ADC1213D125HN-C18 - Dual 12-bit 125Msps ADC, JESD204A | Renesas
MPN: ADC1213D125HN-C18 ✗ Cuối đờiADC1213D125HN-C18 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho ADC1213D125HN-C18 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ADC1213D125HN-C18 (cùng hình factor và footprint) — khác nhau ở Package, Input Type, Resolution, Number of Channels, Operating Temperature.
ADC1213D080HN/C1/5
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1015S125HN/C1
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1012D080HN/C1:5
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1010S125HN/C1:5
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1010S105HN/C1:5
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1010S080HN/C1:5
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1112D125HN-C18
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC1213D125HN/C1,55
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ADC1213D125HN-C18 Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 56-VFQFPN (8x8 mm) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Reference Type | Internal or External |
| Number of JESD204A Lanes | 1 or 2 (configurable) |
| Trạng thái RoHS | Compliant |
| Lead Free | Yes |
Cấu hình chân ADC1213D125HN-C18
| Chân 1 | VA1P — Analog supply, Channel 1 |
| Chân 2 | GND — Ground |
| Chân 3 | VA1N — Analog supply negative, Channel 1 |
| Chân 4 | AIN1P — Differential analog input 1, positive |
| Chân 5 | AIN1N — Differential analog input 1, negative |
| Chân 6 | VCM1 — Common-mode voltage output, Channel 1 |
| Chân 7 | REFT1 — Reference decoupling top, Channel 1 |
| Chân 8 | REFB1 — Reference decoupling bottom, Channel 1 |
| Chân 9 | VA1P — Analog supply, Channel 1 |
| Chân 10 | GND — Ground |
| Chân 11 | VA1N — Analog supply negative, Channel 1 |
| Chân 12 | VREF — Reference voltage pin |
| Chân 13 | REFT2 — Reference decoupling top, Channel 2 |
| Chân 14 | REFB2 — Reference decoupling bottom, Channel 2 |
| Chân 15 | VA2P — Analog supply, Channel 2 |
| Chân 16 | GND — Ground |
| Chân 17 | VA2N — Analog supply negative, Channel 2 |
| Chân 18 | AIN2P — Differential analog input 2, positive |
| Chân 19 | AIN2N — Differential analog input 2, negative |
| Chân 20 | VCM2 — Common-mode voltage output, Channel 2 |
| Chân 21 | VA2P — Analog supply, Channel 2 |
| Chân 22 | GND — Ground |
| Chân 23 | VA2N — Analog supply negative, Channel 2 |
| Chân 24 | CLK — Sample clock input, positive |
| Chân 25 | CLKN — Sample clock input, negative |
| Chân 26 | SYNCB — JESD204A synchronization request |
| Chân 27 | RESETB — Hardware reset (active low) |
| Chân 28 | CS — Serial interface chip select |
| Chân 29 | SCLK — Serial interface clock |
| Chân 30 | SDIO — Serial interface data I/O |
| Chân 31 | SDO — Serial interface data out |
| Chân 32 | VD1 — Digital supply, 1.8V/2.5V domain |
| Chân 33 | GND — Ground |
| Chân 34 | VD_DR — Output driver supply, JESD204A PHY |
| Chân 35 | DOUT0P — JESD204A Lane 0 output, positive |
| Chân 36 | DOUT0N — JESD204A Lane 0 output, negative |
| Chân 37 | GND — Ground |
| Chân 38 | VD_DR — Output driver supply |
| Chân 39 | DOUT1P — JESD204A Lane 1 output, positive |
| Chân 40 | DOUT1N — JESD204A Lane 1 output, negative |
| Chân 41 | GND — Ground |
| Chân 42 | VD1 — Digital supply |
| Chân 43 | GND — Ground |
| Chân 44 | VD1 — Digital supply |
| Chân 45 | GND — Ground |
| Chân 46 | VD1 — Digital supply |
| Chân 47 | GND — Ground |
| Chân 48 | VD1 — Digital supply |
| Chân 49 | GND — Ground |
| Chân 50 | VD1 — Digital supply |
| Chân 51 | GND — Ground |
| Chân 52 | VD1 — Digital supply |
| Chân 53 | GND — Ground |
| Chân 54 | NC — Not connected (per datasheet) |
| Chân 55 | NC — Not connected (per datasheet) |
| Chân 56 | EP — Exposed pad - thermal and ground |
Ứng dụng tiêu biểu
ADC1213D125HN-C18 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADC1213D125HN-C18 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- Dual 12-bit 125 Msps channels in one 56-VFQFPN package (vsADC1015S125HN/C1)
- JESD204A subclass 0 deterministic latency (vsADC1213D080HN/C1/5)
- Higher resolution than 11-bit family variant (vsADC1112D125HN-C18)
Ghi chú thiết kế
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).
Thông tin tuân thủ
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).
