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Texas Instruments TL974QPWRQ1
- Part No.:
- TL974QPWRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TL974QPWRQ1.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,530
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Product details
Overview
TL974QPWRQ1 from Texas Instruments is a quad-channel, rail-to-rail output operational amplifier qualified for automotive applications (AEC-Q100 Grade 1), operating from 2.7 V to 12 V supply, delivering 12 MHz gain-bandwidth product, 5 V/μs slew rate, and ultra-low 4 nV/√Hz input voltage noise - used in high-fidelity audio preamplification and sensor signal conditioning within automotive infotainment and ADAS front-end circuits.
For engineers reviewing the TL974QPWRQ1 datasheet, TL974QPWRQ1 pinout, TL974QPWRQ1 application, or TL974QPWRQ1 equivalent, this page delivers verified electrical specifications, TSSOP-14 package layout, automotive-grade reliability data, and real-world design context for low-noise analog signal chains in temperature-stressed environments.
Technical Context
The TL974QPWRQ1 implements a bipolar-input, rail-to-rail output op-amp architecture optimized for low-noise, low-distortion performance across wide supply ranges. Its input stage supports common-mode voltages from VCC– + 1.15 V to VCC+ – 1.15 V, and its output swings within 200 mV of each rail under 2 kΩ load at ±2.5 V supply.
It features internal compensation for unity-gain stability with capacitive loads up to 250 pF, maintains phase margin ≥60° across supply voltages (2.7–14 V) and output currents (±100 mA), and meets JESD 78 Class II latch-up immunity (>100 mA) and JESD 22 ESD ratings (2000-V HBM, 200-V MM, 1500-V CDM).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 12 V - enables single-supply operation in 3.3 V and 5 V automotive domains without level-shifting. |
| Gain Bandwidth Product | 12 MHz (typ.) - supports stable closed-loop gain ≥10 at 1 MHz for anti-aliasing and active filtering. |
| Slew Rate | 5 V/μs (typ.) - ensures <1% THD for 1 kHz full-scale sine output into 10 kΩ load. |
| Input Voltage Noise | 4 nV/√Hz @ 100 kHz - preserves SNR in microphone preamps and precision sensor interfaces. |
| Total Harmonic Distortion | 0.003% @ 1 kHz - meets professional audio line-level fidelity requirements. |
| Rail-to-Rail Output Swing | ±2.4 V @ ±2.5 V supply - delivers >96% of full dynamic range with 2 kΩ load. |
| Operating Temperature | –40°C to +125°C - certified for engine bay and cabin-mounted automotive electronics. |
Pinout & Package
TSSOP-14 package (PW), 5.0 mm × 4.4 mm × 1.2 mm height, moisture sensitivity level 1 (260°C peak reflow), RoHS-compliant NiPdAu lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Amplifier 1 output - drives external load or feedback network; rail-to-rail capable. |
| 2 | IN1– | Inverting input of Amp 1 - accepts differential or single-ended feedback signals. |
| 3 | IN1+ | Non-inverting input of Amp 1 - high-impedance node (IIB = 750 nA max) for sensor biasing. |
| 4 | IN2+ | Non-inverting input of Amp 2 - electrically isolated from IN1±; supports independent channel routing. |
| 5 | IN2– | Inverting input of Amp 2 - matched input bias current to IN1– for common-mode rejection. |
| 6 | OUT2 | Amplifier 2 output - fully independent output stage; no crosstalk with OUT1 below –80 dB. |
| 7 | VCC– | Negative supply rail - referenced to system ground in single-supply configurations. |
| 8 | VCC+ | Positive supply rail - decoupling capacitor (0.1 μF ceramic) required within 5 mm. |
| 9 | OUT3 | Amplifier 3 output - identical drive capability and noise performance as OUT1/OUT2. |
| 10 | IN3– | Inverting input of Amp 3 - shares same input offset drift (5 μV/°C) and CMRR (85 dB) as other channels. |
| 11 | IN3+ | Non-inverting input of Amp 3 - supports DC-coupled sensor interfaces with 1.35 V common-mode headroom. |
| 12 | IN4+ | Non-inverting input of Amp 4 - enables simultaneous multi-channel signal acquisition (e.g., 4-sensor array). |
