THS4304D - 3 GHz Low-Noise Wideband Op Amp | Texas Instruments
Référence : THS4304D ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.787 | $6,79 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
THS4304D Présentation
A wideband operational amplifier is a voltage-feedback amplifier designed to amplify signals over a much broader frequency range than conventional precision op amps. Its place in the signal-chain hierarchy is between general-purpose amplifiers and specialized high-speed RF components: it provides gain, buffering, filtering, and impedance conversion while operating from a single supply. The THS4304 is therefore suited to analog front ends where signal bandwidth, supply simplicity, and low-noise performance are more important than rail-to-rail input or output operation.
The verified manufacturer description identifies the THS4304 as a 3 GHz low-noise wideband operational amplifier. Its voltage-feedback architecture is appropriate for closed-loop gains defined by external resistors, while the single 5 V supply simplifies system power compared with traditional plus-and-minus 5 V analog designs. The device is manufactured in the BiCom3 silicon-germanium process, a process technology specifically cited by Texas Instruments for this amplifier family.
Typical uses include high-speed instrumentation, communication receivers, analog filters, data-acquisition front ends, and signal-conditioning chains. The amplifier can be used where a compact single-supply solution must process high-frequency signals without adopting a more complex multi-rail power architecture. Its wide bandwidth makes feedback and stability layout particularly important; resistor values, parasitic capacitance, grounding, and supply decoupling must be controlled close to the device pins.
The 8-pin SOIC package is a surface-mount package in the SOIC family. Designers should consult the manufacturer datasheet for the complete pinout, electrical characteristics, recommended application circuits, stability requirements, and absolute maximum ratings. Because the available verified results do not expose every numeric electrical specification, values not explicitly present in the supplied data are marked as rather than inferred.
This page consolidates the verified Texas Instruments product identity, manufacturer datasheet link, distributor product records, package information, and cross-reference search results. It also distinguishes the THS4304D orderable 8-pin SOIC variant from related device names and avoids presenting unverified substitute parts as drop-in replacements. For purchasing, use the linked manufacturer and distributor records to confirm current price, stock, lead time, lifecycle status, and supported orderable variants.
Alternatives de remplacement direct pour THS4304D — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
THS4304DR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
THS4304DG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
THS4304D Valeurs maximales et caractéristiques électriques
| Product Type | Wideband voltage-feedback operational amplifier |
| Number of Amplifiers | 1 amplifier |
| Small-Signal Bandwidth | 3 GHz |
| Tension d'alimentation | Single 5 V |
| Process Technology | BiCom3 silicon-germanium |
| Feedback Architecture | Voltage feedback |
| Application Category | High-speed analog signal-processing chain |
| Boîtier | 8-pin SOIC |
| Type de montage | Surface mount |
| Manufacturer | Texas Instruments |
| Datasheet Format | |
| Verified Datasheet Record | Manufacturer PDF and distributor product records |
Guide de configuration des broches du THS4304D 8-pin soic
Configuration des broches du THS4304D (boîtier 8-pin soic). Ce composant analogique comporte des broches d'entrée, de sortie et d'alimentation. Consultez la fiche technique du fabricant pour les configurations des broches d'annulation d'offset, de compensation et d'activation. Idéal pour le conditionnement de signaux et les circuits amplificateurs.
Aucune donnée de brochage détaillée disponible pour THS4304D.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
THS4304D convient pour 6 applications: High-Speed Instrumentation Front Ends, Communication Receiver Signal Conditioning, Analog Filter and Equalizer Stages, High-Speed Data Acquisition, RF and IF Buffering, High-Speed Test and Measurement.
High-Speed Instrumentation Front Ends
THS4304D fits instrumentation front ends that amplify or buffer small signals before digitization, especially when the acquisition chain needs more bandwidth than a conventional general-purpose amplifier can provide. Its verified 3 GHz bandwidth and low-noise positioning make it relevant to wideband measurement paths, while the single 5 V supply can simplify analog power planning. The amplifier should be placed close to the source and conversion device, with short feedback traces and carefully selected resistors. Check the datasheet for input range, output swing, noise density, and stability behavior before choosing the gain and filter network.
Recommandé
Communication Receiver Signal Conditioning
THS4304D is appropriate for communication receiver chains where analog filtering, gain, or buffering must handle wideband signals while the system uses a single 5 V rail. The verified 3 GHz small-signal bandwidth supports high-frequency analog stages, and the voltage-feedback architecture makes closed-loop behavior dependent on the external feedback network. In an RF or IF signal path, verify noise, gain bandwidth, output loading, and stability with the actual source and load. Keep the feedback loop compact and use controlled impedance routing to prevent parasitic oscillation or unintended bandwidth reduction.
