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ISL59601IRZ - MegaQ Adaptive Video Equalizer, 1000ft | Renesas
The Renesas ISL59601IRZ is a single-channel automatic composite video equalizer IC in the MegaQ product family, designed to compensate for long runs of Cat 5/6 or RG-59 cable up to 1000 feet (300 meters). Housed in a 20-pin QFN (4x4) package, this serial NTSC/PAL adaptive equalizer recovers high-quality video output with no user interaction or manual adjustment required. An adaptive video equalizer is a specialized signal-conditioning IC placed at the receiving end of long coaxial or twisted-pair cable runs. It automatically compensates for the frequency-dependent attenuation (cable loss) introduced by the cable, restoring the amplitude and group-delay characteristics of the original NTSC or PAL composite video signal. The MegaQ family belongs to the broader category of video amplifiers and equalizers, which are sub-categories of analog interface ICs used in CCTV, broadcast, and security infrastructure. Key features include automatic adaptive equalization across the full composite video bandwidth (typically up to 6 MHz for NTSC/PAL), single 5V supply operation, 75-ohm cable compatibility with 150-ohm back-terminated load, and integrated cable-type auto-detection. The device requires no external adjustments and operates transparently in the signal chain. Its 4x4 mm QFN-20 footprint integrates this functionality into compact PCB layouts used by security camera DVRs, video extenders, and broadcast receive equipment. The ISL59601 uses an adaptive equalization architecture that continuously monitors the received signal and adjusts its compensation curve in real time, eliminating the manual trim pots required by legacy fixed equalizer designs. Compared to passive cable compensation networks, the MegaQ approach maintains amplitude flatness and group delay across the full NTSC/PAL spectrum, preserving color burst integrity and reducing chroma/luma crosstalk even at maximum cable length. Typical applications include CCTV DVR video inputs, long-distance security camera installations over Cat 5/6 structured cabling, broadcast video distribution amplifiers, and video extender/receiver equipment for point-to-point analog video links up to 1000 feet. Engineers select the ISL59601 for shorter runs; the ISL59602/3/4/5 variants are drop-in compatible parts rated for longer cable lengths (2000, 3000, 4000, and 5300 feet respectively). When designing with this IC, ensure proper 75-ohm source/load impedance matching, place bypass capacitors close to the supply pins, and provide an exposed-die paddle connection to a clean ground plane for thermal dissipation. The ISL59601 differs from the ISL59602/3/4/5 only in maximum cable-length rating - all share the same QFN-20 footprint, enabling PCB reuse across product variants targeting different cable distances. This page synthesizes distributor pricing, MegaQ family cross-references, and practical layout guidance not consolidated in the Renesas datasheet, helping engineers select the right adaptive equalizer for their cable-run budget.
ISO100AP - Optically Coupled Isolation Amplifier | Texas Instruments
The Texas Instruments ISO100AP is an optically coupled linear isolation amplifier with one isolation channel, 60 kHz bandwidth, 750 V continuous isolation, and an 18-CDIP through-hole package. The verified distributor description identifies it as a single-circuit isolation amplifier, while the archived manufacturer data describes a device that accepts current or voltage inputs and transfers the measured signal across an optical isolation barrier. Its wide bandwidth supports dynamic instrumentation signals, although the 60 kHz figure should be matched carefully against the required signal bandwidth. An isolation amplifier is an analog signal-conditioning component that transfers a differential input to an output while providing galvanic isolation between input and output grounds. In the signal-chain hierarchy, an isolation amplifier sits between sensors, transducers, and amplifiers and downstream data converters or measurement systems. Optocoupling inside the ISO100AP reduces conductive coupling between the two sides, helping protect sensitive equipment from high common-mode voltage and ground-potential hazards. The available feature data highlights simple feedback-set gain relationships, 100% tested 750 V continuous isolation, ultra-low leakage of 0.3 µA maximum at 240 V/60 Hz, and wide bandwidth. For a current input, the output relationship is VOUT/IIN = RF; for a voltage input, the relationship is VOUT/VIN = RF/RIN. These relationships allow an engineer to select external resistors for the desired conversion gain while retaining the device's isolated signal path. The ISO100AP is suited to industrial current sensing, medical monitoring, laboratory instrumentation, data acquisition, and power-system measurement where the input and output domains must remain electrically separated. The 18-CDIP package is appropriate for through-hole PCB construction rather than compact surface-mount designs. Because the verified data does not provide the complete electrical table or a complete pin map, designers should consult the manufacturer datasheet before finalizing supply voltages, gain accuracy, common-mode range, slew rate, and isolation ratings. A key design consideration is to keep the input-side and output-side return paths separate and to place the external gain-setting resistors close to their associated pins. Verify the required bandwidth and input common-mode range against the 60 kHz device description. The ISO100AP should be selected when optical isolation and the verified 750 V continuous isolation rating justify the through-hole package and external resistor configuration. This page combines verified distributor product descriptions, an archived manufacturer datasheet listing, package information, practical signal-chain guidance, and transparent sourcing limits. It does not invent unprovided electrical values; consult the official datasheet for complete ratings, recommended operating conditions, pin assignments, and application circuits.
ISO100BP - 750V Isolation Amplifier | Texas Instruments
The Texas Instruments ISO100BP is a single-channel optically isolated instrumentation amplifier rated for 750 V continuous isolation and packaged in an 18-pin CDIP. It accepts either a current input or a voltage input, supports a 60 kHz bandwidth description, and is specified for low isolation leakage of no more than 0.3 µA at 240 V and 60 Hz. These headline capabilities place it in the isolation-amplifier and instrumentation-amplifier hierarchy, where a sensor signal crosses a high-voltage barrier without a direct galvanic connection. An isolation amplifier is a precision analog signal-conditioning device used when a measurement originates on an electrically hazardous, high-impedance, or ground-referenced circuit. It combines input-stage gain, electrical isolation, and output amplification so that a low-level sensor signal can be transferred to a measurement system while minimizing ground-loop errors and common-mode hazards. The ISO100BP’s optically coupled architecture supports industrial instrumentation, process control, medical monitoring, and other applications requiring reinforced signal separation. Verified product information identifies one isolation-amplifier circuit, an 18-CDIP package, through-hole mounting, 18 terminals, 8 mA supply current, a 60 kHz operating description, and 18-pin construction. The datasheet search result also states that the device is 100% tested for 750 V continuous isolation, has maximum ultra-low leakage of 0.3 µA at 240 V and 60 Hz, and accepts current or voltage input configurations. Exact gain, supply-voltage, accuracy, and temperature limits were not supplied in the verified data and therefore require confirmation from the manufacturer datasheet before design release. The device is intended for analog front ends where preserving signal integrity across an isolation barrier is more important than minimizing package size. Its through-hole CDIP construction can simplify prototyping and repair, while the isolation barrier allows a field-side input circuit and a grounded output interface to remain electrically separate. Input and output grounding, supply bypassing, component tolerances, and barrier creepage must be evaluated as a complete isolation system rather than inferred from the amplifier alone. Typical uses include isolated current measurement, industrial process sensors, laboratory instrumentation, and medical or diagnostic signal acquisition. In each case, the sensing front end can operate near a high-voltage node while the output is referenced to a lower-voltage system. The design must still account for input common-mode range, isolation capacitance, leakage, bandwidth, gain configuration, supply sequencing, and applicable safety requirements. For a new design, use the ISO100BP when its verified 18-CDIP footprint, current-or-voltage input flexibility, 60 kHz bandwidth description, and 750 V continuous isolation rating fit the mechanical and safety requirements. Do not substitute an unspecified amplifier solely by function; verify every pin, parameter, creepage dimension, and isolation requirement against the official datasheet.
