Circuitos integrados

ISL26325FVZ

ISL26325FVZ - 12-Bit 250kSPS 4-Channel SAR ADC | Renesas

The Renesas ISL26325FVZ is a 12-bit, 250 kSPS low-power successive-approximation-register (SAR) analog-to-digital converter with four single-ended (or two differential) input channels, housed in a 16-pin TSSOP package. The part operates from a single 5 V nominal supply, draws only 15 mW at 250 kSPS, and falls to 8 µA typical between conversions when Auto Power-down mode is enabled, making it well-suited to power-constrained multi-channel data-acquisition systems. The serial digital interface is SPI-compatible, simplifying connection to popular FPGAs and microcontrollers across industrial and consumer designs. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses a binary-search algorithm against an internal DAC to resolve each conversion in N bit-clock cycles. SAR ADCs offer the best trade-off among speed, resolution, and latency for precision multiplexed applications. They are a sub-category of data converters, which sit within the broader signal-chain IC family alongside amplifiers, filters, and references. Key features of the ISL26325FVZ include 12-bit resolution, 250 kSPS throughput, a proprietary input multiplexer and combination buffer amplifier that lowers input drive requirements, integrated sequencer support, and excellent linearity over supply and temperature. The Auto Power-down function reduces idle current dramatically between bursts, extending battery life in portable instruments. The internal architecture pairs a capacitive-DAC SAR core with a low-leakage input MUX and on-chip reference buffer, allowing the converter to maintain INL/DNL performance over the full -40 °C to +125 °C automotive temperature range. The SPI/QSPI/MICROWIRE-compatible serial port supports daisy-chaining multiple devices for high-channel-count systems. Typical applications include industrial process control and PLC analog front ends, automotive sensor monitoring, battery-management telemetry, portable instrumentation, and multi-zone temperature or pressure monitoring. Designers often pair the ISL26325 with a precision op-amp driver and an external 2.5 V or 4.096 V reference to maximize absolute accuracy. When designing the input front end, ensure the source impedance stays below the value recommended in the manufacturer datasheet to avoid gain errors. The Auto Power-down mode assumes a stable clock and consistent CS framing - verify timing in your MCU's SPI peripheral before relying on the lowest quiescent current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet alone, helping engineers shorten the selection cycle and avoid common pitfalls.

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ISL26325FVZ-T

ISL26325FVZ-T - 12-bit 250kSPS 4-Ch SAR ADC | Renesas

The Renesas ISL26325FVZ-T is a 12-bit, 250 kSPS, low-power successive-approximation register (SAR) analog-to-digital converter with four single-ended or differential input channels and an SPI-compatible serial interface, housed in a 16-pin TSSOP package. Headline parameters include 12-bit resolution, 250 kSPS sampling rate, four input channels, and a TSSOP-16 outline that fits compact data-acquisition layouts. A SAR ADC is a type of analog-to-digital converter that uses a binary-search algorithm with an internal capacitive DAC and a high-speed comparator to produce one conversion result per acquisition cycle. SAR ADCs sit within the broader hierarchy of ADC architectures (flash, SAR, sigma-delta, and pipeline), and are favored for moderate-resolution, moderate-speed, low-latency conversions where deterministic behavior and excellent DC linearity are required. The ISL26325FVZ-T belongs to the data-acquisition and precision-converter category of mixed-signal ICs. Key features include four software-configurable input channels accepting single-ended or differential signals, an SPI-compatible serial data interface, an auto power-down mode that reduces supply current to 8 µA typical between conversions, and total power consumption of 15 mW at the full 250 kSPS sampling rate. The wide supply range and integrated input multiplexer simplify front-end analog design in multiplexed sensor applications. Technically, the device operates from a single analog supply, integrates a high-accuracy internal reference path, and delivers excellent linearity over the full operating range. The SAR core architecture provides no pipeline latency, so each conversion result is available immediately after the requested sample instant - an important property in closed-loop control and multiplexed data acquisition. Typical applications include industrial process control and instrumentation, multichannel sensor monitoring, battery management system telemetry, factory-automation analog front ends, and portable medical or measurement equipment that needs low standby current between scans. When designing with this part, ensure the analog supply is well-decoupled close to the IC and that the SPI clock speed respects the SAR conversion timing budget; verify that auto-power-down timing matches your scan-cycle schedule to maximize energy savings. This page synthesizes distributor pricing, drop-in TSSOP-16 alternatives, and practical design guidance not aggregated in the manufacturer datasheet.

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ISL26325FVZ-T7A

ISL26325FVZ-T7A - 12-bit 250kSPS 4-ch SAR ADC | Renesas

The Renesas (formerly Intersil) ISL26325FVZ-T7A is a 12-bit, 250 kSPS successive-approximation-register (SAR) analog-to-digital converter with 4 single-ended or differential input channels, housed in a 16-pin TSSOP package. It operates from a 2.7 V to 5.5 V analog supply, supports an external reference up to AVDD, and draws a typical supply current of 1.9 mA at 250 kSPS, with a power-down mode that drops current to a few hundred nanoamps for battery-friendly duty-cycled measurements. An SAR ADC is a Nyquist-rate converter that performs a binary search on the analog input using an internal capacitive DAC and comparator. Unlike sigma-delta ADCs, SAR converters deliver a single conversion per acquisition with no pipeline latency, making them ideal for multiplexed multi-channel data-acquisition systems where deterministic latency and fast channel-to-channel settling matter. SAR parts slot into the hierarchy analog-to-digital converter -> data converter -> signal-chain IC -> mixed-signal semiconductor. Key features of the ISL26325FVZ include ±1 LSB INL (typical), a true 12-bit no-missing-codes guarantee, a serial SPI-/QSPI-/MICROWIRE-compatible interface, and a proprietary input multiplexer with integrated input buffer amplifier that reduces the external driver requirements. The part accepts single-ended inputs in the range 0 V to AVDD and differential inputs in the range -AVDD to +AVDD, supporting bipolar signal swings around a common-mode voltage. Typical applications span industrial process control, multi-loop programmable logic controllers (PLC) analog front ends, portable instrumentation, battery-powered sensor hubs, 4-wire RTD / thermocouple digitizers, and general-purpose data-acquisition cards. The wide supply range, low power, and small TSSOP-16 footprint also make the device attractive in compact embedded designs where board area and quiescent current are at a premium. When designing with the ISL26325FVZ, choose the analog input capacitor and external reference capacitor per the application note recommendations for AC performance, place the AVSS and DGND ground returns on a low-impedance ground plane, and verify the SCLK idle level matches the chosen SPI mode (CPOL/CPHA) of the host microcontroller. Decouple AVDD and DVDD with separate 10 µF + 0.1 µF pairs to keep digital switching transients out of the analog reference. This page synthesizes distributor pricing (as of 2026-10-13), drop-in alternatives, comparison parameters, and design notes not collated in the manufacturer datasheet alone, giving engineers a single reference for sourcing and second-sourcing decisions on the ISL26325 family.

