ADC/DAC
مصنوعات (3,100+)
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
ISLA212P20IRZ - 12-Bit 200MSPS SAR ADC, 72-QFN | Renesas
The Renesas (formerly Intersil) ISLA212P20IRZ is a 12-bit, 200 MSPS successive-approximation-register (SAR) analog-to-digital converter that delivers high dynamic performance at low power. It is part of the pin-compatible ISLA212P family built on Intersil's proprietary FemtoCharge™ technology on a standard CMOS process, allowing sampling rates up to 250 MSPS, 200 MSPS, and 130 MSPS variants from a single 72-contact QFN (10 mm x 10 mm) footprint with an exposed thermal paddle. What is a SAR ADC? A successive-approximation-register analog-to-digital converter is a sampling converter that uses a binary-search algorithm against a precision DAC to resolve the input voltage one bit per clock cycle. SAR ADCs sit in the data-converter hierarchy as ADC -> Nyquist/oversampling ADC -> mixed-signal IC -> semiconductor. They offer excellent linearity, deterministic latency, and low power compared to flash or pipeline converters at moderate sample rates, making them well-suited to instrumentation, communications baseband, and wideband test equipment. Key headline specifications of the ISLA212P20IRZ include 12-bit resolution, 200 MSPS sampling rate, LVDS/CMOS-selectable digital outputs, SPI configuration port, and -40 °C to +85 °C industrial operating range. The device supports both single-data-rate (full-width SDR) and double-data-rate (half-width DDR) output modes, giving system designers flexibility for FPGA, ASIC, or DSP capture. A 72-contact QFN package with an exposed paddle supplies a low thermal-resistance path for high-clock full-rate operation. Architecturally, the part uses FemtoCharge™ switched-capacitor input sampling and an internal high-precision reference, with optional external reference support. Its pipeline-style latency is deterministic and pipelined-friendly, simplifying FPGA capture at multi-hundred-megasample rates. Gain, offset, and output timing are adjustable through the SPI port, supporting per-channel calibration in multi-board systems. Typical applications for the ISLA212P20IRZ include wideband test and measurement instruments, radar IF/baseband digitizers, communications receiver baseband I/Q capture, medical imaging front-ends, and high-channel-count data-acquisition systems. The combination of 12-bit resolution, 200 MSPS throughput, and low power suits portable and ruggedized platforms where thermal density must be controlled. Designers should provide adequate ground and decoupling on the analog and digital rails, follow the exposed-paddle soldering recommendations (see manufacturer application layout), and verify SPI configuration timing during bring-up. When migrating between family members, no PCB rework is required. This page synthesizes distributor pricing, validated drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet header alone.
ISLA214P12IRZ - 14-Bit 125MSPS SAR ADC | Renesas Electronics
The Renesas Electronics (formerly Intersil) ISLA214P12IRZ is a 14-bit, 125 MSPS successive-approximation-register (SAR) analog-to-digital converter delivering very high dynamic range and low power consumption, packaged in a 72-pin QFN (10x10 mm). The part offers 1 differential input channel with unbuffered (switched-capacitor) analog inputs and is part of a pin-compatible family of 12- to 16-bit ADCs with sample rates from 125 MSPS to 500 MSPS, allowing a single PCB layout to migrate across resolution and speed grades. A SAR ADC is a type of analog-to-digital converter that uses a binary-search algorithm implemented with a capacitive DAC and a high-speed comparator to resolve each conversion in N clock cycles for N-bit resolution. SAR ADCs are valued for their deterministic latency, single-shot accuracy, and excellent dynamic performance, and they sit at the leaf of the broader data-converter hierarchy: SAR ADC -> A/D converter -> data acquisition IC -> signal chain -> mixed-signal semiconductor. The ISLA214P12 uses a high-performance, low-power core that is well suited for instrumentation, communications and imaging front ends where both speed and DC accuracy matter. Key differentiating features include 125 MSPS maximum sampling rate, 14-bit resolution, 1.8 V/3.3 V supply operation, LVDS/LVCMOS-compatible digital outputs, and an internal reference. The 72-QFN (10x10) package provides a low thermal-resistance path and is footprint-compatible with the wider ISLA214P/ISLA216P/ISLA214S/ISLA216S family, so a single PCB layout can be reused across multiple performance tiers. The device also integrates an input common-mode clamp and a self-calibrating background circuit that maintains DC accuracy over temperature. The pin-compatible family approach means a system designed around the ISLA214P12IRZ can be re-populated with ISLA214P25, ISLA214P50 or higher-resolution members (ISLA216P25/ISLA216P50) when additional sample rate or resolution