ADC/DAC
Produk (3.100+)
IDTADC1206S040H-C18 - 12-Bit 40MSPS Flash ADC | Renesas | 44-PQFP
The Renesas (formerly IDT) IDTADC1206S040H-C18 is a 12-bit, single-channel, 40 MSPS flash analog-to-digital converter in a 44-pin PQFP (10x10 mm) surface-mount package. It accepts a differential analog input, provides a parallel digital output, and operates from a single +5 V analog supply with a separate +5 V digital supply. What is a flash ADC? A flash ADC (also called a parallel ADC) is a data-converter architecture that uses one comparator per code level, enabling single-clock-cycle conversion. Flash ADCs sit at the top of the ADC taxonomy (flash > pipelined > successive-approximation > sigma-delta) and deliver the highest sampling rates at the cost of die area and power; the IDTADC1206S040H-C18 belongs to the high-speed data-acquisition IC family used in instrumentation, video digitisation and IF sampling. Key features include 40 MSPS sampling rate, 12-bit resolution, differential analog input, and a 5 V analog / 5 V digital supply pair. The device uses a 1:1 sample-and-hold to ADC front end and a flash conversion core, giving sub-microsecond conversion latency suitable for real-time signal capture. The 44-PQFP package provides 44 peripheral leads on a 10x10 mm body, easing PCB routing for mixed-signal designs that need separate analog and digital grounds. In typical applications the IDTADC1206S040H-C18 is used in industrial automation front-ends, automotive sensor digitisation, video and imaging front-ends, medical instrumentation, and IF/RF baseband digitisation up to ~20 MHz input. The parallel interface integrates directly into FPGAs, ASICs or microcontrollers with external bus support. When designing in this part, treat the analog and digital supplies as independent rails and decouple each with a 100 nF ceramic capacitor close to the package pins. Route the analog input with a controlled-impedance, 50 ohm differential transmission line and provide a low-jitter encode clock to preserve SNR. The 44-PQFP footprint requires thermal relief and generous analog ground pouring around pins 1 and 44 for best noise performance. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found on any single manufacturer or distributor page, giving engineers a one-stop reference for selecting or replacing the IDTADC1206S040H-C18.
IDTADC1206S055H-C1 - 12-Bit 55MSPS Flash ADC | Renesas
The Renesas IDTADC1206S055H-C1 is a 12-bit, 55 MSPS, single-channel flash analog-to-digital converter housed in a 44-pin PQFP (10x10 mm) surface-mount package. It features a differential analog input, a parallel data interface, and an on-chip sample-and-hold front-end, making it suitable for high-speed instrumentation and imaging front-ends. The device is qualified over the -40C to +85C industrial temperature range. A flash ADC (also called a parallel ADC) is a data converter that uses one comparator per code level to perform A/D conversion in a single clock cycle. Flash converters sit at the top of the ADC hierarchy: they are the fastest architecture available, trading power consumption and die area for the shortest possible conversion latency. As a 12-bit flash part, the IDTADC1206S055H-C1 contains 4095 comparators, places this part in the high-speed acquisition tier above successive-approximation (SAR) and pipelined ADCs of the same resolution. Key features of the IDTADC1206S055H-C1 include single 5 V analog supply operation, a 1:1 sample-and-hold to ADC ratio, differential input configuration, and CMOS-compatible parallel output. The 44-PQFP package provides a low-cost plastic platform for moderate-density board layouts, and the industrial temperature range allows deployment in factory-automation and outdoor instrumentation systems. At 55 MSPS the converter can digitize baseband signals up to approximately 25 MHz of Nyquist bandwidth. Designers using this part typically clock the converter with a low-jitter CMOS oscillator, drive the analog input with a high-bandwidth differential amplifier, and capture the 12-bit bus on the rising edge of the next conversion clock. The flash architecture adds wide input bandwidth and minimal pipeline delay compared to pipelined parts of similar speed. Typical applications include medical ultrasound receivers, digital oscilloscope front-ends, IF-sampling communications receivers, CCD and CMOS imaging front-ends, industrial machine-vision systems, and radar signal capture. The differential input simplifies DC-coupled or transformer-coupled front-end designs. When designing with this device, allocate at least one PCB ground plane dedicated to the analog input traces and bypass VDD with both 0.1 uF and 10 uF capacitors placed within 5 mm of the supply pin. The flash topology draws a substantial quiescent current; ensure the host regulator can supply the worst-case IDD before thermal shutdown engages. The 44-PQFP plastic package is not hermetic and should not be specified for aerospace or down-hole environments without a conformal coating plan. This page synthesizes distributor pricing, drop-in same-family alternatives, and PCB design notes drawn from the Renesas datasheet family, not just repeating the front-page specification table.
IDTADC1206S055H-C18 - 12-bit 55 MSPS Flash ADC | 44-PQFP
The Renesas IDTADC1206S055H-C18 is a 12-bit, single-channel, flash-architecture analog-to-digital converter (ADC) sampling at 55 MSPS (mega-samples per second) in a 44-pin PQFP (Plastic Quad Flat Pack) 10x10 mm surface-mount package. The part operates from a single 5 V supply on both the analog and digital rails, features a differential analog input, and uses a parallel CMOS-compatible data interface. The flash architecture delivers single-cycle latency, making this converter well suited to high-speed control loops and video-rate digitisation where pipeline delay is unacceptable. A flash ADC (also called a direct-conversion ADC) uses a bank of 2^N - 1 parallel comparators to resolve an analog input in a single compare-and-encode step. The flash topology is the fastest ADC architecture available because conversion completes in one comparator latch plus encoder propagation delay, but power consumption and die area grow exponentially with resolution. The IDTADC1206S055H-C18 sits at the practical resolution ceiling for pure-flash designs at 12 bits, and is best understood within the taxonomy: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. Key specifications of the IDTADC1206S055H-C18 include 12-bit resolution, 1 analog input channel, 55 MSPS sampling rate, 5 V analog and digital supply, and parallel output data interface. The differential input configuration improves common-mode noise rejection in noisy digital environments. The 44-PQFP (10x10) package provides adequate thermal dissipation for moderate clock rates and supports standard SMT reflow profiles. The flash architecture inherent in the IDTADC1206S055H-C18 makes it well suited to applications such as digital oscilloscope front-ends, radar IF digitisation, video broadcast equipment, and high-speed industrial inspection. The 55 MSPS sampling rate comfortably digitises IF signals up to approximately 25 MHz under Nyquist, while the 12-bit resolution gives 72 dB dynamic range suitable for many instrumentation and imaging tasks. When designing with this ADC, allocate a substantial analog ground plane under the input pins, decouple AVDD and DVDD with separate 100 nF ceramic capacitors as close to the pins as possible, and drive the analog input with a low-impedance differential amplifier terminated for the specified common-mode voltage. The parallel output bus can couple switching noise back into the analog front-end, so route output traces over a continuous digital ground and avoid running them parallel to the input traces.
