TS321QDBVRQ1

Texas Instruments TS321QDBVRQ1 – Automotive 30‑V, 800‑kHz Single Operational Amplifier (SOT‑23‑5)

The Texas Instruments TS321QDBVRQ1 is an AEC‑Q100 Grade 1 qualified, single‑channel general‑purpose operational amplifier designed for dependable performance in automotive and industrial environments. With a wide supply range up to 30 V (single supply) or ±15 V (dual supply) and an 800‑kHz gain‑bandwidth product, this compact SOT‑23‑5 (DBV) device is an easy fit for space‑constrained signal‑conditioning designs that must operate from −40°C to +125°C.

This article summarizes what engineers, buyers, and sourcing managers need to know about TS321QDBVRQ1—its key specifications, package and logistics details, lifecycle and compliance status, application fit, and practical design‑in considerations—so you can evaluate and source with confidence.

At‑a‑Glance Highlights

• MPN: TS321QDBVRQ1
• Brand/Manufacturer: Texas Instruments
• Series: TS321‑Q1
• Category: Operational Amplifiers (Op Amps)
• Amplifier type: General‑purpose operational amplifier
• Channels: 1 (single op amp)
• Gain‑bandwidth product (GBW): 0.8 MHz (800 kHz)
• Supply voltage (single): 3 V to 30 V
• Supply voltage (dual): ±1.5 V to ±15 V
• Operating temperature: −40°C to +125°C
• Automotive qualification: AEC‑Q100 Grade 1
• Package: SOT‑23‑5 (DBV), 5 pins
• Mounting type: Surface Mount
• Packaging: Tape & Reel (TR)
• Lifecycle status: Active
• RoHS/REACH: Compliant

Why choose the TS321QDBVRQ1?

• Wide supply flexibility: Operates from a broad 3 V to 30 V single supply or ±1.5 V to ±15 V dual rails, simplifying reuse across platforms that range from low‑voltage digital domains to high‑voltage analog sections.
• Automotive‑grade reliability: AEC‑Q100 Grade 1 qualification supports operation across −40°C to +125°C, making it suitable for under‑hood and cabin applications subject to temperature extremes.
• Compact footprint: The SOT‑23‑5 (DBV) package enables high channel density or tight placements near sensors without sacrificing board space.
• General‑purpose utility: With a modest 0.8‑MHz GBW, the device addresses a wide class of conditioning, buffering, and filtering tasks where stability and simplicity matter more than very high speed.
• Streamlined sourcing: Active lifecycle status, standard packaging (TR), and familiar TI part numbering help reduce procurement friction.

Key Specifications

The following specifications are taken from the provided product data. Where a parameter is not listed here, consult the official TI datasheet for details.

• Amplifier type: General‑purpose operational amplifier
• Number of channels: 1
• Gain‑bandwidth product (GBW): 0.8 MHz (800 kHz)
• Supply voltage (single): 3 V to 30 V
• Supply voltage (dual): ±1.5 V to ±15 V
• Operating temperature: −40°C to +125°C
• Automotive qualification: AEC‑Q100 Grade 1
• Package code: DBV (SOT‑23‑5)
• Package/pin count: 5 pins
• Mounting type: Surface Mount
• Packaging format: Tape & Reel (TR)
• Series: TS321‑Q1
• Manufacturer: Texas Instruments

Note: If you require parameters such as input offset voltage, input bias current, output swing, slew rate, or noise density, refer to the TI datasheet linked below.

Applications

TS321QDBVRQ1 is well‑suited for cost‑effective, robust signal paths where wide supply options and extended temperature operation are needed.

• Automotive sensor signal conditioning: Interface to position, pressure, current, or temperature sensors; buffer and scale signals before ADCs.
• General‑purpose signal amplification: Low‑to‑moderate bandwidth gain stages in control loops, supervisory circuits, or housekeeping analog.
• Active filters: Implement simple low‑pass or band‑pass filters in body electronics, infotainment, or industrial sensing nodes.
• Battery and power‑line monitoring: Condition and buffer divided battery voltages or power bus lines in 12 V/24 V systems.

Because the device supports both single and dual supplies, it can be deployed in mixed‑signal boards powered by either unipolar microcontroller rails or bipolar analog supplies without swapping to a different op amp family.

Design and integration considerations

• Supply configuration: Choose single‑supply (3 V–30 V) for automotive battery rails or microcontroller domains, or dual supplies (±1.5 V to ±15 V) when symmetrical headroom is beneficial. Ensure downstream components are rated for the chosen rail voltages.
• Stability and bandwidth: With a 0.8‑MHz GBW, the TS321QDBVRQ1 supports many gain settings in low‑to‑moderate frequency applications. When designing active filters or high‑gain stages, verify phase margin and closed‑loop bandwidth using the datasheet guidance.
• Layout proximity to sensors: The compact DBV package allows close placement to sensors to minimize interference pickup. Use short, shielded or guarded traces for high‑impedance nodes where applicable.
• Input/output headroom: For exact input common‑mode and output swing limits relative to the rails, consult the datasheet. Verify these limits for your expected signal amplitudes to avoid clipping or saturation.
• Decoupling: Place local bypass capacitors close to the supply pins (value and placement per TI datasheet recommendations) to assure stable operation over temperature and supply transients common in automotive systems.
• Filtering power rails: Automotive supplies can be noisy; include RC or LC filtering and TVS protection as needed at the system level. The op amp’s wide supply tolerance provides flexibility, but upstream protection improves system robustness.
• Temperature range: AEC‑Q100 Grade 1 supports −40°C to +125°C operation. Validate performance at both extremes if your application is exposed to under‑hood or external environments.