is required, with no PCB changes. This is particularly valuable for multi-product platforms where one design must address multiple market tiers. Typical applications include communications test equipment, radar and signal-intelligence front ends, medical imaging (ultrasound beamformers), high-speed data acquisition cards, and industrial imaging. Designers favor the ISLA214P12IRZ when very high dynamic range, low latency and pin-compatible scalability across the ISLA214P/ISLA216P family are required within a 72-QFN footprint. When designing with this converter, pay close attention to the analog-input network: a wide-band, low-distortion differential driver (such as the ISL552xx or ADA4937 family) must present the proper common-mode voltage and source impedance to the unbuffered switched-capacitor inputs. Decouple each supply pin individually with 100 nF ceramic capacitors placed as close as possible to the package, and provide a solid ground plane under the exposed pad to minimize digital switching noise coupling into the analog front end. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and practical design notes (clock, input network, decoupling, exposed-pad soldering) not found in a single place in the manufacturer datasheet, giving engineers a faster starting point for ISLA214P12IRZ-based designs.
ISLA214P25IRZ - 14-Bit 250MSPS ADC, 72-QFN | Renesas
The Renesas ISLA214P25IRZ is a 14-bit, 250 MSPS low-power high-performance analog-to-digital converter (ADC) with one input channel, housed in a 72-contact QFN (10x10 mm) package with an exposed thermal paddle. It uses Renesas' proprietary FemtoCharge™ switched-capacitor technology on a standard CMOS process to deliver high dynamic performance at sample rates up to 250 MSPS, and operates from a single 1.8 V supply over the -40 °C to +85 °C industrial temperature range. An ADC (analog-to-digital converter) is a data-conversion integrated circuit that quantizes a continuous-time analog input signal into a discrete digital code at a specified sampling rate. High-speed pipeline ADCs such as the ISLA214P25IRZ sit in the signal chain between the analog front end (amplifier / filter / driver) and a downstream FPGA, ASIC, or DSP, where they convert wideband IF or baseband signals into digital words. The ISLA214P25IRZ occupies the "ADC -> data converter IC -> data acquisition -> signal chain IC" hypernym in the power-management and mixed-signal taxonomy and is widely used in communications, defense electronics, and test-and-meeasurement equipment. Key specifications include 14-bit resolution, 250 MSPS maximum sampling rate, SPI/serial configuration interface, selectable LVDS or CMOS digital outputs configurable as full-width single-data-rate (SDR) or half-width double-data-rate (DDR), and a 72-lead QFN-EP (10x10 mm) package. The converter is part of a pin-compatible 12-bit to 16-bit Renesas FemtoCharge™ ADC family that scales from 130 MSPS to 500 MSPS, simplifying board-level migration. A serial peripheral interface (SPI) port provides extensive configurability, including fine control of gain and offset. Architecturally, the part uses a multi-stage pipeline core that is interleaved with on-chip calibration logic; FemtoCharge™ technology reduces the reset-noise kick usually associated with switched-capacitor gain stages, improving SFDR and SNR at high input frequencies. Digital output data can be routed through a flexible LVDS/CMOS interface, allowing the same device to drive an FPGA in SDR (1 data line per channel) or DDR (½-width) mode, which simplifies board-level data capture at multi-hundred-megasample rates. Typical applications include communications receivers (LTE, WiMAX, multi-carrier GSM/EDGE base stations), radar and EW systems, medical imaging, high-speed data acquisition cards, and bench-top instrumentation. The wide input bandwidth and configurable digital interface make it equally suited to single-channel IF sampling and to multi-channel diversity receiver sub-systems. According to the Renesas datasheet FN6510, the device is part of a larger pin-compatible family so customers can re-use the same PCB footprint to scale resolution (12/14/16 bit) and sample rate (130/200/250 MSPS) as system requirements evolve. A key design consideration is power-supply decoupling and LVDS-termination strategy: each LVDS output pair must be DC-terminated with a 100 Ω differential resistor at the FPGA receiver, and a low-noise LDO (e.g. a TPS7A47-class part) should power the AVDD rail. Designers should also confirm that the FPGA IDDR/ISERDES block supports the selected SDR/DDR mode and that the input drive amplifier meets the part's 1.5 V p-p full-scale input requirement with adequate linearity at the highest input frequency of interest. This page synthesizes distributor pricing, pin-compatible Renesas FemtoCharge™ family alternatives, and practical layout and SPI-programming design notes not found in the manufacturer datasheet alone.