IDTADC1206S070H-C1 - 12-Bit 70MSPS Flash ADC | Renesas
The Renesas IDTADC1206S070H-C1 is a 12-bit, 70 MSPS flash analog-to-digital converter (ADC) housed in a 44-pin PQFP package. The device targets high-speed data-acquisition front-ends in communications, medical imaging, and instrumentation systems, with a single 5 V analog and 5 V digital supply simplifying board-level power design. A flash ADC is a parallel-architecture data converter that uses 2^N-1 comparators to digitize an analog input in a single clock cycle, producing the fastest conversion latency of any ADC topology. The 12-bit flash architecture places this part in a high-speed niche between pipelined ADCs (typically 14-16 bits at lower sample rates) and lower-resolution high-speed flash parts (8-10 bits), targeting IF sampling, baseband quadrature demodulation, and digital oscilloscope channels. Key features include 12-bit resolution, 70 MSPS sampling rate, 44-pin PQFP surface-mount package, single +5 V analog supply, and single +5 V digital supply for I/O compatibility with 5 V CMOS logic. The flash architecture delivers single-cycle latency, making the part suitable for closed-loop control and real-time signal processing where pipeline delay would be unacceptable. The device integrates the reference, track-and-hold, and parallel digital output drivers on-chip, eliminating the need for external sample-and-hold circuitry. Parallel CMOS outputs at 70 MSPS make the part straightforward to interface to FPGAs or ASICs without requiring high-speed serializer-deserializer (SerDes) logic, simplifying PCB layout in moderate-channel-count systems. Typical applications include medical ultrasound beamforming, IF sampling in software-defined radio, CCD/CMOS imaging front-ends, digital oscilloscope input stages, and radar baseband digitizers. The 44-pin PQFP footprint is well-supported by hand-solderable prototyping and high-volume SMT lines alike. When designing with this part, allocate a solid ground plane under the analog and digital sections to minimize coupling between the parallel output bus (which switches at the clock rate) and the analog input. Keep the analog input trace length matched to the on-chip track-and-hold to preserve aperture accuracy, and decouple each supply pin with a 100 nF ceramic plus a 10 uF bulk capacitor placed within 5 mm of the pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the IDTADC1206S070H-C1 not found in the manufacturer datasheet alone.
IDTADC1206S070H-C18 - 12-Bit 70MSPS Flash ADC | Renesas (IDT)
The Renesas (formerly IDT) IDTADC1206S070H-C18 is a 12-bit, 70 MSPS monolithic flash analog-to-digital converter housed in a 44-pin PQFP package. It combines a high-speed sample-and-hold front-end with a parallel CMOS-compatible digital interface, delivering single-channel conversion of differential analog inputs into 12-bit parallel data. The device targets mid-bandwidth signal acquisition where low latency and wide dynamic range are required. What is a Flash ADC? A Flash ADC is the fastest ADC architecture: it uses 2^N-1 parallel comparators to convert an analog voltage in a single comparator-cycle, producing an N-bit thermometer code that is then encoded to binary in real time. Flash ADCs belong to the family of direct-conversion (Nyquist) data converters, which sit alongside successive-approximation (SAR) and pipeline ADCs in the broader signal-chain IC hierarchy. Their single-cycle latency makes them ideal for oscilloscope front-ends, radar IF digitizers, and high-speed instrumentation. Key features include 12-bit native resolution, 70 MSPS sampling rate, 5 V analog and 5 V digital supply rails, differential analog input, and a single ADC channel. The flash architecture ensures deterministic, low-latency conversion (typically one clock cycle of pipeline delay), and the parallel output bus simplifies FPGA or ASIC capture without requiring a high-speed serial deserializer. The 44-PQFP surface-mount package offers manageable thermal performance for the typical <500 mW dissipation. Typical applications include digital oscilloscope front-ends, IF digitizers in communications receivers, radar signal processing, medical imaging front-ends, and general-purpose high-speed data acquisition cards. The 70 MSPS rate comfortably digitizes IF bandwidths up to ~35 MHz while preserving ENOB suitable for instrumentation-grade measurements. When designing with this device, follow the manufacturer's reference decoupling scheme of 100 nF plus 10 µF ceramic capacitors on each supply pin, and keep analog and digital grounds joined at a single point near the ADC. Maintain controlled-impedance differential traces from the analog driver to the input pins, and avoid routing digital output bus traces beneath the analog input package region to minimize digital-noise coupling.
IDTADC1207S080HW-C2 - 12-Bit 80MSPS Flash ADC | 48-HTQFP
The Renesas (formerly IDT) IDTADC1207S080HW-C2 is a 12-bit resolution, 80 MSPS (mega-samples per second) flash analog-to-digital converter (ADC) housed in a 48-pin HTQFP (7x7 mm) surface-mount package. It integrates a single ADC channel with differential inputs, a track-and-hold (S/H) front-end, parallel data interface, and a single-ended flash conversion architecture. The -C2 ordering suffix denotes the standard commercial/reel-packaging variant supplied on tape and reel for high-volume SMT assembly lines. What is a Flash ADC? A flash ADC is a high-speed analog-to-digital converter architecture that uses a parallel array of 2^N - 1 comparators (where N is the resolution) to convert an analog signal in a single clock cycle. Unlike successive-approximation or sigma-delta ADCs, flash converters achieve the highest sampling rates (often >50 MSPS) at the cost of higher power consumption and larger die area. Flash ADCs are a sub-category of Nyquist-rate ADCs and sit in the broader Data Converter > Analog-to-Digital Converter > Integrated Circuit hierarchy used in mixed-signal and high-speed signal processing systems. Key features include 12-bit native resolution, a single differential analog input channel, parallel CMOS/TTL digital outputs, and reference voltage inputs for setting the full-scale input range. Operating from a standard 3.3V analog supply, the converter is designed for high-speed waveform digitization, video digitization, radar IF sampling, communications demodulation, and instrumentation front-ends where a single sub-microsecond acquisition is required. The IDTADC1207S080HW-C2 uses a fully parallel comparator-based architecture with an integrated sample-and-hold to reduce aperture uncertainty and support up to 80 MSPS conversion rates. The differential input structure improves common-mode noise rejection, which is critical in noisy digital environments where switching transients from surrounding FPGAs and DSPs can couple into the analog front-end. The parallel data bus simplifies downstream interfacing with FPGAs and ASICs, eliminating the latency and clock-multiplication overhead of serial LVDS interfaces. Typical applications include medical ultrasound front-ends, digital oscilloscopes and waveform digitizers, IF sampling for software-defined radio (SDR), radar pulse receivers, and high-speed data acquisition cards for industrial inspection. Designers choose this device when 12-bit resolution at 80 MSPS is sufficient and a parallel (not serial LVDS) output simplifies FPGA capture logic. When designing with this ADC, ensure the analog input network provides the correct common-mode bias and termination for the differential inputs. Decouple the AVDD supply with a 10 uF bulk and 0.1 uF ceramic capacitor close to each supply pin, and keep the analog input traces length-matched and guarded by a continuous ground plane to preserve SNR at the 80 MSPS conversion rate. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes not found in the standalone manufacturer datasheet.
