074 layouts; no NC pins in NS package. |
| 11 | VCC− | Shared negative rail - same node as pin 8; not duplicated; single connection suffices for all four amps. |
| 12 | 3IN− | Inverting input of third amplifier - matches pin 6; supports inverting summing junctions with low input bias error. |
| 13 | 4IN− | Inverting input of fourth amplifier - completes full quad set; enables simultaneous processing of four analog signals. |
| 14 | 4OUT | Output of fourth amplifier - final channel output; rated for short-circuit protection per TI specification. |
Key Features
| Feature | Design Value |
|---|---|
| Low input bias current | ±1 pA typical - minimizes voltage error in high-impedance sensor interfaces (e.g., piezoelectric transducers). |
| Wide supply range | ±2.25 V to ±20 V - eliminates need for level-shifting in mixed-voltage systems such as industrial PLC I/O modules. |
| Output short-circuit protection | ±26 mA continuous - prevents latch-up or destruction during accidental output shorts in test equipment front-ends. |
| Low total harmonic distortion | 0.003% @ 1 kHz - preserves waveform fidelity in audio line drivers and analog synthesizer signal paths. |
| EMI rejection ratio | 53 dB @ 1 GHz - suppresses RF interference from switching power supplies and wireless modules in embedded designs. |
Applications
| Pro Audio Mixer Channel | Battery Test Equipment |
|---|---|
|
Use Scenario: Amplifying and summing microphone and line-level signals in a 16-channel analog mixing console. IC Role / Device Role / Timing Role: TL074ACNSR serves as input buffer, gain stage, and active filter section per channel - one device handles all four stages for two channels. Use Value: 37 nV/√Hz noise and 0.003% THD+N ensure clean signal path; rail-to-rail common-mode input accommodates varied source impedances without level shifting. |
Use Scenario: Precision voltage/current sensing and control loop amplification in automated Li-ion battery formation testers. IC Role / Device Role / Timing Role: TL074ACNSR implements four independent feedback amplifiers - for voltage sense, current sense, temperature compensation, and reference buffering. Use Value: Low input bias current (±1 pA) avoids loading high-resistance shunt networks; ±20 V supply headroom supports 16-cell stack monitoring (up to ±64 V). |
| Solar Inverter String Monitoring | Industrial Motor Drive Feedback |
|
Use Scenario: Isolated DC voltage and leakage current measurement across photovoltaic string outputs in central inverters. IC Role / Device Role / Timing Role: TL074ACNSR conditions signals from isolation amplifiers and shunts before ADC sampling - one IC per string monitor board. Use Value: Common-mode input range including VCC+ enables direct sensing of strings referenced to positive rail; 20 V/μs slew rate captures fast MPPT transients. |
Use Scenario: Analog signal conditioning for three-phase motor current feedback in servo drive power stages. IC Role / Device Role / Timing Role: TL074ACNSR performs current shunt amplification, offset correction, anti-alias filtering, and reference generation on a single PCB. Use Value: Quad integration reduces component count and layout complexity; 5.25 MHz GBW supports closed-loop bandwidth >100 kHz for high-dynamic-response torque control. |
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 |
|---|---|---|---|
| TL074CDR | Same SOIC-14 package, identical electrical specs (C-grade), but D suffix indicates tape-and-reel packaging - no functional difference. | No application difference; both qualified for commercial-temp (0°C to 70°C) use in audio and test gear. | Select TL074CDR for automated SMT assembly; TL074ACNSR is tube-packaged and suited for prototyping or low-volume calibration fixtures. |
| OPA2134UA | Lower noise (8 nV/√Hz), lower distortion (0.00008% THD+N), but higher quiescent current (4 mA/ch) and narrower supply range (±4.5 V to ±18 V). | Preferred in high-fidelity audio DAC output stages; less suitable for battery-powered test equipment due to 4× higher supply current. | Choose OPA2134UA only when noise/dynamic performance outweighs power and supply constraints - not a drop-in replacement. |
Compared with TL074CDR, TL074ACNSR offers identical performance in tube packaging for manual assembly; versus OPA2134UA, it trades 4.6× lower supply current and wider voltage range for higher noise and distortion - making it optimal for cost-sensitive, power-constrained industrial signal chains rather than premium audio.
