TLV4112ID - 2.7MHz High-Output-Drive Rail-to-Rail Op Amp | TI
Référence : TLV4112ID ✓ ActifTLV4112ID Présentation
Alternatives de remplacement direct pour TLV4112ID — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
TLV4112IDRG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TLV4112CD
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TLV4112ID Valeurs maximales et caractéristiques électriques
| Product Type | Dual high-output-drive operational amplifier |
| Number of Channels | 2 channels |
| Type de sortie | Rail-to-rail output |
| Unity-Gain Bandwidth | 2.7 MHz |
| Slew Rate | 1.5 V/us |
| Courant de sortie maximal | Greater than 300 mA at 5 V |
| Supply Voltage Range | 5 V to 6 V |
| Maximum Supply Voltage | 6 V |
| Courant d'alimentation | 700 uA per channel |
| Plage de température de fonctionnement | -40 C to +125 C |
| Boîtier | 8-pin SOIC (D) |
| Type de montage | Surface mount |
| Shutdown Feature | Not included in TLV4112; available in TLV4110 and TLV4113 family members |
Guide de configuration des broches du TLV4112ID 8-pin soic (d)
Configuration des broches du TLV4112ID (boîtier 8-pin soic (d)). 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 TLV4112ID.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
TLV4112ID convient pour 6 applications: Low-Voltage Sensor Signal Conditioning, High-Current Analog Buffer, Coil Driver Interface, Audio and Communication Interface Buffer, Portable and Battery-Powered Measurement, Data Acquisition Front End.
Low-Voltage Sensor Signal Conditioning
The TLV4112ID fits low-voltage sensor front ends where the conditioned signal must drive a following stage with more current than a conventional dual op amp can provide. Its dual configuration allows one amplifier to handle amplification or level conditioning while the second channel supports filtering, biasing, or a reference buffer. The verified 2.7 MHz unity-gain bandwidth provides useful closed-loop bandwidth for many sensor and instrumentation signals, while the greater-than-300 mA output capability at 5 V helps preserve the intended output swing when driving the next stage. Because the device is specified for a maximum 6 V supply, the sensor and interface circuitry must remain below that limit. Confirm input common-mode limits, offset, noise, output swing, and stability against the official datasheet before finalizing the gain and decoupling network.
Recommandé
High-Current Analog Buffer
The TLV4112ID is well suited to analog buffer stages requiring substantially more output current than a general-purpose low-power operational amplifier. The verified TLV411x family information identifies output currents in excess of 300 mA at 5 V and specifically supports standard-pinout amplifier use as high-current buffers. In a voltage-follower arrangement, the device can isolate a sensitive source from a heavier downstream load and reduce load-related distortion. The 1.5 V/us slew rate and 2.7 MHz unity-gain bandwidth provide useful dynamic performance for moderate-speed control and measurement systems. The designer must still check capacitive-load stability, output swing, thermal rise, and the maximum supply voltage, because high current capability does not remove those operating constraints.
Recommandé
Coil Driver Interface
The TLV4112ID can serve as a low-voltage coil-driver interface because the TLV411x family supports output currents in excess of 300 mA at 5 V. This makes it relevant to small inductive loads where the driver must source or sink more current than a standard precision op amp can handle. The two amplifier channels can be used for complementary or single-ended drive arrangements, subject to the exact application topology and load requirements. The 2.7 MHz bandwidth and 1.5 V/us slew rate can help preserve the commanded waveform, but the design must include appropriate current limiting, protection, and thermal management for the coil. The 6 V maximum supply rating and the required operating-temperature range also need to be respected in the final design.
Recommandé
Audio and Communication Interface Buffer
The TLV4112ID is applicable to modest audio or communication-interface buffer stages that operate from a low single supply and benefit from strong output-drive capability. Rail-to-rail output helps maintain signal swing near the supply limits, which is useful when the downstream device operates from the same 5 V rail. The 2.7 MHz unity-gain bandwidth supports lower-frequency audio and general communications signals rather than high-bandwidth RF or video channels. The greater-than-300 mA output current at 5 V can reduce loading-related distortion when driving a subsequent buffer or termination network. In practice, engineers should verify the actual input common-mode range, output distortion, noise, and capacitive-load behavior, and should add suitable input and output decoupling close to the device.