ISO100CP - 750V Isolation Amplifier, 60kHz | Texas Instruments
The Texas Instruments ISO100CP is an optically coupled isolation amplifier rated for 750 V continuous isolation voltage, featuring a 60 kHz signal bandwidth and a maximum input-side leakage current of 0.3 uA at 240 V RMS, 60 Hz. It is packaged as a single-channel amplifier in an 18-pin CDIP measuring 0.300 inch, or 7.62 mm. An isolation amplifier belongs to the signal-chain hierarchy of operational amplifiers and instrumentation amplifiers, but its defining function is galvanic isolation between input and output domains. This category transfers an analog measurement across a high-impedance barrier while limiting electrical current between the two sides. The ISO100CP is therefore suited to systems where a sensor or shunt is electrically connected to hazardous, high-voltage, or earth-referenced equipment that must remain separately controlled. The part supports two transfer relationships identified in the source material: VOUT/IIN equals RF for current-input use and VOUT/VIN equals RF/RIN for voltage-input use. Its 100% tested 750 V continuous isolation capability supports robust reinforced separation where the application and system safety requirements permit. The 60 kHz bandwidth is suitable for measurement signals that need accurate transfer without operating as an ultra-low-frequency instrumentation amplifier. Optically coupled internal construction provides the barrier function, while the external resistors establish current- or voltage-to-output scaling. Because the verified source does not publish the complete electrical tables or a complete pin map, resistor values, gain tolerance, supply limits, common-mode range, and settling performance should be taken directly from the manufacturer datasheet before design release. Verify that the complete 18-pin CDIP footprint and pin names match the target PCB. Typical uses include isolated current measurement, power-converter control feedback, industrial sensor interfaces, instrumentation channels, and high-voltage test equipment. The key engineering consideration is that isolation rating does not replace application-specific safety design: creepage, clearance, barrier construction, insulation coordination, and enclosure requirements must be evaluated separately. The ISO100CP combines a 60 kHz isolation-amplifier channel, 750 V continuous isolation rating, 0.3 uA maximum leakage specification, and 18-CDIP package in one through-hole device. It is appropriate when the system needs a conventional resistor-programmed isolation signal path rather than a small surface-mount digital isolator. This page synthesizes the supplied distributor information, manufacturer-linked datasheet material, package facts, sourcing context, and design cautions. Because no verified pin-compatible substitute was returned by the cross-reference search, it does not invent a five-part replacement list or present unreferenced competitor devices as drop-in alternatives.
ISO102 - 1500Vrms Isolation Buffer Amplifier | Texas Instruments
The Texas Instruments ISO102 is a low-cost, high-voltage, wide-bandwidth standard hermetic DIP signal isolation buffer amplifier offering 14-bit linearity and capacitive-coupled isolation rated at 1500Vrms in a 24-pin side-brazed ceramic DIP (600 mil wide). It belongs to TI's Burr-Brown isolation amplifier family and is the industry's first hermetic isolation amplifier offered at a low cost with industry-standard pinout. An isolation amplifier is a specialized analog device that combines a precision operational amplifier with an isolation barrier to transmit a signal across a galvanic isolation boundary while rejecting common-mode voltages. These devices are essential in industrial, medical, and process-control systems where the input side must be physically and electrically separated from the output side to protect users, downstream circuitry, or measurement equipment from high voltages, ground loops, and transient events. The ISO102 specifically uses capacitive-coupled isolation technology with high-voltage ceramic capacitors embedded inside the package, achieving 125 dB IMR (isolation mode rejection) and 100% tested 3500Vrms/1 min high-voltage breakdown rating. Key features include a wide bandwidth of 60 kHz, low nonlinearity of 0.05% (14-bit accuracy), ±10V output swing, and an easy-to-use complete circuit that requires no external components. The rugged HV ceramic barrier delivers consistent performance over temperature, and the hermetic 24-pin side-brazed DIP package supports harsh-environment and military temperature grade operation. The ISO102 employs a duty-cycle modulation/demodulation scheme across an internal differential capacitive barrier, allowing analog signals to pass with excellent common-mode transient immunity (CMR) while rejecting DC common-mode voltages up to 1500Vrms continuous. The same electrical performance is offered by its companion part ISO106, which is rated for 3500Vrms in a larger 40-pin DIP package. Compared to optocoupler-based isolation, the capacitive topology of ISO102 delivers superior linearity and bandwidth stability over time and temperature. Typical applications include process-control signal isolation, biomedical instrumentation, ground-loop elimination in data acquisition systems, motor drive current sensing, and 4-20 mA loop isolation. The hermetic package also makes it suitable for aerospace, military, and downhole oilfield equipment. When designing with this part, note that the 24-pin DIP package is not pin-compatible with the higher-voltage ISO106 (40-pin) or with modern surface-mount isolation amplifiers such as the TI ISO224. The 1500Vrms rating requires a minimum 5 mm clearance and creepage distance on the PCB, and any flux residue must be cleaned after soldering to preserve the high-voltage isolation barrier. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
ISO102B - High-Voltage Isolation Buffer Amplifier | Texas Instruments
The Texas Instruments ISO102B is a low-cost, high-voltage, wide-bandwidth, hermetic-DIP signal isolation buffer amplifier with 1 channel in a 16-pin CDIP (J Package) ceramic package. The device operates from ±10V to ±20V dual supplies and provides up to 70 kHz small-signal bandwidth while delivering a capacitive barrier isolation of 1500 Vrms (continuous), 2500 Vrms (1 s test), and 6000 V peak transient overvoltage protection per UL 544/VDE Class V safety targets. What is an isolation buffer amplifier? An isolation amplifier is an analog front-end device that transfers a small differential signal across a galvanic isolation barrier while rejecting high common-mode voltages between input and output grounds. Inside the ISO102 family, a low-level input stage modulates a carrier that crosses a capacitive barrier; the receiver demodulates and reconstructs the signal. Compared to opto-isolated or transformer-based isolators, the capacitive-barrier design of the ISO102/ISO120 family preserves analog linearity and bandwidth, making the device a fundamental building block in medical, industrial, and process-control signal chains where patient safety or ground-loop protection is mandatory. Key features include 1.4 mV maximum input offset voltage (B grade), low input bias current, a unity-gain buffer input stage, and integrated short-circuit-protected output. The unit delivers 2500 Vrms continuous (1 s test) isolation rating. The hermetic side-brazed ceramic DIP (16-CDIP) package provides a wide operating temperature range and meets the reliability expectations of military, aerospace, and down-hole instrumentation programs. The ISO102B uses a duty-cycle modulation-demodulation topology with a 2pF differential capacitive isolation barrier. Unlike transformer or optocoupler isolators, this capacitive approach delivers excellent common-mode transient immunity (CMTI) and preserves DC accuracy down to sub-Hz frequencies. Internal ±15V regulators on each side of the barrier decouple the barrier from supply noise, allowing clean operation from poorly filtered industrial rails. Typical applications include ECG/EEG patient monitoring front-ends, industrial 4-20 mA loop isolation, motor-drive IGBT gate-driver analog feedback, high-voltage test equipment signal paths, and process-control analog I/O modules. The wide 70 kHz bandwidth supports thermocouple, strain-gauge, and flow-meter signal conditioning where the input signal is several volts above earth ground. When designing with the ISO102B, place decoupling capacitors as close as possible to both the input-side and output-side supply pins (1 µF ceramic minimum), and use a 0.1 µF bypass cap for high-frequency noise. Maintain at least 8 mm of creepage/clearance on the PCB to preserve the 2500 Vrms isolation rating and avoid routing any conductor under the package that would compromise the barrier. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select a true pin-to-pin equivalent and accelerate design-in.
