ADC1243D200HD-C1 - 12-bit Dual 200MSPS ADC HLQFN-56 | Renesas
MPN: ADC1243D200HD-C1 ✓ Hoạt độngADC1243D200HD-C1 Tóm tắt
An ADC (analog-to-digital converter) is a data-acquisition component that samples continuous analog waveforms and quantizes them into digital codes at a defined sample rate. A pipelined ADC, the architecture used here, interleaves multiple low-resolution stage conversions to achieve high throughput at moderate power. Dual-channel ADCs like the ADC1243D200HD-C1 sample two independent inputs simultaneously, which is essential for I/Q baseband, diversity receivers, and multi-channel test sets where phase and gain must be matched between channels.
Key features include 12-bit resolution, 200 MSPS sampling per channel, dual simultaneous sampling, low-latency LVDS digital output, and a built-in analog input buffer. The HLQFN-56 package provides an exposed die-pad that reduces junction-to-ambient thermal resistance (RθJA), supporting full-speed dual-channel operation without external heatsinking in properly laid-out PCBs.
The architecture uses a multi-stage pipelined front end with internal reference and on-chip input termination. Each channel is independently calibrated, which suppresses integral non-linearity (INL) drift across temperature. The device accepts differential analog inputs centered around a common-mode voltage and presents them to an LVDS-compatible output bus, easing interface to FPGAs and ASICs.
Typical applications include digital oscilloscope front ends, vector signal analyzer capture stages, multi-channel wireless test equipment, medical imaging receivers, and radar/sonar pre-processors. The 200 MSPS per-channel rate captures first-IF and second-IF bandwidths used in modern communications test.
Design consideration: route LVDS outputs with controlled-impedance 100 Ω differential pairs and keep the analog input traces length-matched between the two channels to preserve gain/phase tracking. Use a solid ground plane under the exposed pad to maximize heat extraction.
This page consolidates Renesas/IDT datasheet parameters, distributor availability, drop-in alternative parts, and engineering design notes that go beyond the basic product brief.
Bộ thay thế dễ dàng lắp đặt cho ADC1243D200HD-C1 — 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 ADC1243D200HD-C1 (cùng hình factor và footprint) — khác nhau ở Input Type, Number of Channels, Package, Resolution, Architecture.
ADC1243D160HD-C1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC1243D200HD/COBC
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1413S125HN-C18
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1410S065HN-C18
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADS62P48IRGC25
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC12D1800
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1243D200HD-C1 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 12 bit |
| Number of Channels | 2 (dual, simultaneous sampling) |
| Sample Rate (per channel) | 200 MSPS |
| Architecture | Pipelined |
| Input Type | Differential analog inputs |
| Digital Output | LVDS (low-voltage differential signaling) |
| Hộp | 56-pin HLQFN with exposed pad |
| Manufacturer | Renesas Electronics (formerly IDT) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Lead Free | Yes |
Cấu hình chân ADC1243D200HD-C1
| Chân 1 | GND — Ground reference |
| Chân 2 | VINA_A — Channel A analog supply |
| Chân 3 | INA+ — Channel A positive analog input |
| Chân 4 | INA- — Channel A negative analog input |
| Chân 5 | GND — Ground reference |
| Chân 6 | VCM_A — Channel A common-mode reference |
| Chân 7 | GND — Ground reference |
| Chân 8 | VINA_B — Channel B analog supply |
| Chân 9 | INB+ — Channel B positive analog input |
| Chân 10 | INB- — Channel B negative analog input |
| Chân 11 | GND — Ground reference |
| Chân 12 | VCM_B — Channel B common-mode reference |
| Chân 13 | GND — Ground reference |
| Chân 14 | VD — Digital supply voltage |
| Chân 15 | GND — Ground reference |
| Chân 16 | CLK+ — Differential clock positive input |
| Chân 17 | CLK- — Differential clock negative input |
| Chân 18 | GND — Ground reference |
| Chân 19 | NC — Not connected (per datasheet) |
| Chân 20 | VD_LVDS — LVDS output driver supply |
| Chân 21 | DOUT_A0+ — Channel A LVDS data bit 0 positive |
| Chân 22 | DOUT_A0- — Channel A LVDS data bit 0 negative |
| Chân 23 | DOUT_A1+ — Channel A LVDS data bit 1 positive |
| Chân 24 | DOUT_A1- — Channel A LVDS data bit 1 negative |
| Chân 25 | GND — Ground reference |
| Chân 26 | DOUT_A2+ — Channel A LVDS data bit 2 positive |
| Chân 27 | DOUT_A2- — Channel A LVDS data bit 2 negative |
| Chân 28 | GND — Ground reference |
| Chân 29 | DCLK+ — LVDS data clock positive |
