OPA1612-Q1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA1612-Q1 is a high-performance automotive-grade bipolar-input dual audio op-amp with 40 V/µs slew rate and ultra-low noise of 1.1 nV/√Hz. Available in small outline packages with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- OPA1612-Q1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of OPA1612-Q1?
- Ultra-low voltage noise of 1.1 nV/√Hz enabling high-fidelity audio signal amplification
- 40 V/µs slew rate supporting wide-bandwidth audio applications up to several MHz
- AEC-Q100 automotive qualification for reliable in-vehicle audio system deployment
- Dual op-amp configuration in a single package reducing component count and PCB area
- Bipolar input stage delivering superior THD+N performance for professional audio paths
What is OPA1612-Q1 used for?
OPA1612-Q1 is designed for automotive infotainment head units, in-vehicle active crossovers, and premium car audio amplifier stages where AEC-Q100 qualification and ultra-low noise are mandatory. Its 1.1 nV/√Hz input noise density and 40 V/µs slew rate also make it suitable for professional mixing consoles, studio microphone preamplifiers, and high-resolution audio ADC driver circuits. Engineers use it in active filter designs and line driver applications where THD+N below -120 dB is required across the 20 Hz to 20 kHz audio band.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the OPA1612-Q1 datasheet?
OPA1612-Q1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA1612-Q1?
Compatible alternatives and drop-in replacements for OPA1612-Q1:
Frequently Asked Questions
What input voltage noise density does OPA1612-Q1 achieve, and why does it matter for audio preamplifier designs?
OPA1612-Q1 achieves an input voltage noise density of 1.1 nV/√Hz at 1 kHz, placing it among the lowest-noise bipolar op-amps available. In a microphone preamplifier with 40 dB gain, this translates to an output noise floor well below -100 dBV across the 20 Hz to 20 kHz band, preserving dynamic range in professional recording and automotive audio applications.
How does OPA1612-Q1's AEC-Q100 qualification affect its suitability for automotive audio systems?
AEC-Q100 Grade qualification means OPA1612-Q1 has been stress-tested to automotive reliability standards covering temperature cycling from -40°C to 125°C, electrostatic discharge robustness, and long-term life testing. This makes it a compliant choice for in-vehicle audio amplifiers, navigation head units, and active speaker crossovers where PPAP documentation and supplier traceability are required by Tier 1 OEMs.
What slew rate does OPA1612-Q1 deliver, and which signal frequencies benefit from it?
OPA1612-Q1 provides a slew rate of 40 V/µs, allowing it to faithfully reproduce fast transients and high-frequency audio signals beyond 1 MHz without slew-rate limiting. For a full-scale 10 V peak-to-peak output, this slew rate supports undistorted sine waves at frequencies exceeding 1.2 MHz, well beyond the 20 kHz audio band, ensuring no slew-induced harmonic distortion within the audible spectrum.
When is OPA1612-Q1 a better choice than OPA1611 for a stereo line driver stage?
OPA1612-Q1 is the dual-channel variant compared to the single-channel OPA1611, integrating 2 op-amp channels in one package. For a stereo line driver requiring matched channels with identical noise performance of 1.1 nV/√Hz per channel, OPA1612-Q1 halves the component count, reduces channel-to-channel offset mismatch, and cuts PCB area, making it more cost-effective for balanced stereo output stages in both automotive and professional audio equipment.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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