THS3217IRGVT

Texas Instruments THS3217IRGVT — DC to 800‑MHz Differential‑to‑Single‑Ended DAC Output Amplifier

Engineers who need a clean, wideband path from a differential DAC to a single‑ended load will appreciate the Texas Instruments THS3217IRGVT. Part of the THS3217 series in TI’s Amplifiers – Special Purpose category, this high‑speed differential‑to‑single‑ended amplifier is optimized for DAC output buffering and reconstruction from DC to 800 MHz. Supplied in a compact 16‑pin VQFN package for surface‑mount assembly, it covers the industrial temperature range of −40°C to +85°C and is RoHS compliant.

If you are qualifying a signal‑chain component for communications, instrumentation, or high‑speed data acquisition, the THS3217IRGVT offers a straightforward path to turn a differential DAC output into a single‑ended signal with bandwidth headroom up to 800 MHz—exactly the range that keeps spurious content out of band and preserves signal fidelity for modern converters.

At‑a‑Glance Specifications

• Manufacturer/Brand: Texas Instruments
• Series: THS3217
• Category: Amplifiers – Special Purpose
• Function: Differential‑to‑single‑ended DAC output amplifier
• Bandwidth: DC to 800 MHz
• Input configuration: Differential
• Output configuration: Single‑ended
• Operating temperature range: −40°C to +85°C (industrial)
• Package/case: 16‑VQFN
• Mounting type: Surface mount
• Pin count: 16
• RoHS status: RoHS Compliant
• Lifecycle status: Active (per Texas Instruments product page)
• Packaging option: IRGVT suffix denotes Tape & Reel (TR)

Where detailed electrical parameters such as supply range, gain settings, noise, linearity, load drive, and power consumption are needed, refer to the official TI datasheet. Those values are not specified in the provided data.

Why Choose the THS3217IRGVT for DAC Reconstruction?

Wideband headroom from DC to 800 MHz

High‑speed DACs demand a reconstruction stage that won’t limit usable output spectrum. With specified operation from DC to 800 MHz, the THS3217IRGVT enables wideband or multicarrier applications where flatness and bandwidth are essential. That headroom supports oversampling, filtering, and later RF upconversion without prematurely constraining your signal chain.

Differential‑to‑single‑ended made simple

Differential DAC outputs are ideal for noise immunity and even‑order distortion cancellation. Many systems, however, require a single‑ended node for filters, measurement equipment, or downstream stages. The THS3217IRGVT consolidates that conversion step in one device, reducing component count compared to discrete baluns or multi‑amp solutions and simplifying gain and impedance planning.

Compact, production‑friendly package

The 16‑pin VQFN footprint conserves PCB area while offering low thermal impedance and short signal paths. With Tape & Reel availability (IRGVT), it’s ready for automated pick‑and‑place in volume manufacturing.

Applications and Use Cases

DAC output buffering and reconstruction

• Provide a clean reconstruction filter interface for high‑speed DACs.
• Convert differential DAC outputs to single‑ended with minimal extra stages.
• Preserve signal integrity across IF bands and high‑order Nyquist zones.

High‑speed data acquisition systems

• Buffer precision test tones and broadband stimulus signals.
• Drive single‑ended measurement equipment from differential sources.
• Serve as a flexible interface between converters and analog signal paths.

Communications infrastructure

• IF/baseband stages in transmit paths that originate from differential DACs.
• Wideband cable, wireless, or optical communication lineups where flat gain over hundreds of MHz is desirable.
• Signal conditioning prior to mixers, modulators, or PA driver chains that accept single‑ended inputs.

Test and measurement

• Generate clean, single‑ended test points from differential instrument sources.
• Build flexible evaluation and characterization fixtures that maintain bandwidth headroom.
• Support lab environments where instruments expect single‑ended interfaces.

Package, Mounting, and Handling

16‑VQFN for space and performance

• Package: 16‑VQFN
• Pin count: 16
• Mounting: Surface mount
• Packaging: Tape & Reel (IRGVT) for automated assembly

The VQFN package helps minimize lead inductance and offers efficient thermal performance when combined with a properly designed exposed‑pad land pattern and via stitching to ground. Always follow TI’s land pattern and reflow recommendations in the datasheet/package drawings.

PCB layout considerations (general guidance)

Because the THS3217IRGVT addresses up to 800 MHz, board‑level implementation has a large impact on end performance:

• Keep the differential input pair tightly coupled with controlled impedance and matched lengths.
• Place the device and reconstruction/passive networks as close as practical to the DAC to reduce loop area.
• Use short, wide, and direct connections on output and power pins; avoid unnecessary vias in sensitive paths.
• Provide plentiful high‑frequency decoupling at each supply pin with low‑ESL capacitors.
• Partition analog and digital grounds carefully to reduce return‑path interference.

Note: Specific component values, supply rails, and recommended matching networks are application‑dependent and not specified in the provided data. See the TI datasheet for reference designs and typical schematics.