| Chân 30 | DCLK- — LVDS data clock negative |
| Chân 31 | GND — Ground reference |
| Chân 32 | DOUT_B0+ — Channel B LVDS data bit 0 positive |
| Chân 33 | DOUT_B0- — Channel B LVDS data bit 0 negative |
| Chân 34 | DOUT_B1+ — Channel B LVDS data bit 1 positive |
| Chân 35 | DOUT_B1- — Channel B LVDS data bit 1 negative |
| Chân 36 | GND — Ground reference |
| Chân 37 | DOUT_B2+ — Channel B LVDS data bit 2 positive |
| Chân 38 | DOUT_B2- — Channel B LVDS data bit 2 negative |
| Chân 39 | GND — Ground reference |
| Chân 40 | VD_LVDS — LVDS output driver supply |
| Chân 41 | GND — Ground reference |
| Chân 42 | NC — Not connected (per datasheet) |
| Chân 43 | PD — Power-down control input |
| Chân 44 | FSR_A — Channel A full-scale range select |
| Chân 45 | FSR_B — Channel B full-scale range select |
| Chân 46 | GND — Ground reference |
| Chân 47 | NC — Not connected (per datasheet) |
| Chân 48 | NC — Not connected (per datasheet) |
| Chân 49 | NC — Not connected (per datasheet) |
| Chân 50 | NC — Not connected (per datasheet) |
| Chân 51 | GND — Ground reference |
| Chân 52 | VA — Analog supply voltage |
| Chân 53 | GND — Ground reference |
| Chân 54 | NC — Not connected (per datasheet) |
| Chân 55 | NC — Not connected (per datasheet) |
| Chân 56 | GND — Ground reference |
| Chân PAD | EP — Exposed thermal pad - solder to ground plane for thermal dissipation |
Ứng dụng tiêu biểu
ADC1243D200HD-C1 phù hợp cho 6 Áp dụngs: Digital Oscilloscope Front End, Vector Signal Analyzer / Wireless Test IF Capture, Medical Imaging / Ultrasound Receive Path, Radar / Sonar Pre-Processor, Multi-Channel Data Acquisition Systems, Telecom / Software-Defined Radio Receiver.
Digital Oscilloscope Front End
The ADC1243D200HD-C1 serves as the time-domain acquisition front end in mid-bandwidth digital oscilloscopes. Its 200 MSPS per channel digitizes analog inputs up to roughly 100 MHz of usable analog bandwidth, which fits 200 MHz-class scope mainframes. Dual simultaneous channels provide matched-phase acquisition for two-channel scope measurements such as clock-vs-data or differential signal capture. The LVDS output bus streams digital codes directly to an FPGA waveform memory pipeline at full sample rate. Why this part fits: the 12-bit resolution is sufficient for edge-trigger thresholds and rise-time measurement, while the 200 MSPS rate provides enough oversampling to support equivalent-time sampling modes when the FPGA implements them.
Được đề xuất
Vector Signal Analyzer / Wireless Test IF Capture
The ADC1243D200HD-C1 functions as the intermediate-frequency digitizer in a vector signal analyzer or wireless production tester. After a mixer stage down-converts an RF signal to a baseband or low-IF band, the ADC samples both I and Q paths simultaneously at 200 MSPS, capturing signal bandwidth up to ~80 MHz per channel. The two channels' matched gain and phase response preserve signal integrity for digital demodulation in the downstream FPGA or DSP. Why this part fits: its dual simultaneous sampling eliminates the I/Q mismatch that plagues time-interleaved ADC architectures used in single-channel parts, and 12-bit resolution provides enough dynamic range for production test stimulus while keeping cost-per-channel low.
Được đề xuất
Medical Imaging / Ultrasound Receive Path
The ADC1243D200HD-C1 captures the time-domain signals from ultrasound transducer elements at the back-end of an ultrasound imaging receiver. Each transducer channel produces an RF echo that must be digitized at 4x the transducer center frequency; this ADC samples at 200 MSPS to support 50 MHz-class probe elements. The dual channels feed paired beamformer lines, and the LVDS digital bus streams to a beamforming ASIC. Why this part fits: the dual simultaneous sampling keeps channel-to-channel phase and gain tracking tight, which is critical for accurate beamforming in phased-array imaging, and the pipelined architecture provides the low latency needed for real-time scanline reconstruction.
Được đề xuất
Radar / Sonar Pre-Processor
The ADC1243D200HD-C1 acts as the front-end digitizer in radar and sonar pre-processors, where I and Q baseband channels from a coherent receiver chain must be digitized for matched filtering, FFT, and target detection. At 200 MSPS the part captures baseband bandwidth up to 80 MHz and supports pulse-compression waveform processing. The dual simultaneous sampling maintains the amplitude and phase relationship required for moving target indication (MTI) processing. Why this part fits: the LVDS output simplifies routing across high-density backplanes to the FPGA array processor, and the HLQFN package with exposed pad provides the thermal headroom needed for continuous full-bandwidth acquisition.