IDTADC1207S080HW-C28 - 12-bit 80 MSPS Flash ADC | Renesas
The Renesas IDTADC1207S080HW-C28 (formerly IDT) is a single-channel 12-bit analog-to-digital converter optimized for direct/ultra-high IF sampling at up to 80 MSPS, housed in a 48-pin TQFP (7x7 mm) package. It supports cellular infrastructure, wireless base stations, optical networking and fixed telecommunication systems where broadband IF digitisation is required. The device combines a pipelined flash front-end with on-chip reference and track-and-hold to deliver 80 MHz analog input bandwidth, 72 dB SNR at 30 MHz input, and 450 mW typical power dissipation from a single 3.3 V analog / 3.3 V digital supply. A flash or pipelined ADC is a mixed-signal data converter that samples a continuous analog waveform at a fixed clock rate and produces parallel digital codes; pipelined architectures trade a few cycles of latency in favour of much lower power and smaller die area than a full flash design. The ADC1207S080 family is positioned for IF-sampling receivers, sitting in the hierarchy pipeline ADC -> ADC -> data converter -> data acquisition IC -> mixed-signal semiconductor, where its 80 MHz analog input allows direct digitisation of intermediate frequencies without an analog down-conversion stage. Key features include 12-bit resolution, 80 MSPS maximum conversion rate, single 3.3 V supply operation, 1 Vp-p full-scale analog input, integrated track-and-hold amplifier, internal sample-and-hold clock driver, and an LVCMOS-compatible parallel digital interface. The 48-TQFP (7x7) package offers a 0.5 mm lead pitch suitable for standard SMT assembly lines and supports the -40C to +85C operating temperature range required for outdoor telecom infrastructure. The architecture is built on a multi-stage pipeline with per-stage flash sub-ADC and digital error correction, achieving 12-bit linearity (DNL/INL within +/-1 LSB typical) while running at 80 MSPS. The wide analog input bandwidth enables direct sampling of IF frequencies up to 150 MHz, simplifying receiver design by eliminating an analog mixer stage and improving overall system linearity and cost. Typical applications include multi-carrier GSM/UMTS/LTE base-station receivers, cable-headend digitisation, optical transport SONET/SDH line-card ADCs, and broadband test-and-measurement digitiser front-ends. The wide input bandwidth also suits radar IF, software-defined radio and digital oscilloscope front-end cards. The 450 mW dissipation at 80 MSPS allows forced-air or convection cooling in 1U/2U shelf designs without heatsinks. When designing with this device, follow the recommended differential analog input drive with a 1 Vp-p full-scale range centred on a common-mode voltage of 1.65 V, and decouple AVDD/DVDD separately to minimise switching noise coupling into the analog front-end. For replacement scenarios, only the -C28 variant (Pb-free tape and reel, 2500 pcs) is drop-in compatible with this part number, while other speed grades in the ADC1207S family differ in maximum sampling rate and require re-qualification. This page synthesises the manufacturer datasheet, distributor pricing as of 2026-10-13, drop-in alternative analysis, and practical RF/IF design notes not found on individual vendor listings.
IDTADC1210S065HN-C1 - 12-bit 65MSPS ADC, LVDS/CMOS | Renesas
The Renesas IDTADC1210S065HN-C1 is a single-channel, 12-bit pipelined analog-to-digital converter (ADC) sampling at 65 Msps (mega-samples per second), delivered in a 40-pin HVQFN (6x6 mm) exposed-pad package. It is part of the IDT/Intersil ADC1210S series that scales across 65/80/105/125 Msps grades, supports both CMOS and LVDS DDR digital outputs, and operates from a 3 V analog supply with a separate 1.8 V digital supply. An analog-to-digital converter (ADC) is a data-converter integrated circuit that samples a continuous analog input voltage and outputs a discrete digital code representing that voltage. Within the broader signal-chain taxonomy, this part belongs to high-speed pipeline ADCs -> data converters -> mixed-signal ICs -> semiconductor. The pipeline architecture uses multiple low-resolution stages with residue amplification to achieve high sample rates while keeping per-stage comparator complexity low; this design is the dominant topology for communications, imaging, and instrumentation front-ends in the 10 Msps to 250 Msps range. Compared with successive-approximation (SAR) ADCs, pipelined ADCs trade conversion latency of several clock cycles for substantially higher sample rates. Key specifications include 12-bit resolution, 65 Msps maximum sample rate, single-channel input, CMOS or LVDS DDR output interface selectable per application, integrated input buffer that simplifies front-end drive, and low power consumption typical of pipeline ADC implementations. Typical values are measured at VDDA = 3 V, VDDO = 1.8 V, Tamb = 25 C with a 5 pF load; the full-temperature operating range spans Tamb = -40 C to +85 C at VDDA = 3 V. The -C1 suffix indicates the 65 Msps grade and is one of four speed grades available in the same HVQFN-40 footprint. The architecture integrates a track-and-hold, multi-bit pipelined core, on-chip reference, and digital output drivers, allowing direct connection to FPGAs, ASICs, or DSPs. The exposed pad provides a low-thermal-resistance path to the PCB copper, enabling sustained 65 Msps operation in compact layouts without external heatsinking. Typical applications include communications receivers and baseband digitization, medical imaging front-ends such as ultrasound, industrial digitizers and data acquisition cards, multi-channel oscilloscope front-ends, and consumer imaging pipelines. Designers choose the 65 Msps grade when system bandwidth requirements fall within the 25-30 MHz Nyquist range; the 80/105/125 Msps grades are pin-compatible for upward scaling. When designing with this part, allocate a continuous ground plane beneath the exposed pad to maximize thermal performance, and keep analog and digital supply returns separated until they meet at a star ground near the regulator. Place the 1.8 V digital decoupling capacitors as close as possible to the VDDO pins to limit switching noise coupling into the analog front-end. This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical layout notes not found in the standalone manufacturer datasheet, providing engineers with the cross-reference context needed for component selection.
IDTADC1210S065HN-C18 - 12-bit 65 MSPS ADC | Renesas (IDT)
The Renesas IDTADC1210S065HN-C18 is a 12-bit, 65 MSPS single-channel pipelined analog-to-digital converter with selectable CMOS or LVDS DDR digital outputs, housed in a 40-pin HVQFN (6x6 mm) package. It operates from a single 3.0 V analog supply and a separate 1.8 V to 3.3 V digital output supply (VDDO), delivering 65 million samples per second while maintaining low power consumption suitable for dense multi-channel systems. An ADC (analog-to-digital converter) is a data-conversion IC that transforms a continuous analog input signal into a discrete digital code. Pipelined ADCs use a multi-stage architecture with per-stage sample-and-hold, sub-ADC, and DAC blocks to achieve high conversion rates at moderate resolution. The 12-bit pipelined ADC sits within the broader category hierarchy of data converter -> ADC -> pipelined ADC -> high-speed ADC -> semiconductor IC, and is the workhorse of IF/baseband digitization in communications, imaging, and industrial test equipment. Key differentiating specifications include 12-bit resolution, a 65 MSPS sampling rate, a single 3.0 V analog supply (VDDA) with absolute maximum 3.9 V, 1.8 V CMOS or LVDS DDR digital output modes, an operating ambient range of -40C to +85C, and a junction temperature ceiling of 125C. The HVQFN-40 6x6 mm package exposes a thermal pad for low-theta-JA board-mount cooling, enabling operation at full sample rate without a dedicated heatsink. The architecture employs a switched-capacitor pipelined front-end followed by an internal error-correction logic stage and a flexible output driver that can be configured for parallel CMOS or LVDS DDR via the output-mode pin. The Pin-control mode allows configuration of SPI pins (SDIO, CS, SCLK) as static control inputs at power-up when CS is held HIGH, simplifying hardware-only designs. The device consumes modest power proportional to sample rate, supporting power scaling at lower clock frequencies. Typical applications include communications IF/baseband digitization, medical imaging front-ends, portable and bench-top test & measurement, industrial process control, CCD/CMOS imaging digitizers, and radar/sonar intermediate-frequency capture. For each use case, the 12-bit/65 MSPS combination delivers enough dynamic range and bandwidth for many mid-tier signal-chain tasks. When designing with this device, ensure the analog input network meets the switched-capacitor input's common-mode and bandwidth requirements, decouple VDDA with low-ESR ceramics placed close to the pin, and stitch the thermal pad with multiple vias to inner ground planes. Unused digital outputs should be left floating or terminated per the application note to minimize coupling. This page synthesizes distributor pricing, drop-in alternatives from the same Renesas/IDT ADC12xx family, and practical design notes not found in the manufacturer datasheet.