Lifecycle, Availability, and Compliance

Lifecycle status

• Status: Active (source: Texas Instruments product page)
• Series: THS3217
• Replacements: Not specified in the provided data

Active lifecycle status simplifies risk assessment for long‑lived platforms. For program longevity, confirm status periodically on TI’s product page and consider last‑time‑buy notices if your production cycles are extended.

Environmental and regulatory compliance

• RoHS: RoHS Compliant device
• Additional environmental or material declarations: Not specified in the provided data

If your project requires specific substance declarations (halogen‑free, REACH SVHC, etc.), consult TI’s compliance documentation linked from the product page.

Supply chain snapshot

• Availability: Not in stock (per provided data)
• Inventory quantity: 0

Procurement tips:

• Check authorized distributors listed on the TI product page for current stock and lead times.
• Where lead‑time risk exists, lock forecasts early and consider buffer stock across multiple approved vendors.
• Keep an approved footprint‑compatible alternate strategy if your design permits. No drop‑in alternates are specified in the provided data; validate any candidate through TI resources and your own testing.

Design‑In and Integration Notes

Interfacing with differential DACs

• Confirm the DAC’s output common‑mode range, swing, and source impedance, then select the THS3217IRGVT operating conditions and external network to match. Specific values are application‑dependent and not provided here.
• Include a reconstruction filter tailored to your signal bandwidth and spurious targets; wideband operation to 800 MHz gives flexibility in filter order and cutoff selection.

Power, decoupling, and thermal practices

• Power supply requirements (voltage/current) and quiescent power are not specified in the provided data; see the datasheet to size rails and decoupling properly.
• Use a multi‑cap decoupling scheme per supply domain and place capacitors as close as possible to the pins.
• Connect the exposed pad to a solid ground region with multiple thermal vias for heat spreading and low impedance return paths.

Validation and bring‑up

• Start with TI’s recommended test conditions from the datasheet and verify bandwidth and output linearity against your target load.
• Characterize gain flatness and distortion across temperature (−40°C to +85°C) to ensure margin in worst‑case corners.
• If your system is highly sensitive to phase response, sweep phase and group delay across the passband to confirm compliance.

Ordering Information

• MPN: THS3217IRGVT (Texas Instruments)
• Series: THS3217
• Description: DC to 800‑MHz differential‑to‑single‑ended DAC output amplifier
• Package: 16‑VQFN
• Mounting: Surface mount
• Packaging: Tape & Reel (TR)
• Temperature grade: Industrial (−40°C to +85°C)

For other tape‑and‑reel counts, moisture sensitivity level (MSL), and reel/leader details, consult TI’s packaging information linked from the product page.

Key Specifications Summary

• Bandwidth: DC to 800 MHz
• Input: Differential
• Output: Single‑ended
• Operating temperature: −40°C to +85°C
• Package/case: 16‑VQFN
• Pin count: 16
• Mounting: Surface mount
• Lifecycle: Active
• RoHS: Compliant

Parameters not provided here (for example, supply voltage range, gain configuration, input/output impedance, noise density, distortion, and slew rate) should be obtained from the official datasheet.

Resources

• Texas Instruments THS3217 Product Page: https://www.ti.com/product/THS3217
• Datasheet (PDF): https://www.ti.com/lit/ds/symlink/ths3217.pdf

Bookmark the product page for revision updates and collateral such as evaluation boards, application notes, and design tools.

Frequently Asked Questions (FAQs)

What is the bandwidth of the Texas Instruments THS3217IRGVT?

The THS3217 supports operation from DC up to 800 MHz, making it suitable for wideband DAC reconstruction and high‑speed signal paths.

What does the IRGVT suffix mean on THS3217IRGVT?

It denotes the 16‑pin VQFN package supplied in Tape & Reel for the industrial temperature range. Always verify full ordering‑code details in the datasheet and product page.

Is the THS3217IRGVT RoHS compliant?

Yes. The device is listed as RoHS Compliant in the provided data.

What is the operating temperature range?

Industrial temperature grade: −40°C to +85°C.

Is the THS3217IRGVT currently active?

Yes, the lifecycle status is Active according to the Texas Instruments product page (always reconfirm for your build window).

How many pins and what package does it use?

It is a 16‑pin VQFN device intended for surface‑mount assembly.

Where can I find supply voltage, noise, and distortion specifications?

These parameters are not specified in the provided data. Refer to the Texas Instruments datasheet for definitive electrical specifications and design guidance.

Are there approved alternates or direct replacements?

No alternates or replacements are specified in the provided data. If a second source is required, review TI’s portfolio for functionally similar parts and validate against your system requirements.

Closing Thoughts

The Texas Instruments THS3217IRGVT strikes a practical balance for modern mixed‑signal designs: it streamlines the step from a differential DAC to a single‑ended domain while preserving bandwidth up to 800 MHz. With an industrial temperature rating, compact 16‑VQFN package, and RoHS compliance, it is well‑suited for high‑speed data acquisition, communications infrastructure, and test systems. For exact electrical limits and recommended application circuits, use the TI datasheet and product page linked above to complete your design and procurement due diligence.