ISO103 - 20kHz Internally Powered Isolation Amp | TI
Référence : ISO103 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $201.0702 | $201,07 |
| 10 | $201.0702 | $2 010,70 |
| 100 | $201.0702 | $20 107,02 |
| 500 | $201.0702 | $100 535,10 |
| 1 000 | $201.0702 | $201 070,20 |
ISO103 Présentation
An isolation amplifier is a differential amplifier whose input and output domains are electrically separated by a reinforced isolation barrier. In the broader hierarchy, ISO103 belongs to the isolation-amplifier class, then to instrumentation amplifiers, then to analog signal-conditioning ICs and semiconductors. This category transfers low-frequency or low-frequency-plus-audio-band analog information across a high-voltage barrier without requiring a direct electrical connection between the two sides.
The principal verified features include internal power, a wide input signal range of +10 V, 20 kHz small-signal bandwidth, and 20 kHz full-power bandwidth. The manufacturer’s datasheet description also identifies the device as a low-cost isolation amplifier. These values position ISO103 for analog isolation, instrumentation, industrial control, and signal-conditioning systems where bandwidth, barrier rating, and a through-hole package are more important than miniature packaging.
The 16-CDIP construction is mechanically significant for systems that use conventional through-hole PCB assembly rather than fine-pitch surface-mount parts. A distributor listing identifies ISO103 as a 16-CDIP isolation amplifier, while another listing identifies a 24-CDIP package for a related representation; the target data therefore preserves the target package as 16 leads and flags package-specific verification where the supplied snippets conflict. ISO103 is an analog IC, so a safe-operating-area chart is not applicable.
Typical applications include isolated sensor interfaces, industrial process-control signal paths, power-inverter feedback, medical monitoring signal isolation, test and measurement input conditioning, and communication-interface isolation. The 20 kHz bandwidth is suitable for many analog control and measurement signals, but it should not be interpreted as a high-speed digital isolation or RF isolation solution. The 5600 Vpk test voltage and 1500 Vrms continuous AC barrier rating are the verified isolation-related figures available from the supplied data.
Designers should confirm the exact pinout, input polarity, supply requirements, gain configuration, isolation limits, and system-level creepage and clearance before layout. The supplied web results identify the device and its major isolation and bandwidth characteristics, but do not provide a complete authoritative electrical table, recommended PCB land pattern, or detailed application circuit. Those values must be taken from the manufacturer datasheet before production release.
This page combines the verified product identity, distributor availability information, package references, isolation ratings, bandwidth data, and sourcing URLs. It does not invent missing gain, supply-voltage, input-impedance, output-voltage, or exact pin-function values; those fields remain explicitly marked for data completion.
Alternatives de remplacement direct pour ISO103 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ISO103 (même facteur de forme et même empreinte) — différant par Mounting Type, Product Type.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ISO103B
✅ Remplacement direct✓ En stock
$190.39 / unité
Voir la fiche technique →ISO103A
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ISO103 Valeurs maximales et caractéristiques électriques
| Product Type | Isolation amplifier |
| Manufacturer | Texas Instruments |
| Number of Amplifier Circuits | 1 circuit |
| Small-Signal Bandwidth | 20 kHz |
| Full-Power Bandwidth | 20 kHz |
| Wide Input Signal Range | +10 V |
| Isolation Test Voltage | 5600 Vpk |
| Continuous AC Barrier Rating | 1500 Vrms |
| Boîtier | 16-CDIP |
| Number of Leads | 16 |
| Type de montage | Through hole |
| Product Description | Low-cost, internally powered isolation amplifier |
| Statut RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
Guide de configuration des broches du ISO103 16-cdip
Configuration des broches du ISO103 (boîtier 16-cdip). 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 ISO103.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ISO103 convient pour 8 applications: Industrial Process Signal Conditioning, Isolated Sensor Interface, Power-Inverter Feedback, Medical Monitoring Signal Isolation, Test and Measurement Input Conditioning, Communication Interface Isolation, Audio-Band Isolated Amplification, Data-Acquisition Front End.