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ISL26329FVZ-T

ISL26329FVZ-T - 12-bit 250kSPS SAR ADC 8-Ch | Renesas

The Renesas (formerly Intersil) ISL26329FVZ-T is a 12-bit, 250 kSPS successive-approximation-register (SAR) analog-to-digital converter with 8 single-ended input channels (or 4 differential) and a serial interface, supplied in a 16-pin TSSOP package. The -T suffix denotes tape-and-reel packaging, and the device operates from a single 2.7 V to 5.25 V analog supply while drawing very low quiescent current, targeting battery and industrial measurement systems. A SAR ADC is a successive-approximation analog-to-digital converter that uses a binary-search algorithm and an internal capacitive DAC to convert each analog sample in N clock cycles, where N is the resolution in bits. SAR converters offer deterministic latency, no pipeline delay, and excellent DC linearity, which makes them the dominant architecture for multiplexed multi-channel data-acquisition front ends in the 10-16 bit, 1 kSPS to 1 MSPS range. The ISL26329FVZ-T sits in the middle of that range as a low-power, multi-channel SAR ADC for general-purpose signal acquisition. Key features include 12-bit resolution with no missing codes, 250 kSPS throughput, an integrated input multiplexer with 8 single-ended or 4 differential channels, and an input buffer/amplifier that reduces the external drive requirements. The on-chip sequencer allows automatic channel scanning, and the SPI-/QSPI-/MICROWIRE-compatible serial interface simplifies connection to microcontrollers and DSPs. The single-ended input range is 0 V to VREF (or 0 V to AVDD when using AVDD as reference), and the differential input range is -VREF to +VREF. Typical applications include industrial process instrumentation, multi-channel sensor data loggers, battery-powered portable measurement, factory-automation analog front ends, and general-purpose multi-channel data-acquisition boards. The wide supply range (2.7 V to 5.25 V) and low power consumption also suit handheld medical and consumer measurement devices. When designing with this part, place a 100 nF decoupling capacitor close to each supply pin and follow the datasheet's PCB layout guidelines for the analog and digital grounds. The reference voltage input directly determines absolute accuracy, and the input multiplexer settling time must be respected when scanning channels at full throughput. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers shorten selection time and avoid common pitfalls when migrating from similar multi-channel SAR ADCs.

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ISL26708IHZ-T

ISL26708IHZ-T - 8-Bit 1MSPS SAR ADC SOT-23-8 | Renesas

The Renesas ISL26708IHZ-T is an 8-bit, 1 MSPS successive-approximation-register (SAR) analog-to-digital converter (ADC) housed in an 8-pin SOT-23 package, offered on tape-and-reel. It is the 8-bit member of the ISL26708/ISL26710/ISL26712 SAR ADC family and operates from a single 2.7V to 5.25V analog supply, providing a high-impedance fully-differential input that preserves specified linearity even when input signals swing to the supply rails. The reference voltage accepts inputs from 0V to VDD, enabling ground-referenced single-ended measurements in low-voltage systems. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses a binary-search algorithm and an internal capacitive DAC to convert each analog sample to a digital code in one conversion cycle per bit. Within the broader converter hierarchy, SAR converters sit between flash ADCs (fastest, most power) and sigma-delta ADCs (highest resolution, lowest speed). The SAR topology delivers an excellent speed-vs-power trade-off for industrial instrumentation, motor control, and portable data-acquisition front-ends where mid-bandwidth 8-to-12-bit conversion is required. Key features of the ISL26708IHZ-T include 1 MSPS guaranteed throughput with no latency, low integral and differential non-linearity across the full supply and temperature range, an SPI-compatible serial interface, a true-differential analog input with high common-mode rejection, and an operating temperature range suited to industrial environments. The fully-differential input simplifies direct connection to bridge sensors, current-shunt amplifiers, and audio line inputs without external instrumentation amplifiers. The architecture combines a high-impedance track-and-hold front end with a precision charge-redistribution DAC. Each conversion is initiated by the user via the CNVST pin and the result is clocked out on the SDO pin through a standard SPI frame. Power consumption scales linearly with sampling rate, allowing the device to idle at microamp-level standby currents between bursts, which is valuable for battery-powered or duty-cycled applications. Typical applications include industrial process-control analog front ends, portable instrumentation and battery monitors, optical-module monitoring (SFP/QSFP), temperature and pressure sensor digitizers, motor control feedback, and consumer audio metering. The wide supply range (2.7V to 5.25V) covers both 3.3V and 5V rails, and the differential input tolerates ground-referenced or rail-referenced sensor outputs. When designing with this device, place the 0.1uF decoupling capacitor as close as possible to the AVDD pin and keep the analog and digital ground returns separated until they join at a single point beneath the IC. The reference decoupling capacitor value and ESR directly affect AC performance; a low-ESR ceramic on REF is recommended for full 1 MSPS operation. This page synthesizes distributor pricing, drop-in alternatives from Renesas and select competitors, and practical design notes not found in the manufacturer datasheet alone.

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ISL26708IHZ-T7A

ISL26708IHZ-T7A - 8-Bit 1MSPS SAR ADC | Renesas | SOT-23-8

The Renesas ISL26708IHZ-T7A is an 8-bit, 1 MSPS successive-approximation-register (SAR) analog-to-digital converter housed in an 8-lead SOT-23 package. It operates from a 2.7V to 5.25V analog supply and provides excellent linearity over supply and temperature variations. The fully-differential input architecture presents high input impedance to minimize leakage-induced errors, and the device accepts true bipolar or unipolar input ranges. The part is specified over the -40C to +85C industrial temperature range. A SAR ADC is a type of analog-to-digital converter that uses a binary-search algorithm through an internal capacitive DAC to successively approximate the input voltage against a precision reference. SAR ADCs offer the best combination of throughput, latency, and power consumption for multiplexed data acquisition, motor control, and instrumentation front-ends where a single conversion result must be captured per trigger without the pipeline delay of higher-speed architectures. Key features of the ISL26708IHZ-T7A include 1 MSPS minimum throughput, no missing codes at 8-bit resolution, low power consumption (approximately 8.5 mW at 1 MSPS with 5V supply), a SPI/QSPI/MICROWIRE-compatible serial interface, and a true-differential analog input that supports ±VREF common-mode. An external reference voltage (1V to 5V) sets the input full-scale range, giving designers flexibility to optimize dynamic range. The robust input structure, wide supply tolerance, and small SOT-23-8 footprint make the ISL26708IHZ-T7A well-suited for portable instrumentation, industrial process control loops, sensor signal conditioning, and battery-monitoring front-ends. Its differential input rejects common-mode noise present in long sensor cable runs. When designing with this device, place the 0.1 uF and 10 uF decoupling capacitors as close as possible to the AVDD and DVDD pins to ensure conversion accuracy, and route the analog and digital ground returns to a single-point star ground near the ADC's GND pin to avoid digital switching noise coupling into the analog input. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ISL26708IRTZ-T7A

ISL26708IRTZ-T7A - 8-Bit 1MSPS SAR ADC, 8-TDFN | Renesas

The Renesas ISL26708IRTZ-T7A is an 8-bit, 1 MSPS successive-approximation-register (SAR) analog-to-digital converter supplied in an 8-lead TDFN-EP (3 mm x 3 mm) package with an exposed thermal pad. It operates from a single 2.7 V to 5.25 V analog supply and integrates a low-noise track-and-hold, precision reference input, and a high-speed serial interface. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses a binary-search algorithm and an internal capacitive DAC to convert an analog input to a digital code in one conversion cycle per bit. SAR ADCs combine high throughput (often hundreds of kSPS to multi-MSPS) with deterministic latency and excellent DC accuracy - placing them in the broader taxonomy: ADC -> data converter -> signal chain IC -> mixed-signal semiconductor. Key features include 1 MSPS throughput, ±1 LSB INL/DNL (typical), a SPI-/QSPI-/MICROWIRE-compatible serial interface, low 8 mW power dissipation at 1 MSPS with 3 V supply, and a 2.5 V reference input accepting external references for system-level gain trim. The wide supply range allows direct interfacing to 3.3 V and 5 V microcontrollers or DSPs without level translators. An exposed thermal pad (EP) reduces junction-to-ambient thermal resistance, which is important for sustained 1 MSPS operation at elevated ambient temperatures. The converter is built on a BiCMOS process that pairs a precision analog front-end with a small-footprint serial host interface, delivering low total harmonic distortion at full Nyquist input while keeping quiescent supply current modest in partial-power-down and full-power-down modes. Typical applications include industrial process control loop readouts, multi-channel data-acquisition front ends, optical-module monitor photodiodes, and precision sensor conditioning where deterministic latency and small PCB area matter. An end-of-conversion (EOC) flag and dedicated CNVST rising-edge conversion control simplify DMA hand-off and oversampling schemes in embedded designs. When designing with the ISL26708, allocate the analog and digital ground planes as a single star-ground tied under the EP, and bypass AVDD and DVDD independently with 10 uF bulk plus 100 nF high-frequency ceramic capacitors within 5 mm of the pins. This page bundles distributor pricing, drop-in alternates, application examples, and design notes curated for engineers evaluating SAR ADCs in industrial, sensor, and instrumentation designs.

