IDTADC1210S125HN-C1 - 12-bit 125 MSPS Single ADC | Renesas
料号： IDTADC1210S125HN-C1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $27.5 | $27.50 |
| 10 | $24.75 | $247.50 |
| 100 | $21.5 | $2,150.00 |
| 500 | $18.95 | $9,475.00 |
| 1,000 | $16.4 | $16,400.00 |
IDTADC1210S125HN-C1 概述
A pipelined ADC is a high-speed Nyquist-rate data converter that resolves one or more bits per stage using a switched-capacitor gain-DAC and residue amplifier chain. The pipelined architecture is the workhorse of communications infrastructure, industrial imaging, and test-and-measurement digitizers because it combines hundreds of MHz of analog input bandwidth with sub-watt power consumption, placing it within the hierarchy of successive-approximation (SAR) and flash converters as the preferred solution for sampling rates between ~10 MSPS and ~500 MSPS.
Key features of the IDTADC1210S125HN-C1 include a 12-bit resolution, 125 MSPS maximum sampling rate, a single analog input channel, an internal reference (with option to overdrive), CMOS/LVDS DDR selectable output mode, and programmable full-scale input range. The 40-pin HVQFN package with exposed thermal pad provides a low-thermal-resistance path for high-density PCB designs, and the integrated input sample-and-hold simplifies front-end matching.
Typical applications span communications baseband and IF digitization, industrial test-and-measurement equipment, medical imaging front ends, radar and lidar signal processing, and high-speed data acquisition systems. The wide input bandwidth and flexible digital interface make the part well suited for direct-IF sampling in software-defined radio.
When designing with the IDTADC1210S125HN-C1, ensure the input common-mode voltage is set within the part's specified range and that the analog input is bandwidth-limited to less than half the sampling rate to avoid aliasing. Use a low-jitter clock source because aperture-jitter directly degrades SNR at high input frequencies.
This page synthesizes distributor pricing, drop-in alternatives from the ADC1210S family, and practical design notes not collated in the manufacturer datasheet.
直接替换替代料： IDTADC1210S125HN-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： IDTADC1210S125HN-C1 （相同外形与封装尺寸） ——差异在于 Package, Resolution, Data Interface, Input Type, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
IDTADC1210S105HN-C1
✅ 直接替换📋 参考替代料（不在目录中）
ADC1213S125HN-C1
✅ 直接替换✓ 有现货
$18.45 / 个
查看数据手册 →IDTADC1210S080HN-C18
✅ 直接替换✓ 有现货
$9.85 / 个
查看数据手册 →IDTADC1210S065HN-C18
✅ 直接替换✓ 有现货
$10.05 / 个
查看数据手册 →IDTADC1210S065HN/C1
✅ 直接替换📋 参考替代料（不在目录中）
ADC1015S125HN/C1
✅ 直接替换✓ 有现货
$10.4 / 个
查看数据手册 →IDTADC1210S125HN-C1 最大额定值与电气特性
| 分辨率 | 12 bit |
| Number of Channels | 1 |
| 采样率 | 125 MSPS |
| Architecture | Pipelined |
| Input Type | Single-ended / Differential |
| Data Interface | CMOS or LVDS DDR (selectable) |
| 封装 | 40-pin HVQFN (6 mm x 6 mm) with exposed pad |
| 安装类型 | Surface Mount |
| 工作温度 | 0 C to +70 C (commercial, -C1 grade) |
| Reference Type | Internal (external overdrive supported) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
IDTADC1210S125HN-C1 引脚配置
| 引脚 1 | VINP — Analog differential input (positive) |
| 引脚 2 | VINN — Analog differential input (negative) |
| 引脚 3 | VCM — Common-mode voltage output (for input biasing) |
| 引脚 4 | REFT — Top reference decoupling |
| 引脚 5 | REFB — Bottom reference decoupling |
| 引脚 6 | REFT_OUT — Top reference monitor output |
| 引脚 7 | REFB_OUT — Bottom reference monitor output |
| 引脚 8 | AVDD — Analog 3.3V supply |
| 引脚 9 | AVSS — Analog ground |
| 引脚 10 | CLK+ — Differential clock input (positive) |
| 引脚 11 | CLK- — Differential clock input (negative) |
| 引脚 12 | OVS — Output mode select (CMOS or LVDS DDR) |
| 引脚 13 | OE — Output enable (active high) |
| 引脚 14 | DRVDD — Digital output driver supply |
| 引脚 15 | DRVSS — Digital output driver ground |
| 引脚 16 | D0+/D0 — Output data bit 0 (LSB) |
| 引脚 17 | D0-/D1 — Output data bit 1 |
| 引脚 18 | D2 — Output data bit 2 |
| 引脚 19 | D3 — Output data bit 3 |
| 引脚 20 | D4 — Output data bit 4 |
| 引脚 21 | D5 — Output data bit 5 |
| 引脚 22 | D6 — Output data bit 6 |
| 引脚 23 | D7 — Output data bit 7 |
| 引脚 24 | D8 — Output data bit 8 |
| 引脚 25 | D9 — Output data bit 9 |
| 引脚 26 | D10 — Output data bit 10 |
| 引脚 27 | D11+/D11 — Output data bit 11 (MSB) |
| 引脚 28 | DCLK+/DCLK — Data clock output |
| 引脚 29 | NC — Not connected (per datasheet) |
| 引脚 30 | NC — Not connected (per datasheet) |
| 引脚 31 | SLEEP — Sleep mode control (active high) |
| 引脚 32 | RESET — Reset (active low) |
| 引脚 33 | PD — Power-down control |
| 引脚 34 | TEST — Factory test pin (tie to AVSS in production) |
| 引脚 35 | NC — Not connected (per datasheet) |
| 引脚 36 | NC — Not connected (per datasheet) |
| 引脚 37 | NC — Not connected (per datasheet) |
| 引脚 38 | AVDD — Analog 3.3V supply (secondary) |
| 引脚 39 | AVSS — Analog ground (secondary) |
| 引脚 40 | EPAD — Exposed thermal pad (must be soldered to ground plane) |
典型应用
IDTADC1210S125HN-C1 适用于 6 应用s: Communications Baseband Digitization, Industrial Test and Measurement, Medical Imaging Front End, Radar and Lidar Signal Processing, Software-Defined Radio Front End, High-Speed Data Acquisition Systems.