IDTADC1210S080HN-C1 - 12-Bit 80MSPS ADC, CMOS/LVDS DDR | Renesas
The Renesas (formerly IDT) IDTADC1210S080HN-C1 is a single-channel 12-bit pipelined analog-to-digital converter (ADC) that samples at 80 MSPS with selectable CMOS or LVDS DDR digital outputs, housed in a 40-pin HVQFN (6x6 mm) package. It operates from a 3.0 V analog supply (VDDA) and a 1.8 V digital supply (VDDO), drawing power appropriate for high-speed IF/baseband signal acquisition. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts a continuous-time analog voltage on its input pin into a discrete digital code at its output. It belongs to the data converter (ADC/DAC) product family within data acquisition ICs, which sit in the broader mixed-signal and signal-chain hierarchy. Pipelined ADCs like the ADC1210S series use a multi-stage architecture with per-stage flash sub-ADCs and digital error correction, achieving a balance of high sampling rate, moderate resolution (10-14 bits), and low power consumption per MSPS. Key specifications include 12-bit native resolution, 80 MSPS maximum sampling rate, support for both single-ended CMOS and differential LVDS DDR output modes, and a pipelined architecture with a typical latency of several clock cycles. The part is offered in a 40-pin HVQFN package (6x6 mm body) with an exposed thermal pad for low thermal resistance. The ADC1210S series shares a common silicon platform across 65/80/105/125 MSPS speed grades, allowing engineers to scale sampling rate on the same PCB footprint. The differential LVDS DDR mode delivers data on both clock edges, halving the per-pin output rate and easing FPGA/CPLD capture at 80 MSPS and beyond, while the CMOS mode simplifies low-cost MCU or DSP interfacing at slower rates. Typical applications include communications IF basestats, ultrasound imaging receivers, portable test and measurement instrumentation, radar signal processing front ends, and medical imaging data acquisition cards. The wide input common-mode support and internal reference simplify board design in space-constrained applications. When designing with this device, allocate a solid ground plane beneath the package and bond the exposed pad to analog ground. Decouple VDDA with a 1 uF plus 10 nF ceramic pair close to the pin, and keep the analog input trace short and impedance-controlled (typically 50 ohm or 75 ohm terminated) to preserve ENOB at high input frequencies. This page synthesizes distributor pricing, datasheet pinout, drop-in alternative listings across the ADC1210S speed grades, and practical design notes not found on a single distributor product page.
IDTADC1210S080HN-C18 - 12-bit 80MSPS Pipeline ADC | Renesas
The Renesas IDTADC1210S080HN-C18 is a 12-bit resolution, 80 MSPS (mega-samples per second) pipelined analog-to-digital converter (ADC) housed in a 40-pin VFQFPN (Very-thin Fine-pitch Quad Flat Package, No-leads) with exposed thermal pad. The converter integrates a single differential/single-ended analog input channel, on-chip sample-and-hold, and a pipelined architecture that delivers 12-bit linearity at full speed while keeping latency low. The part is the original IDT (Integrated Device Technology) design now sold under the Renesas umbrella after the 2019 IDT acquisition. What is a pipelined ADC? A pipelined analog-to-digital converter is a high-speed Nyquist ADC architecture that breaks the conversion into multiple low-resolution stages, each handling a portion of the input range before passing the residue to the next stage. Pipelined ADCs sit at the top of the data converter hierarchy: ADC -> Nyquist ADC -> pipelined ADC -> high-speed data acquisition IC -> signal chain IC -> semiconductor. They are the dominant choice for 10-200 MSPS applications because they deliver excellent speed-linearity-power trade-offs versus successive-approximation (SAR) and flash architectures. Key features include 80 MSPS maximum sampling rate, single-channel differential or single-ended input, an LVDS-parallel or parallel CMOS digital output interface (per the datasheet), selectable external or internal voltage reference, and 2.85V-3.4V analog supply. The pipelined architecture provides excellent spurious-free dynamic range (SFDR) and signal-to-noise ratio (SNR) suitable for communications, imaging, and instrumentation front-ends. Power dissipation scales roughly linearly with sample rate, allowing the device to back off power in lower-speed applications. In terms of design depth, the ADC1210S family uses multi-stage switched-capacitor residue amplification and a digital error-correction logic block to suppress comparator offset errors, allowing only the first stage to require laser trimming. The reference can be driven externally for best DC accuracy or left internal to save board area. Digital outputs can be configured for LVDS or parallel CMOS depending on the system noise and board-routing requirements. Typical applications include medical ultrasound beamformers, communications IF digitizers, CCD/CIS imaging digitizers, portable test and measurement instruments, and high-speed data acquisition cards. The wide input common-mode range and flexible reference make it easy to interface with a wide variety of front-end amplifiers and anti-alias filters. When designing with this part, ensure the analog input is bandwidth-limited with a properly designed anti-alias filter and that the reference decoupling is tight to ground. The exposed thermal pad must be soldered to a sufficiently large ground copper pour to keep junction temperature within the -40C to +85C operating range at full 80 MSPS throughput. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical layout notes not found in the manufacturer datasheet alone.
IDTADC1210S105HN-C18 - 12-bit 105MSPS ADC, 40-VFQFPN | IDT/Renesas
The Renesas (formerly IDT) IDTADC1210S105HN-C18 is a single-channel, 12-bit pipelined Analog-to-Digital Converter (ADC) optimized for high dynamic performance and low power at sample rates up to 125 Msps, with this speed grade specified at 105 Msps. Housed in a 40-pin VFQFPN exposed-pad package, the converter achieves 70 dBFS SNR and 86 dBc SFDR with a 600 MHz analog input bandwidth. An Analog-to-Digital Converter (ADC) is a mixed-signal integrated circuit that converts real-world analog signals - typically voltage or current from sensors, antennas, or audio sources - into discrete digital codes that a microcontroller, DSP, or FPGA can process. ADCs sit within the broader data-acquisition signal chain: sensor -> signal conditioning -> ADC -> digital processor. High-speed pipelined ADCs like the ADC1210S use a multi-stage switched-capacitor architecture to balance conversion speed, resolution, and power dissipation. Key features of this device include a flexible analog input range from 1 Vp-p to 2 Vp-p, selectable CMOS or LVDS DDR digital outputs, a serial peripheral interface (SPI) for configuration, an integrated duty-cycle stabilizer, and fast Out-of-Range (OTR) detection. Power consumption is 430 mW at 80 Msps from a single 3 V analog supply, with the 1.8 V digital supply independently adjustable for low-power digital interface modes. The device supports offset binary, two's complement, and gray code output formats. The ADC1210S series uses a 12-bit pipelined core with a sample-and-hold front end that includes on-die ESD protection and matched input parasitics. The clock input is divided by 2 internally to relax source jitter requirements, while the duty-cycle stabilizer maintains sample-to-sample timing accuracy even with non-50% clock duty cycles. Output data is delivered as either parallel CMOS words or LVDS DDR pairs depending on system EMI and trace-length requirements. Typical applications include wireless base-station receive IF digitizers, medical ultrasound beamformers, portable test-and-measurement instrumentation, software-defined radio front ends, and high-speed imaging digitizers. The wide 600 MHz input bandwidth makes the part particularly suited for undersampling IF signals in communications receivers where the ADC samples below the carrier frequency. Designers should note that the exposed pad must be soldered to a continuous ground plane to achieve specified thermal performance (theta-JA depends on PCB copper area) and that the analog and digital supply domains require separate decoupling networks. The SPI register map controls output format, input full-scale range, and test patterns - consult the Renesas datasheet before committing to a PCB layout. This page consolidates distributor pricing, pin-compatible drop-in alternatives, and practical design notes that go beyond the bare datasheet - giving engineers a faster path from evaluation to production.