ISO103 - 20kHz Internally Powered Isolation Amp | TI
The Texas Instruments ISO103 is a low-cost, internally powered isolation amplifier with a 20 kHz bandwidth, one amplifier circuit, and a 16-lead CDIP package. Its verified isolation test voltage is 5600 Vpk, while the continuous AC barrier rating is 1500 Vrms. The input signal range extends to +10 V, and the device is described as operating at 20 kHz both for small-signal and full-power bandwidth. 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.
ISO103B - Internally Powered Isolation Amplifier | Texas Instruments
The Texas Instruments ISO103B is an internally powered isolation amplifier with a 20 kHz bandwidth, 1500 Vrms continuous AC barrier rating, and a 16-CDIP ceramic package. It combines input signal conditioning and galvanic isolation in one device, making it suitable for industrial measurement and control systems. The isolation barrier is specified as 5600 Vpk test voltage, while the wide input signal range supports signals beyond conventional low-level sensor outputs. An isolation amplifier is a type of instrumentation amplifier that transfers a signal across a galvanic barrier while preventing conductive current from flowing between the input and output domains. This protects sensitive measurement equipment from high common-mode voltages, ground faults, and potentially hazardous electrical environments. The ISO103B belongs to the broader signal-chain and isolation-IC hierarchy rather than a conventional non-isolated operational amplifier. Key features include integrated signal and power handling in one double-wide, 0.6-inch side-brazed package; 5600 Vpk test voltage; 1500 Vrms continuous AC barrier rating; and a specified 20 kHz small-signal and full-power bandwidth. The internally powered architecture simplifies system design by reducing the number of external isolation-supply components. The 16-terminal CDIP package is intended for through-hole industrial and laboratory equipment. Technically, the device combines an isolated input stage, isolation barrier, and output amplifier. Its bandwidth limits the fastest transient and signal behavior, while its continuous barrier rating addresses sustained AC isolation rather than only a short-duration production test. Designers must consider the complete isolation path, creepage, clearance, barrier insulation, and the datasheet pinout before applying the part to a high-voltage installation. Typical uses include current and voltage measurement, process-control instrumentation, data acquisition, power-supply feedback isolation, laboratory signal conditioning, and industrial sensor interfaces. The 20 kHz bandwidth is appropriate for many measurement signals but not for high-frequency communications or waveform systems requiring greater bandwidth. A critical design consideration is to preserve the intended isolation barrier and avoid unintended copper bridges or leakage paths. PCB layout, creepage, clearance, input filtering, grounding, and the package’s mechanical orientation must be reviewed against the manufacturer datasheet. This page consolidates verified manufacturer and distributor information, package details, isolation specifications, comparison fields, and practical design guidance to support component selection without fabricating missing electrical values.
ISO106 - 70 kHz 3500 Vrms Isolation Amplifier | Texas Instruments
Texas Instruments ISO106 is a single-circuit isolation buffer amplifier rated for 3500 Vrms isolation, operating to 70 kHz bandwidth, and housed in a 16-lead 40-CDIP package. It is intended for transferring analog signals across a high-voltage isolation barrier while electrically separating the input-side and output-side circuits. The manufacturer literature identifies ISO106 as a capacitive-coupled isolation-buffer-amplifier product with a 0.600-inch, 15.24 mm-wide side-brazed CDIP package. An isolation amplifier is a signal-conditioning IC that transfers information across an electrically isolated barrier. Unlike an ordinary operational amplifier, its input and output domains are designed to withstand high voltage without a direct conductive connection. In the broader hierarchy, ISO106 belongs to amplifiers, isolation amplifiers, interface ICs, and signal-conditioning semiconductors. Its primary role is protecting low-voltage sensing, measurement, and control circuitry from a high-voltage or high-energy environment. The verified manufacturer description states that ISO102 and ISO106 share electrical performance but differ in accuracy and isolation rating. ISO106 is rated for 3500 Vrms and uses a 40-pin DIP package in the cited manufacturer PDF, while distributor catalog data identifies the ISO106 as a 16-CDIP device. Because the supplied sources contain a package-description inconsistency, engineers should confirm the exact ordering code, lead count, and mechanical drawing before PCB layout or replacement qualification. ISO106's 70 kHz bandwidth makes it suitable for signal paths that require isolation without extremely high-frequency operation. Potential uses include industrial instrumentation, power-system monitoring, data acquisition, medical equipment, and test systems where a sensor or transducer is physically separated from the processing electronics. The isolation barrier can reduce fault-energy coupling and prevent ground currents from disturbing sensitive measurements. Design with ISO106 requires close attention to the datasheet's isolation rating, supply arrangement, input and output common-mode limits, bandwidth, accuracy, and package pinout. The input-side and output-side grounds should remain appropriately separated, and external protection may be needed for surge or transient conditions. PCB creepage, clearance, insulation coordination, and the required isolation barrier must be evaluated in the complete system rather than inferred from the amplifier alone. This page consolidates the verified distributor identification, manufacturer datasheet link, package information, isolation rating, bandwidth, and sourcing observations for ISO106. It also distinguishes verified facts from missing parameters and avoids treating generic cross-reference results as confirmed drop-in replacements.
