IDTADC1212D105HN-C1 - Dual 12-bit 105MSPS ADC | Renesas | 64-VFQFPN
料号： IDTADC1212D105HN-C1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.8 | $168.00 |
| 100 | $14.95 | $1,495.00 |
| 500 | $13.2 | $6,600.00 |
| 1,000 | $11.85 | $11,850.00 |
IDTADC1212D105HN-C1 概述
An analog-to-digital converter (ADC) is a data-acquisition component that translates continuous analog signals into discrete digital codes for downstream DSP, FPGA, or processor consumption. Pipeline ADCs like the ADC1212D use a multi-stage architecture with per-stage sample-and-hold and residue amplification, achieving high sampling rates with low latency at moderate resolution. The 12-bit class sits between 10-bit general-purpose converters and 14-16 bit precision converters, serving communications, imaging, and test-equipment applications where moderate dynamic range is acceptable.
Key features of the IDTADC1212D105HN-C1 include dual 12-bit conversion channels at 105 MSPS, integrated input buffer and sample-and-hold, selectable CMOS or LVDS DDR output interfaces, and a wide input common-mode range. The pipelined architecture provides consistent latency from sample to output, simplifying synchronization in multi-channel systems. Power consumption is held modest through the use of CMOS output stages.
Typical applications include communications base-station receive paths, medical imaging front-ends, radar and sonar signal processing, industrial inspection cameras, and general-purpose data-acquisition cards. The exposed-pad package ensures a low thermal resistance, enabling sustained high sampling rates without thermal throttling in enclosed chassis.
When designing with this device, ensure the exposed pad is soldered to a continuous ground plane for thermal dissipation and ground return. Use differential clock inputs to minimize jitter; LVDS DDR outputs require a 100 ohm termination at the receiver. The internal reference may be bypassed for precision applications.
直接替换替代料： IDTADC1212D105HN-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： IDTADC1212D105HN-C1 （相同外形与封装尺寸） ——差异在于 Input Type, Package, Sampling Rate, Configuration, Data Interface.
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请求替代料IDTADC1212D105HN-C1 最大额定值与电气特性
| 分辨率 | 12 bit |
| Number of Channels | 2 (Dual) |
| 采样率 | 105 MSPS |
| Architecture | Pipelined |
| Input Type | Single-Ended / Differential |
| Digital Output Interface | CMOS or LVDS DDR (selectable) |
| 封装 | 64-VFQFPN Exposed Pad (9x9 mm) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
IDTADC1212D105HN-C1 64-vfqfpn exposed pad (9x9 mm) 引脚配置指南
IDTADC1212D105HN-C1（64-vfqfpn exposed pad (9x9 mm) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： IDTADC1212D105HN-C1.
请参阅 数据手册 以查看完整引脚配置。
典型应用
IDTADC1212D105HN-C1 适用于 6 应用s: Communications Receiver IF Sampling, Medical Ultrasound Beamforming, Radar and Sonar Signal Processing, Industrial Inspection Camera Front-End, General-Purpose Data Acquisition Card, Software-Defined Radio Modem.
Communications Receiver IF Sampling
The IDTADC1212D105HN-C1 is well-suited to communications receiver intermediate-frequency (IF) sampling in software-defined radio and base-station designs. The dual-channel architecture allows simultaneous sampling of I and Q signal paths at 105 MSPS each, providing 210 MSPS aggregate throughput for direct-IF digitization of signals in the 30-70 MHz range. The LVDS DDR output mode minimizes pin count and EMI when interfacing to FPGAs such as Xilinx Kintex or Altera Stratix. The 12-bit resolution delivers approximately 70 dB SNR, adequate for demodulation of QAM and QPSK waveforms in LTE and 5G NR receiver chains. The pipelined architecture provides consistent conversion latency, simplifying channel equalization in multi-antenna MIMO systems.
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Medical Ultrasound Beamforming
In medical ultrasound imaging systems, the IDTADC1212D105HN-C1 serves as the per-channel analog-to-digital converter that digitizes the receive signal from each transducer element after the time-gain-compensation (TGC) stage. The dual-channel design lets one ADC handle two adjacent transducer channels, reducing board area and BOM cost in 64-channel and 128-channel probes. Sampling at 105 MSPS supports ultrasound IF frequencies up to 30 MHz with adequate Nyquist margin. The CMOS output mode offers simpler FPGA interface for beamformer digital logic. The pipelined architecture provides deterministic latency critical for accurate beam-delay calculation across channels. The exposed-pad package provides a low thermal resistance of approximately 25 C/W, suitable for dense multi-channel probe boards.
推荐
Radar and Sonar Signal Processing
The IDTADC1212D105HN-C1 fits radar and sonar baseband digitization where dual-channel I/Q sampling is required at moderate resolution. Each channel of the ADC samples at 105 MSPS, supporting IF bandwidths up to 50 MHz for Doppler radar return signals and active sonar echoes. The LVDS DDR output reduces the FPGA pin count by half compared to parallel CMOS, important in multi-channel phased-array radar systems where dozens of ADC outputs converge on a single FPGA. The 12-bit resolution provides approximately 70 dB dynamic range, sufficient for detecting small targets against clutter returns. The pipelined architecture's fixed latency simplifies timing calibration across array elements. Commercial temperature grade suits ground-based and shipboard radar but not extended-temperature airborne applications.
