ADC1412D105HN-C18 - Dual 14-bit 105Msps ADC | Renesas
料号： ADC1412D105HN-C18 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $35.2 | $352.00 |
| 100 | $30.85 | $3,085.00 |
| 500 | $27.4 | $13,700.00 |
| 1,000 | $24.1 | $24,100.00 |
ADC1412D105HN-C18 概述
An ADC (Analog-to-Digital Converter) is a data-conversion IC that translates continuous analog waveforms into discrete digital codes. A pipelined ADC is a high-speed architecture that resolves bits in cascaded stages using sub-ranging with digital error correction; it is the dominant architecture for sample rates between 50 MSPS and 500 MSPS because it balances speed, resolution, and silicon area better than flash or successive-approximation topologies. Within the converter taxonomy, ADC1412D105 belongs to high-speed dual-channel ADCs > multi-MSPS ADCs > data converter ICs > signal chain > semiconductor. The 14-bit resolution places it between 12-bit mid-range parts and 16-bit high-precision ADCs, suited to communications, instrumentation, and imaging systems.
Key specifications include 14-bit resolution, 2 differential input channels, 105 MSPS maximum conversion rate, 64-pin VFQFPN package, programmable CMOS or LVDS DDR digital outputs, and selectable full-scale input ranges. The pipelined multi-stage architecture supports internal reference operation and includes per-channel gain/offset calibration. The SPI-compatible serial interface configures output mode (CMOS vs LVDS DDR), input range, and test patterns without external hardware.
Typical applications span communications receivers, multi-channel data acquisition, medical imaging front-ends, radar IF sampling, and industrial test instrumentation. The dual-channel simultaneous-sampling design is well suited to I/Q demodulation in software-defined radio, diversity receivers, and phase-sensitive measurements. The 105 MSPS rate easily digitizes IF signals in communications and instrumentation receivers.
When designing with this part, allocate 64 pins for the VFQFPN exposed-pad footprint including a contiguous ground plane for thermal and electrical performance, and follow the standard JESD51-compliant PCB layout for QFN packages. Decouple AVDD and DVDD rails independently to limit digital switching noise from coupling into the analog inputs.
直接替换替代料： ADC1412D105HN-C18 ——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： ADC1412D105HN-C18 （相同外形与封装尺寸） ——差异在于 Package, Input Type, Number of Channels, Pin Count, Sample Rate (max).
快速对比工具——选择替代料号进行并排对比：
ADC1412D105HN-C1
✅ 直接替换✓ 有现货
$16.2 / 个
查看数据手册 →ADC1412D125HN-C18
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$20.85 / 个
查看数据手册 →ADC1412D065HN-C18
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$23.1 / 个
查看数据手册 →ADC1410S105HN-C1
✅ 直接替换✓ 有现货
$17.8 / 个
查看数据手册 →ADC14DS105AISQ/NOPB
✅ 直接替换✓ 有现货
$25.11 / 个
查看数据手册 →ADC1412D105HN-C18 最大额定值与电气特性
| 分辨率 | 14 bit |
| Number of Channels | 2 (dual, simultaneous sampling) |
| Conversion Rate (Max) | 105 MSPS |
| Architecture | Pipelined |
| Input Type | Differential |
| Digital Output | CMOS or LVDS DDR (programmable) |
| Serial Interface | SPI (3-wire) for configuration |
| Input Channels | 2 Input 2 Pipelined |
| 封装 | 64-VFQFPN (9x9 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Power Consumption | Low power (optimized, per datasheet) |
| Internal Reference | Yes (per datasheet) |
ADC1412D105HN-C18 64-vfqfpn (9x9 mm) with exposed pad 引脚配置指南
ADC1412D105HN-C18（64-vfqfpn (9x9 mm) with exposed pad 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： ADC1412D105HN-C18.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADC1412D105HN-C18 适用于 6 应用s: Software Defined Radio Receivers, Medical Ultrasound Imaging Front-End, Industrial Test Instrumentation, Radar IF Signal Sampling, Communications Base Station Receivers, Multi-Channel Data Acquisition Systems.
Software Defined Radio Receivers
The ADC1412D105HN-C18 is well-suited for software-defined radio (SDR) receivers because its dual simultaneous sampling at 105 MSPS digitizes I/Q signal pairs without timing skew, which is critical for baseband demodulation accuracy. With 14-bit resolution and ~78 dB dynamic range, the converter captures weak signals adjacent to strong blockers typical of crowded RF bands. The LVDS DDR output mode halves clock harmonics, lowering EMI into sensitive LNA and mixer stages on the same board. Placed between the IF filter and the FPGA demodulator, the ADC1412D105 pairs naturally with Renesas/IDT clock generators that supply low-jitter CLK+/CLK- to preserve converter SNR.
推荐
Medical Ultrasound Imaging Front-End
In multi-channel medical ultrasound systems the ADC1412D105HN-C18's simultaneous sampling across both channels allows per-channel phase alignment of beam-formed receive signals. The 105 MSPS rate captures diagnostic frequency content up to ~40 MHz without aliasing, while the 14-bit resolution preserves fine echo amplitude steps needed for tissue differentiation. The exposed-pad VFQFPN-64 package with a contiguous ground plane supports the wide channel count typical of phased-array transducers. Designed into the receive path between the TGC amplifier and the FPGA beamformer, this ADC pairs with low-noise op-amps for signal conditioning and FPGA transceivers for LVDS capture.
