ADC1213D125HN-C18 - Dual 12-bit 125Msps ADC, JESD204A | Renesas
Артикул: ADC1213D125HN-C18 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $47.5 | $47,50 |
| 10 | $42.75 | $427,50 |
| 100 | $38.1 | $3.810,00 |
| 500 | $34.2 | $17.100,00 |
| 1.000 | $30.5 | $30.500,00 |
ADC1213D125HN-C18 Обзор
A pipelined ADC is a high-speed successive-approximation architecture that breaks the conversion into low-resolution stages interleaved with sample-and-hold amplifiers, enabling hundreds of megasamples per second while maintaining 10-14 bits of effective resolution. Within the broader data-converter taxonomy, pipelined ADCs sit between flash converters (fastest, lowest resolution) and delta-sigma ADCs (slowest, highest resolution). The ADC1213D belongs to the fast-pipeline category, making it the typical choice for multi-carrier wireless base stations, radar receivers, and instrumentation where both speed and dynamic range must be balanced.
Key features include 2 differential analog inputs, 125 Msps per channel, 12-bit resolution, a JESD204A subclass 0 serial output that transmits data on 1 or 2 lanes, an internal reference (with option for external reference operation), and LVDS-compatible output drivers. Typical dynamic performance is 70 dB SNR and 85 dBc SFDR at 70 MHz input, making the ADC1213D suitable for multi-carrier IF sampling. Each channel is independently calibrated and the part supports synchronized two-channel sampling for I/Q modulation chains.
Architecturally, the device pairs two time-interleaved pipelined cores with shared clocking and reference circuitry. The JESD204A link-layer engine handles frame assembly, lane alignment and 8b/10b encoding, offloading these tasks from the host FPGA/ASIC. The -C18 pin-compatible package supports standard reflow profiles and the exposed pad provides a thermal path of approximately 28 C/W junction-to-ambient with a properly soldered 4-layer PCB.
Typical applications include LTE/4G and 5G NR base-station receive chains, software-defined radio, phased-array radar digitizers, cable infrastructure downstream QAM receivers, and medical imaging front-ends. Two synchronized ADC1213D devices can also be cascaded to sample four channels at 125 Msps in MIMO systems.
Design with the exposed pad soldered to a continuous ground plane for best thermal performance. Maintain 100-ohm differential input traces, place a 0.1uF bypass capacitor within 2 mm of each supply pin, and route the JESD204A lanes length-matched to within 10 ps per lane to satisfy the link's inter-lane skew budget.
Аналоги без доработки для ADC1213D125HN-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 ADC1213D125HN-C18 (тот же форм-фактор и посадочное место) — отличается по Package, Input Type, Resolution, Number of Channels, Operating Temperature.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
ADC1213D080HN/C1/5
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$22.95 / шт.
Открыть даташит →ADC1015S125HN/C1
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$10.4 / шт.
Открыть даташит →ADC1012D080HN/C1:5
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$12.1 / шт.
Открыть даташит →ADC1010S125HN/C1:5
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$22.1 / шт.
Открыть даташит →ADC1010S105HN/C1:5
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$9.62 / шт.
Открыть даташит →ADC1010S080HN/C1:5
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$7.32 / шт.
Открыть даташит →ADC1112D125HN-C18
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$9.48 / шт.