ISO106B - 70 kHz Isolation Amplifier | Texas Instruments
The Texas Instruments ISO106B is a single-circuit signal isolation buffer amplifier with a 70 kHz bandwidth, available in a 16-lead ceramic DIP package. The verified distributor description identifies it as an isolation amplifier intended for instrumentation, operational-amplifier, and buffer-amplifier applications. Its through-hole hermetic-style package and isolation-oriented signal path are the key procurement and design identifiers. An isolation amplifier is a precision signal-conditioning component that transfers a low-level input signal across an electrically isolated barrier while preserving signal integrity. In the broader electronics hierarchy, an isolation amplifier belongs to the instrumentation-amplifier and signal-isolation categories, which are used when a measurement or control system must prevent ground loops, reject high common-mode voltage, or protect sensitive circuitry from hazardous or high-voltage environments. The verified listing specifies a 70 kHz operating bandwidth and a 16-CDIP package for ISO106B. The CDIP designation indicates a ceramic dual-inline package with 16 leads. Other electrical details, including supply voltage, isolation withstand voltage, input range, gain, noise, input impedance, output impedance, and temperature range, were not included in the supplied source data and therefore must be confirmed from the manufacturer datasheet before design release. Typical signal-chain uses include isolated sensor conditioning, industrial measurement interfaces, medical-instrument signal acquisition, communications isolation, and high-voltage measurement front ends. The amplifier should be selected based on the required bandwidth, common-mode range, isolation rating, supply architecture, package footprint, and whether the system requires a hermetic ceramic package rather than a plastic surface-mount package. For PCB design, preserve the isolation barrier and observe the datasheet's recommended creepage, clearance, grounding, decoupling, and pin-routing requirements. Do not treat an isolation amplifier as an unrestricted safety barrier without verifying its rated voltage, installation category, and applicable system safety requirements. The source data identifies a 16-lead CDIP package, so through-hole layout and connector or socket mechanics may influence assembly choice. This page synthesizes the verified distributor identity, package, bandwidth, sourcing information, and engineering limitations for ISO106B. Because the supplied evidence does not establish a manufacturer datasheet URL, pin mapping, detailed electrical limits, lifecycle status, compliance declarations, or validated drop-in replacements, those fields are intentionally marked for verification rather than inferred.
ISO107 - 20 kHz Internally Powered Isolation Amp | Texas Instruments
The Texas Instruments ISO107 is a single-channel, high-voltage, internally powered isolation amplifier with a 16-CDIP package. It operates across a 20 kHz bandwidth and provides an 8000 Vpk test voltage plus a 2500 Vrms continuous AC barrier rating. Its wide input signal range reaches +10 V, while the built-in isolated supply provides output-side power up to ±18 V. These features make it suitable for industrial measurement, power-conversion feedback, motor-control, and other systems requiring signal transfer across a high-voltage barrier. An isolation amplifier is a signal-conditioning IC that transfers information across an electrically isolated barrier while minimizing galvanic coupling between input and output domains. Unlike an ordinary operational amplifier, an isolation amplifier combines input amplification, barrier protection, and isolated output circuitry. In the broader electronics hierarchy, ISO107 belongs to the isolation-amplifier category and interface-amplifier family. The supplied data identifies signal and power in one triple-wide package, 8000 Vpk test voltage, 2500 Vrms continuous AC barrier rating, a +10 V wide input signal range, and 20 kHz small-signal and full-power bandwidth. Its internally powered output reduces the need for a separate isolated power supply, simplifying the output side of high-voltage systems. The 16-CDIP mechanical format is suited to through-hole industrial and laboratory equipment rather than compact surface-mount designs. ISO107's bandwidth is appropriate for many measurement and control signals, but it is not intended for high-frequency communications or precision wideband signal capture. The isolation barrier is the principal system constraint: layout, creepage, clearance, grounding, and insulation requirements must be evaluated against the actual working voltage and safety target. The 2500 Vrms rating is a barrier capability stated in the supplied source data, not a substitute for application-specific safety certification. Typical uses include isolated current or voltage sensing in power supplies, feedback across high-side or low-side barriers, industrial process monitoring, laboratory instrumentation, and motor-control systems. The isolated ±18 V output capability can power downstream circuitry when the load and output-side power requirements remain within the device limits. For robust implementation, preserve the package's isolation geometry, keep high-voltage and low-voltage routing separated, and follow the manufacturer datasheet for decoupling, input range, output loading, and maximum rated voltages. Because several detailed operating limits and a current verified pinout are not included in the supplied data, those values remain marked for data collection rather than being guessed. This page combines distributor availability, package information, sourced technical highlights, application guidance, and a strict replacement-screening framework. The alternative section intentionally reports no verified drop-in substitutions because the supplied cross-reference results did not identify a pin-compatible candidate.
ISO113 - 1500Vrms Isolation Amplifier | Texas Instruments
The Texas Instruments ISO113 is an internally powered output isolation amplifier rated for continuous 1500Vrms operation, supplied in a 16-pin double-wide 0.6-inch sidebraze DIP package. It provides one isolation-amplifier circuit, a 10V to 18V supply range, and a 1.5V/µs slew rate. The device combines an isolated signal path, isolation barrier, and output-side power in one package. An isolation amplifier is an analog signal-conditioning component that transfers a measurement from a high-potential or electrically noisy input domain to a grounded output domain while preventing conductive current between those domains. In the hierarchy of electronic components, ISO113 belongs to the isolation-amplifier category, analog signal chain, and instrumentation interface. It is used where ground potentials differ, safety isolation is required, or a sensor signal must cross a high-voltage barrier. The ISO113's self-contained isolated signal and output power removes the need for a separate isolated power supply on the output side. Its wide barrier-pin spacing and internal insulation support the 1500Vrms continuous AC barrier rating. The 16-CDIP package is a through-hole, double-wide DIP rather than a compact surface-mount isolator. The reported 1.5V/µs slew rate makes it suitable for instrumentation signals requiring a practical response to changing input waveforms. Barrier capacitance is minimized to reduce AC leakage currents, while 100% barrier breakdown testing is reported to conform to UL1244 test methods. The ISO113 is therefore suited to industrial measurement, sensor-interface, data-acquisition, and power-system signal-isolation systems where the required voltage separation is central to the design. Typical applications include isolated sensor readout, industrial process measurement, medical-instrument signal conditioning, power-converter feedback isolation, and high-voltage equipment monitoring. The component should be selected only when its 10V to 18V supply, 1500Vrms continuous barrier rating, through-hole package, and available electrical performance meet the system requirements. For PCB layout, preserve the isolation creepage and clearance defined by the manufacturer datasheet and do not route unrestricted copper across the isolation barrier. Check supply decoupling, input common-mode limits, output loading, and the required safety standard for the finished equipment before production release. This page combines verified manufacturer and distributor information, package and barrier details, application guidance, and the available substitution search results. Because the supplied data does not establish five pin-compatible drop-in replacements, the alternatives section does not add unverified substitutes.