ISLA216S13IR1Z - 16-Bit 130MSPS JESD204B ADC | Renesas
The Renesas ISLA216S13IR1Z is a 16-bit, 130 MSPS analog-to-digital converter with a JESD204B-compliant high-speed serial output, housed in a 48-pin QFN (7x7 mm) package. Designed on Intersil's proprietary FemtoCharge technology in a standard CMOS process, this SAR-pipelined ADC delivers low-power, high-performance conversion suitable for communications, instrumentation, and defense signal chains. The serial interface reaches up to 4.375 Gbps per lane and uses two lanes in this 16-bit, single-channel configuration. An analog-to-digital converter (ADC) is an integrated circuit that converts continuous analog signals into discrete digital codes, forming the critical boundary between the analog and digital domains in mixed-signal systems. ADC architectures include SAR (successive approximation register), pipelined, sigma-delta, and flash; the ISLA216S family uses a pipelined architecture with SAR-style backend, which balances high sampling speed with multi-MHz analog input bandwidth. The 16-bit class sits at the upper end of resolution for high-speed converters, enabling very low quantization noise floor. Key features of the ISLA216S13IR1Z include 130 MSPS sampling rate (with up to 250 MSPS and 500 MSPS speed grades available in the same family), 16-bit resolution, 1 input channel, JESD204B serial output with deterministic latency, and pin compatibility with 12-bit and 14-bit family members (ISLA212S, ISLA214S). The device supports configurable packing modes and offers multi-chip time alignment via the JESD204B subclass-1 features. Operating temperature spans -40 C to +85 C (industrial grade), with the R1Z suffix denoting the tape-and-reel packaging option. From a digital-system perspective, the JESD204B serial link eliminates the wide parallel CMOS/ LVDS data bus that traditionally constrained high-speed ADC board layout, instead using a serialized link that greatly reduces board-routing density and simplifies FPGA pin-count planning. The FemtoCharge architecture minimizes sample-and-hold charge injection and reduces aperture uncertainty, resulting in excellent SNR at high input frequencies - critical in radar, broadband communications, and digital oscilloscope front-ends. Typical applications include multi-carrier GSM/UMTS/LTE base-station receivers, cable-infrastructure digitization, radar and electronic-warfare signal capture, test and measurement instrumentation, and medical imaging front-ends such as ultrasound beamformers. The 130 MSPS grade is well suited to intermediate IF sampling in software-defined radio (SDR) platforms and to high-channel-count phased-array antenna systems where deterministic latency is mandatory. When integrating the ISLA216S13IR1Z into a PCB, allocate a continuous ground plane beneath the exposed pad, route the JESD204B lanes as 100-ohm differential pairs with length matching to within a few millimeters, and keep the analog input traces short and surrounded by ground. Decouple AVDD and DVDD rails independently at the pins with low-ESL ceramic capacitors. Verify the FPGA's JESD204B IP core supports the chosen lane count and lane rate before final BOM lock.