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ISL2671286IBZ-T

ISL2671286IBZ-T - 12-Bit 20kSPS SAR ADC | Renesas

The Renesas ISL2671286IBZ-T is a 12-bit, 20kSPS successive-approximation-register (SAR) analog-to-digital converter supplied in an 8-pin SOIC package and qualified for the -40C to +85C industrial temperature range. It offers a single differential input channel, an SPI-compatible serial interface, and operates from a single +5V analog supply. The device features excellent linearity over supply and temperature variations and is designed as a drop-in compatible alternative to all ADS1286 performance grades. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses a binary-search algorithm against an internal precision DAC to digitize an analog input in N conversion cycles for an N-bit code. SAR ADCs are favored for low-latency, single-shot conversions with no pipeline delay, and they offer excellent static linearity because every conversion uses the same precision comparator and DAC. In the broader data-converter hierarchy, SAR ADCs sit alongside delta-sigma and pipeline ADCs as the three dominant precision ADC architectures; SAR specifically targets multiplexed, multiplexed low-channel-count precision sampling up to a few megasamples per second. Key features include a true-differential analog input, integrated track-and-hold, low power consumption suitable for battery-powered or loop-powered instruments, and an SPI/QSPI/MICROWIRE-compatible serial output interface. The 8-SOIC package is industry-standard, allowing straightforward PCB layout and easy drop-in replacement of legacy ADS1286 designs. The wide operating range and high linearity make the part suitable for industrial environments where supply and temperature variation would otherwise compromise measurement accuracy. Typical applications include industrial process control loop transmitters, weigh-scale and load-cell digitizers, portable instrumentation, programmable logic controller (PLC) analog input modules, and battery monitoring systems. Designers select this ADC when a single-channel, low-latency, high-linearity conversion is required at sample rates up to 20 kSPS without the complexity of a multi-channel converter. When designing with this part, pay attention to the analog input common-mode voltage and provide adequate input RC filtering to limit broadband noise. According to the manufacturer datasheet, the part provides a drop-in compatible alternative to all ADS1286 grades, meaning existing ADS1286 PCB layouts can be reused without modification. This page synthesizes distributor pricing, parametric alternatives, and practical design notes that go beyond the manufacturer datasheet.

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ISL26712IHZ-T

ISL26712IHZ-T - 12-bit 1MSPS SAR ADC | Renesas | SOT-23-8

The Renesas ISL26712IHZ-T is a 12-bit, 1MSPS sampling SAR-type analog-to-digital converter housed in an 8-pin SOT-23 surface-mount package. It pairs true-differential input architecture with low power consumption, achieving ±1 LSB INL across the industrial temperature range while operating from a single 2.7V to 5.25V supply. A successive-approximation register (SAR) ADC is a converter architecture that performs a binary search across an internal precision DAC during each conversion cycle. Within the converter hierarchy, SAR ADCs sit between high-speed flash converters and high-resolution sigma-delta ADCs, providing an optimal mix of speed (up to multi-MSPS) and resolution (8-18 bits) for general-purpose data acquisition. The ISL26712 belongs to Renesas's precision-SAR family designed for industrial instrumentation, process control, and battery-powered sensing. Key features include 12-bit resolution with no missing codes, throughput up to 1MSPS, fully differential analog inputs with high input impedance to minimize leakage-induced errors, a wide 2.7V-5.25V analog supply range, and an SPI/QSPI/MICROWIRE-compatible serial interface. The internal reference can be overdriven by an external VREF for absolute-accuracy applications. Robust ESD ratings (HBM 4kV, CDM 1.5kV) and a -40C to +85C industrial operating range support demanding field-deployed instrumentation. The ISL26712 uses a charge-redistribution DAC with input sampling on internal capacitors, achieving excellent linearity across temperature and supply variations. The robust sampling front-end tolerates input signals up to the supply rails without linearity degradation, and the simple CS/SHDN-controlled conversion start simplifies MCU/DSP handshaking without complex sequencer overhead. Typical applications include industrial process control loops, weight scales and load-cell digitizers, portable instrumentation, motor-control current sensing, temperature-measurement systems using thermocouples or RTDs, and data acquisition front-ends. The 1MSPS throughput also supports digital oscilloscope front-ends and feedback-loop digitizers inside switching power converters. When designing with this device, place the 0.1uF VREF bypass capacitor as close as possible to the VREF pin and provide a clean ground return separate from noisy digital returns to preserve AC performance. Series resistance between the input source and the +IN/-IN pins should be kept below 50 ohm to avoid conversion-time-induced gain error. This page synthesizes distributor pricing, drop-in alternatives from the same Renesas/Intersil SAR family, and practical layout notes not consolidated in the manufacturer datasheet.

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ISL26712IHZ-T7A

ISL26712IHZ-T7A - 12-Bit 1MSPS SAR ADC | SOT-23-8 | Renesas

The Renesas ISL26712IHZ-T7A is a 12-bit, 1 MSPS successive-approximation-register (SAR) analog-to-digital converter housed in an 8-pin SOT-23 package. It accepts a single fully-differential input, operates from a 2.7 V to 5.25 V analog supply, and draws only 4.6 mW of power at 1 MSPS with a 5 V supply. The converter uses an SPI-compatible serial interface for configuration and data readout, allowing easy connection to microcontrollers, FPGAs, and DSPs in space-constrained designs. What is a SAR ADC? A successive-approximation-register analog-to-digital converter is a sampling ADC architecture that converts an input voltage to a digital code by performing a binary search against a precision internal DAC. SAR ADCs offer deterministic latency, low power consumption, and excellent linearity, making them the architecture of choice for industrial process control, multi-channel data-acquisition systems, battery-powered instrumentation, and precision sensor front-ends. They sit in the hierarchy of: ADC -> data converter -> mixed-signal IC -> semiconductor. Key features of the ISL26712IHZ-T7A include 1 MSPS sampling rate on a single channel, fully-differential input, internal oscillator, low 4.6 mW power at full throughput, and a single 2.7 V to 5.25 V supply. The 8-pin SOT-23 footprint is one of the smallest in this speed/resolution class and is well suited to tight sensor boards. The ISL26712IHZ-T7A shares its silicon with the 10-bit ISL26710 and 8-bit ISL26708 family members, and the -T7A suffix denotes a 250-piece tape-and-reel reel for prototyping and medium-volume assembly. The architecture uses a charge-redistribution DAC and on-chip sample-and-hold, achieving excellent AC and DC performance without an external reference bypass capacitor in most applications. Typical applications include industrial process control loops (4-20 mA inputs read through a resistor), portable medical instrumentation (electrochemical sensors, pulse oximeters), handheld test equipment, factory-automation sensor modules, and consumer audio front-ends. Differential inputs let designers reject common-mode noise picked up by long sensor cables. A key design trade-off to remember is that the ISL26712IHZ-T7A is single-channel and differential-only; systems requiring multiple single-ended channels should add an external analog MUX in front of the ADC. The SOT-23-8 thermal envelope is also small, so heat dissipation in high-temperature environments must be checked against the 4.6 mW dissipation at 1 MSPS with 5 V supply. This page synthesizes distributor pricing, drop-in alternatives, comparison tables and design notes not assembled in the manufacturer datasheet alone, helping engineers shortlist the right 1 MSPS SAR ADC for production.