推荐
Industrial Test Instrumentation
Automated test equipment and high-end oscilloscope input stages depend on the ADC1412D105HN-C18's 105 MSPS dual-channel sampling for digitizing wideband analog nodes. Each converter channel delivers 14-bit resolution per measurement cycle, supporting precision waveform reconstruction across the full signal chain. The CMOS-output mode is favored in lower-frequency board layouts, while LVDS DDR is preferred at the top end of the bandwidth envelope. Used after the input attenuator and programmable gain stage, the ADC feeds an FPGA capture memory and trigger DSP.
推荐
Radar IF Signal Sampling
Pulsed-radar and FMCW receiver designs rely on intermediate-frequency (IF) sampling to extract target range and Doppler information, and the ADC1412D105HN-C18's 105 MSPS rate comfortably digitizes 30-50 MHz IF outputs from the radar mixer. Dual channels support sum-and-difference or polarization-diversity receive paths, while the SPI-configurable full-scale input range adapts to different mixer output levels. The exposed-pad VFQFPN package manages thermal dissipation during continuous sampling duty cycles typical of surveillance radar.
推荐
Communications Base Station Receivers
Multi-carrier base-station receivers place the ADC1412D105HN-C18 in the digital-IF path where 14-bit resolution and 105 MSPS sampling permit digitization of multiple adjacent carriers without cross-modulation. The dual channels support redundant or diversity receiver paths, and the LVDS DDR output cleanly interfaces to FPGA baseband DSP. The exposed-pad package's low thermal resistance supports long-on-time operation in -40C to +85C industrial enclosures.
推荐
Multi-Channel Data Acquisition Systems
Multi-channel DAQ platforms that aggregate multiple analog sensors lean on the ADC1412D105HN-C18 for per-channel timing alignment and reduced board area. Each 14-bit sample at 105 MSPS supplies sufficient resolution to resolve sub-millivolt sensor signals while the dual synchronous channels double the channel density per converter. The pin-compatible family lets designers field-configure 65, 105, or 125 MSPS variants without changing the BOM layout, easing last-minute specification changes for industrial customers.
推荐
推荐产品汇总
工程参考数据： ADC1412D105HN-C18 ——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 | ADC1412D105HN-C1 | ADC1412D125HN-C18 | ADC1412D065HN-C18 | ADC1410S105HN-C1 | ADC14DS105AISQ/NOPB |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Texas Instruments |
| Package | 64-VFQFPN (9x9) | 64-VFQFPN (9x9) - same | 64-VFQFPN (9x9) - same | 64-VFQFPN (9x9) - same | 64-VFQFPN (9x9) - same | LQFP-48 (different) |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit |
| Number of Channels | 2 (dual, simultaneous) | 2 (dual, simultaneous) | 2 (dual, simultaneous) | 2 (dual, simultaneous) | 1 (single) | 2 (dual) |
| Max Sample Rate | 105 MSPS | 105 MSPS | 125 MSPS | 65 MSPS | 105 MSPS | 105 MSPS |
| Digital Output Mode | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) | CMOS or LVDS DDR (programmable) |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Serial Control Interface | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) | SPI (3-wire) |
关键差异点
- Dual simultaneous sampling at 105 MSPS per channel （对比 ADC1410S105HN-C1)
- Factory-tested CMOS and LVDS DDR output on one device （对比 ADC12L030CIWM/NOPB (TI 12-bit))
- SPI-programmable full-scale input range （对比 Discrete fixed-range ADCs)
设计说明
The 64-VFQFPN (9x9 mm) exposed pad must be soldered to a continuous ground plane using an array of thermal vias (0.3 mm drill, 1.0 mm pitch) for both electrical reference and thermal dissipation. Place AVDD and DVDD decoupling capacitors as close as possible to each supply pin, using a 10 uF bulk tantalum plus 0.1 uF and 1 nF ceramics in parallel. Match the differential CLK+/CLK- and analog input trace lengths within 0.5 mm to maintain aperture timing accuracy at 105 MSPS per JESD51 layout guidelines for high-speed converters.
Route the LVDS DDR output pairs (D0-D13 and the DDR clock) as 100-ohm differential microstrip on a controlled-impedance stackup. Avoid right-angle bends and keep stubs shorter than 0.15 mm. Place a 100-ohm termination resistor across each LVDS pair at the FPGA receiver. The CMOS mode requires shorter traces (< 25 mm) but eliminates the LVDS termination and reduces FPGA pin count. Choose LVDS DDR above 80 MSPS to halve the clock-edge rate and reduce EMI.
Separate AVDD and DVDD rails using ferrite beads or small inductors to prevent digital switching noise from corrupting the analog reference. Estimate power consumption per channel at 105 MSPS at roughly 200 mW (verify against datasheet). Place a 22 uF bulk capacitor on each analog rail near the IC and a 4.7 uF ceramic within 2 mm of each AVDD pin. The exposed pad also aids heat removal; without continuous via stitching the junction temperature can rise 25-30 C under full load.
Do not route digital outputs adjacent to the analog input traces - cross-coupling can degrade SNR by 5-10 dB. Do not omit the SPI configuration during reset: uninitialized registers default to undefined input ranges and output modes that may draw excessive supply current. Always toggle the SPI CSB line before each transaction to avoid reading stale register data. Confirm the input clock is low-jitter (< 1 ps RMS) - phase noise directly degrades ADC SNR per the formula SNR_limit = 20*log10(Vin_rms/Clock_jitter_rms).
合规信息
Compliance data not provided in verified web results; markers set to 'unknown' per Data Authenticity Rules. ADC1412D105HN-C18 family intended for industrial/commercial, not automotive AEC-Q100.
