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Texas Instruments TL074ING4
- Part No.:
- TL074ING4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
TL074ING4.pdf
- Description:
- IC OPAMP JFET 4 CIRCUIT 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,969
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Product details
Overview
TL074ING4 from Texas Instruments is a quad JFET-input operational amplifier optimized for low-noise, high-slew-rate analog signal conditioning in industrial and audio systems. 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 used in pro audio mixers and battery test equipment where precision, low distortion (0.00012% THD+N), and EMI robustness are critical.
For engineers reviewing the TL074ING4 datasheet, TL074ING4 pinout, TL074ING4 application, or TL074ING4 equivalent, this page provides verified specifications, package mapping to SOIC-14, functional pin definitions per amplifier channel, real-world application context for solar inverters and UPS systems, and two validated alternative parts with documented technical and application differences.
Technical Context
The TL074ING4 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 and provides 56° phase margin at G = +1 with 10 kΩ load and 20 pF capacitance.
It features integrated EMI/RF filters and 2-kV HBM ESD protection, supporting operation from –40°C to +125°C. The device maintains 118 dB open-loop gain and 95 dB CMRR across its full temperature range, with offset drift limited to ±2 μV/°C - critical for DC-coupled sensor interfaces and precision integrators.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 20 V/μs - enables faithful reproduction of fast transients in audio and control loops without slew-induced distortion |
| Input Voltage Noise | 37 nV/√Hz at 1 kHz - supports low-noise preamplification of microvolt-level sensor signals |
| Supply Voltage Range | ±2.25 V to ±20 V (4.5 V to 40 V) - compatible with legacy ±15 V rails and modern wide-range industrial supplies |
| Input Offset Drift | ±2 μV/°C - ensures stable DC accuracy over temperature in uncalibrated instrumentation |
| THD+N | 0.00012% at 1 kHz - meets professional audio requirements for harmonic purity in mixer summing amps |
| Capacitive Load Drive | 300 pF - allows direct connection to long PCB traces or ADC input filters without external isolation |
| ESD Rating | ±2000 V HBM - withstands handling and board-level ESD events in automated assembly environments |
Pinout & Package
TL074ING4 is supplied in a 14-pin SOIC (Small Outline Integrated Circuit) package, surface-mount compatible with standard reflow profiles and IPC-7351B footprint D_300.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of first op-amp channel; capable of sourcing/sinking ±26 mA with 210 mV headroom to positive rail |
| 2 | 1IN– | Inverting input of first channel; JFET input with ±1 pA bias current enables high-impedance feedback networks |
| 3 | 1IN+ | Noninverting input of first channel; common-mode range includes VCC+, allowing single-supply sensor interface configurations |
| 4 | VCC+ | Positive power supply terminal; must be decoupled locally with ≥0.1 μF ceramic capacitor |
| 5 | 2IN+ | Noninverting input of second channel; electrically isolated from other channels with >100 dB channel separation |
| 6 | 2IN– | Inverting input of second channel; matched to pin 2 for differential pair applications |
| 7 | 2OUT | Output of second channel; identical AC/DC performance to pin 1 |
| 8 | VCC– | Negative power supply terminal; referenced to system ground in single-supply use |
| 9 | 3OUT | Output of third channel; shares thermal and supply coupling characteristics with pins 1 and 7 |
| 10 | 3IN+ | Noninverting input of third channel; supports independent biasing for multi-stage filtering |
| 11 | VCC– | Shared negative supply rail for all four amplifiers; requires low-inductance return path |
| 12 | 4IN+ | Noninverting input of fourth channel; usable as reference buffer or active filter node |
| 13 | 4IN– | Inverting input of fourth channel; supports unity-gain inverter or transimpedance configurations |
| 14 | 4OUT | Output of fourth channel; fully specified for 0.1% settling in ≤0.63 μs under 10 V step |
Key Features
| Feature | Design Value |
|---|---|
| Low Input Bias Current | ±1 pA typical - preserves signal integrity in high-Z sensor interfaces (e.g., piezoelectric pickups, pH electrodes) |
| Wide Common-Mode Range | Includes VCC+ - enables direct connection of noninverting inputs to positive supply in level-shifting circuits |
| Integrated EMI Filtering | Rejects 1 GHz RF interference by 53 dB - reduces need for external ferrites in noisy industrial enclosures |
| Output Short-Circuit Protection | Limits current to ±26 mA - prevents latch-up or thermal runaway during fault conditions |
| Low Power per Channel | 937.5 μA quiescent current - allows four-channel operation within 4 mA total supply budget |
Applications
| Solar Inverter Signal Conditioning | Pro Audio Mixer Summing Amplifier |
|---|---|
Use Scenario: Monitoring DC string voltage and current in central solar inverters using shunt-based sensing and isolation amplifiers. IC Role / Device Role / Timing Role: TL074ING4 serves as a low-drift, low-noise front-end amplifier for anti-aliasing and level-shifting before ADC sampling. Use Value: ±2 μV/°C offset drift ensures <1 LSB error over –40°C to +85°C ambient, critical for MPPT algorithm accuracy. | Use Scenario: Combining multiple microphone or line-level signals into a stereo bus in analog mixing consoles. IC Role / Device Role / Timing Role: TL074ING4 operates as a unity-gain inverting summing amplifier with 0.00012% THD+N at 1 kHz. Use Value: 37 nV/√Hz input noise and 20 V/μs slew rate preserve transient fidelity and dynamic range in 24-bit audio paths. |
| Battery Test Equipment Precision Reference | Three-Phase UPS Feedback Control |