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ISL267450AIHZ-T

ISL267450AIHZ-T - 12-Bit 1MSPS SAR ADC | SOT-23-8 | Renesas

The Renesas ISL267450AIHZ-T is a 12-bit, 1 MSPS successive-approximation-register (SAR) analog-to-digital converter with one input channel, housed in a compact 8-pin SOT-23-8 package. Operating from a 2.7 V to 5.25 V analog supply, it delivers 12-bit resolution at up to 1 million samples per second, with industrial-grade screening from -40 C to +85 C. The device is drop-in pin-compatible with its 10-bit sibling ISL267440 within the same family. A SAR ADC is a type of data converter that uses a binary-search successive-approximation algorithm against an internal capacitive DAC to digitize an analog input. SAR ADCs occupy the middle ground between slow, high-accuracy delta-sigma converters and fast, lower-resolution flash converters, making them the workhorse for general-purpose industrial, instrumentation, and process-control sampling where both speed and precision matter in a small footprint. The ISL267450AIHZ-T features excellent linearity over supply and temperature variations, an integrated low-drift internal reference option, and a simple SPI-compatible serial interface that minimizes GPIO usage on the host microcontroller. Its SOT-23-8 footprint occupies roughly 9 mm² of board area, allowing it to be placed adjacent to the signal source for short, clean analog traces. The wide 2.7 V to 5.25 V supply range lets it accept a 3.3 V or 5 V rail directly, simplifying power-tree design. Typical applications include multi-channel data-acquisition front ends, sensor-signal digitization for industrial process control, portable instrumentation, and battery-management monitoring subsystems. Its combination of 1 MSPS throughput and 12-bit accuracy makes it a strong fit for sampling current-sense amplifiers, thermocouple-conditioned signals, and strain-gauge bridge outputs. When designing with this part, keep analog and digital ground returns separated and joined at a single point near the IC, and place the decoupling capacitor within 2 mm of the supply pin. This page synthesizes distributor pricing, drop-in alternatives, and practical guidance not found in the manufacturer datasheet alone.

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ISL267450AIHZ-T7A

ISL267450AIHZ-T7A - 12-bit 1MSPS SAR ADC | Renesas | SOT-23-8

The Renesas (formerly Intersil) ISL267450AIHZ-T7A is a 12-bit, 1 MSPS successive-approximation register (SAR) analog-to-digital converter with one pseudo-differential input channel, housed in an 8-pin SOT-23 surface-mount package. The -T7A suffix indicates a 250-piece, 7-inch tape-and-reel packaging option qualified for industrial-temperature (-40C to +85C) operation, with the device delivering 1 Msamples per second conversion throughput from a single +4.75V to +5.25V analog supply and a separate 2.5V reference. What is a SAR ADC? A successive-approximation register analog-to-digital converter is a sampling ADC architecture that performs one conversion by comparing the sampled input against a binary-weighted reference ladder, bit-by-bit, in N clock cycles for N bits of resolution. SAR ADCs sit in the hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. They offer deterministic low-latency conversion (no pipeline delay), excellent DC linearity, and are well-suited for multiplexed data-acquisition, instrumentation, and process-control front-ends where both DC accuracy and clean dynamic performance are required. Key features of the ISL267450AIHZ-T7A include 12-bit no-missing-codes performance, an integrated input track-and-hold, a high-speed SPI-/QSPI-/MICROWIRE-compatible serial interface, and excellent linearity over supply and temperature variations. The pinout is drop-in compatible with the ISL267440 (10-bit version), enabling system-level resolution scaling without PCB rework. The device accepts an external reference up to VDD, allowing designers to optimize dynamic range against the input signal amplitude. The ISL267450AIHZ uses a charge-redistribution SAR core with an auto-zeroing input front end to minimize offset and drift. It includes a serial data-output clock edge that simplifies isolated-barrier or opto-coupled data-acquisition front ends. The single 5V supply rail simplifies system power, while the small SOT-23-8 footprint suits compact, dense PCB layouts where conventional QFN or SOIC ADC packages are too large. Typical applications include industrial process-control analog input modules, multi-channel data-acquisition systems, portable battery-powered instrumentation, optical-sensor front ends, and precision sensor-signal digitization. Its wide operating range and small package also fit medical-monitoring accessory boards and energy-monitoring (energy-harvesting metering) designs. A key design consideration is reference decoupling: place a low-ESR 10 uF tantalum or ceramic bypass directly on the REF pin with a 0.1 uF ceramic in parallel to preserve linearity at 1 MSPS. Route the digital outputs away from the analog input traces to minimize digital-coupling noise; even though the SOT-23 package keeps the part compact, the input signal integrity and reference stability dictate achievable SNR. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the bare manufacturer datasheet, giving engineers a single source for comparing 12-bit, 1 MSPS SAR ADCs from Renesas, Texas Instruments, and Analog Devices in the SOT-23-8 footprint.

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ISL267450AIUZ-T

ISL267450AIUZ-T - 12-Bit 1MSPS SAR ADC | Renesas | MSOP-8

The Renesas ISL267450AIUZ-T is a 12-bit, 1 MSPS successive-approximation-register (SAR) analog-to-digital converter in an 8-pin MSOP package. It features a single-ended analog input, an SPI/QSPI/MICROWIRE-compatible serial interface, and excellent linearity over supply and temperature variations. The part operates from a 2.7 V to 5.25 V analog supply, draws only 4.2 mW at 1 MSPS with a 3 V supply, and is offered in the -40 °C to +85 °C industrial temperature range. A SAR ADC (Successive Approximation Register Analog-to-Digital Converter) is a type of data converter that performs a binary search through successive bit trials to resolve an analog input into a digital code. SAR ADCs sit in the broader hierarchy of data converter -> ADC -> Nyquist-rate converter -> SAR architecture, where they are valued for zero-latency conversion, low power consumption, and deterministic behavior, making them a preferred choice for multiplexed data acquisition and precision industrial sensing. Key features of the ISL267450AIUZ-T include a 12-bit resolution with no missing codes, a single 2.7 V to 5.25 V supply, an SPI/QSPI/MICROWIRE-compatible serial data interface, an integrated track-and-hold amplifier, and very low power dissipation. Per the manufacturer datasheet, the device is drop-in pin-compatible with the AD7450A from Analog Devices, simplifying migration paths for new and existing designs. Architecturally, the ISL267450AIUZ-T combines a charge-redistribution DAC with a high-speed comparator and SAR control logic on a single CMOS die. The internal reference voltage is 2.5 V, while the analog input accepts a 0 V to VREF unipolar range. Power-down current drops to 1 µA between conversions, an important figure for battery-operated instruments that sample on demand. Typical applications include remote industrial sensors, battery-powered instrumentation, portable data loggers, and process control front ends. The combination of 1 MSPS throughput, low power, and small MSOP-8 footprint also makes it attractive for medical patient monitoring and energy harvesting sensor nodes. When designing with this ADC, allocate at least one 10 nF bypass capacitor close to the AVDD pin and route the analog and digital grounds as a star-connected pattern to avoid code-dependent noise coupling. Because it is a 1 MSPS SAR, settle the input amplifier to better than 12-bit accuracy within the acquisition window. This page synthesizes distributor pricing, drop-in compatible alternatives, and engineering design guidance not found in a single source - useful for engineers who need to evaluate, qualify, and second-source the ISL267450AIUZ-T in production designs.