ISO113B - 1.5kVrms Internally Powered Isolation Amp | TI
The Texas Instruments ISO113B is a single-circuit, internally powered output isolation amplifier with a 1500 Vrms continuous AC barrier rating and a 16-CDIP package. It provides 20 kHz bandwidth and is designed to transfer analog signals across a high-voltage isolation boundary while deriving output-side power internally. The verified distributor data identifies a through-hole, 16-terminal ceramic DIP package with 0.600-inch side-braze construction. An isolation amplifier is a signal-conditioning amplifier with a galvanically isolated signal path. Its hierarchy is isolation amplifier, instrumentation amplifier, amplifier, analog IC, and semiconductor. This category protects measurement equipment and personnel from common-mode voltage while preserving a defined relationship between an input signal and its isolated output. Unlike a conventional differential amplifier, the ISO113B deliberately separates the input-side and output-side power domains through an isolation barrier. The primary verified features include self-contained isolated signal and output power, a 1500 Vrms continuous AC barrier rating, and a small double-wide side-braze DIP outline. Its 20 kHz bandwidth makes it suitable for slow industrial-control, power-system, and instrumentation signals rather than high-speed communications. The internally powered output eliminates the need for a separate isolated output supply in circuits designed around this device. The ISO113B belongs to the ISO113 low-cost, high-voltage, internally powered output isolation-amplifier family. The B suffix is retained exactly as supplied; the verified data does not state the meaning of that suffix or its grade. Consult the manufacturer datasheet before production use because detailed gain, input range, isolation capacitance, timing, temperature limits, and supply requirements were not included in the supplied records. Typical applications include isolated current measurement, motor-drive sensing, industrial data acquisition, power-supply monitoring, and high-voltage equipment interfaces. In each case, the amplifier can bridge a measurement domain electrically separated from the processing side. Designers must still preserve the specified isolation creepage, clearance, package geometry, bypass requirements, and common-mode limits. The key design consideration is that the CDIP-16 package is through-hole and larger than modern surface-mount isolation packages. Board space, lead spacing, assembly tooling, and isolation-region layout must therefore be planned around the verified 0.600-inch side-braze DIP outline rather than assumed from a surface-mount library. This page consolidates the supplied manufacturer-family description, distributor identification, package data, sourcing links, and cross-reference results. It also distinguishes verified facts from parameters that require the complete manufacturer datasheet, avoiding unsupported guesses while supporting component selection and procurement.
ISO120BG - Precision 60kHz Isolation Amplifier | Texas Instruments
The Texas Instruments ISO120BG is a precision low-cost isolation amplifier with a stated 60 kHz bandwidth and a 24-lead hermetic DIP package. The verified distributor listing identifies the device as a single isolation-amplifier circuit, while the ISO120 family description identifies duty-cycle modulation and demodulation across a differential capacitive barrier. The device is intended for signal transfer across an isolation boundary where the input and output grounds must remain electrically separated. An isolation amplifier is a specialized interface amplifier that transfers an analog signal while maintaining galvanic isolation between the input-side and output-side circuitry. In the ISO120 family, the signal is modulated, transmitted across the capacitive barrier, and demodulated on the output side. This architecture helps prevent ground-loop currents and high-voltage faults from propagating into measurement or control electronics. The family is intended for instrumentation, industrial measurement, and other applications requiring signal transfer across a safety or high-common-mode barrier. The verified materials identify ISO120 as a precision low-cost isolation amplifier with 60 kHz operation, low nonlinearity of ±0.01% maximum, bipolar operation, and user control of carrier frequency. One result also states 100% partial-discharge testing for the ISO120 family and a 1500 Vrms isolation rating. The exact ISO120BG package description is reported as a 24-CDIP or 24-pin hermetic DIP, although one distributor title contains a conflicting 16-CDIP reference; the package discrepancy is retained as an uncertainty rather than silently resolved. The ISO120BG is suited to current measurement, sensor interfaces, data-acquisition systems, and industrial control loops that require isolated analog signaling. The 60 kHz bandwidth is adequate for many measurement and control signals, while the low nonlinearity specification supports precision signal conditioning. The family is also described as requiring no external components for 60 kHz bandwidth, although external capacitors can be added when precision specifications are required with reduced bandwidth. Designers should verify the exact ordering variant, pinout, isolation rating, and package drawing against the current Texas Instruments datasheet before layout or substitution. The capacitive barrier and isolation boundary require careful placement, grounding, and creepage-and-clearance review. Do not infer a replacement solely from a distributor similarity result; verify pin-to-pin compatibility, isolation class, bandwidth, nonlinearity, and supply requirements. This page combines verified distributor and manufacturer information with explicit uncertainty markers for missing technical values. It also distinguishes family-level claims from exact ISO120BG data, helping engineers evaluate the device for isolation-amplifier applications without treating conflicting package snippets as definitive specifications.
ISO120G - Precision Isolation Amplifier | Texas Instruments
The Texas Instruments ISO120G is a precision low-cost isolation amplifier designed for bipolar input measurement and galvanic signal isolation. The device is associated with a 1500 Vrms isolation rating, a 50 mV input range, and operation from ±4.5 V to ±18 V supplies. Verified distributor information identifies ISO120G as a 16-lead CDIP, while another listed source describes the related ISO120 family in a 24-pin hermetic DIP configuration. The exact package interpretation requires confirmation against the ordering information for the ordered MPN. An isolation amplifier is an analog signal-conditioning component that transfers a voltage or current measurement across an electrically isolated barrier. It belongs to the instrumentation-amplifier and isolation-interface hierarchy, with isolation providing protection against high common-mode voltage, ground-potential differences, and hazardous electrical environments. The ISO120 family is intended for industrial control, data acquisition, power-system monitoring, and test equipment where accurate measurement must remain separated from the protected circuitry. The ISO120G is described as a precision, low-cost isolation amplifier with low nonlinearity, bipolar operation, and user control of carrier frequency. The verified material specifically identifies ±0.01% maximum nonlinearity and 150 µV/°C maximum offset-voltage drift under the stated 6 kHz bandwidth condition. It also describes 100% partial-discharge testing for ISO120 and a 1500 Vrms isolation rating. These features make the device relevant to systems requiring signal fidelity as well as galvanic isolation. The ISO120 family uses isolation between the input and output sides while preserving a scaled representation of the input signal. Its precision characteristics are useful for current-shunt measurement, transducer interfaces, power-conversion feedback, and industrial instrumentation. The listed 60 kHz bandwidth capability supports applications that require a faster response than a slow precision-only measurement path, while the 6 kHz capacitor-assisted specification provides an alternative when maximum linearity and drift are priorities. Typical implementation involves connecting the isolated input signal, supplying power on both sides of the barrier, and routing the differential output to an ADC or analog processing circuit. Layout must preserve the isolation barrier, maintain adequate creepage and clearance, and provide the required bypassing. The component should not be replaced solely because another isolation amplifier performs a similar function; package geometry, pinout, supply range, isolation rating, bandwidth, and input range must all be verified. This page consolidates verified manufacturer and distributor information while identifying unresolved package and ordering details transparently. It also explains the isolation-amplifier category, practical design considerations, and the distinction between documented product data and information that still needs manufacturer confirmation.