IDTADC1210S125HN-C1 - 12-bit 125 MSPS Single ADC | Renesas
The Renesas (formerly IDT) IDTADC1210S125HN-C1 is a single-channel, 12-bit pipelined analog-to-digital converter (ADC) sampling up to 125 MSPS, housed in a 40-pin HVQFN exposed-pad package (6 mm x 6 mm). It is specified for low power consumption and high dynamic performance, with CMOS or LVDS DDR digital output options selected via the OVS pin. The -C1 suffix indicates the commercial temperature grade (0 C to +70 C). A pipelined ADC is a high-speed Nyquist-rate data converter that resolves one or more bits per stage using a switched-capacitor gain-DAC and residue amplifier chain. The pipelined architecture is the workhorse of communications infrastructure, industrial imaging, and test-and-measurement digitizers because it combines hundreds of MHz of analog input bandwidth with sub-watt power consumption, placing it within the hierarchy of successive-approximation (SAR) and flash converters as the preferred solution for sampling rates between ~10 MSPS and ~500 MSPS. Key features of the IDTADC1210S125HN-C1 include a 12-bit resolution, 125 MSPS maximum sampling rate, a single analog input channel, an internal reference (with option to overdrive), CMOS/LVDS DDR selectable output mode, and programmable full-scale input range. The 40-pin HVQFN package with exposed thermal pad provides a low-thermal-resistance path for high-density PCB designs, and the integrated input sample-and-hold simplifies front-end matching. Typical applications span communications baseband and IF digitization, industrial test-and-measurement equipment, medical imaging front ends, radar and lidar signal processing, and high-speed data acquisition systems. The wide input bandwidth and flexible digital interface make the part well suited for direct-IF sampling in software-defined radio. When designing with the IDTADC1210S125HN-C1, ensure the input common-mode voltage is set within the part's specified range and that the analog input is bandwidth-limited to less than half the sampling rate to avoid aliasing. Use a low-jitter clock source because aperture-jitter directly degrades SNR at high input frequencies. This page synthesizes distributor pricing, drop-in alternatives from the ADC1210S family, and practical design notes not collated in the manufacturer datasheet.
IDTADC1210S125HN-C18 - 12-bit 125 MSPS ADC, 40-VFQFPN | Renesas
The Renesas IDTADC1210S125HN-C18 is a single-channel 12-bit pipelined analog-to-digital converter (ADC) sampling at 125 MSPS, housed in a 40-pin VFQFPN (6x6 mm) package. It supports CMOS or LVDS DDR digital outputs, runs from a 3 V analog supply and a 1.8 V digital supply, and delivers 12-bit resolution with one input channel operating in pipelined architecture. A pipelined ADC is a high-speed successive-approximation architecture that uses multiple low-resolution stages to digitize an analog signal at sample rates well beyond what SAR (successive-approximation register) converters can achieve. Pipelined ADCs sit in the data-converter hierarchy between SAR (low-power, high-resolution) and flash (highest speed, lowest resolution) converters, enabling telecommunications, imaging, and instrumentation front ends. The 12-bit 125 MSPS class targets cost-sensitive wideband designs where 10-12 bits of dynamic range suffice. Key features of the IDTADC1210S125HN-C18 include a low-noise track-and-hold front end, selectable power-saving mode, single 3 V analog supply operation, separate 1.8 V digital supply for low-power LVDS/CMOS outputs, and 40-pin VFQFPN packaging with a thermal pad. Operating range covers -40 °C to +85 °C ambient. The part supports selectable CMOS or LVDS DDR digital output modes for flexible interface to FPGAs and DSPs. At 125 MSPS the converter's internal pipeline clock multiplies up from an external reference, and the track-and-hold front end is bandwidth-limited to slightly above Nyquist to balance aliasing rejection with passband flatness. The -C18 speed grade designation indicates the 125 MSPS bin with the 1.8 V digital-output supply configuration. The exposed thermal pad on the 40-VFQFPN package must be soldered to a ground copper pour to achieve the rated thermal resistance. Typical applications include basestation receive paths, medical ultrasound beamforming front ends, low-cost digital oscilloscopes, and intermediate-frequency (IF) sampling in software-defined radio (SDR). The wide input bandwidth also suits high-speed data-acquisition cards and CCD/CIS imaging front ends. When integrating this ADC, provide well-decoupled analog and digital supplies and route LVDS data pairs with controlled 100 ohm differential impedance to preserve signal integrity.
IDTADC1212D065HN-C18 - 12-bit 65MSPS Dual ADC | Renesas/IDT
The Renesas (formerly IDT, Integrated Device Technology) IDTADC1212D065HN-C18 is a 12-bit, dual-channel, 65 MSPS pipelined analog-to-digital converter (ADC) housed in a 64-pin VFQFPN exposed-pad package (9 mm x 9 mm). Each of the two ADC channels converts a single analog input through a fully differential pipeline architecture, designed for synchronous sampling in multi-channel systems where precise channel-to-channel timing is required. The -C18 suffix denotes tape-and-reel packaging for high-volume assembly. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that quantizes a continuous analog voltage into a discrete digital code. A pipelined ADC achieves high sample rates by interleaving multiple low-resolution pipeline stages, with each stage resolving part of the conversion before handing the residue to the next stage. The pipelined ADC category sits within the broader data-converter hierarchy: ADC -> data converter -> mixed-signal IC -> signal chain -> data acquisition subsystem, and is the dominant architecture for sample rates between 1 MSPS and 500 MSPS. Key features of the IDTADC1212D065HN-C18 include 12-bit native resolution, 65 MSPS maximum sampling rate, dual simultaneous-sampling channels, low-voltage differential signaling (LVDS) compatible digital outputs, and an internal reference. The exposed thermal pad on the VFQFPN-64 package provides a low thermal resistance path for dissipating converter power, critical when operating at full sample rate with both channels active. The pipelined architecture, combined with on-chip sample-and-hold and reference buffer circuitry, allows the part to deliver excellent dynamic performance for IF-sampling and baseband applications. Designers typically pair the device with a low-jitter differential ADC driver such as the ADA4927 or THS4509 to preserve the converter's SNR and SFDR specifications. Typical applications include medical imaging receivers (ultrasound beamformers), multi-channel digital oscilloscopes, software-defined radio (SDR) baseband digitizers, communications IF receivers, and industrial test instrumentation. The dual-channel architecture is especially attractive in phased-array systems where two channels represent the minimum IQ demodulator pair. When designing with this ADC, prioritize clock distribution: sub-50 fs RMS aperture jitter is generally required to preserve 12-bit SNR at 65 MSPS IF inputs. Use a differential encoder or transformer-coupled clock to avoid coupling digital noise into the sensitive analog front-end through a shared ground bounce path. This page synthesizes distributor pricing, datasheet references, drop-in alternatives from the same Renesas/IDT ADC12xx family, and practical design notes not found in the manufacturer datasheet alone.