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ISL267450IUZ-T7A

ISL267450IUZ-T7A - 12-Bit 1MSPS SAR ADC, MSOP-8 | Renesas

The Renesas ISL267450IUZ-T7A is a 12-bit, 1MSPS successive-approximation-register (SAR) analog-to-digital converter housed in an 8-pin MSOP package with a differential input span of 2*VREF volts. It operates from a single 2.7V to 5.25V supply, supports a -40C to +85C industrial temperature range, and is specified as a drop-in replacement for the AD7450. A SAR ADC is a successive-approximation-register analog-to-digital converter that uses a binary-search algorithm against an internal DAC to resolve each conversion in N clock cycles for an N-bit output. SAR ADCs occupy the middle ground between flash ADCs (fast, power-hungry, expensive) and sigma-delta ADCs (slow, very high resolution). They are favored in industrial data acquisition, motor control feedback loops, and instrumentation where single-shot latency, deterministic sampling, and moderate sample rates (100kSPS to 10MSPS) are required. The ISL267450IUZ-T7A sits in the 1MSPS class - the workhorse rate for multiplexed multi-channel systems. Key features include 12-bit resolution with no missing codes, 1MSPS throughput, differential input range of 2*VREF, integrated reference, SPI/QSPI/MICROWIRE-compatible serial interface, and low power dissipation (typically under 10mW at 1MSPS). The device maintains excellent linearity over supply and temperature variations, with integral nonlinearity (INL) and differential nonlinearity (DNL) performance that suits precision measurement. The MSOP-8 footprint is pin-compatible with the legacy AD7450 and the AD7450A, simplifying board-level substitution. Typical applications include industrial process control, multi-channel data acquisition systems, portable instrumentation, battery-powered monitoring, and motor control position feedback. The 2.7V to 5.25V supply range covers both 3.3V and 5V analog rails found in mixed-signal embedded designs. When designing with the ISL267450IUZ-T7A, observe the datasheet's input common-mode and reference decoupling guidelines. A 10uF tantalum plus 0.1uF ceramic bypass network close to the supply pin is recommended for low-noise operation. The serial interface timing budget must allow for 13 SCLK cycles per conversion at full throughput. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes that complement - not duplicate - the manufacturer datasheet content for engineers evaluating the ISL267450IUZ-T7A.

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ISL267452IHZ-T7A

ISL267452IHZ-T7A - 12-Bit 555kSPS SAR ADC | Renesas

The Renesas ISL267452IHZ-T7A is a 12-bit, 555 kSPS successive-approximation-register (SAR) analog-to-digital converter in an 8-pin SOT-23 package. Per the Renesas datasheet, the part features a single-ended/fully-differential input, operates from a 2.7 V to 5.25 V analog supply, and is rated for the -40 C to +85 C industrial temperature range. The -T7A suffix denotes a 250-piece tape-and-reel packing option aimed at low-volume prototyping and small production runs. A SAR ADC is a successive-approximation-register analog-to-digital converter. It uses an internal binary-search algorithm with a single comparator and a charge-redistribution DAC to digitize an analog input one code at a time, achieving excellent DC accuracy and very low latency (one conversion cycle) compared to delta-sigma or pipelined converters. SAR ADCs belong to the data-converter family alongside delta-sigma ADCs, pipeline ADCs, and flash ADCs, and they sit inside the broader mixed-signal IC hierarchy under signal conditioning and data acquisition. Key features include 12-bit resolution with no missing codes, 555 kSPS throughput, low power consumption of approximately 5.2 mW at 555 kSPS, an SPI/QSPI/MICROWIRE-compatible serial interface, and true-differential analog inputs that maintain specified accuracy for input signals up to the supply rails. The high-impedance analog input structure minimizes leakage-induced errors in high-impedance source applications such as sensor front-ends. The architecture is based on a charge-redistribution SAR core with on-chip track-and-hold. Renesas states the part is pin-compatible with the legacy AD7452 from Analog Devices, allowing it to serve as a drop-in second-source. The single-supply 2.7 V minimum operation makes it well suited to 3.3 V and 5 V microcontroller-based systems without requiring additional negative rails. Typical applications include industrial process control, portable instrumentation, data acquisition systems, battery-powered monitoring, and optical sensor front-ends. The combination of small SOT-23-8 footprint, 555 kSPS speed, and 12-bit accuracy makes it ideal where board area is constrained and full pipeline ADC speed is not required. When designing with this part, ensure the analog input common-mode voltage stays within the specified range and provide a low-impedance reference (such as a 10 uF ceramic bypass on REF) to avoid conversion noise. The SOT-23-8 thermal envelope is more than adequate for the 5.2 mW dissipation, so no special thermal management is needed. This page synthesizes distributor pricing from DigiKey, Mouser, and Octopart, drop-in and same-package alternatives, and practical design notes for the ISL267452 family that go beyond what is in the manufacturer datasheet alone.

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ISL3172EIUZ

ISL3172EIUZ - 3.3V RS-485/RS-422 Transceiver, 1/8 Unit Load | Renesas

The Renesas ISL3172EIUZ is a 3.3V-powered, ±15kV IEC61000-4-2 ESD-protected single transceiver that meets both the RS-485 and RS-422 standards for balanced communication, presented in an 8-pin MSOP package (UZ suffix). The device integrates one driver and one receiver, supports half-duplex operation, and presents only a 1/8 unit load (125 µA/-100 µA bus current) to the RS-485 bus, allowing up to 256 transceivers on the same network without violating the RS-485 32-unit-load maximum when properly accounted by network designers. An RS-485/RS-422 transceiver is a line driver/receiver IC that converts logic-level UART or GPIO signals into the differential voltage levels required for robust, long-distance, noise-immune serial communication over twisted-pair cabling. Within the broader hierarchy, the ISL3172EIUZ sits under Interface ICs > RS-485/RS-422 Transceivers > Differential Transceivers > Power Management and Signal Conditioning chain, serving as the physical-layer bridge between a microcontroller UART and the differential bus. Key differentiating features include ±15kV ESD protection on the bus pins per the IEC 61000-4-2 contact-discharge model, true 1/8 unit loading for fan-out-intensive multipoint networks, full fail-safe receiver design guaranteeing a logic-high output when the bus is floating, shorted, or idle-terminated, and selectable data rates optimized for either high-speed or slew-rate-limited operation to minimize EMI in motor and process-control cabling. The low quiescent current and 3V-to-3.6V single-supply operation simplify interfacing with 3.3V MCUs without level shifters. Internally the device uses a differential line driver with slew-rate control and a precision differential receiver with hysteresis. The fail-safe architecture combines open-circuit, shorted-bus, and idle-bus detection so that a noise pulse on an idle line cannot corrupt the UART's RX input, a common field-installation failure mode in industrial RS-485 links. Typical applications include factory-floor PLC networks, building-automation daisy chains, long-run utility metering busses, point-of-sale terminal interconnects, and any industrial or instrumentation design where 256-node multipoint RS-485 networking is required. The MSOP-8 footprint also suits space-limited embedded designs. A primary design consideration is bus termination: place a 120 Ω resistor across each cable end only, never mid-bus, and use fail-safe biasing at one location. For EMI, choose the slew-rate-limited variant for cables longer than 10 m to keep rise times inside the RS-485 30%-to-70% duty-cycle specification. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical EMC/fail-safe design notes not consolidated on the manufacturer datasheet alone.

