ADC1412D105HN-C18 - Dual 14-bit 105Msps ADC | Renesas
Артикул: ADC1412D105HN-C18 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $35.2 | $352,00 |
| 100 | $30.85 | $3.085,00 |
| 500 | $27.4 | $13.700,00 |
| 1.000 | $24.1 | $24.100,00 |
ADC1412D105HN-C18 Обзор
An ADC (Analog-to-Digital Converter) is a data-conversion IC that translates continuous analog waveforms into discrete digital codes. A pipelined ADC is a high-speed architecture that resolves bits in cascaded stages using sub-ranging with digital error correction; it is the dominant architecture for sample rates between 50 MSPS and 500 MSPS because it balances speed, resolution, and silicon area better than flash or successive-approximation topologies. Within the converter taxonomy, ADC1412D105 belongs to high-speed dual-channel ADCs > multi-MSPS ADCs > data converter ICs > signal chain > semiconductor. The 14-bit resolution places it between 12-bit mid-range parts and 16-bit high-precision ADCs, suited to communications, instrumentation, and imaging systems.
Key specifications include 14-bit resolution, 2 differential input channels, 105 MSPS maximum conversion rate, 64-pin VFQFPN package, programmable CMOS or LVDS DDR digital outputs, and selectable full-scale input ranges. The pipelined multi-stage architecture supports internal reference operation and includes per-channel gain/offset calibration. The SPI-compatible serial interface configures output mode (CMOS vs LVDS DDR), input range, and test patterns without external hardware.
Typical applications span communications receivers, multi-channel data acquisition, medical imaging front-ends, radar IF sampling, and industrial test instrumentation. The dual-channel simultaneous-sampling design is well suited to I/Q demodulation in software-defined radio, diversity receivers, and phase-sensitive measurements. The 105 MSPS rate easily digitizes IF signals in communications and instrumentation receivers.
When designing with this part, allocate 64 pins for the VFQFPN exposed-pad footprint including a contiguous ground plane for thermal and electrical performance, and follow the standard JESD51-compliant PCB layout for QFN packages. Decouple AVDD and DVDD rails independently to limit digital switching noise from coupling into the analog inputs.
Аналоги без доработки для ADC1412D105HN-C18 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с ADC1412D105HN-C18 (тот же форм-фактор и посадочное место) — отличается по Package, Input Type, Number of Channels, Pin Count, Sample Rate (max).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
ADC1412D105HN-C1
✅ Прямая замена✓ В наличии
$16.2 / шт.
Открыть даташит →ADC1412D125HN-C18
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$20.85 / шт.
Открыть даташит →ADC1412D065HN-C18
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$23.1 / шт.
Открыть даташит →ADC1410S105HN-C1
✅ Прямая замена✓ В наличии
$17.8 / шт.
Открыть даташит →ADC14DS105AISQ/NOPB
✅ Прямая замена✓ В наличии
$25.11 / шт.
Открыть даташит →ADC1412D105HN-C18 Максимальные параметры и электрические характеристики
| Разрешение | 14 bit |
| Number of Channels | 2 (dual, simultaneous sampling) |
| Conversion Rate (Max) | 105 MSPS |
| Architecture | Pipelined |
| Input Type | Differential |
| Digital Output | CMOS or LVDS DDR (programmable) |
| Serial Interface | SPI (3-wire) for configuration |
| Input Channels | 2 Input 2 Pipelined |
| Корпус | 64-VFQFPN (9x9 mm) with exposed pad |
| Тип монтажа | Surface Mount |
| Power Consumption | Low power (optimized, per datasheet) |
| Internal Reference | Yes (per datasheet) |
Руководство по цоколевке ADC1412D105HN-C18 в корпусе 64-vfqfpn (9x9 mm) with exposed pad
Цоколевка для ADC1412D105HN-C18 (корпус 64-vfqfpn (9x9 mm) with exposed pad). Этот аналоговый компонент имеет выводы входа, выхода и питания. Обратитесь к техническому описанию производителя для конфигураций выводов балансировки нуля, коррекции и разрешения. Идеально подходит для схем обработки сигналов и усилителей.
Нет подробных данных о распиновке для ADC1412D105HN-C18.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
ADC1412D105HN-C18 подходит для 6 применениеs: Software Defined Radio Receivers, Medical Ultrasound Imaging Front-End, Industrial Test Instrumentation, Radar IF Signal Sampling, Communications Base Station Receivers, Multi-Channel Data Acquisition Systems.
Software Defined Radio Receivers
The ADC1412D105HN-C18 is well-suited for software-defined radio (SDR) receivers because its dual simultaneous sampling at 105 MSPS digitizes I/Q signal pairs without timing skew, which is critical for baseband demodulation accuracy. With 14-bit resolution and ~78 dB dynamic range, the converter captures weak signals adjacent to strong blockers typical of crowded RF bands. The LVDS DDR output mode halves clock harmonics, lowering EMI into sensitive LNA and mixer stages on the same board. Placed between the IF filter and the FPGA demodulator, the ADC1412D105 pairs naturally with Renesas/IDT clock generators that supply low-jitter CLK+/CLK- to preserve converter SNR.
Рекомендуется
Medical Ultrasound Imaging Front-End
In multi-channel medical ultrasound systems the ADC1412D105HN-C18's simultaneous sampling across both channels allows per-channel phase alignment of beam-formed receive signals. The 105 MSPS rate captures diagnostic frequency content up to ~40 MHz without aliasing, while the 14-bit resolution preserves fine echo amplitude steps needed for tissue differentiation. The exposed-pad VFQFPN-64 package with a contiguous ground plane supports the wide channel count typical of phased-array transducers. Designed into the receive path between the TGC amplifier and the FPGA beamformer, this ADC pairs with low-noise op-amps for signal conditioning and FPGA transceivers for LVDS capture.