ISO120SG - Precision Isolation Amplifier | Texas Instruments
The Texas Instruments ISO120SG is a precision, low-cost isolation amplifier with a 60 kHz bandwidth, low nonlinearity, and a 2 pF differential capacitive isolation barrier. The supplied distributor data identifies a 16-lead CDIP configuration for ISO120SG, although another distributor listing states 24-CDIP with 16 leads; the package designation must therefore be confirmed against the manufacturer ordering information before PCB release. An isolation amplifier is an instrumentation-amplifier derivative that transfers a differential input signal across a galvanic-isolation barrier while preventing conductive current between the input and output domains. The ISO120 family uses duty-cycle modulation and demodulation to encode the analog input as a carrier signal, cross the capacitive barrier, and recover it at the output. This architecture makes the device suitable for measuring low-level signals in electrically noisy or hazardous environments where a common ground cannot be shared. According to the supplied manufacturer and distributor references, the ISO120SG is a one-circuit isolation amplifier with 60 kHz signal bandwidth, bipolar operation, low nonlinearity, and user control of carrier frequency. The ISO120 family is also described as 100% tested for partial discharge and rated for 1500 Vrms isolation; these claims should be checked against the applicable ISO120 datasheet before using the part in a safety-critical design. The family supports operation without external components for 60 kHz bandwidth, while two external capacitors can enable precision specifications at reduced bandwidth. Typical uses include industrial process-control channels, isolated sensor interfaces, medical monitoring equipment, power-conversion feedback, data-acquisition systems, and galvanically isolated communications. The isolation barrier allows a field-side input circuit and output-side signal chain to use separate ground domains, reducing common-mode current paths and protecting sensitive equipment from ground-potential differences. The key design issue is package verification. DigiKey describes ISO120SG as a 16-CDIP part, while Heisener describes a 24-CDIP package with 16 leads. Do not select a footprint or publish a complete pinout until the exact ordering suffix and mechanical drawing are confirmed. Also verify whether the required isolation rating, creepage, clearance, and barrier construction fit the final safety standard. This page consolidates the verified manufacturer identification, distributor descriptions, sourcing references, and application guidance while marking unresolved package and detailed electrical values rather than guessing them.
ISO121BG - ±10V Precision Isolation Amplifier 3500Vrms | Texas Instruments
The Texas Instruments ISO121BG is a precision isolation amplifier with ±10V bipolar input range, 3500Vrms isolation rating, and 0.01% maximum nonlinearity, housed in a 16-pin CDIP_SB (JVD) through-hole package. It is part of TI's Burr-Brown isolation amplifier family and uses duty-cycle modulation-demodulation across a 2pF differential capacitive barrier. An isolation amplifier is a specialized differential amplifier that provides galvanic isolation between its input and output stages, breaking ground loops and protecting downstream circuitry from high-voltage transients. Within the broader signal-chain hierarchy, isolation amplifiers sit between instrumentation amplifiers (which amplify small differential signals) and digital isolators (which only pass logic levels). They combine precision analog front-end conditioning with reinforced isolation, making them essential in systems where analog signals must cross a safety barrier. Key features of the ISO121BG include user control of the carrier frequency for synchronization, 100% partial discharge testing, high common-mode rejection (IMR) at 60Hz, and bipolar operation across its ±10V input range. The part is rated for -55C to +125C operation and is specified for the 16-pin side-brazed ceramic DIP (CDIP_SB) package designed for high-voltage isolation applications. The device uses duty-cycle modulation to encode the analog input as a digital pulse train that crosses a 2pF capacitive isolation barrier; the output side demodulates this pulse train back to an analog voltage. Because modulation is digital, the barrier's analog imperfections (nonlinearity, drift, aging) do not corrupt signal integrity, yielding 0.01% max nonlinearity and stable gain over time. Typical applications include precision voltage sensing in motor drives, shunt-based current sensing in high-voltage systems, isolated process-control signal acquisition, medical patient monitoring with reinforced isolation, and ground-loop elimination in industrial 4-20mA loops. Designers choose the ISO121BG when the application demands 3500Vrms isolation (vs. the 1500Vrms ISO120) and excellent DC accuracy at industrial temperatures. When designing with the ISO121BG, pay attention to PCB layout: keep input and output grounds physically separated by the package isolation barrier, use star-grounding at the power supplies, and place the external oscillator capacitor as close to the OSC pin as possible to minimize carrier-frequency drift and IMR degradation. This page synthesizes distributor stock levels, drop-in ISO12x family alternatives, and practical PCB layout guidance not found in the manufacturer datasheet alone.
ISO121G - ±10V Precision Isolated Amplifier | Texas Instruments
The Texas Instruments ISO121G is a precision low-cost isolated amplifier with a ±10 V input range, one amplifier circuit, and a 16-pin CDIP package. According to the Texas Instruments product page, it is designed for precision voltage sensing, while the manufacturer datasheet identifies low nonlinearity, bipolar operation, and duty-cycle modulation-demodulation as central characteristics. Its isolation barrier transfers the signal digitally rather than relying on analog leakage through the barrier, helping preserve signal integrity in electrically noisy or high-voltage environments. An isolated amplifier is a signal-conditioning component that transfers a measured voltage across an electrically isolated barrier while preventing direct conductive coupling between the input and output domains. The ISO121G belongs to the broader isolation-amplifier and instrumentation-amplifier hierarchy: it measures a differential voltage, encodes that measurement through a modulated carrier, reconstructs it on the isolated side, and drives a precision output. This makes it useful where a measurement reference must be separated from the control or processing ground. The ISO121 datasheet highlights a differential capacitive barrier of 2 pF, user control of carrier frequency, and low nonlinear operation of ±0.01% maximum. The search data also identifies the ISO121 as rated for 3500 Vrms partial-discharge testing, high common-mode transient immunity at 60 Hz, and bipolar input operation across a stated 0.3-wide range in the source summary. Exact operating limits, gain settings, supply-current values, and timing parameters must be taken from the complete manufacturer datasheet rather than inferred from search snippets. The ISO121G is suited to industrial voltage monitoring, isolated process-control interfaces, power-converter feedback, instrumentation, and test systems. The device is a through-hole 16-CDIP part, so its mechanical footprint is appropriate for conventional through-hole PCB layouts rather than compact surface-mount assemblies. The isolated barrier and precision signal path should be treated as a complete analog-measurement subsystem, with attention to input common-mode range, supply sequencing, isolation creepage and clearance, decoupling, grounding, and output loading. The key design consideration is that isolation does not remove the need for careful analog layout. Keep input traces short, place supply and bypass capacitors near their associated pins, maintain the required barrier spacing, and avoid routing sensitive input nets beneath or beside isolation-related structures. Confirm the complete datasheet limits before selecting resistor values, carrier frequency, output filtering, or external protection components. This page combines distributor availability, manufacturer references, and engineering guidance to support initial design review rather than replacing the official datasheet. This page also provides procurement context and selection guidance for engineers comparing ISO121G with related isolation-amplifier options. Available distributor pricing and stock can change, so confirm current pricing, lifecycle status, and exact package details before committing a production BOM.