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ISL3172EIUZ-T

ISL3172EIUZ-T - ±15kV ESD, 3.3V RS-485/422 Transceiver | Renesas

The Renesas ISL3172EIUZ-T is a ±15kV IEC61000-4-2 ESD-protected, 3.3V-powered, half-duplex RS-485/RS-422 transceiver with one driver and one receiver channel, housed in an 8-pin MSOP (UZ) package. It operates from a 3.0V to 3.6V supply, supports data rates up to 250 kbps, and consumes a quiescent supply current of roughly 510 µA in active mode. The part presents only a 1/8 unit load on the bus (allowing up to 256 transceivers on the same bus) and integrates ±15 kV HBM ESD protection directly on the bus pins. A transceiver of this category, also called an RS-485/RS-422 line driver/receiver, is an interface IC that translates logic-level UART signals from a microcontroller into differential voltages suitable for transmission over twisted-pair cable, while simultaneously converting incoming differential signals back to logic levels. It sits in the signal-chain hierarchy between the protocol controller (UART) and the physical medium (twisted pair), forming part of the broader Interface IC > Line Driver/Receiver family in the wired-communication domain. This kind of low-power, high-ESD part is the modern workhorse for industrial fieldbus networks, replacing older ±2 kV parts in factory and process-control deployments. Key features of the ISL3172EIUZ-T include ±15 kV HBM ESD protection on the bus pins, true 1/8 unit load (allowing 256 nodes on one bus), full fail-safe receiver outputs (logic-high when the bus is open, shorted, or idle), low bus currents of +125 µA/-100 µA, thermal-shutdown and current-limit protection, and an active-high driver enable pin. The receiver also features a wide common-mode range from -7 V to +12 V, tolerating large ground-potential differences between nodes. Internally, the part uses a 3.3V CMOS driver stage with slew-rate-limited output edges (as marked in the datasheet family — the speed variants differ), reducing EMI and reflections on unterminated cables. The full fail-safe design guarantees a deterministic logic-high output when the differential input voltage VA-B drops below the -50 mV threshold (open, shorted, or terminated-but-idle). Hot-plug circuitry prevents false transitions on the bus when the device is connected to an active network. Typical applications include industrial fieldbus networks (Modbus RTU, Profibus DP segments, BACnet MS/TP), building automation (lighting, HVAC, access-control panels), long-cable point-of-sale and kiosk equipment, solar inverter daisy-chains, and any RS-485 multi-drop network requiring robust ESD immunity in harsh electrical environments. When designing with this part, place 100 nF decoupling close to VCC and add a 1 nF to 10 nF safety capacitor across the bus pins for additional ESD hardening in IEC 61000-4-2 air-discharge events. Terminate the bus with a 120 Ω resistor at each end only when running at the upper data-rate limit; for low-speed (<115 kbps) networks, termination is often unnecessary. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, optimized for engineers selecting a ±15 kV ESD-rated, 3.3V RS-485 transceiver for industrial multi-drop networks.

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ISL32172EFBZ

ISL32172EFBZ - Quad ±16.5kV ESD RS-422 Tx, 16-SOIC | Renesas

The Renesas ISL32172EFBZ is a quad RS-422 transmitter housed in a 16-pin SOIC (0.150 inch, FBZ suffix) package, offering ±16.5 kV IEC61000-4-2 ESD protection on the bus pins and operating from a single 3.0 V to 5.5 V supply. The device provides four independent drivers with tri-state outputs, low output leakage (±10 µA) to minimize bus loading, and a hot-plug feature that keeps drivers disabled during supply ramp-up to prevent contention on the RS-422 bus. An RS-422 transmitter is a line driver that converts a single-ended TTL/CMOS logic input into a differential output pair suitable for balanced twisted-pair transmission. RS-422 transmitters sit within the broader hierarchy of EIA/TIA-422 drivers -> differential line drivers -> serial interface ICs -> interface ICs -> integrated circuits, where they enable robust point-to-multipoint communication over longer distances and at higher data rates than single-ended standards such as RS-232. Key features include ±16.5 kV IEC61000-4-2 ESD protection (air-gap), ±10 µA maximum output leakage current, hot-plug circuitry that holds drivers in high-impedance until VCC stabilizes, and a wide 3.0 V to 5.5 V supply range compatible with 3.3 V and 5 V logic rails. The 4-driver count doubles channel density versus typical dual-driver RS-422 parts, reducing PCB area and BOM count for multi-channel systems. The ISL32172EFBZ uses a differential push-pull output stage optimized for the RS-422 standard's 100 mV to 2.0 V differential swing. Tri-state enable inputs allow bus sharing, while the hot-plug circuit eliminates the spurious data transmission that can occur on unpowered or freshly inserted nodes in live backplane systems. The low output leakage keeps bus load well below the RS-422 32-unit-load budget even when multiple devices are connected. Typical applications include industrial PLC backplanes, telecom base-station control interfaces, point-to-multipoint factory-automation networks, multi-channel motor-control feedback, and any RS-422 point-to-point link requiring high ESD robustness in electrically noisy environments. When designing with this device, place the 0.1 µF VCC decoupling capacitor within 5 mm of the supply pin, and add a 100 nF to 1 µF bulk capacitor near the connector. Maintain 100 Ω termination at the receiver end of the differential pair to suppress reflections on cables longer than 1 meter. Do not leave enable pins floating — tie them high or low through 10 kΩ resistors for deterministic behavior at power-up. This page synthesizes distributor pricing, drop-in alternatives within the same 16-SOIC footprint, and practical design notes not consolidated in the manufacturer datasheet.

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ISL32173EFBZ

ISL32173EFBZ - Quad 16.5kV ESD RS-485/422 Receiver | Renesas

The Renesas ISL32173EFBZ is a quad-channel ±16.5kV ESD-protected RS-485/RS-422 receiver supplied in a 16-lead SOIC (150 mil) package with 0/4 driver/receiver configuration. The device operates from a 3.0V to 5.5V single supply, supports data rates up to 64 Mbps, and is rated for the -40 °C to +125 °C industrial temperature window. Each receiver presents a 1/4 unit load to the RS-485 bus, allowing up to 128 receivers on a single bus segment, which makes the part attractive for dense multipoint industrial networks. A receiver (also referred to as an RS-485/RS-422 receiver) is a differential line-side device that converts a small differential voltage on a twisted-pair bus into a single-ended logic-level signal at a UART or controller. Receivers sit at the bottom of the signal-chain hierarchy: differential transceiver -> line receiver -> interface IC -> semiconductor. Their role in the broader system hierarchy is to provide robust, noise-immune communication between controllers and remote sensors, motor drives, or instrumentation over distances up to 1200 meters. Key features include ±16.5kV IEC 61000-4-2 ESD protection on the bus pins, ±200 µA input current per receiver that guarantees the 1/4 unit-load budget, 25 ns typical propagation delay at 3.3V for high-speed 64 Mbps signalling, and a fail-safe open-circuit and shorted-input design that forces a logic-high output when the bus is idle. The receiver outputs are tri-state capable, and the SOIC-16 (NB) package offers a 0°C/W-to-ambient thermal resistance that simplifies board-level thermal design. Pb-Free finish and 3.0V-to-5.5V VCC flexibility ease migration from 3.3V to 5V logic families. Technically, the ISL32173EFBZ uses a bipolar differential front-end with on-chip IEC 61000-4-2 air-discharge protection structures and integrated hot-plug transient safeguards. The architecture combines a wide common-mode range (±7V and other surfaces) with low pulse skew, allowing the part to decode high-speed PROFIBUS, DMX512, or full-duplex RS-422 data streams without external TVS protection in most cabinet-internal installations. Typical applications include industrial PROFIBUS DP nodes, building-automation RS-485 fieldbus transceivers, process-control remote I/O links, utility metering, motor-control feedback networks, and DMX512 stage-lighting receivers. The 64 Mbps data rate also suits high-speed RS-422 point-to-point links in factory automation. When designing with this part, place 100 nF decoupling capacitors within one inch of the VCC lead and observe the bus-pin layout guidance in the Renesas application note for IEC 61000-4-2 protection structures. Verify that the chosen twisted pair maintains the 100 Ω characteristic impedance specified for high-speed data-rate variants of the ISL3217x family. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving an engineer a complete picture of the ISL32173EFBZ before committing it to a BOM.