Рекомендуется
Industrial Test Instrumentation
Automated test equipment and high-end oscilloscope input stages depend on the ADC1412D105HN-C18's 105 MSPS dual-channel sampling for digitizing wideband analog nodes. Each converter channel delivers 14-bit resolution per measurement cycle, supporting precision waveform reconstruction across the full signal chain. The CMOS-output mode is favored in lower-frequency board layouts, while LVDS DDR is preferred at the top end of the bandwidth envelope. Used after the input attenuator and programmable gain stage, the ADC feeds an FPGA capture memory and trigger DSP.
Рекомендуется
Radar IF Signal Sampling
Pulsed-radar and FMCW receiver designs rely on intermediate-frequency (IF) sampling to extract target range and Doppler information, and the ADC1412D105HN-C18's 105 MSPS rate comfortably digitizes 30-50 MHz IF outputs from the radar mixer. Dual channels support sum-and-difference or polarization-diversity receive paths, while the SPI-configurable full-scale input range adapts to different mixer output levels. The exposed-pad VFQFPN package manages thermal dissipation during continuous sampling duty cycles typical of surveillance radar.
Рекомендуется
Communications Base Station Receivers
Multi-carrier base-station receivers place the ADC1412D105HN-C18 in the digital-IF path where 14-bit resolution and 105 MSPS sampling permit digitization of multiple adjacent carriers without cross-modulation. The dual channels support redundant or diversity receiver paths, and the LVDS DDR output cleanly interfaces to FPGA baseband DSP. The exposed-pad package's low thermal resistance supports long-on-time operation in -40C to +85C industrial enclosures.
Рекомендуется
Multi-Channel Data Acquisition Systems
Multi-channel DAQ platforms that aggregate multiple analog sensors lean on the ADC1412D105HN-C18 for per-channel timing alignment and reduced board area. Each 14-bit sample at 105 MSPS supplies sufficient resolution to resolve sub-millivolt sensor signals while the dual synchronous channels double the channel density per converter. The pin-compatible family lets designers field-configure 65, 105, or 125 MSPS variants without changing the BOM layout, easing last-minute specification changes for industrial customers.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ADC1412D105HN-C18 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ADC1412D105HN-C1 | ADC1412D125HN-C18 | ADC1412D065HN-C18 | ADC1410S105HN-C1 | ADC14DS105AISQ/NOPB |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Texas Instruments |
| Package | 64-VFQFPN (9x9) | 64-VFQFPN (9x9) - same | 64-VFQFPN (9x9) - same | 64-VFQFPN (9x9) - same | 64-VFQFPN (9x9) - same | LQFP-48 (different) |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit |
| Number of Channels | 2 (dual, simultaneous) | 2 (dual, simultaneous) | 2 (dual, simultaneous) | 2 (dual, simultaneous) | 1 (single) | 2 (dual) |
| Max Sample Rate | 105 MSPS | 105 MSPS | 125 MSPS | 65 MSPS | 105 MSPS | 105 MSPS |
| Digital Output Mode | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Serial Control Interface | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) |
Ключевые отличия
- Dual simultaneous sampling at 105 MSPS per channel (против ADC1410S105HN-C1)
- Factory-tested CMOS and LVDS DDR output on one device (против ADC12L030CIWM/NOPB (TI 12-bit))
- SPI-programmable full-scale input range (против Discrete fixed-range ADCs)
Заметки по проектированию
The 64-VFQFPN (9x9 mm) exposed pad must be soldered to a continuous ground plane using an array of thermal vias (0.3 mm drill, 1.0 mm pitch) for both electrical reference and thermal dissipation. Place AVDD and DVDD decoupling capacitors as close as possible to each supply pin, using a 10 uF bulk tantalum plus 0.1 uF and 1 nF ceramics in parallel. Match the differential CLK+/CLK- and analog input trace lengths within 0.5 mm to maintain aperture timing accuracy at 105 MSPS per JESD51 layout guidelines for high-speed converters.
Route the LVDS DDR output pairs (D0-D13 and the DDR clock) as 100-ohm differential microstrip on a controlled-impedance stackup. Avoid right-angle bends and keep stubs shorter than 0.15 mm. Place a 100-ohm termination resistor across each LVDS pair at the FPGA receiver. The CMOS mode requires shorter traces (< 25 mm) but eliminates the LVDS termination and reduces FPGA pin count. Choose LVDS DDR above 80 MSPS to halve the clock-edge rate and reduce EMI.
Separate AVDD and DVDD rails using ferrite beads or small inductors to prevent digital switching noise from corrupting the analog reference. Estimate power consumption per channel at 105 MSPS at roughly 200 mW (verify against datasheet). Place a 22 uF bulk capacitor on each analog rail near the IC and a 4.7 uF ceramic within 2 mm of each AVDD pin. The exposed pad also aids heat removal; without continuous via stitching the junction temperature can rise 25-30 C under full load.
Do not route digital outputs adjacent to the analog input traces - cross-coupling can degrade SNR by 5-10 dB. Do not omit the SPI configuration during reset: uninitialized registers default to undefined input ranges and output modes that may draw excessive supply current. Always toggle the SPI CSB line before each transaction to avoid reading stale register data. Confirm the input clock is low-jitter (< 1 ps RMS) - phase noise directly degrades ADC SNR per the formula SNR_limit = 20*log10(Vin_rms/Clock_jitter_rms).
Информация о соответствии
Compliance data not provided in verified web results; markers set to 'unknown' per Data Authenticity Rules. ADC1412D105HN-C18 family intended for industrial/commercial, not automotive AEC-Q100.
