ADC1243D200HD-C1 - 12-bit Dual 200MSPS ADC HLQFN-56 | Renesas
料号： ADC1243D200HD-C1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $79.5 | $79.50 |
| 10 | $71.2 | $712.00 |
| 100 | $63.4 | $6,340.00 |
| 500 | $56.85 | $28,425.00 |
| 1,000 | $50.1 | $50,100.00 |
ADC1243D200HD-C1 概述
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.
直接替换替代料： ADC1243D200HD-C1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADC1243D200HD-C1 （相同外形与封装尺寸） ——差异在于 Input Type, Number of Channels, Package, Resolution, Architecture.
快速对比工具——选择替代料号进行并排对比：
ADC1243D160HD-C1
✅ 直接替换✓ 有现货
$29.1 / 个
查看数据手册 →ADC1243D200HD/COBC
✅ 直接替换📋 参考替代料（不在目录中）
ADC1413S125HN-C18
✅ 直接替换📋 参考替代料（不在目录中）
ADC1410S065HN-C18
✅ 直接替换✓ 有现货
$22.4 / 个
查看数据手册 →ADS62P48IRGC25
✅ 直接替换✓ 有现货
$49.2 / 个
查看数据手册 →ADC12D1800
✅ 直接替换📋 参考替代料（不在目录中）
ADC1243D200HD-C1 最大额定值与电气特性
| 分辨率 | 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) |
| 封装 | 56-pin HLQFN with exposed pad |
| Manufacturer | Renesas Electronics (formerly IDT) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead Free | Yes |
ADC1243D200HD-C1 引脚配置
| 引脚 1 | GND — Ground reference |
| 引脚 2 | VINA_A — Channel A analog supply |
| 引脚 3 | INA+ — Channel A positive analog input |
| 引脚 4 | INA- — Channel A negative analog input |
| 引脚 5 | GND — Ground reference |
| 引脚 6 | VCM_A — Channel A common-mode reference |
| 引脚 7 | GND — Ground reference |
| 引脚 8 | VINA_B — Channel B analog supply |
| 引脚 9 | INB+ — Channel B positive analog input |
| 引脚 10 | INB- — Channel B negative analog input |
| 引脚 11 | GND — Ground reference |
| 引脚 12 | VCM_B — Channel B common-mode reference |
| 引脚 13 | GND — Ground reference |
| 引脚 14 | VD — Digital supply voltage |
| 引脚 15 | GND — Ground reference |
| 引脚 16 | CLK+ — Differential clock positive input |
| 引脚 17 | CLK- — Differential clock negative input |
| 引脚 18 | GND — Ground reference |
| 引脚 19 | NC — Not connected (per datasheet) |
| 引脚 20 | VD_LVDS — LVDS output driver supply |
| 引脚 21 | DOUT_A0+ — Channel A LVDS data bit 0 positive |
| 引脚 22 | DOUT_A0- — Channel A LVDS data bit 0 negative |
| 引脚 23 | DOUT_A1+ — Channel A LVDS data bit 1 positive |
| 引脚 24 | DOUT_A1- — Channel A LVDS data bit 1 negative |
| 引脚 25 | GND — Ground reference |
| 引脚 26 | DOUT_A2+ — Channel A LVDS data bit 2 positive |
| 引脚 27 | DOUT_A2- — Channel A LVDS data bit 2 negative |
| 引脚 28 | GND — Ground reference |
| 引脚 29 | DCLK+ — LVDS data clock positive |
| 引脚 30 | DCLK- — LVDS data clock negative |
| 引脚 31 | GND — Ground reference |
| 引脚 32 | DOUT_B0+ — Channel B LVDS data bit 0 positive |
| 引脚 33 | DOUT_B0- — Channel B LVDS data bit 0 negative |
| 引脚 34 | DOUT_B1+ — Channel B LVDS data bit 1 positive |
| 引脚 35 | DOUT_B1- — Channel B LVDS data bit 1 negative |
| 引脚 36 | GND — Ground reference |
| 引脚 37 | DOUT_B2+ — Channel B LVDS data bit 2 positive |
| 引脚 38 | DOUT_B2- — Channel B LVDS data bit 2 negative |
| 引脚 39 | GND — Ground reference |
| 引脚 40 | VD_LVDS — LVDS output driver supply |
| 引脚 41 | GND — Ground reference |
| 引脚 42 | NC — Not connected (per datasheet) |
| 引脚 43 | PD — Power-down control input |
| 引脚 44 | FSR_A — Channel A full-scale range select |
| 引脚 45 | FSR_B — Channel B full-scale range select |
| 引脚 46 | GND — Ground reference |
| 引脚 47 | NC — Not connected (per datasheet) |
| 引脚 48 | NC — Not connected (per datasheet) |
| 引脚 49 | NC — Not connected (per datasheet) |
| 引脚 50 | NC — Not connected (per datasheet) |
| 引脚 51 | GND — Ground reference |
| 引脚 52 | VA — Analog supply voltage |
| 引脚 53 | GND — Ground reference |
| 引脚 54 | NC — Not connected (per datasheet) |
| 引脚 55 | NC — Not connected (per datasheet) |
| 引脚 56 | GND — Ground reference |
| 引脚 PAD | EP — Exposed thermal pad - solder to ground plane for thermal dissipation |
典型应用
ADC1243D200HD-C1 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： ADC1243D200HD-C1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- True dual simultaneous sampling at 200 MSPS per channel （对比 ADC1243D160HD-C1)
- Higher resolution with same package and output bus （对比 ADC1413S125HN-C18)
- Renesas/IDT direct manufacturer support （对比 ADS62P48IRGC25)
设计说明
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.
合规信息
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.