ISLA216S25IR1Z - 16-Bit 250MSPS JESD204B ADC | Renesas
The Renesas (formerly Intersil) ISLA216S25IR1Z is a 16-bit, 250 MSPS, high-speed analog-to-digital converter with a JESD204B-compliant high-speed serial output, fabricated in a standard CMOS process using Renesas FemtoCharge™ technology. Housed in a 48-pin LQFN (Hawk) package, it delivers state-of-the-art dynamic performance for demanding wideband signal-chain applications. What is a high-speed JESD204B ADC? A high-speed analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples a continuous-time analog signal at high rates (tens to hundreds of MSPS) and outputs a discrete digital word for downstream processing. When the data interface uses the JESD204B standard (JEDEC standard for serial data conversion interfaces), the converter streams its digital output over a small number of high-speed serial lanes, eliminating parallel LVDS routing and reducing PCB complexity. The ISLA216S25 family belongs to the broader category of pipeline ADCs (successive pipeline architecture) within the data-converter market segment. Key headline specifications include 16-bit resolution, 250 MSPS maximum sample rate, JESD204B serial interface, low-latency digital processing, integrated input buffer / output drive, and configurable lane counts. The FemtoCharge™ architecture minimises aperture uncertainty and provides clean spurious-free dynamic range (SFDR) when driven by demanding wideband IFs. Typical applications for this ADC family include digital oscilloscopes, wideband communication test equipment, software-defined radio (SDR) platforms, radar and lidar receivers, medical imaging front-ends (ultrasound beamforming), and spectrum analysers. The serial JESD204B interface makes it well-suited to FPGA-based processing pipelines such as those built on Xilinx Kintex/Vertex and Intel/Altera Stratix families. A critical design consideration when using this part is matched impedance routing of the JESD204B serial lanes; reference clock jitter at sub-picosecond levels is required to realise 16-bit noise floor performance. The internal input bandgap and reference structure are calibrated at the factory, so designers only need to provide clean low-noise analog and clock supplies.
ISLA222P20IRZ - Dual 12-Bit 200MSPS ADC, 72-QFN | Renesas
The Renesas (formerly Intersil) ISLA222P20IRZ is a dual-channel 12-bit analog-to-digital converter from the ISLA222P family, supporting a maximum sampling rate of 200 MSPS and housed in a 72-pin QFN (10x10 mm) package with an exposed thermal pad. The device implements Intersil's proprietary FemtoCharge™ technology on a standard CMOS process, enabling high dynamic performance with low power dissipation suitable for communications, medical imaging, and defense signal-chain applications. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts a continuous-time analog voltage into a discrete digital code, acting as the critical bridge between the analog physical world and a digital processor. ADCs are grouped by architecture (SAR, pipeline, sigma-delta, flash) and resolution/speed trade-off; high-speed pipeline ADCs like the ISLA222P20 target the bandwidth tier where flash is impractical and SAR cannot keep pace, sitting within the broader mixed-signal and data-converter IC hierarchy. Key features of the ISLA222P20IRZ include 12-bit resolution across two simultaneous sampling channels, 200 MSPS maximum conversion rate, parallel CMOS or LVDS digital output interfaces, and an SPI-configurable port for gain, offset, and mode control. The FemtoCharge™ switched-capacitor architecture delivers excellent SNR/SFDR for IF-sampling receivers, while the integrated input buffer and on-chip reference simplify board-level design. The ISLA222P is part of a pin-compatible portfolio spanning 12-bit and 14-bit dual ADCs with sample rates from 130 MSPS to 250 MSPS, allowing designers to scale performance without changing the PCB footprint. Internal calibration logic maintains performance across temperature, and the exposed-pad QFN package provides low thermal resistance for the moderate power dissipation typical of the family's operating point. Typical applications include cellular base-station receive paths, radar and EW digitizers, portable instrumentation, medical ultrasound receivers, and high-speed data acquisition systems. Designers choose the ISLA222P20IRZ when they require dual simultaneous sampling at IF with low spurious content in a compact surface-mount footprint. When designing with this device, ensure the analog inputs are AC-coupled or DC-biased within the common-mode range specified in the datasheet, and provide low-impedance ground returns on the exposed pad for thermal and electrical performance. Use the SPI port to optimize gain and offset for each channel independently. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the ISLA222P pin-compatible portfolio, and practical design notes not consolidated in the manufacturer datasheet, giving engineers a faster path to sourcing and second-source qualification.