These practices help ensure a predictable, stable design without over‑engineering, especially when the primary requirement is dependable amplification rather than ultra‑high speed or precision.

Lifecycle, availability, and sourcing

• Lifecycle status: Active (per provided data).
• Availability: Inventory may fluctuate; current data indicates 0 on‑hand in the provided snapshot. Check TI’s product page and authorized distributors for up‑to‑date stock and lead times.
• Packaging: Tape & Reel (TR) for automated assembly. Vendor note: suffix “R” indicates tape‑and‑reel.
• Procurement tips:
• Consolidate on the Texas Instruments TS321‑Q1 family to streamline second‑source qualifications across platforms that need wide supply operation and automotive temps.
• Confirm the DBV (SOT‑23‑5) package pinout and land pattern against your PCB library before release.
• Keep an eye on distributor packaging options to align with your pick‑and‑place feeders and reel size preferences.

Compliance and environmental information

• Automotive qualification: AEC‑Q100, Grade 1 (−40°C to +125°C)
• RoHS: Compliant (Pb‑free/Green)
• REACH: Compliant

These certifications support use in automotive and globally shipped industrial products where environmental compliance is mandatory. Always retain the latest compliance documents from TI for your PPAP, IMDS, or internal compliance records.

Ordering information

• Part number: TS321QDBVRQ1
• Series: TS321‑Q1
• Package: SOT‑23‑5 (DBV), 5 pins
• Mounting: Surface Mount
• Packaging format: Tape & Reel (TR)
• Temperature range: −40°C to +125°C

For alternative orderable variants, check the TI product page. If your manufacturing flow requires different packing quantities or orientations, verify reel specifications and tape dimensions in the datasheet or product page resources.

Practical application examples

• Sensor front ends: Buffer a resistive temperature sensor or bridge sensor output before an ADC. The 0.8‑MHz GBW supports typical low‑frequency conditioning with adequate phase margin.
• Supervisory monitoring: Create a simple gain or buffer stage to monitor 12 V or 24 V rails after suitable division and protection. The wide single‑supply capability makes it straightforward to reference automotive battery lines.
• Active filters in body electronics: Implement low‑order low‑pass filters for switch debouncing or EMI reduction in control inputs and comfort systems where modest bandwidth is sufficient.

For each use case, confirm the allowable input common‑mode range and output swing for your chosen supply voltage in the TI datasheet.

Frequently asked questions (FAQs)

• Q: Is TS321QDBVRQ1 automotive qualified?
  A: Yes. It is AEC‑Q100 Grade 1 qualified for −40°C to +125°C operation.

• Q: What supply voltages does it support?
  A: Single supply from 3 V to 30 V, or dual supplies from ±1.5 V to ±15 V.

• Q: How many channels are in the device?
  A: One. It is a single op amp.

• Q: What is the gain‑bandwidth product?
  A: 0.8 MHz (800 kHz).

• Q: Which package does TS321QDBVRQ1 use?
  A: SOT‑23‑5 (DBV) with 5 pins, surface‑mount.

• Q: What is the operating temperature range?
  A: −40°C to +125°C (Grade 1).

• Q: Is it RoHS and REACH compliant?
  A: Yes, it is listed as RoHS compliant (Pb‑free/Green) and REACH compliant.

• Q: What is the packaging format for production?
  A: Tape & Reel (TR). TI notes that suffix “R” indicates tape‑and‑reel.

Resources

• Texas Instruments product page: https://www.ti.com/product/TS321-Q1
• Datasheet: https://www.ti.com/lit/ds/symlink/ts321-q1.pdf

Consult these resources for detailed electrical characteristics, pin functions, package drawings, PCB land pattern recommendations, and application guidance.

Summary

The Texas Instruments TS321QDBVRQ1 is a versatile, automotive‑grade, single op amp that brings together a wide operating supply range (3 V to 30 V single or ±1.5 V to ±15 V dual), an 800‑kHz GBW, compact SOT‑23‑5 (DBV) packaging, and Grade 1 temperature capability. Its general‑purpose nature makes it a solid choice for sensor conditioning, buffering, monitoring, and filtering tasks across automotive and industrial designs.

From a sourcing perspective, the part’s active lifecycle status, standard tape‑and‑reel packaging, and established TI supply chain help reduce procurement complexity. From a design perspective, the part’s broad voltage flexibility and compact footprint ease platform reuse and PCB integration. If you need an automotive‑qualified single op amp with dependable performance and straightforward integration, TS321QDBVRQ1 deserves a place on your shortlist.