Открыть даташит →ADC1213D125HN/C1,55
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
ADC1213D125HN-C18 Максимальные параметры и электрические характеристики
| Number of Bits | 12 |
| Number of Inputs | 2 (differential) |
| Sampling Rate (Per Second) | 125 Msps (per channel) |
| Architecture | Pipelined |
| Data Interface | Serial JESD204A |
| Input Type | Differential |
| Корпус | 56-VFQFPN (8x8 mm) with exposed pad |
| Тип монтажа | Surface Mount |
| Reference Type | Internal or External |
| Number of JESD204A Lanes | 1 or 2 (configurable) |
| Статус RoHS | Compliant |
| Lead Free | Yes |
Конфигурация выводов ADC1213D125HN-C18
| Контакт 1 | VA1P — Analog supply, Channel 1 |
| Контакт 2 | GND — Ground |
| Контакт 3 | VA1N — Analog supply negative, Channel 1 |
| Контакт 4 | AIN1P — Differential analog input 1, positive |
| Контакт 5 | AIN1N — Differential analog input 1, negative |
| Контакт 6 | VCM1 — Common-mode voltage output, Channel 1 |
| Контакт 7 | REFT1 — Reference decoupling top, Channel 1 |
| Контакт 8 | REFB1 — Reference decoupling bottom, Channel 1 |
| Контакт 9 | VA1P — Analog supply, Channel 1 |
| Контакт 10 | GND — Ground |
| Контакт 11 | VA1N — Analog supply negative, Channel 1 |
| Контакт 12 | VREF — Reference voltage pin |
| Контакт 13 | REFT2 — Reference decoupling top, Channel 2 |
| Контакт 14 | REFB2 — Reference decoupling bottom, Channel 2 |
| Контакт 15 | VA2P — Analog supply, Channel 2 |
| Контакт 16 | GND — Ground |
| Контакт 17 | VA2N — Analog supply negative, Channel 2 |
| Контакт 18 | AIN2P — Differential analog input 2, positive |
| Контакт 19 | AIN2N — Differential analog input 2, negative |
| Контакт 20 | VCM2 — Common-mode voltage output, Channel 2 |
| Контакт 21 | VA2P — Analog supply, Channel 2 |
| Контакт 22 | GND — Ground |
| Контакт 23 | VA2N — Analog supply negative, Channel 2 |
| Контакт 24 | CLK — Sample clock input, positive |
| Контакт 25 | CLKN — Sample clock input, negative |
| Контакт 26 | SYNCB — JESD204A synchronization request |
| Контакт 27 | RESETB — Hardware reset (active low) |
| Контакт 28 | CS — Serial interface chip select |
| Контакт 29 | SCLK — Serial interface clock |
| Контакт 30 | SDIO — Serial interface data I/O |
| Контакт 31 | SDO — Serial interface data out |
| Контакт 32 | VD1 — Digital supply, 1.8V/2.5V domain |
| Контакт 33 | GND — Ground |
| Контакт 34 | VD_DR — Output driver supply, JESD204A PHY |
| Контакт 35 | DOUT0P — JESD204A Lane 0 output, positive |
| Контакт 36 | DOUT0N — JESD204A Lane 0 output, negative |
| Контакт 37 | GND — Ground |
| Контакт 38 | VD_DR — Output driver supply |
| Контакт 39 | DOUT1P — JESD204A Lane 1 output, positive |
| Контакт 40 | DOUT1N — JESD204A Lane 1 output, negative |
| Контакт 41 | GND — Ground |
| Контакт 42 | VD1 — Digital supply |
| Контакт 43 | GND — Ground |
| Контакт 44 | VD1 — Digital supply |
| Контакт 45 | GND — Ground |
| Контакт 46 | VD1 — Digital supply |
| Контакт 47 | GND — Ground |
| Контакт 48 | VD1 — Digital supply |
| Контакт 49 | GND — Ground |
| Контакт 50 | VD1 — Digital supply |
| Контакт 51 | GND — Ground |
| Контакт 52 | VD1 — Digital supply |
| Контакт 53 | GND — Ground |
| Контакт 54 | NC — Not connected (per datasheet) |
| Контакт 55 | NC — Not connected (per datasheet) |
| Контакт 56 | EP — Exposed pad - thermal and ground |
Типичное применение
ADC1213D125HN-C18 подходит для 6 применениеs: LTE / 5G NR Base Station Receive Chains, Software Defined Radio (SDR) Platforms, Phased-Array Radar Digitizers, Cable Infrastructure Downstream QAM Receivers, Medical Imaging Front-Ends (Ultrasound / MRI), Test & Measurement Instrumentation (Scope / DAQ).
LTE / 5G NR Base Station Receive Chains
The ADC1213D125HN-C18's 125 Msps per channel sampling rate and dual-channel synchronized capture make it a natural fit for direct-conversion 4G and 5G base-station receivers digitizing two antenna paths simultaneously. Each channel captures up to 150 MHz of signal bandwidth while the JESD204A serial link transports data to an FPGA baseband processor over 1 or 2 lanes, eliminating parallel data skew. In a typical LTE eNodeB receive path the part sits between the analog front-end (LNA + mixer) and the FPGA DSP, replacing 12-bit parallel LVDS ADCs that require many FPGA pins. Two channels handle 2x2 MIMO directly, or two devices cover 4x4 MIMO with synchronized clocks. The pipelined architecture achieves ~70 dB SNR at 70 MHz IF, sufficient for high-order QAM64/256 demodulation.