Industrial Process Signal Conditioning
The ISO103 is appropriate for isolating a low-level process signal before it reaches a controller, data-acquisition module, or monitoring system. Its verified 20 kHz small-signal and full-power bandwidth covers many instrumentation signals, while the internally powered architecture simplifies the isolated side of the circuit. The 5600 Vpk test voltage and 1500 Vrms continuous AC barrier rating provide useful isolation-headroom figures, although the final system must still satisfy creepage, clearance, working-voltage, and safety requirements. The verified input range reaches +10 V, so the input network and polarity should be confirmed against the complete manufacturer electrical table before PCB release.
Recommandé
Isolated Sensor Interface
ISO103 can be used where a sensor output must be transferred across an isolation barrier into an electronic control or measurement domain. Its internally powered isolation-amplifier function reduces the number of external supply arrangements compared with a conventional externally powered isolation stage, although the exact supply connection must be taken from the datasheet. The 20 kHz bandwidth is suitable for many slowly varying sensor signals and audio-band measurement channels, not high-speed communications. Use the verified +10 V input range as the starting point for input scaling, then verify input impedance, common-mode limits, gain, and output swing before selecting resistors or protection devices.
Recommandé
Power-Inverter Feedback
The ISO103 is a candidate for feedback and control signals in power-conversion systems where the measurement domain must remain separated from a high-voltage switching environment. Its 20 kHz bandwidth can carry control-loop or feedback information for many non-high-frequency systems, while the stated 5600 Vpk test voltage provides a clearly documented isolation-test figure. The device is not a replacement for a power semiconductor, gate driver, or primary safety isolator. Validate working voltage, transient immunity, component spacing, barrier insulation, and thermal conditions in the final power-electronics enclosure rather than relying only on the device ratings.
Recommandé
Medical Monitoring Signal Isolation
ISO103 may be evaluated for low-frequency monitoring or diagnostic signal conditioning when an electrically isolated patient-side or instrument-side path is required. The 20 kHz bandwidth is relevant to some physiological and audio-band measurements, but the device is not automatically a medical-safety-certified component. The verified 5600 Vpk test voltage and 1500 Vrms continuous AC barrier rating are device specifications, not proof of IEC 60601 or patient-protection compliance. Before use, confirm the applicable medical standard, leakage limits, isolation network, creepage, clearance, single-fault behavior, and risk-control requirements with qualified safety engineers and the manufacturer documentation.
Recommandé
Test and Measurement Input Conditioning
ISO103 is suitable for isolated analog input conditioning in bench and industrial measurement systems when the signal bandwidth is below the verified 20 kHz small-signal and full-power limits. The +10 V input signal range provides a useful design reference for attenuator and protection-network selection, while the isolation barrier helps reduce common-mode coupling between the source and instrument electronics. Because the supplied snippets omit gain, output swing, supply voltage, and exact pin data, the circuit should begin from the manufacturer test circuit and be checked for offset, bandwidth, noise, loading, and output-drive requirements. The CDIP package is practical for through-hole laboratory and industrial boards.
Recommandé
Communication Interface Isolation
ISO103 can be considered for low-speed analog portions of industrial communication and control interfaces, but it should not be mistaken for a digital isolator. Its verified bandwidth is 20 kHz, so it can support certain low-frequency control, transducer, or analog communication signals while remaining unsuitable for high-rate digital links. The internally powered isolation function may simplify signal-chain partitioning, but the design must preserve the specified isolation barrier and account for input/output loading. Use the manufacturer’s pinout and application examples to determine whether the target signal is truly analog and whether an isolated transceiver or digital isolator would be more appropriate.