Recommandé
Analog Filter and Equalizer Stages
Use THS4304D in wideband active-filter or equalizer stages when the required signal bandwidth approaches the capabilities of ordinary op amps. The 3 GHz bandwidth provides useful headroom, but filter stability depends on the selected topology, gain, resistor values, parasitic capacitance, and load. The single 5 V supply helps constrain system architecture, yet the signal must remain inside the amplifier's input and output ranges. Simulate the complete filter with realistic source and load impedances, then validate the layout using the manufacturer's recommended application and stability guidance.
Recommandé
High-Speed Data Acquisition
THS4304D can provide the high-speed gain and buffering stage ahead of a high-rate ADC when the signal path requires 3 GHz-class small-signal bandwidth. Its low-noise wideband characterization is useful when preserving signal integrity is more important than using a precision amplifier optimized only for low-frequency offsets. The single 5 V supply can simplify board-level power distribution, but ADC input range and settling requirements must be checked. Use short traces, local decoupling, and a feedback network designed for the ADC's input capacitance rather than assuming a generic op-amp layout.
Recommandé
RF and IF Buffering
THS4304D may be used as a wideband buffer or gain stage in RF and intermediate-frequency signal chains when the downstream device requires a low-impedance drive and the analog stage must operate from a single supply. Its 3 GHz bandwidth is the principal verified selection criterion, while low-noise operation helps preserve weak-signal integrity. Designers should verify the required gain, noise figure contribution, output drive, and stability against the actual RF bandwidth. Maintain short, controlled-impedance paths and avoid placing excessive capacitance directly on the output unless the amplifier's stability data supports it.
Recommandé
High-Speed Test and Measurement
THS4304D is suitable for wideband test and measurement front ends when the instrument needs to amplify, buffer, or condition signals across a much wider frequency range than conventional precision amplifiers provide. The single 5 V supply and 3 GHz bandwidth support compact, high-speed analog instrumentation, while the voltage-feedback topology allows gain to be set externally. At these frequencies, probe loading, cable or fixture capacitance, grounding, and power-supply impedance become significant. Validate the complete measurement path with realistic terminations and preserve the manufacturer-recommended layout around the amplifier.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour THS4304D — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | THS4304DR | THS4304DG4 |
|---|---|---|---|
| Package | 8-pin SOIC | 8-pin SOIC package relationship requires suffix confirmation | 8-pin SOIC package relationship requires suffix confirmation |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Type | Wideband voltage-feedback operational amplifier | Related THS4304 amplifier ordering code | Related THS4304 amplifier ordering code |
Principaux différenciateurs
- Verified 3 GHz wideband capability (vs General-purpose operational amplifiers)
- Single 5 V supply architecture (vs Traditional plus-and-minus 5 V wideband amplifiers)
- Specialized BiCom3 silicon-germanium process (vs General-purpose amplifier process technologies)
Notes de conception
Estimated design guidance: treat the THS4304D as a wideband RF-adjacent analog device because the verified bandwidth is 3 GHz. Keep the op amp, feedback resistors, source connection, and load connection physically compact, and route return current through a continuous ground plane rather than a long trace. At high frequency, even a small parasitic inductance can interact with the feedback network and alter gain or stability. Validate the final layout with the manufacturer's recommended application circuit and, where available, time-domain reflectometry or network-analysis measurements.
Estimated design guidance: place the power-supply bypass capacitors immediately adjacent to the THS4304D supply and ground pins, and use a low-impedance ground reference for the high-frequency return path. The supplied verified data confirms a single 5 V application and 3 GHz bandwidth but does not provide the exact recommended capacitor values, so those values must be taken from the TI datasheet. Avoid long supply traces and excessive loop area, because supply inductance can reduce stability and increase distortion at high frequencies.
Common pitfall: treating a wideband amplifier as a generic precision op amp can produce unexpected ringing or instability. The feedback resistors, source impedance, load capacitance, and PCB parasitics jointly determine the closed-loop response. Do not infer rail-to-rail input or output behavior, slew rate, noise density, or absolute maximum ratings from the 3 GHz headline specification. Use the official TI datasheet and confirm the exact THS4304D suffix before release.
Informations de conformité
The supplied verified product and distributor snippets do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Confirm current declarations on the Texas Instruments product page or manufacturer compliance documentation.