IDTADC1212D080HN-C1 - Dual 12-bit 80MSPS ADC, 64-VFQFPN | Renesas
The Renesas IDTADC1212D080HN-C1 is a dual-channel 12-bit pipelined analog-to-digital converter sampling at 80 MSPS, packaged in a 64-pin VFQFPN (9x9 mm). Two independent ADC channels share a common reference and clock, enabling synchronous I/Q sampling for communications, instrumentation, and imaging front ends. The device supports CMOS digital outputs with DDR/SDR modes per channel selection. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous-time analog waveforms at a fixed rate and produces a quantized digital code proportional to the input voltage. Pipelined ADCs use a multi-stage architecture where each stage resolves a few bits of resolution while a residue is passed to the next stage, achieving both high sampling rates (tens to hundreds of MSPS) and 10-14 bit resolution. In the broader taxonomy, the IDTADC1212D080HN-C1 sits within: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. It is a member of Renesas' (formerly IDT) ADC1212D080 family of dual 12-bit 80/105/125 MSPS converters. Key specifications include 12-bit resolution with no missing codes, 80 MSPS maximum sampling rate, and integrated input buffer with adjustable full-scale range. The 64-VFQFPN package provides a compact footprint with an exposed thermal pad for low thermal resistance. Power consumption is typically below 600 mW at 80 MSPS from a single 1.8V analog and 1.8V/3.3V digital supply, enabling use in thermally constrained designs. Application areas include medical imaging (ultrasound AFE), communications receivers (IF/baseband sampling), industrial instrumentation (data acquisition), and multi-channel test equipment. The dual-channel architecture is well suited to diversity receivers, MIMO front ends, and I/Q demodulation paths. When integrating this part, ensure the analog input network is bandwidth-matched to the ADC's input bandwidth and that the clock source meets the ADC's aperture/jitter specifications. Decouple supplies with low-ESR ceramic capacitors placed adjacent to the AVDD/DRVDD pins, and provide a solid ground plane under the exposed paddle for thermal dissipation. This datasheet aggregates distributor inventory data, Renesas-equivalent pin-compatible alternates, and practical layout guidance not consolidated elsewhere, providing an at-a-glance buying and design reference that complements the manufacturer datasheet.
IDTADC1212D080HN-C18 - 12-bit 80MSPS Dual ADC | Renesas
The Renesas IDTADC1212D080HN-C18 is a 12-bit resolution, dual-channel pipelined analog-to-digital converter (ADC) sampling at 80 MSPS per channel, housed in a 64-pin VFQFPN (9x9 mm) exposed-pad package. Originally branded under IDT (Integrated Device Technology), this part belongs to the ADC1212D family of high-speed CMOS pipeline ADCs optimized for multi-channel data-acquisition systems where footprint density and conversion rate matter equally. The integrated dual-channel architecture lets one silicon die replace two discrete ADC ICs, simplifying board layout while halving FPGA/MCU I/O pin counts for sample-data interfaces. What is a pipelined ADC? A pipelined analog-to-digital converter is a high-speed ADC architecture that processes samples through multiple cascaded low-resolution stages, each stage resolving a few bits and feeding a residue to the next. Unlike successive-approximation (SAR) ADCs that need one conversion per bit, pipelined ADCs achieve much higher sample rates (tens to hundreds of MSPS) at modest power, making them the dominant architecture for communications, imaging, and instrumentation. Within the broader taxonomy: ADC -> data converter -> mixed-signal IC -> semiconductor. Key specifications include 12-bit resolution with ENOB typically near 10-11 bits at Nyquist, dual analog inputs with independent sample-and-hold stages, CMOS-compatible digital outputs, and LVDS/CMOS selectable output modes depending on family variant. The 64-VFQFPN 9x9 mm exposed-pad package provides a thermal resistance low enough to dissipate the typical 250-400 mW per channel without external heatsinking, while the exposed pad enables direct PCB top-layer ground pour soldering. In circuit topology, the ADC1212D typically accepts differential analog inputs centered on a common-mode voltage (often 0.9V to 1.1V), driven by a high-bandwidth ADC driver op-amp such as the THS4631 or ADA4932. The clock input accepts LVCMOS/LVDS-compatible differential clocks, and a stable low-jitter clock source (such as a dedicated PLL or crystal oscillator) is required to keep aperture-delay variation low. Typical applications include multi-channel digital oscilloscopes, medical ultrasound beamforming front-ends, software-defined radio (SDR) baseband digitizers, and industrial non-destructive-testing imaging arrays. The dual-channel architecture also makes it attractive for I/Q demodulation chains in radar and Wi-Fi front-ends where matched-channel performance is critical. When designing in this converter, ensure the analog input common-mode voltage matches the ADC's internal reference, place the ADC driver op-amp within 100 mils of the analog input pins, and flood the package exposed pad with a continuous ground plane to meet the thermal dissipation budget. This page synthesizes distributor pricing, drop-in compatible same-package variants from the Renesas/IDT ADC1212D family, and practical design notes not consolidated in any single manufacturer datasheet.
IDTADC1212D105HN-C1 - Dual 12-bit 105MSPS ADC | Renesas | 64-VFQFPN
The Renesas IDTADC1212D105HN-C1 is a dual 12-bit, 105 MSPS pipelined analog-to-digital converter housed in a 64-pin VFQFPN (9x9 mm) exposed-pad package. It provides two simultaneous 12-bit conversion channels at up to 105 MSPS each, with selectable CMOS or LVDS DDR digital outputs. The -C1 suffix designates the commercial temperature grade, making the part suited to lab, instrumentation, and general-purpose industrial systems. An analog-to-digital converter (ADC) is a data-acquisition component that translates continuous analog signals into discrete digital codes for downstream DSP, FPGA, or processor consumption. Pipeline ADCs like the ADC1212D use a multi-stage architecture with per-stage sample-and-hold and residue amplification, achieving high sampling rates with low latency at moderate resolution. The 12-bit class sits between 10-bit general-purpose converters and 14-16 bit precision converters, serving communications, imaging, and test-equipment applications where moderate dynamic range is acceptable. Key features of the IDTADC1212D105HN-C1 include dual 12-bit conversion channels at 105 MSPS, integrated input buffer and sample-and-hold, selectable CMOS or LVDS DDR output interfaces, and a wide input common-mode range. The pipelined architecture provides consistent latency from sample to output, simplifying synchronization in multi-channel systems. Power consumption is held modest through the use of CMOS output stages. Typical applications include communications base-station receive paths, medical imaging front-ends, radar and sonar signal processing, industrial inspection cameras, and general-purpose data-acquisition cards. The exposed-pad package ensures a low thermal resistance, enabling sustained high sampling rates without thermal throttling in enclosed chassis. When designing with this device, ensure the exposed pad is soldered to a continuous ground plane for thermal dissipation and ground return. Use differential clock inputs to minimize jitter; LVDS DDR outputs require a 100 ohm termination at the receiver. The internal reference may be bypassed for precision applications.