| 13 | IN4– | Inverting input of Amp 4 - matched input impedance to all other inputs (RIN > 10⁶ MΩ). |
| 14 | OUT4 | Amplifier 4 output - fully specified for 2 kΩ load; supports 1.2 mA source/sink current per channel. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers usable dynamic range down to 200 mV from supply rails - eliminates need for dual supplies in audio and sensor front-ends. |
| 4 nV/√Hz input voltage noise | Enables >100 dB SNR in 20 kHz bandwidth with 1 kΩ source impedance - critical for MEMS microphone and piezoelectric sensor amplification. |
| 0.003% THD at 1 kHz | Meets THX and EIAJ audio fidelity standards - suitable for line-out drivers and ADC front-ends in automotive head units. |
| AEC-Q100 Grade 1 qualification | Validated for continuous operation at 125°C ambient - supports placement near powertrain ECUs and display controllers. |
| 125°C maximum junction temperature | Allows thermal design margin up to 20°C above ambient in sealed enclosures - reduces need for forced cooling. |
Applications
| Automotive Infotainment Audio Preamp | ADAS Camera Sensor Signal Conditioning |
|---|---|
Use Scenario: Amplifying low-level analog outputs from MEMS microphones and line-in sources in head unit systems. IC Role / Device Role / Timing Role: Quad op-amp provides simultaneous gain stages for left/right stereo channels plus mic bias and AGC reference paths. Use Value: 4 nV/√Hz noise floor preserves voice clarity over vehicle cabin noise; rail-to-rail output maximizes ADC utilization without clipping. |
Use Scenario: Conditioning analog pixel data from CMOS image sensors before digitization in surround-view cameras. IC Role / Device Role / Timing Role: Configured as transimpedance amplifier and correlated double sampling (CDS) buffer for low-noise analog front-end. Use Value: 0.003% THD prevents harmonic artifacts in high-resolution imaging; 12 MHz GBW supports >30 fps video bandwidth. |
| Automotive Cabin Pressure Sensor Interface | Electric Power Steering Torque Sensor Amplifier |
Use Scenario: Amplifying millivolt-level bridge outputs from piezoresistive pressure sensors monitoring HVAC ducts or cabin air quality. IC Role / Device Role / Timing Role: Instrumentation-grade gain block with matched input pairs for common-mode rejection of EMI from nearby motors. Use Value: 85 dB CMRR rejects switching noise from DC-DC converters; 5 μV/°C drift minimizes calibration frequency. |
Use Scenario: Amplifying Wheatstone bridge outputs from torque sensors in EPS motor control modules. IC Role / Device Role / Timing Role: Precision differential amplifier with programmable gain (via external resistors) for torque feedback path. Use Value: 60 dB PSRR suppresses ripple from 12 V battery supply; latch-up immunity (>100 mA) ensures robustness during load dump events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad low-noise op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4182QPWRQ1 | Lower input bias current (2 pA vs. 750 nA), higher precision (10 μV VIO), but higher noise (5.7 nV/√Hz) and lower GBW (10 MHz). | Better for high-impedance pH or thermocouple sensors; less optimal for audio due to higher noise and reduced bandwidth. | Select when ultra-low input current dominates over noise and speed requirements. |
| LMV884QMA/NOPB | Higher noise (9 nV/√Hz), lower GBW (11 MHz), but wider supply range (2.7 V to 16 V) and lower quiescent current (1.1 mA/ch vs. 2.8 mA/ch). | Preferred for battery-powered telematics modules where power efficiency outweighs audio fidelity. | Choose when extended supply tolerance and sub-2 mA/ch consumption are prioritized over THD and noise. |
Compared with OPA4182QPWRQ1 and LMV884QMA/NOPB, the TL974QPWRQ1 uniquely balances ultra-low noise, high-speed response, and automotive qualification - making it the optimal choice for audio-sensitive and bandwidth-critical signal chains where 4 nV/√Hz and 12 MHz GBW are non-negotiable.