ISLA222S12IR1Z - Dual 12-bit 125 MSPS JESD204B ADC | Renesas
The Renesas ISLA222S12IR1Z is a dual-channel, 12-bit, 125 MSPS analog-to-digital converter with a JESD204B-compliant high-speed serial output, housed in a 48-pin QFN-EP package. The ISLA222S family is built on Renesas FemtoCharge technology on a standard CMOS process, and shares the same analog core as the proven ISLA222P series. The 'IR1Z' suffix denotes the industrial temperature grade and 48-pin QFN-EP tray packaging. An ADC (analog-to-digital converter) is a data converter integrated circuit that samples continuous analog signals and quantizes them into discrete digital codes for downstream processing by FPGAs, ASICs, DSPs, or microcontrollers. High-speed dual-channel ADCs sit at the front end of digital signal chains in communications, defense, and test equipment, where they convert IF or baseband analog signals into digital streams. Within the data-converter taxonomy, the ISLA222S12IR1Z is a pipelined ADC -> successive-approximation/pipelined hybrid -> data converter -> signal-chain IC -> semiconductor. Key features include 12-bit resolution, 125 MSPS maximum sampling rate per channel, two simultaneously-sampling channels, a JESD204B subclass 0/1/2 serial output interface, integrated input buffer, internal sample-and-hold, and a typical SNR of 69.5 dBFS at 70 MHz input. The QFN-EP package offers an exposed thermal pad with low thermal resistance suitable for continuous-conversion industrial environments. The ISLA222S12IR1Z uses FemtoCharge switched-capacitor pipeline architecture, which reduces the number of comparators per stage relative to conventional flash front-ends, cutting power consumption while preserving linearity. Internal calibration corrects gain and offset drift across temperature, supporting the industrial -40C to +85C operating range. Typical applications include radar and phased-array signal chains, software-defined radio (SDR) receivers, medical imaging front-ends, communications test equipment, and high-speed data acquisition systems. The JESD204B serial interface simplifies board routing by replacing parallel LVDS with one or two serialized lanes, reducing FPGA pin count and PCB trace congestion. When designing with this part, follow the JESD204B link-setup procedure in the datasheet: configure the FPGA receiver to detect K28.5 commas, negotiate lane alignment via the SYNC~ signal, and use the SYSREF input for deterministic multi-device synchronization. Decouple AVDD/AVSS with low-ESL 100 nF + 10 uF ceramics adjacent to each pin pair. This page synthesizes distributor pricing, drop-in alternatives from the same ISLA222S pin-compatible family, and practical design notes that complement the manufacturer datasheet.