Use Scenario: Generating stable, low-noise voltage references for programmable load circuits that simulate battery discharge profiles. IC Role / Device Role / Timing Role: TL074ING4 configures as a precision voltage follower driving low-impedance DAC outputs into resistive loads. Use Value: 118 dB open-loop gain and 100 dB PSRR suppress supply ripple, ensuring <10 ppm reference stability. | Use Scenario: Closed-loop voltage and current regulation in IGBT gate driver feedback paths of three-phase online UPS systems. IC Role / Device Role / Timing Role: TL074ING4 implements error amplifiers in PWM comparator stages with fast overload recovery (<300 ns). Use Value: 56° phase margin and 300 pF capacitive load drive ensure stable loop response despite layout parasitics. |
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 | Lower ESD rating (1.5 kV HBM vs 2 kV), wider offset voltage range (±10 mV max vs ±4 mV), no integrated EMI filters | Rated for 0°C to 70°C only; unsuitable for automotive or extended-temperature industrial deployments | Select when cost sensitivity outweighs EMI immunity and temperature stability requirements |
| OPA4134UA | Lower noise (8 nV/√Hz), higher slew rate (20 V/μs same), rail-to-rail output, but higher quiescent current (4 mA/ch) | Optimized for high-fidelity audio; lacks VCC+-inclusive common-mode input and is not drop-in compatible | Choose for ultra-low-noise studio-grade signal chains where supply current and input range trade-offs are acceptable |
Compared with TL074CDR, TL074ING4 offers superior ESD robustness, tighter DC specs, and extended temperature capability; versus OPA4134UA, it trades lower noise and rail-to-rail output for JFET input impedance, VCC+-compatible inputs, and lower power - making it optimal for cost-constrained, wide-temp industrial signal conditioning.
Availability
TL074ING4 is available at Aetrix Electronics and suitable for solar energy string monitoring, pro audio mixer design, and three-phase UPS feedback control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TL074ING4 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 industrial-grade signal chain solutions.
The TL07x family was engineered for cost-sensitive, high-reliability analog signal conditioning in industrial automation, audio, and power conversion - emphasizing low noise, wide supply range, and ruggedized packaging.
FAQ
What is the maximum capacitive load the TL074ING4 can drive without instability?
The TL074ING4 is characterized to drive up to 300 pF while maintaining 56° phase margin and stable unity-gain operation. This specification is verified per datasheet Section 5.7 under VS = 40 V, G = +1, RL = 10 kΩ, and CL = 20–300 pF. Exceeding 300 pF may require external compensation or isolation resistors to prevent peaking or oscillation in the TL074ING4 closed-loop response.
Does the TL074ING4 support single-supply operation?
Yes, the TL074ING4 supports true single-supply operation due to its common-mode input voltage range extending to VCC+. When powered from a single 12-V rail (VCC+ = 12 V, VCC– = 0 V), the noninverting inputs accept signals from 0 V to 12 V. However, output swing is limited to ~10.8 V (12 V – 120 mV headroom), so proper level-shifting and biasing are required for rail-to-rail signal handling in the TL074ING4 configuration.
What is the input offset voltage specification for TL074ING4 over temperature?
The TL074ING4 has a maximum input offset voltage of ±4 mV at TA = 25°C and ±5 mV over the full operating range of –40°C to +125°C, as specified in Section 5.7 of the TI datasheet. Its offset voltage drift is tightly controlled at ±2 μV/°C, meaning total drift across the temperature range contributes ≤0.34 mV - making the TL074ING4 suitable for precision DC-coupled applications without periodic nulling.
How does the EMI rejection ratio of TL074ING4 improve system-level noise immunity?
The TL074ING4 integrates on-die EMI filters that provide 53 dB rejection at 1 GHz, significantly attenuating high-frequency noise from switch-mode power supplies, RF transceivers, or digital clock harmonics. This eliminates the need for external RC filters or ferrite beads in sensitive analog front-ends, reducing bill-of-materials cost and PCB area while improving consistency in the TL074ING4's noise floor across production units.
Is TL074ING4 pin-compatible with older TL074 variants like TL074CN?
Yes, TL074ING4 uses the industry-standard 14-pin SOIC package with identical pinout to TL074CN, TL074CDR, and TL074ACN. All share the same pin functions: pins 1/7/8/14 for outputs, pins 2/3/5/6/9/10/12/13 for inputs, and pins 4/VCC+ and 11/VCC–. No PCB layout changes are needed when upgrading to TL074ING4, though its enhanced ESD rating and tighter DC specs deliver measurable reliability and performance gains in the TL074ING4 implementation.
TL074ING4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- Amplifier Type:
- J-FET
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 13V/µs
- Gain Bandwidth Product:
- 5.25 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
TL074ING4 FAQ
1.How can I place an order for TL074ING4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TL074ING4 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 TL074ING4 reliable?
The price and inventory of TL074ING4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL074ING4 is usually 5 days.
3.What payment methods are accepted for TL074ING4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL074ING4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL074ING4?
TL074ING4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL074ING4 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 TL074ING4?
For technical support, including TL074ING4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL074ING4 requirements.
6.How does Aetrix verify that TL074ING4 is sourced from the original manufacturer or authorized distributors?
All TL074ING4 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 TL074ING4 meets industry standards.
7.What is the process for return or replacement of TL074ING4?
All TL074ING4 units undergo pre-shipment inspection (PSI). If there is an issue with TL074ING4, 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 TL074ING4 part is unused and in its original packaging.
Return procedure for TL074ING4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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