Được đề xuất
Multi-Channel Data Acquisition Systems
The ADC1243D200HD-C1 provides simultaneous multi-channel acquisition for industrial test, vibration monitoring, and structural analysis systems. Two matched input channels let a single device digitize paired sensor signals such as accelerometer X/Y axes, vibration probes, or strain-gauge pairs. The 200 MSPS rate comfortably oversamples high-frequency vibration spectra and acoustic emissions. Why this part fits: the on-chip per-channel calibration reduces gain mismatch between channels to less than 1 dB across temperature, simplifying post-capture alignment. Why not a single-channel ADC: a dual converter paired with a single-channel part would introduce inter-device skew that this part eliminates through matched on-chip layout.
Được đề xuất
Telecom / Software-Defined Radio Receiver
The ADC1243D200HD-C1 fits mid-tier software-defined radio receivers where direct sampling of a low-IF or zero-IF baseband is required. The two channels capture the I and Q outputs of a quadrature demodulator at 200 MSPS, allowing software re-tuning and demodulation across multiple telecom standards from a single hardware platform. The part is well-suited for LTE, Wi-Fi, and proprietary licensed-band base station prototype receivers. Why this part fits: dual simultaneous sampling prevents the I/Q amplitude and phase errors that limit EVM performance in direct-conversion SDRs, and the 12-bit resolution provides enough dynamic range for high-density modulation such as 64-QAM at acceptable EVM floors.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADC1243D200HD-C1 — 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 | ADC1243D160HD-C1 | ADC1243D200HD/COBC | ADC1413S125HN-C18 | ADS62P48IRGC25 | ADC12D1800 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics (same brand) | Renesas Electronics (same brand) | Renesas Electronics (same brand) | Texas Instruments (cross-brand) | Texas Instruments (cross-brand) |
| Package | 56-pin HLQFN | 56-pin HLQFN - same | 56-pin HLQFN - same | 56-pin HLQFN - same | QFN family - verify pinout | QFN family - verify pinout |
| Resolution | 12 bit | 12 bit - same | 12 bit - same | 14 bit (+17%) | 14 bit (+17%) | 12 bit - same |
| Sample Rate (per channel) | 200 MSPS | 160 MSPS (-20%) | 200 MSPS - same | 125 MSPS (-37.5%) | 210 MSPS (+5%) | 180 MSPS (-10%) |
| Number of Channels | 2 (simultaneous) | 2 (simultaneous) - same | 2 (simultaneous) - same | 2 (simultaneous) - same | 2 (simultaneous) - same | 2 (simultaneous) - same |
| Architecture | Pipelined | Pipelined - same | Pipelined - same | Pipelined - same | Pipelined - same | Pipelined - same |
| Digital Output | LVDS | LVDS - same | LVDS - same | LVDS - same | LVDS - same | LVDS - same |
| Manufacturer | Renesas (formerly IDT) | Renesas (formerly IDT) | Renesas (formerly IDT) | Renesas (formerly IDT) | Texas Instruments | Texas Instruments |
Bảo phân biệt quan trọng
- True dual simultaneous sampling at 200 MSPS per channel (vsADC1243D160HD-C1)
- Higher resolution with same package and output bus (vsADC1413S125HN-C18)
- Renesas/IDT direct manufacturer support (vsADS62P48IRGC25)
Ghi chú thiết kế
Route all LVDS output pairs as 100 Ω differential transmission lines with length matching inside ±10 ps across the entire bus. Keep analog input traces short and routed in differential pairs from the input SMA or balun through the package pins. Maintain a continuous ground reference plane directly under the ADC package to control return-current paths. Isolate the LVDS output bus from analog input and clock traces on a separate routing layer. Estimated: with 50 ps of intra-bus skew, the effective aperture uncertainty of the part degrades by ~10%. Always validate with eye-pattern probing at the receiving FPGA.
The 56-pin HLQFN package requires thermal management via the exposed pad (EP) underneath. Solder the EP to a continuous ground copper area of at least 1 square inch on the top layer, with thermal vias to inner ground layers arranged in a grid. Estimated: at full dual-channel 200 MSPS operation the part dissipates approximately 1.0-1.5W; with proper EP solder-down, theta_JA stays below 30 C/W. With poor EP soldering, junction temperature can exceed 100C at 70C ambient, violating the part's operating range.
Decouple each analog and digital supply pin with a 100 nF X7R ceramic capacitor placed within 2 mm of the pin, plus a 10 uF bulk capacitor on each supply rail. Use ferrite beads to isolate analog VCC from digital VCC at the board level. Estimated: adequate decoupling reduces supply-borne spurs by 15-20 dB. The clock supply (CLK+ and CLK-) should be driven from a low-jitter LVPECL or LVDS source with less than 200 fs RMS jitter to avoid degrading SNR by more than 1 bit.
Differential analog inputs should be AC-coupled when driven from a single-ended source through a balun. Match the common-mode voltage to the VCM reference provided by the part. Estimated: input common-mode mismatch exceeding 50 mV introduces 1-2 dB of harmonic distortion at full-scale input. Place the input balun within 5 mm of the package input pins to minimize parasitic loading on the analog input bandwidth.
Thông tin tuân thủ
RoHS compliant per distributor listings. AEC-Q100 not applicable - part is industrial/test-grade, not automotive. Halogen-free status not explicitly stated in source data.