Recommandé
Audio-Band Isolated Amplification
ISO103’s verified 20 kHz bandwidth makes it relevant to audio-band or other narrowband analog isolation applications, provided the signal level and system requirements fall within the complete electrical specification. The isolated structure can help prevent ground-potential problems when a source and receiver are separated by a substantial voltage or ground reference. However, the supplied data does not confirm noise density, total harmonic distortion, gain accuracy, output drive, or frequency-response detail, so audio performance cannot be inferred from bandwidth alone. Verify those parameters in the manufacturer datasheet and prototype the input, output, grounding, and shielding arrangement before production use.
Recommandé
Data-Acquisition Front End
ISO103 may be used in a data-acquisition front end to isolate a transducer or analog sensor before conversion and processing. Its 20 kHz full-power bandwidth is adequate for many slow or moderate-speed acquisition channels, and the +10 V input range offers a straightforward reference for front-end scaling. The key design checks are input impedance, gain, output swing, supply requirements, settling behavior, and the exact pin configuration because these values are not present in the supplied search snippets. For multichannel systems, assess channel-to-channel isolation, grounding strategy, board creepage and clearance, and the CDIP footprint’s effect on assembly and thermal performance.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ISO103 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ISO103B | ISO103A |
|---|---|---|---|
| Product Type | Isolation amplifier | Isolation amplifier; exact detailed comparison not supplied | Potential related variant; exact product data not verified |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments; unverified variant identity |
| Package | 16-CDIP | 16-CDIP; listing references a 16-CDIP family representation | 16-CDIP assumed only for candidate screening; not verified |
Principaux différenciateurs
- Documented analog isolation bandwidth (vs ISO103B)
- High isolation test figure (vs ISO103A)
- Through-hole integration (vs ISO103B)
- Wide input signal capability (vs ISO103A)
Notes de conception
Treat the isolation barrier as a controlled physical region. Keep the isolated-side and ground-side copper, component placement, and test pads separated according to the manufacturer isolation-layout guidance. The supplied data confirms the isolation ratings but does not provide creepage, clearance, or barrier-construction drawings, so obtain those values from the ISO103 datasheet before finalizing the PCB. Do not route unprotected copper or long traces across the barrier.
Use the verified 20 kHz small-signal and full-power bandwidth as the initial bandwidth limit, then verify the actual signal chain with gain, loading, output slew rate, and isolation capacitance. The +10 V input range does not by itself define safe input operation: confirm differential polarity, common-mode range, input impedance, and overvoltage behavior in the official datasheet. Add input protection only after confirming that the protection network will not damage the isolation amplifier’s accuracy or bandwidth.
Do not assume that ISO103 is a digital isolator or a complete safety-certified isolation system. Its 5600 Vpk test voltage and 1500 Vrms continuous AC barrier rating are component-level figures, while the finished equipment also depends on insulation, working voltage, pollution degree, creepage, clearance, fault conditions, and applicable safety requirements. Verify the exact package and pinout because the supplied snippets conflict on some package representations and do not expose individual pin names.
The supplied data does not provide ISO103 power dissipation, thermal resistance, or junction-temperature limits, so thermal design cannot be finalized from the product summary alone. In a 16-lead CDIP through-hole design, verify copper area, airflow, neighboring heat sources, supply dissipation, and ambient temperature using the manufacturer thermal information. Do not estimate production reliability from the isolation voltage or bandwidth figures, because they do not describe thermal performance.
The ISO103 is identified as internally powered, but that does not eliminate the need to follow the exact supply, ground, bypass, and enable connections shown in the manufacturer application circuit. Before placing parts, confirm the supply voltage, quiescent current, output reference, gain-setting method, and pin functions. The verified search data leaves these values unavailable, making schematic reproduction from distributor descriptions unsafe.
Informations de conformité
The supplied search results identify ISO103 as a Texas Instruments analog isolation amplifier but do not provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification evidence. Confirm compliance for the exact ordering code and current manufacturer documentation.