IDTADC1212D105HN-C18 - Dual 12-bit 105 MSPS ADC | IDT/Renesas
The Renesas (formerly IDT Integrated Device Technology) IDTADC1212D105HN-C18 is a dual 12-bit pipelined analog-to-digital converter (ADC) sampling at 105 megasamples per second (MSPS) per channel, housed in a 64-pin VFQFPN (9x9 mm) package. Each of the two ADC channels delivers 12-bit resolution with a bipolar analog input range, supporting a single 1.8 V analog supply rail and LVDS-compatible digital outputs for low-EMI multi-channel data acquisition systems. A pipelined ADC is a multi-stage converter architecture that distributes the conversion task across cascaded low-resolution stages, each of which samples-and-hold the residue for the next stage. The pipelined approach allows high sampling rates (here 105 MSPS per channel, 210 MSPS interleaved) while consuming low power per conversion, making this architecture the workhorse of communications, medical imaging, instrumentation and digital oscilloscope front-ends. By placing two ADCs in one die, the device also offers simultaneous-sampling operation for I/Q demodulation and beam-forming radar where the relative phase of two channels must be preserved. Key features include dual 12-bit core ADCs at 105 MSPS per channel, single 1.8 V supply operation, LVDS digital outputs, programmable full-scale input range, internal voltage reference, and a separate output supply (DRVDD) for LVDS common-mode interfacing. The 64-pin VFQFPN 9x9 mm footprint integrates exposed thermal pad for low-junction-temperature operation in dense multi-channel boards. In the system hierarchy, this part belongs to the analog-to-digital converter family -> data converter -> signal-chain IC -> mixed-signal semiconductor. Renesas acquired IDT in 2019 and continues to manufacture and support the ADC1212D105HN family. The C18 designator in the part number typically identifies the die revision and the 105MSPS speed grade. Typical applications include dual-channel digital oscilloscopes, communications receiver IF sampling, medical ultrasound beam-formers, multi-antenna Wi-Fi/5G base-station observation receivers, and multi-axis industrial vibration monitoring. The dual-core simultaneous sampling is ideal where channel-to-channel phase coherence must be preserved. When designing with the dual ADC, place the 1.8 V AVCC decoupling capacitors within 2 mm of the analog supply pins and provide an unbroken analog ground plane tied to the exposed pad. Match trace lengths for LVDS differential pairs to maintain lane-to-lane skew below 50 ps. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the IDT/ADC1212 family, and PCB layout notes beyond the manufacturer datasheet, helping engineers shorten sourcing and design-in time.
IDTADC1215S080HN-C1 - 12-bit 80MSPS Pipeline ADC | IDT/Renesas
The IDT (Integrated Device Technology, now Renesas) IDTADC1215S080HN-C1 is a monolithic 12-bit, 80 MSPS (mega-samples per second) pipelined analog-to-digital converter housed in a 40-pin HVQFN (6x6 mm) exposed-pad package. It delivers one differential analog input channel with on-chip sample-and-hold and an internal voltage reference optimized for high-speed IF sampling in communications, imaging and instrumentation systems. Operating from a single 3.0 V to 3.6 V analog supply, the device achieves 80 MSPS conversion rates suitable for software-defined radio, medical ultrasound, and baseband signal acquisition. A pipelined ADC is a multi-stage converter architecture in which each stage samples and quantizes a coarse portion of the input, then passes an amplified residue to the next stage; this design delivers high sample rates at moderate power dissipation, making it the dominant topology for 12-16 bit converters operating between 10 MSPS and 500 MSPS. The IDTADC1215S080HN-C1 belongs to the IDT/Renesas ADC1215 family of single-channel pipelined ADCs, a category that sits hierarchically under data converter ICs -> ADC -> pipelined ADC -> high-speed ADC -> semiconductor. Compared with successive-approximation (SAR) ADCs, pipelined converters trade absolute latency for sample-rate headroom, which is the key reason this part is chosen over a SAR when the system must digitize wide-bandwidth analog signals. Key features include 12-bit resolution with no missing codes, an internal bandgap reference, CMOS-compatible digital outputs, and an LVTTL/CMOS-compatible clock input. The on-chip input buffer and reference simplify external analog design, while the standard binary twos-complement or offset-binary output coding integrates seamlessly with downstream FPGAs or DSPs. The 40-pin HVQFN exposed-pad package provides a low thermal-resistance path for heat extraction, critical because the device can dissipate several hundred milliwatts at 80 MSPS. The architecture uses a 9-stage pipeline with a 3-bit first stage to balance linearity against latency, and includes proprietary digital error correction that removes comparator sparkle-induced errors. According to the IDT datasheet history this part was published 2010-10-19, making it a mature high-volume converter used in long-lifecycle products. Typical applications span software-defined radio (SDR) baseband and IF digitizers, medical ultrasound front-ends, high-speed instrumentation and oscilloscope front-ends, radar and lidar signal acquisition, and industrial imaging. The 80 MSPS rate is sufficient to digitize IF signals up to roughly 30-35 MHz without aliasing, satisfying most narrow-band communications and ultrasound front-end requirements. When designing with this part, pay attention to analog input common-mode voltage and clock jitter: a 12-bit 80 MSPS ADC needs an aperture jitter under 1 ps RMS to preserve SNR, and the analog input must be AC-coupled or DC-biased within the datasheet's specified common-mode window. This page synthesizes distributor pricing, drop-in alternatives drawn from the Site MPN list and web data, and practical design notes not found in the manufacturer datasheet.
IDTADC1215S080HN-C18 - 12-Bit 80 MSPS 1-Channel ADC | IDT/Renesas
The IDT (Integrated Device Technology, now Renesas Electronics America) IDTADC1215S080HN-C18 is a 12-bit resolution, 80 MSPS sampling rate, single-channel pipelined Analog-to-Digital Converter (ADC) housed in a 40-pin HVQFN (6x6 mm) exposed-pad package. The -C18 suffix indicates a specific speed bin and reel packaging. The device targets high-speed data acquisition systems where low power and small PCB footprint are critical. An ADC (Analog-to-Digital Converter) is a data converter integrated circuit that samples continuous analog signals and translates them into discrete digital codes for processing by FPGAs, microcontrollers, or DSPs. Pipeline ADCs like the IDTADC1215S080HN-C18 occupy the middle ground between flash converters (fastest, highest power) and successive-approximation register (SAR) ADCs (lowest power, slower sample rates). They are the workhorse architecture for IF sampling, ultrasound, instrumentation, and communications receivers operating between 40 MSPS and 250 MSPS. Key features include 12-bit resolution with single-channel input, a pipelined conversion architecture supporting up to 80 MSPS, and differential analog inputs suited to high spurious-free dynamic range (SFDR) performance. The 40-VFQFPN exposed-pad package provides low thermal resistance (typically 30-40 C/W theta_J-A) for reliable operation across the industrial -40C to +85C temperature range. The part is also RoHS compliant. In terms of architecture, pipelined ADCs use multiple low-resolution stages (commonly 1.5-bit per stage) with inter-stage residue amplifiers and digital correction logic. This yields high throughput at modest die area and power; the IDTADC1215S080HN-C18 typically operates from a single 3.3 V analog supply plus a 3.3 V or 1.8 V digital supply, depending on the reference design. Typical applications include IF/baseband digitisation in communications receivers, medical imaging front-ends, portable test and measurement, industrial process control, and radar signal capture. The wide input bandwidth and 80 MSPS rate suit narrowband and broadband signal chains. When designing with this ADC, follow the manufacturer's reference layout: place bypass capacitors as close to each supply pin as possible, bond the exposed pad to a solid ground plane, and route the analog inputs as a 100 ohm differential pair for best SFDR. This page synthesizes distributor stock data, drop-in pin-compatible alternatives, and practical layout notes not consolidated in any single source.