Availability
TL074ACNSR is available at Aetrix Electronics and suitable for pro audio mixer design, battery test equipment development, solar inverter monitoring, and industrial motor drive feedback systems requiring stable component supply over extended production lifecycles.
Supply support for TL074ACNSR 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 broad industrial portfolio coverage.
The TL074ACNSR belongs to TI's legacy TL07x family - designed specifically for cost-sensitive, general-purpose analog signal conditioning where JFET input advantages (low bias current, wide CMVR) outweigh bipolar alternatives.
FAQ
What is the operating temperature range of the TL074ACNSR?
The TL074ACNSR is specified for commercial temperature operation from 0°C to +70°C. This range is confirmed in Section 5.3 of the TI SLOS080W datasheet under "Recommended Operating Conditions" for TL07xC-grade devices. It is not rated for extended industrial (–40°C to +85°C) or automotive temperatures - for those, TL074I or TL074M variants must be selected instead of TL074ACNSR.
Does the TL074ACNSR support single-supply operation?
Yes, the TL074ACNSR supports single-supply operation from 4.5 V to 40 V total supply voltage. Its common-mode input range extends to VCC+, allowing input signals referenced to ground or mid-rail. However, output swing is not rail-to-rail - it typically delivers ±12 V into 10 kΩ with ±15 V supplies, so proper biasing (e.g., VREF = VCC/2) is required for true AC-coupled single-supply use in TL074ACNSR designs.
What is the input offset voltage specification for TL074ACNSR?
The TL074ACNSR has an input offset voltage of 3 mV (minimum), 6 mV (typical), and 10 mV (maximum) at TA = 25°C and VS = ±15 V, per Section 5.8 of the TI SLOS080W datasheet. This value increases to ±13 mV over the full 0°C to +70°C range. It is not the low-drift TL074H variant (±1 mV typ); TL074ACNSR is optimized for cost and general-purpose use, not ultra-precision DC applications.
Can TL074ACNSR drive capacitive loads reliably?
Yes, the TL074ACNSR is characterized to drive up to 300 pF capacitive loads while maintaining stability, as stated in its "Capacitive load drive" specification (Section 5.7). This capability is enabled by internal compensation and 56° phase margin at unity gain. For loads exceeding 300 pF, external isolation resistance (e.g., 10–100 Ω in series with the output) is recommended to prevent peaking or oscillation in TL074ACNSR-based filter or cable-driving applications.
Is TL074ACNSR pin-compatible with other TL074 variants in SOIC-14?
Yes, TL074ACNSR is fully pin-compatible with all TL074x variants offered in the NS (SOIC-14) package - including TL074CDR, TL074CN, and TL074CNSR - because they share identical pinout, footprint, and electrical interface per TI's standardized TL074x pin function table (Table 4-6, SLOS080W). Differences lie only in grading (C vs H vs I), packaging (tube vs tape), and minor parametric shifts - not pin assignment.
TL074ACNSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- J-FET
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 13V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 65 pA
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 1.4mA (x4 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
TL074ACNSR FAQ
1.How can I place an order for TL074ACNSR through Aetrix?
Please submit a Request for Quotation (RFQ) for TL074ACNSR 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 TL074ACNSR reliable?
The price and inventory of TL074ACNSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL074ACNSR is usually 5 days.
3.What payment methods are accepted for TL074ACNSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL074ACNSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL074ACNSR?
TL074ACNSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL074ACNSR 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 TL074ACNSR?
For technical support, including TL074ACNSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL074ACNSR requirements.
6.How does Aetrix verify that TL074ACNSR is sourced from the original manufacturer or authorized distributors?
All TL074ACNSR 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 TL074ACNSR meets industry standards.
7.What is the process for return or replacement of TL074ACNSR?
All TL074ACNSR units undergo pre-shipment inspection (PSI). If there is an issue with TL074ACNSR, 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 TL074ACNSR part is unused and in its original packaging.
Return procedure for TL074ACNSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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