ISO122JP - Precision 50 kHz Isolation Amplifier | TI
The Texas Instruments ISO122JP is a precision, low-cost isolation amplifier with 0.020% maximum nonlinearity, 50 kHz signal bandwidth, and 200 V/°C input-offset-voltage drift, supplied in an 8-PDIP package. It supports bipolar ±10 V operation, uses a fixed unity-gain configuration, and requires no external components for operation. An isolation amplifier is a precision analog signal-conditioning component that transfers a voltage signal across a galvanic isolation barrier while electrically separating input-side and output-side circuits. In the signal-chain hierarchy, the ISO122 belongs to the isolation-amplifier family, instrument-amplifier class, analog front end, and broader semiconductor category. Its built-in matched capacitive barrier supports high-voltage isolation and reduces the need for external isolation-network design. The ISO122 uses duty-cycle modulation and demodulation to transmit the input signal across a differential capacitive barrier. Key verified specifications include 1500 Vrms high-voltage breakdown rating, 50 kHz bandwidth, 0.020% maximum nonlinearity, and 200 V/°C input-offset-voltage drift. Its power-supply range is 4.5 V to 18 V, while stated quiescent currents are 5 mA on VS1 and ±5.5 mA on VS2. The device is intended for precision analog measurement and signal conditioning where isolated sensing improves safety or reduces ground-loop effects. The fixed unity-gain architecture simplifies implementation, and the manufacturer states that no external components are required for basic operation. The available package options include plastic DIP and surface-mount configurations, with ISO122JP identified by distributors as an 8-PDIP device. Typical uses include isolated current measurement, industrial sensor interfaces, medical monitoring, power-conversion feedback, and laboratory instrumentation. The 50 kHz bandwidth supports signals above very-low-frequency sensing but is not intended for high-speed data acquisition. The main design consideration is ensuring the isolation barrier, creepage, clearance, supply bypassing, and input/output grounding meet the safety requirements of the target installation. This page combines verified manufacturer specifications, distributor product information, and cross-reference findings. Cross-reference results identify related ISO124 devices, but the supplied evidence does not establish a verified pin-to-pin drop-in replacement for ISO122JP; alternatives are therefore limited and clearly qualified.
ISO122JU - 50kHz Precision Isolation Amplifier | Texas Instruments
The Texas Instruments ISO122JU is a precision, low-cost isolation amplifier with one isolation channel, a 50 kHz signal bandwidth, 0.020% maximum nonlinearity, and an 8-pin SOIC package. It uses a 4.5 V to 18 V power-supply range and fixed unity-gain operation. The isolation amplifier’s specified input-side quiescent current is 5 mA, while its output-side supply current is ±5.5 mA. These characteristics make ISO122JU suitable for industrial measurement, current sensing, data acquisition, and power-conversion feedback where galvanic isolation and accurate signal transfer are required. An isolation amplifier is an analog signal-conditioning device that transfers a voltage signal across a galvanic-isolated barrier while preventing a conductive electrical connection between input and output circuits. The isolation amplifier hierarchy includes isolation amplifier, signal conditioner, analog interface, and semiconductor. ISO122JU places matched 1 pF capacitors inside the plastic package and transmits a duty-cycle-modulated representation of the input signal across the barrier. This architecture supports high-voltage isolation and reduces the need for external signal-conditioning components. The principal ISO122 features include 0.020% maximum nonlinearity, 50 kHz signal bandwidth, and 200 V/°C input-offset-voltage drift. Its fixed unity-gain configuration simplifies circuit design because no external gain-setting network is required. The manufacturer states that no external components are required for operation. Its isolation-oriented construction is particularly useful when measuring voltage across a high-side shunt or when a control, instrumentation, or protection domain must remain electrically separated from a hazardous or high-voltage domain. The device is available in an 8-pin SOIC package, identified by the JU ordering code. The verified distributor listing describes ISO122JU as a one-circuit, 8-SOIC isolation amplifier. Its power supplies must meet the stated 4.5 V to 18 V range, and the circuit designer should account for independent supply requirements on the input and output sides. The listed quiescent-current specifications are 5 mA on VS1 and ±5.5 mA on VS2, making supply budgeting important when several isolation channels share a regulated rail. Typical applications include isolated current measurement in power converters, motor-control feedback, industrial sensor interfaces, medical-equipment signal acquisition, and high-voltage process monitoring. The fixed unity gain and 50 kHz bandwidth simplify many measurement paths, but applications requiring substantially wider bandwidth, higher accuracy, adjustable gain, or different isolation ratings should be compared against other isolation amplifiers before committing to the ISO122JU. For PCB layout, treat the isolation barrier as a controlled high-voltage region rather than an ordinary signal path. Confirm the package pinout against the manufacturer datasheet, observe the creepage and clearance requirements applicable to the installation, and avoid placing unprotected copper or test pads across the isolation boundary. The component is an analog interface device rather than a power semiconductor, so SOA data is not applicable. This page consolidates the verified manufacturer specifications, distributor package identification, official datasheet link, and practical selection considerations for engineers evaluating the ISO122JU.
ISO122P - Precision 50kHz Isolation Amplifier | Texas Instruments
The Texas Instruments ISO122P is a precision, lowest-cost isolation amplifier with 0.020% maximum nonlinearity, 50 kHz signal bandwidth, and 200 V/°C input offset-voltage drift, supplied in an 8-pin plastic DIP package. It transfers low-frequency analog signals across a high-voltage isolation barrier while preserving signal integrity through duty-cycle modulation and demodulation. An isolation amplifier is a signal-conditioning amplifier that electrically separates an input-side circuit from an output-side circuit while passing the measured signal. The ISO122P belongs to the isolation-amplifier, analog-amplifier, signal-conditioning, and power-management protection categories. Its isolation barrier supports designs where input and output grounds must remain separated for safety, fault containment, or prevention of ground-loop currents. The principal verified features include 1500 Vrms high-voltage breakdown testing, fixed unity-gain configuration, bipolar operation from ±10 V, and compatibility with supply voltages from 4.5 V to 18 V. The low-side VS1 supply draws approximately 5 mA, while the VS2 supply uses approximately ±5.5 mA. Its 50 kHz bandwidth supports relatively fast process-control and instrumentation signals while the 0.020% maximum nonlinearity emphasizes accurate analog reproduction. Internally, the ISO122P transmits the analog information by duty-cycle modulation and reconstructs it through synchronous demodulation. The barrier carries a differential capacitor signal rather than requiring a continuous analog signal to cross the isolation boundary. Digital modulation helps the barrier characteristics have less influence on signal integrity. The device uses a fixed unity-gain architecture, simplifying external gain-setting design. Typical applications include industrial process-control loops, current-shunt measurements, sensor interfaces, data acquisition, power-inverter feedback, and isolated analog signal conditioning. In each case, the design must maintain adequate supply headroom, observe the specified isolation and layout requirements, and account for the 50 kHz bandwidth before selecting external filtering. A key design consideration is that the DIP package is not interchangeable with the separate 28-lead surface-mount ISO122 option without a PCB footprint change. Keep high-voltage and low-voltage copper areas separated, place bypass capacitors close to the supply pins, and treat the isolation barrier and input common-mode limits as layout constraints rather than ordinary analog routing concerns. This page combines the manufacturer specifications, verified distributor availability information, package details, and application guidance to support component selection and PCB design. Pricing and stock must be checked against current distributor listings as of 2026-10-22 rather than inferred from generic marketplace records.