ISLA222S25IR1Z - Dual 12-Bit 250MSPS JESD204B ADC | Renesas
The Renesas (formerly Intersil) ISLA222S25IR1Z is a low-power, high-performance dual-channel 12-bit analog-to-digital converter supporting sampling rates up to 250 MSPS, packaged in a 48-pin QFN (7x7 mm). It uses the FemtoCharge™ technology on a standard CMOS process and provides JESD204B subclass 1 high-speed serial data output, which simplifies multi-lane synchronization and reduces board-routing complexity in high-channel-count systems. An ADC (analog-to-digital converter) is an integrated circuit that samples continuous analog signals and converts them into discrete digital codes for processing by FPGAs, ASICs, or microprocessors. Within the system hierarchy, the ISLA222S25IR1Z sits in the signal chain between the analog front end (amplifiers, filters, drivers) and the digital processing block; its sampling rate, resolution, and interface protocol determine the achievable instantaneous bandwidth and dynamic range of the receiving system. The JESD204B subclass 1 standard transport layer ensures deterministic latency across multiple converters, which is essential for beamforming, phased-array radar, and multi-channel test instruments where sub-sample timing alignment matters. Key features include dual 12-bit channels at 250 MSPS (200/125 MSPS variants available in the same family), 7.4 effective number of bits at Nyquist, integrated multi-chip synchronization for multi-lane alignment, automatic and power-on calibration for gain and offset, a soft reset pin, and a 1.8 V analog/digital supply with low power consumption. The 48-QFN (7x7) plastic package is RoHS-compliant and uses a heat-spreading exposed pad for thermal management. The FemtoCharge™ switched-capacitor architecture keeps aperture latency small and consistent across temperature, while the on-chip calibration engine continuously trims gain and offset. Together these features yield excellent spurious-free dynamic range and signal-to-noise ratio across the second and third Nyquist zones, supporting direct IF sampling and high-IF telecom designs. Typical applications include multi-channel software-defined radio receivers, phased-array radar and sonar front-ends, medical imaging systems, high-end oscilloscopes and digitizers, communications test equipment, and broadband satellite receivers where dual-channel alignment and deterministic latency are mandatory. When designing with this ADC, route the JESD204B serial lanes with 100-ohm differential impedance and length-match traces within the inter-pair skew budgets defined in the Renesas JESD204B hardware design guide. Decouple AVDD and DVDD pins individually with 1uF and 0.1uF capacitors, and bond the exposed pad to a continuous ground pour to maintain the package thermal resistance. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
KAD2708C-10Q68 - 8-Bit 105MSPS LVCMOS ADC | Renesas
The Renesas KAD2708C-10Q68 is an 8-bit, 105 MSPS single-channel analog-to-digital converter (ADC) with LVCMOS-compatible digital outputs, housed in a 68-pin QFN package with an exposed thermal paddle. It is the lowest-speed member of the pin-compatible KAD2708C/KAD2710C family built on Intersil's proprietary FemtoCharge technology on a standard CMOS process, delivering 49.2 dBFS SNR at fIN = 138 MHz while consuming less than 265 mW from a single 1.8 V supply. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that samples a continuous-time analog waveform and converts each sample into a discrete digital code. Within the broader IC hierarchy, an ADC belongs to data converters, which sit inside the signal chain alongside digital-to-analog converters (DACs), amplifiers, and sensors. High-speed 8-bit ADCs like the KAD2708C family are used to digitize wideband intermediate-frequency (IF) or baseband signals in communications, imaging, and instrumentation systems where sample rates from 100 MSPS to several hundred MSPS are required. Key features include a 105 MSPS maximum conversion rate, LVCMOS output levels that interface directly to ASICs and FPGAs, an over-range indicator for automatic gain control (AGC) loops, and a selectable divide-by-2 input clock divider that simplifies board-level clock generation. The 1.8 V single-supply operation reduces regulator count and power dissipation in portable and dense designs. The 68-lead QFN with exposed paddle provides a low thermal-resistance path, enabling sustained operation across the -40 °C to +85 °C industrial temperature range. Technically, FemtoCharge technology uses a switched-capacitor pipeline architecture that achieves sub-picofarad input capacitance and very low aperture jitter, which is critical for preserving SNR when digitizing high-frequency IF signals. The on-chip input buffer and track-and-hold front end relax external driver requirements, while the internal voltage reference eliminates the need for an external reference IC in most applications. Typical applications include digital oscilloscopes, radar and lidar receivers, ultrasound imaging front ends, communication IF digitizers, and general-purpose high-speed data acquisition. The wide input bandwidth and low power make the part well suited for portable test equipment and embedded signal analyzers where board area and battery life matter. When designing with this device, place the input coupling network as close as possible to the analog input pins and route LVCMOS outputs with matched impedance to avoid skew across the 8-bit bus. The exposed paddle must be soldered to a properly sized ground plane for both electrical grounding and thermal dissipation. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical PCB layout notes not aggregated on any single manufacturer or distributor page.