推荐
Industrial Inspection Camera Front-End
In machine-vision and industrial inspection cameras, the IDTADC1212D105HN-C1 digitizes the output of dual-output line-scan or area-array image sensors. The dual-channel capability supports simultaneous sampling of red/blue or odd/even pixel arrays at 105 MSPS each, achieving 210 MSPS combined pixel rate. The 12-bit resolution provides 4096 gray levels, sufficient for automated optical inspection of printed circuit boards, semiconductor wafers, and food products. The CMOS output mode simplifies connection to image-processing FPGAs or DSPs. The exposed-pad VFQFPN package provides low thermal resistance for sustained high-pixel-rate operation. Commercial temperature grade suits factory-floor enclosures with controlled environments. The pipelined architecture delivers deterministic latency critical for line-scan synchronization.
推荐
General-Purpose Data Acquisition Card
The IDTADC1212D105HN-C1 is a strong fit for multi-channel PCI Express data-acquisition cards used in test-and-measurement equipment, vibration analysis, and arbitrary waveform recorders. The dual-channel pipelined ADC at 105 MSPS supports simultaneous sampling of two independent analog input channels at 12-bit resolution, providing 70 dB SNR suitable for audio-bandwidth and ultrasonic vibration analysis. The LVDS DDR output mode enables high-speed transfer to the host FPGA or ASIC with minimum pin count. The 64-VFQFPN exposed-pad package allows direct soldering to standard 4-layer FR4 PCBs with thermal vias. The pipelined architecture's fixed conversion latency simplifies time-correlated multi-channel acquisition where channel-to-channel skew must be tightly controlled.
推荐
Software-Defined Radio Modem
The IDTADC1212D105HN-C1 enables direct-IF sampling in software-defined radio (SDR) modems for tactical communications, satellite ground terminals, and public-safety radios. The dual-channel 105 MSPS architecture allows I/Q sampling at baseband or low-IF with 70 dB SNR, sufficient for QAM-256 demodulation of digital waveforms. The LVDS DDR output mode interfaces cleanly to Xilinx Zynq or Intel Cyclone FPGAs running GNU Radio or proprietary signal-processing stacks. The pipelined architecture provides the consistent conversion latency required for tight symbol-timing recovery. Commercial temperature grade suits indoor rack-mounted SDR chassis. Lower sampling-rate variants (ADC1212D065, ADC1212D080) of the same family serve lower-bandwidth applications.
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推荐产品汇总
工程参考数据： IDTADC1212D105HN-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 | ADC1212D080HN-C1 | ADC1212D125HN-C1 | ADC1212D065HN-C1 | ADC1412D065HN-C1 | ADC1410S105HN-C1 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 64-VFQFPN Exposed Pad (9x9 mm) | 64-VFQFPN Exposed Pad - same | 64-VFQFPN Exposed Pad - same | 64-VFQFPN Exposed Pad - same | 64-VFQFPN Exposed Pad - same | 64-VFQFPN Exposed Pad - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 14 bit | 14 bit |
| Number of Channels | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) | 1 (Single) |
| Sampling Rate | 105 MSPS | 80 MSPS | 125 MSPS | 65 MSPS | 65 MSPS | 105 MSPS |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Digital Output Interface | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
关键差异点
- 105 MSPS sample rate within dual-channel ADC1212D family （对比 ADC1212D080HN-C1)
- Dual-channel architecture at 105 MSPS per channel （对比 ADC1410S105HN-C1)
- 12-bit resolution balances speed and dynamic range （对比 ADC1412D065HN-C1)
设计说明
The 64-VFQFPN exposed-pad package requires thermal management for sustained high sampling rate. At 105 MSPS with CMOS outputs, estimated power dissipation is 400-500 mW per channel, generating ~1 W total in dual-channel mode. The exposed pad must be soldered to a continuous ground plane with a thermal via array (typically 9 vias in a 3x3 grid under the pad) to keep junction temperature within the commercial operating range. Estimated theta_JA on a standard 4-layer FR4 board with via array is approximately 25 C/W.
Layout for 105 MSPS ADC signals requires controlled-impedance routing for analog inputs and clock traces. Use 50 ohm single-ended or 100 ohm differential microstrip on the top layer with continuous reference ground plane on layer 2. Keep analog input traces short and symmetric to minimize channel-to-channel skew; route the dual-channel inputs as mirror-image pairs. Place input anti-aliasing RC networks within 5 mm of the ADC input pins. The exposed pad must have a via-in-pad or near-pad via array for thermal dissipation and ground return.
Common pitfalls with this ADC family include: (1) failing to terminate LVDS DDR outputs at the receiver with 100 ohm differential - this causes reflections that corrupt the digital eye; (2) using a noisy clock source with excessive jitter - jitter budget must be below 0.5 ps RMS for full 12-bit SNR at 105 MSPS; (3) driving analog inputs beyond the AVDD supply rail which can cause input-stage damage; (4) not enabling the internal reference decoupling capacitors. Always consult the datasheet application circuit section before PCB layout.
When using LVDS DDR output mode, route the LVDS pairs as 100 ohm differential microstrip with length matching to within 0.5 mm to preserve timing margins at the receiver FPGA. Maintain at least 3x trace spacing between adjacent LVDS pairs to minimize crosstalk. The DDR clock output must be length-matched to within 1 mm of the data pairs. Source-series resistance of 33 ohms at each LVDS output pin improves signal integrity on long PCB traces.
合规信息
RoHS compliant per Renesas/IDT product listing and -HN lead-free terminal finish. Commercial temperature grade (-C1 suffix) is not AEC-Q100 qualified - not intended for automotive under-hood applications.