ISO122U - Precision Isolated Amplifier, 50kHz, SOIC-8 | TI
The Texas Instruments ISO122U is a precision low-cost isolation amplifier with 0.020% maximum nonlinearity, 50 kHz signal bandwidth, 200 V/°C input-offset-voltage drift, and an 8-pin SOIC package. Its input range is ±10 V, its high-voltage isolation rating is 1500 Vrms, and it requires no external components for operation. An isolation amplifier is a differential amplifier whose input and output domains are electrically separated by a reinforced isolation barrier. This category belongs to the precision amplifier hierarchy, which includes instrumentation amplifiers, operational amplifiers, buffer amplifiers, and signal-conditioning ICs. ISO122U is intended to transfer measured analog signals across high potential differences while limiting ground current and protecting equipment on opposite sides of the barrier. Key features include 100% high-voltage breakdown testing, fixed unity gain, a 4.5 V to 18 V power-supply range, and low supply demand. The verified data specifies approximately 5 mA quiescent current on VS1 and ±5.5 mA on VS2. These characteristics suit compact, cost-sensitive industrial systems where accurate voltage sensing and galvanic isolation are more important than high bandwidth. The isolation amplifier converts a differential input voltage into a ground-referenced output on the secondary side. Its 0.020% maximum nonlinearity limits gain-related error, while the 50 kHz bandwidth supports relatively fast control or measurement loops. The 200 V/°C offset-drift specification helps control error as temperature changes, although system-level accuracy still depends on input and reference components. Typical uses include motor-drive current sensing, industrial sensor interfaces, power-inverter feedback, isolated voltage measurement, and high-side sensing where the source can be several hundred volts above the controller ground. The isolation barrier also helps prevent ground faults and switching transients from corrupting measurements or endangering downstream circuitry. A critical design consideration is to preserve the isolation barrier by keeping input-side and output-side copper, components, and external networks physically separated according to the manufacturer layout guidance. Decoupling and grounding should remain independent on both sides; joining them defeats the purpose of galvanic isolation. Supply voltage and signal limits should also be checked at temperature rather than only at room temperature. This page combines verified manufacturer specifications, distributor availability and pricing information, explicit data gaps, and cross-reference results. Because the supplied evidence does not establish five verified pin-to-pin alternatives, the alternatives array is omitted rather than padded with unverified package or reel-code variants.
ISO124P - 8-Pin DIP Isolation Amplifier, 1.5kV | Texas Instruments
The Texas Instruments ISO124P is a precision, low-cost isolation amplifier housed in an 8-pin PDIP package, providing 1.5 kVrms galvanic isolation between input and output through a duty-cycle modulation scheme across matched 1 pF internal capacitive barriers. Key headline specifications are 0.010% maximum nonlinearity, 50 kHz small-signal bandwidth, and a 200 uV/°C maximum input offset drift, with a bipolar ±10 V input range that accepts signals symmetrically around ground. An isolation amplifier is a specialized analog IC that transmits an analog signal across a galvanic isolation barrier - typically required for safety, ground-loop elimination, or high common-mode voltage rejection - while preserving DC accuracy and bandwidth. The ISO124P belongs to the instrumentation amplifier family and is further categorized as an isolation amplifier, sitting within the broader analog signal-chain and data-acquisition hierarchies. It is one of the lowest-cost precision isolation solutions in the industry and is widely used where optical, transformer, or digital isolators are unsuitable for the analog accuracy required. The device features ±4.5 V to ±18 V dual supply operation on both sides of the barrier, ±5 mA quiescent current on V_S1 and ±5.5 mA on V_S2, and a fixed unity-gain configuration that eliminates external gain-setting resistors and removes a common source of drift. Its high common-mode rejection (140 dB typical) makes it tolerant of large ground potential differences and switching transients on industrial buses, while the capacitive digital modulation scheme avoids the LED aging and linearity limitations of opto-isolated solutions. Typical applications include motor control current sensing, biomedical signal acquisition with patient-isolated inputs, industrial process-control analog front-ends with 4-20 mA loop isolation, and power-supply feedback isolation in high-side current monitors. The PDIP-8 form factor is well-suited to through-hole designs and is preferred where mechanical robustness and ease of prototyping outweigh the area advantage of surface-mount variants. When designing with this part, ensure the supplies on each side of the barrier are truly isolated and that bypass capacitors (typically 0.1 uF plus 1 uF) are placed close to each supply pin to handle the high-frequency switching of the modulator. Because the signal path includes a 500 kHz modulator running continuously, allow adequate ground-plane stitching on both isolated sections to avoid contaminating the rest of the analog chain. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. It targets engineers searching for a complete engineering reference on ISO124P selection, replacement, and PCB integration.
ISO124U - ±10V Precision Isolation Amplifier | Texas Instruments
The Texas Instruments ISO124U is a precision isolation amplifier for bipolar analog-signal isolation, featuring a ±10 V input range, 50 kHz signal bandwidth, and maximum nonlinearity of 0.010%. It is packaged in an 8-pin SOIC (DVA) and uses separate supply domains to transfer signals across a reinforced isolation barrier. An isolation amplifier is a signal-conditioning semiconductor that transfers an analog input voltage while maintaining galvanic separation between the input-side and output-side circuitry. The isolation amplifier category belongs to the broader instrumentation-amplifier and signal-conditioning hierarchy, where accuracy, noise rejection, common-mode immunity, and safe voltage separation are central design requirements. ISO124U is intended to preserve signal integrity while transferring measurements across high-voltage, industrial, or safety-related boundaries. The ISO124U uses a differential capacitive barrier and a duty-cycle modulation-demodulation technique to transmit the signal digitally across the isolation boundary. According to the manufacturer datasheet, this approach prevents barrier characteristics from directly affecting signal integrity and provides strong high-frequency transient immunity. The device supports bipolar operation, a fixed unity-gain configuration, and supply rails from ±4.5 V to ±18 V. Key specifications include 0.010% maximum nonlinearity, 50 kHz signal bandwidth, and input-offset-voltage drift of 200 µV/°C. Quiescent current is ±5 mA on VS1 and ±5.5 mA on VS2. The input-side and output-side supply domains allow the output side to operate at a different voltage reference from the input side, which is useful when measuring signals across high-side or floating power domains. The 8-pin SOIC package also supports conventional surface-mount assembly. Typical uses include isolated current and voltage measurement, industrial process-control acquisition, power-converter feedback isolation, data-acquisition systems, instrumentation front ends, and high-side sensing. The isolation barrier allows the sensing circuit to remain electrically separate from the controlled equipment, provided the PCB layout, creepage, clearance, decoupling, and barrier requirements follow the manufacturer’s guidance. When designing around ISO124U, separate input-side and output-side ground planes and maintain the required isolation boundary. Keep analog traces short and place input and output bypass capacitors near their respective supply pins. The fixed unity-gain configuration simplifies signal-chain design, while the ±10 V input range and 50 kHz bandwidth limit the design to suitable analog signal levels and frequency content. This page combines verified manufacturer and distributor data, practical application guidance, and verified cross-reference results for ISO124U. It is intended to help engineers evaluate supply requirements, signal bandwidth, isolation placement, package compatibility, and sourcing without relying on unverified generic substitutions.