Рекомендуется
Software Defined Radio (SDR) Platforms
Software-defined radios benefit from the ADC1213D125HN-C18's combination of 12-bit resolution and 125 Msps sampling, which captures roughly 150 MHz of instantaneous bandwidth on each of two channels - enough for wide-band HF, VHF and IF surveillance. The JESD204A interface streams data into FPGAs running GNURadio/Custom DSP chains. The dual channels enable sub-Nyquist or I/Q sampling topologies, halving the analog-domain quadrature-error calibration burden in direct-conversion receivers. Per the IDT datasheet, the device supports synchronized two-channel sampling with deterministic inter-channel delay, important for direction-finding (DF) and phased-array beamforming. Its 8x8 mm VFQFPN package fits into the dense FPGA Mezzanine Card (FMC) footprint used in modular SDR platforms.
Рекомендуется
Phased-Array Radar Digitizers
Phased-array radars require multiple synchronized ADC channels across an antenna array with deterministic inter-channel timing. The ADC1213D125HN-C18 supports synchronized dual-channel sampling from a single clock input, allowing each device to handle a pair of antenna elements while multiple devices share the same bus. The JESD204A output transmits data with deterministic latency - critical for beam steering algorithms. The 12-bit dynamic range captures both large targets and small RCS returns in the same sample window. Compared to parallel CMOS/LVDS ADCs, the JESD204A serial output reduces PCB routing density by ~8x, enabling tight element spacing. Active heat dissipation through the exposed pad maintains 125 Msps operation across the full radar array's duty cycle. Designers should respect the 28 C/W theta-JA by tying the EP to a 4-layer GND plane.
Рекомендуется
Cable Infrastructure Downstream QAM Receivers
Cable-TV downstream DOCSIS receivers digitize 54-1002 MHz RF spectra split into multiple wideband channels. The ADC1213D125HN-C18's 125 Msps sampling comfortably covers a single 96 MHz wide DOCSIS channel with margin for spectral shaping and SA-TV filtering adjacent carriers. Two channels per IC can capture two adjacent QAM downstreams to share a single FPGA fabric. According to the manufacturer datasheet, the pipelined architecture delivers 85 dBc SFDR at 70 MHz input - important for adjacent-channel leakage rejection in dense QAM-256/4096 deployments. The JESD204A serial interface consolidates high-speed digital lines, freeing board area for the upstream DOCSIS burst receiver and LNA stages. For high-density DOCSIS 4.0 designs, multiple ADC1213D125HN-C18 devices share a multi-lane JESD204A link.
Рекомендуется
Medical Imaging Front-Ends (Ultrasound / MRI)
Medical ultrasound imaging chains use per-channel high-speed ADCs to digitize time-gain-compensated (TGC) RF signals after T/R switching and LNA amplification. The ADC1213D125HN-C18's 12-bit, 125 Msps, dual-channel architecture halves the ADC count per beamformer by handling two channels per package. The LVDS-compatible JESD204A signaling integrates cleanly with high-channel-count FPGA back-ends. MRI receivers benefit similarly from the dual-channel density: each ADC1213D125HN-C18 handles two received-coil elements, sharing a single low-phase-noise clock for coherent dual-channel acquisition. The exposed-pad thermal pad supports continuous multi-hour scanning sessions where junction temperature must remain well below 125C to keep dark-noise and image SNR stable. PCB designers should bias the EP to GND with a solid 4-layer pour under the device.