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ISL3232EIRZ

ISL3232EIRZ - ±15kV ESD RS-232 Transceiver, 2Tx/2Rx | Renesas

The Renesas ISL3232EIRZ is a 2-driver/2-receiver RS-232 transceiver housed in a 16-lead QFN (5x5 mm) package, operating from a single 2.7V to 5.5V supply. Per the manufacturer datasheet, it delivers ±15kV IEC61000-4-2 ESD protection on the RS-232 pins, draws a 150 nA supply current, and supports data rates up to 250 kbps. The on-chip charge pump uses small 0.1 µF capacitors to generate the ±6 V RS-232 levels directly from the VCC rail. An RS-232 transceiver is a line driver/receiver pair that converts TTL/CMOS logic levels (0/VCC) to the bipolar ±5 V to ±15 V signals defined by the EIA/TIA-232 and V.28/V.24 standards, and back again. It belongs to the interface IC family, sitting in the system hierarchy between a UART and a physical DB9 connector, enabling reliable point-to-point serial communication across cables with strong noise immunity. Key features of the ISL3232EIRZ include 2 transmitters and 2 receivers (2Tx/2Rx), guaranteed RS-232 compliance even at VCC = 3.0 V, a low 150 nA supply current that suits battery-powered products, and a wide industrial operating temperature range from -40 °C to +85 °C. The QFN-16 (5x5) package provides a compact footprint and good thermal dissipation for handheld equipment. Technically, the device integrates a regulated dual charge pump, four low-dropout RS-232 drivers with ±15 kV ESD diodes on every RS-232 pin, and two RS-232 receivers with 5 kV HBM tolerance. This architecture eliminates the legacy ±12 V supply rail and lets designers run RS-232 directly from a single lithium-ion cell, 3.3 V logic rail, or 5 V system rail. Typical applications include PDAs, palmtops, hand-held data terminals, point-of-sale (POS) terminals, industrial HMIs, GPS modules, and any battery-powered product that needs a DB9 serial port. The combination of low quiescent current, robust ESD, and 250 kbps speed is also well suited for embedded diagnostic ports and firmware-update interfaces. When designing with this part, place the four 0.1 µF charge-pump capacitors as close as possible to pins C1+, C1-, C2+, and V+ to minimise ripple. Add a 1 µF bulk capacitor on VCC and reserve a series ferrite bead on the RS-232 lines for additional conducted-noise immunity in industrial environments. This page synthesises distributor pricing, drop-in alternatives and practical design notes not found on the manufacturer datasheet alone, giving an engineer a single decision-ready reference for RS-232 port implementation.

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ISL32455EIUZ-T

ISL32455EIUZ-T - ±60V Fault Protected RS-485/RS-422 Transceiver | Renesas

The Renesas ISL32455EIUZ-T is a ±60V fault-protected, 3.3V to 5V powered RS-485/RS-422 differential transceiver with cable invert and ±15kV ESD protection, housed in an 8-pin MSOP (UZ) package. The device delivers 1 Mbps data rate across a half-duplex (1/1) topology, supports ±20V extended common-mode range, and is qualified for the industrial -40°C to +85°C temperature range. Tape-and-reel packaging supports high-volume assembly. An RS-485/RS-422 transceiver is a differential line driver/receiver IC used for balanced multipoint or point-to-point communication over twisted-pair cabling, where robust noise immunity, long cable reach (typically up to 1200 m), and multi-drop bus capability are required. As part of the broader Interface IC > Driver/Receiver family, RS-485 transceivers are the de-facto standard for industrial fieldbus, building automation, motor control, and any application where signals must traverse electrically noisy environments or span tens to hundreds of metres. Key differentiating specifications include ±60V overvoltage fault protection on the bus pins (driver outputs and receiver inputs), ±20V common-mode range that exceeds the TIA/EIA-485 minimum, ±15kV IEC 61000-4-2 ESD strike tolerance on the bus pins, and 1/8 unit load allowing up to 256 transceivers on a single bus. The cable-invert pin reverses the polarity of the differential driver outputs, simplifying field wiring fixes without board rework. Logic-side inputs are 3.3V/5V tolerant for direct MCU/FPGA interfacing. The ISL32455E architecture combines a precision differential line driver, a wide-CMR differential receiver with hysteresis, internal ±60V TVS-like protection on the bus pins, and ESD clamp structures on both bus and logic pins. Hot-plug circuitry prevents latch-up and bus glitches when the device is inserted into a live bus, while a thermal-shutdown block protects the IC during sustained short-circuit events on the bus. Current-limiting on the driver outputs protects against wiring faults. Typical applications include factory automation fieldbus (Modbus, Profibus), building automation (BACnet, LonWorks), solar inverter daisy-chains, motor drive encoder interfaces, and any industrial cable link exposed to large fault voltages from cross-wiring, ESD events, or switching transients. The half-duplex form factor is ideal where a single twisted pair carries both transmit and receive data. When designing with this part, ensure the cable-invert pin is tied to a defined logic level (do not float) and that the bus is terminated at both ends with 120 Ω matching the cable characteristic impedance. Adequate PCB layout separation between the bus pins and sensitive analog traces is recommended to exploit the -15 kV ESD rating. The ISL32455EIUZ-T shares the ISL3245xE family footprint and pinout, enabling PCB reuse across the 50E/52E/53E/55E/57E/58E/59E variants. This page synthesises distributor pricing, family-level cross-reference data, and practical bus-design notes not consolidated in the manufacturer datasheet.

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ISL32602EFUZ

ISL32602EFUZ - 1.8V-3.3V Micro-Power RS-485/422 Transceiver | Renesas

The Renesas (formerly Intersil) ISL32602EFUZ is a 1.8V to 3.3V micro-power, ±15kV IEC61000 ESD-protected, slew-rate-limited RS-485/RS-422 transceiver housed in a 10-pin MSOP package. The device supports half-duplex (ISL32602E family) communication up to 128 kbps and integrates a single transmitter and single receiver on chip. It carries a -40°C to +125°C industrial operating temperature range suitable for harsh environments. A RS-485/RS-422 transceiver is a physical-layer interface IC that converts a single-ended UART signal into balanced differential signals suitable for transmission over twisted-pair cable. RS-485 supports multi-drop buses up to 32 unit loads over distances up to 1200 m; RS-422 is a similar but point-to-point-only standard. The 'slew-rate-limited' qualifier means the driver's output edge rate is intentionally slowed, which reduces EMI and reflections on unterminated or improperly terminated cables. This places the ISL32602EFUZ in the signal-conditioning / interface-IC tier of the broader power-management and connectivity stack inside industrial sensor links, building automation backbones, and battery-powered telemetry nodes. Key features include a wide supply range of 1.8V to 3.3V (compatible with low-voltage microcontrollers running directly off single-cell Li-ion or two-AA chemistries), ±15kV IEC61000-4-2 ESD protection on the bus pins, ultra-low 100µA quiescent current (Tx and Rx enabled), and a 1/8 unit-load receiver input impedance allowing up to 256 transceivers on the bus. The device also features a current-limited transmitter and thermal-shutdown protection. The IC is fabricated on a CMOS process that integrates a differential line driver, a differential line receiver, and internal bus-protection structures. The 1/8 unit-load receiver allows 8× the legacy RS-485 32-device limit, enabling star and multi-drop topologies in building-automation and lighting networks where many nodes share a single twisted pair. Bus pins survive ±15kV air-gap and ±8kV contact IEC61000 strikes without latch-up, removing the need for external TVS protection in many applications. Typical applications include industrial field-bus networks, building-automation gateways, HVAC controllers, security-camera RS-485 control channels, and battery-powered remote sensor nodes. The wide supply range allows direct connection to 1.8V MCUs without level shifters, simplifying BOM and reducing quiescent drain in solar-powered remote nodes. Design consideration: place a 100nF decoupling capacitor within 3 mm of the VCC pin, and add a 1kΩ fail-safe bias resistor network (pull-up on the non-inverting line, pull-down on the inverting line) at the master end of the bus to guarantee a defined idle state when no driver is active. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving an engineer a single reference for second-source decisions on the ISL32602E family.