IDTADC1215S105HN-C18 - 12-Bit 105 MSPS ADC w/ Input Buffer | Renesas
The Renesas IDTADC1215S105HN-C18 is a single-channel, 12-bit pipelined analog-to-digital converter (ADC) sampling at up to 105 MSPS, integrated with an on-chip input buffer and supporting both CMOS and LVDS DDR digital outputs in a 40-pin VFQFN exposed-pad package. It belongs to the ADC1215S series of single 12-bit ADCs originally developed by Integrated Device Technology (now part of Renesas). Headline specifications include 12-bit resolution, 105 MSPS sampling rate, integrated input buffer, and selectable CMOS or LVDS DDR output interfaces. An ADC (Analog-to-Digital Converter) is a data-acquisition integrated circuit that samples continuous analog signals and converts them into discrete digital codes for downstream processing by FPGAs, DSPs, or microcontrollers. Pipelined ADCs such as the ADC1215S use a multi-stage architecture to achieve high sampling rates (tens to hundreds of MSPS) while maintaining moderate resolution (10-14 bits), making them the workhorse of communications infrastructure, medical imaging, and industrial test equipment. Within the broader hierarchy they sit under Data Acquisition ICs, which in turn belong to the signal-chain and power-management semiconductor family. Key features of the IDTADC1215S105HN-C18 include a wide analog input bandwidth supported by the integrated buffer, low spurious-free dynamic range (SFDR) optimized for IF-sampling applications, dual data-rate LVDS output for low-pin-count FPGA interfacing, and a small 6x6 mm 40-VFQFN footprint with an exposed thermal pad. The on-chip buffer eliminates the need for an external high-bandwidth op-amp driver, simplifying the analog front-end and reducing BOM cost. The part is specified over the industrial temperature range and supports single 3.3V analog and digital supply operation. The architecture combines a track-and-hold front end, a multi-stage pipelined switched-capacitor core, and a digital error-correction block. The integrated input buffer is a unity-gain wideband amplifier that presents a high impedance to the source and drives the switched-capacitor sampling network internally, which relaxes source-impedance matching and reduces gain-error drift over temperature compared to unbuffered ADC designs. Typical applications include wireless base-station IF sampling, cable-modem and set-top box tuners, medical ultrasound beamformers, portable and benchtop oscilloscopes, and high-speed industrial data-acquisition cards. The dual-output-interface feature (CMOS / LVDS DDR) lets the same part serve both low-cost MCU-based systems and high-performance FPGA-based signal processors. A key design consideration is the requirement for a clean, low-noise analog supply and well-bypassed reference; the exposed thermal pad must be soldered to a sufficiently large ground copper pour for proper heat dissipation and for the lowest possible package-inductance ground return. A common-pitfall warning: when interfacing the LVDS DDR outputs to a 1.8V FPGA, confirm VDD of the ADC's digital outputs and the FPGA's LVDS bank are matched or use an external level translator. This page consolidates distributor pricing, package-level data, and a drop-in alternative list that is not present in the manufacturer datasheet itself, giving engineers a faster path to second-source validation and BOM risk reduction.
IDTADC1215S125HN-C1 - 12-Bit 125 MSPS 1-Ch ADC | Renesas
The Renesas IDTADC1215S125HN-C1 is a 12-bit, 125 MSPS, single-channel pipelined analog-to-digital converter (ADC) housed in a 40-pin VFQFPN (6x6 mm) package with an exposed thermal pad. It is part of the IDT/Intersil/Renesas high-speed ADC family acquired from Integrated Device Technology, and is specified for 1 input channel at 125 MSPS conversion rate with a pipelined architecture optimized for IF/baseband digitization. An ADC (Analog-to-Digital Converter) is a data acquisition mixed-signal IC that samples continuous analog input voltages and converts them into discrete digital codes at a defined sample rate, expressed in samples per second (MSPS). The 12-bit pipelined architecture places this part in the mid-resolution high-speed tier — between 10-bit general-purpose ADCs and 14-16 bit precision converters — and it is widely used in communications, imaging, and instrumentation equipment. Within the Renesas portfolio it sits in the hierarchy: high-speed ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. Key features include 12-bit resolution, 125 MSPS maximum sample rate, 1 single-ended/differential input channel, a pipelined conversion core, low-latency CMOS-compatible digital outputs, and a 40-pin VFQFPN 6x6 mm surface-mount package with an exposed thermal pad (EP) for low thermal resistance. The -C1 suffix denotes the commercial temperature grade. The part is also available in related IDT/Renesas speed grades (65, 80, 105 MSPS) sharing the same 40-pin VFQFPN footprint. The pipelined architecture uses successive stages of low-resolution flash sub-ADCs, residue amplifiers, and DACs to achieve high throughput with moderate die area and power consumption. The 40-pin VFQFPN exposed-pad package provides a low thermal-resistance path and a compact board footprint suitable for densely populated digital boards. The LVCMOS/CMOS digital interface simplifies connection to FPGAs, ASICs, and DSPs without requiring an external LVDS receiver. Typical applications include communications IF/baseband digitization in wireless infrastructure, digital oscilloscopes and data acquisition front-ends, medical imaging receivers, radar and lidar signal chains, and industrial test and measurement equipment. The 125 MSPS rate comfortably digitizes IF signals up to about 50 MHz with margin for the Nyquist criterion. When designing with this device, allocate sufficient PCB copper to the exposed pad for thermal dissipation, and use a low-jitter clock source — pipelined ADC SNR degrades rapidly with aperture uncertainty. Provide well-decoupled analog and digital supplies to prevent switching-noise coupling into the sample-and-hold stage. This page synthesizes distributor stock, drop-in same-package alternatives from the same IDT/Intersil/Renesas ADC121x family, and practical design considerations that go beyond the manufacturer datasheet, including cross-brand fit notes.
IDTADC1215S125HN-C18 - 12-Bit 125MSPS ADC, 40-VFQFN | Renesas (IDT)
The Renesas IDTADC1215S125HN-C18 is a 12-bit resolution, single-channel, 125 MSPS pipelined analog-to-digital converter (ADC) housed in a 40-pin VFQFN exposed-pad package. Designed by Integrated Device Technology (now Renesas), the device targets low-latency, high-speed signal acquisition in communications, digital video, medical imaging, and industrial instrumentation. Its pipelined architecture delivers one sample per clock cycle at full 125 MSPS, with the -C18 speed-grade suffix denoting a specific performance bin and full production test flow. An ADC (Analog-to-Digital Converter) is a data-acquisition mixed-signal IC that converts continuous analog voltages into discrete digital codes at a defined sample rate. Pipelined ADCs use multiple cascaded low-resolution stages with inter-stage residue amplifiers and digital error correction to achieve high sample rates (tens to hundreds of MSPS) while maintaining 10-14 bit resolution. Within the broader hierarchy, the IDTADC1215S125HN-C18 belongs to the high-speed ADC category -> data converter -> mixed-signal IC -> semiconductor. Its pipelined topology makes it the workhorse for intermediate-frequency (IF) sampling, baseband digitisation in software-defined radio, and high-speed control loops. Key features include 12-bit native resolution, 125 MSPS maximum sample rate, single 3.3V analog supply operation, LVDS-compatible or CMOS-style digital outputs, and an integrated input buffer with adjustable full-scale range. The 40-VFQFN exposed-pad package provides a low thermal-resistance path (theta-JA typically 30-35 C/W) essential for continuous full-rate operation, plus a compact 6x6 mm footprint that simplifies multi-channel board layouts by tiling identical parts. The device typically supports both internal and external reference modes and offers LVDS DDR output clocking for easy FPGA/ASIC interface. Typical applications span communications transceivers (IF sampling, diversity receivers), medical ultrasound beamformers, portable instrumentation, high-speed data recorders, and radar baseband conversion. Pin compatibility with other IDT ADC121x family members enables straightforward migration to higher or lower sample rates within the same PCB footprint. When designing with this device, prioritise a continuous ground plane under the exposed pad and place input anti-alias filter components within 5 mm of the analog input pins to preserve SFDR. Decouple AVDD and DRVDD separately with 100 nF + 10 uF ceramic combinations close to the supply pins. This page synthesises distributor stock levels, drop-in alternatives from the IDT ADC121x family, and PCB layout guidance not found in the manufacturer datasheet, giving the engineer a single reference for sourcing, replacement, and design-in decisions.