Recommandé
Portable and Battery-Powered Measurement
The TLV4112ID is a candidate for portable measurement and battery-powered control systems where the signal path must remain within a 5 V to 6 V supply range. The dual-channel configuration can reduce the number of packages required when an instrument needs signal amplification and an auxiliary buffer or active filter. Its verified 700 uA-per-channel supply current supports low-power design considerations, although actual system consumption depends on the operating mode, load, and external circuitry. The 2.7 MHz unity-gain bandwidth is adequate for many sensor and control signals, while the output-drive capability provides margin for driving moderate loads. Verify battery transient behavior, shutdown requirements, input bias current, and common-mode limits before selecting this device for a battery-powered product.
Recommandé
Data Acquisition Front End
The TLV4112ID can be used in a low-voltage data-acquisition front end as an input buffer, gain stage, or active-filter element when the source impedance and downstream loading are moderate. The dual amplifier arrangement allows one channel to condition the measurement and the other to support filtering or a second input. Its 2.7 MHz unity-gain bandwidth provides adequate bandwidth for many industrial and instrumentation signals, and the strong output drive can help isolate the acquisition stage from heavier loading. The device should be selected only after checking its input offset, noise, bias current, common-mode range, and stability with the selected feedback network. Because the verified data identifies a maximum 6 V supply, analog front ends connected to higher-voltage sensors require suitable protection and attenuation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour TLV4112ID — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | TLV4112IDRG4 | TLV4112CD |
|---|---|---|---|
| Package | 8-pin SOIC (D) | 8-pin SOIC (D) - related orderable variant | 8-pin SOIC (D) - related orderable variant |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
Principaux différenciateurs
- High output-drive capability in a standard dual SOIC package (vs TLV4112IDRG4)
- 2.7 MHz unity-gain bandwidth with 1.5 V/us slew rate (vs TLV4112CD)
- Single-supply 5 V to 6 V operating range (vs TLV4112IDRG4)
Notes de conception
Keep the TLV4112ID within its verified 6 V maximum supply rating and provide local input and output bypass capacitors close to the device. Because no capacitor values are specified in the verified web data, use the manufacturer datasheet's recommended network rather than estimating values. Confirm that the source impedance and supply ripple do not disturb the signal path. If the amplifier drives a long cable or capacitive load, verify stability in the actual layout.
The greater-than-300 mA output-current capability can create significant internal dissipation when the output voltage is below the supply rail or when driving a low-resistance load. Estimate the output-stage dissipation from the actual output voltage, load current, and supply voltage, then check the SOIC-8 thermal performance against the ambient temperature and PCB copper area. The TLV4112ID is specified for -40 C to +125 C, but package temperature must remain within its rated limits.
Place the decoupling capacitors and the amplifier's feedback components close to their associated pins to minimize parasitic inductance and improve transient response. Provide a low-impedance ground return and keep sensitive input traces away from output-current paths. Because the verified sources do not provide a complete pin map, use the official Texas Instruments datasheet to confirm pin orientation and avoid assigning signals to supply or shutdown-related pins by analogy with another family member.
Do not treat the TLV4112ID as a shutdown-capable amplifier; the verified family information identifies TLV4110 and TLV4113, not TLV4112, as members with shutdown. Also avoid using a generic 8-SOIC pinout for replacement work: the complete TLV4112ID pin mapping was not included in the verified sources. Verify the exact suffix, package, electrical ratings, and manufacturer ordering information before substitution.
Informations de conformité
The verified web results identify the manufacturer product page and distributor listings but do not provide extractable RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations for TLV4112ID. AEC-Q100 is marked not_applicable because the verified data does not identify TLV4112ID as an automotive-qualified variant.