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ISL32614EFHZ-T

ISL32614EFHZ-T - 1.8V RS-485/422 Driver ESD | Renesas

The Renesas ISL32614EFHZ-T is a single-channel RS-485/RS-422 differential line driver operating from a 1.8V to 3.6V supply in a 6-pin SOT-23 package, offering +/-16.5kV HBM ESD protection (7kV IEC61000-4-2 contact) and operation to +125C. An RS-485/RS-422 transmitter is a differential line driver that converts single-ended logic (TTL/CMOS) signals into a balanced differential pair (Y/Z outputs) for transmission over twisted-pair buses. It sits within the broader hierarchy of interface ICs -> transceivers/drivers -> differential serial communication, governed by the TIA/EIA-485 standard. Because drivers present a defined load to the shared bus, their input impedance determines how many nodes a multi-drop network can support. The defining feature of the ISL32614E is its very low bus current of +/-40uA, presenting less than 1/8 of a unit load to the bus. This allows more than 256 transmitters on the network without violating the RS-485 specification's 32 unit-load maximum, making it exceptional for large node-count networks. The +/-16.5kV HBM ESD rating on bus pins dramatically improves field reliability in electrically harsh environments. Operating from a nominal 1.8V rail, the device matches modern low-voltage microcontroller I/O levels directly, removing the need for level shifting or a separate 3.3V/5V supply. The F-grade temperature rating supports -40C to +125C operation for industrial and automotive-adjacent environments. The compact SOT-23-6 (HZ) package minimizes PCB area in dense nodes. Typical applications include building automation and BACnet MS/TP networks, industrial fieldbus segments, battery-powered telemetry nodes, and long-haul differential links between low-voltage MCUs and remote I/O. For design, ensure fail-safe biasing resistors on the bus since this part is a driver-only solution - a separate receiver (e.g., ISL32611E) is needed for full-duplex or listen capability. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ISL32743EIBZ

ISL32743EIBZ - Isolated 3.3V 40Mbps RS-485 Transceiver SOIC-16 | Renesas

The Renesas ISL32743EIBZ is a galvanically isolated, high-speed differential bus transceiver designed for bidirectional data communication on balanced transmission lines such as RS-485. The half-duplex device integrates a single driver and single receiver in a 16-pin SOICW wide-body package with 8 mm of true creepage distance. It supports data rates up to 40 Mbps and operates from a 3.3 V supply on the logic side. An RS-485 transceiver is a physical-layer interface IC that converts between a microcontroller's TTL/CMOS logic and the differential voltage levels required for robust, long-distance, multi-drop communication over twisted-pair cabling. Galvanic isolation adds a high-voltage barrier so the controller side and the field-bus side share no galvanic path, protecting low-voltage logic from ground loops, surge transients, and large common-mode voltages commonly found in industrial automation, motor drive, and substation environments. Key features of the ISL32743EIBZ include integrated GMR (Giant Magnetoresistance) isolation rather than the more common transformer or optocoupler barrier, a unique ceramic/polymer composite isolation barrier, full ±15 kV ESD protection on the bus pins per HBM, and on-chip thermal shutdown with current-limited drivers. The wide SOICW package delivers reinforced 6 kV VDE-rated isolation and UL 1577 recognition, eliminating the need for a discrete isolated DC-DC bias supply on the bus side. The device uses Renesas' GMR-based isolation technology to achieve the same reinforced isolation as an optocoupler or transformer while shrinking the IC footprint and removing the external isolator components. Because the transceiver integrates its own isolated power channel through the on-package barrier, the system designer does not need a separate isolated DC-DC converter to power the bus-side circuitry, simplifying BOM and reducing PCB area. Typical applications include isolated RS-485 nodes in factory automation, PROFIBUS / MODBUS fieldbus segments, building automation gateways, solar inverter communications, and any node requiring up to 6 kV reinforced isolation between the host MCU and a long cable run. The 40 Mbps data rate also supports high-speed motion-control and encoder feedback links. When designing with this part, observe the 8 mm creepage/clearance requirement by keeping all PCB traces under the package body free of copper. The logic-side supply (VDDL) is typically 3.3 V; the bus-side supply is generated internally across the isolation barrier. Thermal performance is adequate for the half-duplex 16-SOICW package without additional heatsinking at industrial temperature ranges. This page synthesizes distributor pricing, drop-in alternatives within the same SOICW-16 footprint, and practical design notes on creepage, bus termination, and isolation barriers that are not aggregated in the manufacturer datasheet alone.

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Productos (39.000+)

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ISL26329FVZ-T - 12-bit 250kSPS SAR ADC 8-Ch | Renesas

ISL26708IHZ-T - 8-Bit 1MSPS SAR ADC SOT-23-8 | Renesas

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ISL26708IRTZ-T7A - 8-Bit 1MSPS SAR ADC, 8-TDFN | Renesas

ISL2671286IBZ-T - 12-Bit 20kSPS SAR ADC | Renesas

ISL26712IHZ-T - 12-bit 1MSPS SAR ADC | Renesas | SOT-23-8

ISL26712IHZ-T7A - 12-Bit 1MSPS SAR ADC | SOT-23-8 | Renesas

ISL267450AIHZ-T - 12-Bit 1MSPS SAR ADC | SOT-23-8 | Renesas

ISL267450AIHZ-T7A - 12-bit 1MSPS SAR ADC | Renesas | SOT-23-8

ISL267450AIUZ-T - 12-Bit 1MSPS SAR ADC | Renesas | MSOP-8

ISL267450IUZ-T7A - 12-Bit 1MSPS SAR ADC, MSOP-8 | Renesas

ISL267452IHZ-T7A - 12-Bit 555kSPS SAR ADC | Renesas

ISL3172EIUZ - 3.3V RS-485/RS-422 Transceiver, 1/8 Unit Load | Renesas

ISL3172EIUZ-T - ±15kV ESD, 3.3V RS-485/422 Transceiver | Renesas

ISL32172EFBZ - Quad ±16.5kV ESD RS-422 Tx, 16-SOIC | Renesas

ISL32173EFBZ - Quad 16.5kV ESD RS-485/422 Receiver | Renesas

ISL3232EIRZ - ±15kV ESD RS-232 Transceiver, 2Tx/2Rx | Renesas

ISL32455EIUZ-T - ±60V Fault Protected RS-485/RS-422 Transceiver | Renesas

ISL32602EFUZ - 1.8V-3.3V Micro-Power RS-485/422 Transceiver | Renesas

ISL32614EFHZ-T - 1.8V RS-485/422 Driver ESD | Renesas

ISL32743EIBZ - Isolated 3.3V 40Mbps RS-485 Transceiver SOIC-16 | Renesas