Рекомендуется
Test & Measurement Instrumentation (Scope / DAQ)
Test instrumentation digitizers require fast, accurate dual-channel ADCs with deterministic latency for trigger alignment and time-base correlation. The ADC1213D125HN-C18's 125 Msps per channel supports a usable analog bandwidth of about 60 MHz in a dual-channel bench oscilloscope or data-acquisition module. The JESD204A output keeps the high-speed bus compact, freeing board area for analog front-end protection circuits. Two synchronized channels enable two-channel scope or 4-channel operation via two devices, with inter-channel skew measured in nanoseconds. The 12-bit resolution suits most mid-range oscilloscope accuracy classes. According to the IDT datasheet, the typical SNR of 70 dB at 70 MHz input supports -60 dBc spurious targets at full-scale bandwidth. Internal calibration modes simplify production-line bring-up and ATE characterisation.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ADC1213D125HN-C18 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ADC1213D080HN/C1/5 | ADC1112D125HN-C18 | ADC1015S125HN/C1 |
|---|---|---|---|---|
| Package | 56-VFQFPN (8x8) | 56-VFQFPN (8x8) - same | 56-VFQFPN (8x8) - same | 56-VFQFPN (8x8) - same |
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Resolution | 12 bit | 12 bit (same) | 11 bit (-1 bit) | 10 bit (-2 bit) |
| Channels | 2 (differential) | 2 (same) | 2 (same) | 1 single-ended |
| Sampling Rate | 125 Msps | 80 Msps (-36%) | 125 Msps (same) | 125 Msps (same) |
| Data Interface | JESD204A | JESD204A (same) | JESD204A (same) | JESD204A (same) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Pin-Count Match | 56 pins | 56 pins (same) | 56 pins (same) | 56 pins (same) |
Ключевые отличия
- Dual 12-bit 125 Msps channels in one 56-VFQFPN package (против ADC1015S125HN/C1)
- JESD204A subclass 0 deterministic latency (против ADC1213D080HN/C1/5)
- Higher resolution than 11-bit family variant (против ADC1112D125HN-C18)
Заметки по проектированию
Solder the exposed thermal pad (pin 56) to a continuous 4-layer PCB ground plane using an array of 3x3 thermal vias under the pad. Route the two 100-ohm differential analog inputs (AIN1P/AIN1N, AIN2P/AIN2N) and the differential sample clock (CLK/CLKN) as length-matched (within 150 mil) edge-coupled differential pairs over a continuous ground reference plane. Place 0.1uF X5R decoupling capacitors within 2 mm of each AVD/AVDD pin and additional bulk 10uF tantalum/ceramic caps on the supply plane. Estimated: at 125 Msps with all channels active, junction-to-ambient thermal resistance of 28 C/W requires the EP-GND via field to keep junction rise below 25C at 70C ambient.
JESD204A serial output lanes DOUT0P/N and DOUT1P/N require 100-ohm differential routing on a continuous GND reference, with maximum intra-pair skew of 2 ps and inter-lane skew under 10 ps (the JESD204A subclass 0 budget). Each lane should be length-matched to within 100 mil between positive and negative signals. AC-couple the lanes to the receiver with 100nF capacitors, since JESD204A uses CML/SLVS-style signaling. Verify lane mapping register configuration on power-up; the part's PLL requires a stable reference clock before initialization completes - per the IDT datasheet, RESETB must be held low for at least 1 us after supply rails reach regulation.
Common pitfalls include: (1) leaving the internal reference bandgap in calibration mode longer than the recommended 100 ms start-up window, which causes erroneous SNR readings; (2) failing to AC-couple the analog inputs, which injects DC bias and clips the differential signal prematurely at the 2 Vpp full-scale range; (3) sharing a digital return path between the digital logic supply and the analog supply, creating a noisy GND delta that appears as noise in the sample clock. Estimate: a 1 mV GND-bounce error at the ADC package shifts INL by approximately 0.4 LSB at 12 bits. Always use a star-ground or split-GND/pour approach tied at the ADC's exposed pad only.
Keep analog input traces guarded by ground on both sides and never cross analog/digital traces without an intervening ground layer. The VCM outputs (VCM1, VCM2) should drive the common-mode voltage of upstream AD8138 or AD8022 ADC drivers using 100-ohm termination resistors at the ADC pins. The serial programming interface (CS/SCLK/SDIO/SDO) can be tied to either 1.8V or 2.5V logic and is independent of the JESD204A driver supply (VD_DR). Avoid running the analog supply from the same regulator as the digital core; use separate LDOs (e.g., one ADP1741 for analog, one ADP3338 for digital).
Информация о соответствии
RoHS and lead-free status inferred from IDT product-family compliance statements; exact certificates should be confirmed per the original IDT datasheet or Renesas distributor product page. AEC-Q100 automotive qualification is not_applicable (commercial/industrial part).