Availability
TL974QPWRQ1 is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS camera modules, and cabin environmental sensor networks requiring stable component supply across extended temperature and lifecycle demands.
Supply support for TL974QPWRQ1 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 automotive-grade IC development experience and ISO/TS 16949-certified manufacturing.
The TL97x-Q1 family was designed specifically for low-noise, rail-to-rail signal conditioning in automotive subsystems - targeting audio, sensing, and safety-critical analog interfaces where noise, distortion, and temperature resilience are paramount.
FAQ
What is the maximum junction temperature rating for TL974QPWRQ1?
The TL974QPWRQ1 has a maximum junction temperature (TJ) rating of 150°C, validated per AEC-Q100 stress testing protocols. This allows reliable operation in under-hood and near-powertrain locations where ambient temperatures reach 125°C, provided PCB thermal design maintains θJA ≤ 113°C/W for the TSSOP-14 package. The TL974QPWRQ1 datasheet specifies derating curves for continuous operation above 100°C ambient.
Does TL974QPWRQ1 support single-supply operation?
Yes, TL974QPWRQ1 supports true single-supply operation from 2.7 V to 12 V. Its input common-mode range extends from VCC– + 1.15 V to VCC+ – 1.15 V, and its rail-to-rail output can swing within 200 mV of both rails under 2 kΩ load. For example, with VCC+ = 5 V and VCC– = 0 V, TL974QPWRQ1 delivers 0.2 V to 4.8 V output swing while maintaining 0.003% THD - ideal for 3.3 V or 5 V microcontroller-based systems.
What is the input offset voltage drift specification for TL974QPWRQ1?
The TL974QPWRQ1 has a maximum input offset voltage drift (αVIO) of 5 μV/°C over the full operating temperature range (–40°C to +125°C). This low drift ensures minimal gain error accumulation in precision sensor interfaces such as cabin pressure or torque measurement, reducing recalibration frequency in automotive applications. The typical value is 2 μV/°C at 25°C, confirmed in the SLOS632A datasheet Electrical Characteristics table.
Is TL974QPWRQ1 pin-compatible with standard TL974 variants?
No - TL974QPWRQ1 uses the same TSSOP-14 (PW) package and pinout as the commercial TL974, but it is not pin-compatible with SOIC-14 or PDIP-14 versions of TL974 due to different footprint dimensions and terminal spacing. The TL974QPWRQ1 pin assignment matches TI's PW0014A mechanical drawing exactly, and PCB layout must follow the recommended land pattern in the TI package materials document (4220202/B).
What ESD protection levels does TL974QPWRQ1 meet?
TL974QPWRQ1 meets JESD 22 ESD standards: 2000-V Human-Body Model (HBM), 200-V Machine Model (MM), and 1500-V Charged-Device Model (CDM). These ratings are verified per AEC-Q100 stress test conditions and ensure robust handling during automated assembly and field service. The device also exceeds JESD 78 Class II latch-up immunity with >100 mA withstand capability on all pins.
TL974QPWRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 12 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 200 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 2mA (x4 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
TL974QPWRQ1 FAQ
1.How can I place an order for TL974QPWRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TL974QPWRQ1 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 TL974QPWRQ1 reliable?
The price and inventory of TL974QPWRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TL974QPWRQ1 is usually 5 days.
3.What payment methods are accepted for TL974QPWRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TL974QPWRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TL974QPWRQ1?
TL974QPWRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TL974QPWRQ1 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 TL974QPWRQ1?
For technical support, including TL974QPWRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TL974QPWRQ1 requirements.
6.How does Aetrix verify that TL974QPWRQ1 is sourced from the original manufacturer or authorized distributors?
All TL974QPWRQ1 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 TL974QPWRQ1 meets industry standards.
7.What is the process for return or replacement of TL974QPWRQ1?
All TL974QPWRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TL974QPWRQ1, 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 TL974QPWRQ1 part is unused and in its original packaging.
Return procedure for TL974QPWRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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