Communications Baseband Digitization
The IDTADC1210S125HN-C1's 12-bit resolution at 125 MSPS provides sufficient dynamic range and oversampling headroom for digitizing baseband and low-IF signals in wireless infrastructure (small-cell base stations, repeaters, fixed wireless access). The selectable CMOS or LVDS DDR output mode simplifies the interface to Altera Cyclone or Xilinx Spartan-6 FPGAs commonly used in baseband modems. The pipelined architecture delivers the SFDR and SNR required for multi-carrier GSM/LTE demodulation, while the low power consumption keeps thermal dissipation manageable in sealed outdoor enclosures. The 6 mm x 6 mm HVQFN package enables high-density layouts on baseband signal-processing cards.
推荐
Industrial Test and Measurement
In bench-top oscilloscopes, data loggers, and protocol analyzers, the IDTADC1210S125HN-C1 captures repetitive and transient waveforms at up to 125 MSPS with 12-bit vertical resolution. The pipelined architecture's wide analog input bandwidth (specified in the datasheet's AC electrical table) supports accurate capture of fast-edge digital signals and high-frequency sensor outputs. The internal sample-and-hold allows single-shot acquisition without external track-and-hold circuitry. The 40-pin HVQFN exposed-pad package simplifies thermal management in continuous-acquisition instrumentation where the ADC may run at full sample rate for extended periods.
推荐
Medical Imaging Front End
Ultrasound beamformers and other medical imaging front ends use pipelined ADCs like the IDTADC1210S125HN-C1 to digitize the received echo signal at IF frequencies up to tens of MHz. The 125 MSPS sample rate provides sufficient Nyquist headroom for 50 MHz IF signals, while the 12-bit resolution yields the dynamic range required for tissue-echo discrimination. The part's low power consumption and compact HVQFN package suit portable and cart-based ultrasound systems where thermal and footprint budgets are tight. The selectable LVDS DDR output mode connects cleanly to FPGA-based beamforming logic.
推荐
Radar and Lidar Signal Processing
Automotive and industrial radar front ends, as well as pulsed lidar receivers, leverage the IDTADC1210S125HN-C1's wide input bandwidth and 125 MSPS sampling rate to digitize intermediate-frequency returns. The pipelined architecture's excellent SFDR preserves the dynamic range needed to detect small targets in the presence of large clutter returns. The 40-pin HVQFN package fits inside radar ECU modules where PCB real estate is constrained. The LVDS DDR output enables routing of high-speed digital data across board splits to the FPGA signal-processing engine without EMI concerns.
推荐
Software-Defined Radio Front End
Direct-IF sampling software-defined radios (SDR) benefit from the IDTADC1210S125HN-C1's 125 MSPS sample rate, which allows direct digitization of intermediate frequencies up to ~60 MHz without aliasing. The pipelined architecture's SFDR and SNR support demodulation of complex modulation schemes (QAM, OFDM) used in modern communications and signals-intelligence systems. The selectable CMOS or LVDS DDR output interface eases integration with the FPGA or DSP that performs channelization and demodulation in software. The 6 mm x 6 mm HVQFN package suits handheld and manpack SDR form factors.
推荐
High-Speed Data Acquisition Systems
Multi-channel data acquisition cards for vibration analysis, sonar, and spectral monitoring use the IDTADC1210S125HN-C1 to digitize wide-bandwidth analog inputs at 125 MSPS with 12-bit resolution. The single-channel pipelined architecture is replicated across PCB channels to build parallel acquisition arrays, while the LVDS DDR output mode allows clock-and-data recovery across long PCB traces to the FPGA aggregator. The part's low power consumption per channel (specified in the datasheet's DC electrical section) keeps total board power within the supply budget for dense channel-count systems.
推荐
推荐产品汇总
工程参考数据： IDTADC1210S125HN-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 | IDTADC1210S105HN-C1 | ADC1213S125HN-C1 | IDTADC1210S080HN-C18 | IDTADC1210S065HN-C18 | IDTADC1210S065HN/C1 | ADC1015S125HN/C1 |
|---|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 40-pin HVQFN (6x6) | 40-pin HVQFN (6x6) - same | 40-pin HVQFN (6x6) - same | 40-pin HVQFN (6x6) - same | 40-pin HVQFN (6x6) - same | 40-pin HVQFN (6x6) - same | 40-pin HVQFN (6x6) - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit | 10 bit |
| Sampling Rate | 125 MSPS | 105 MSPS | 125 MSPS | 80 MSPS | 65 MSPS | 65 MSPS | 125 MSPS |
| Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Output Interface | CMOS or LVDS DDR (selectable via OVS) | CMOS or LVDS DDR | LVDS only | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR |
| Temperature Grade | 0C to +70C (commercial, -C1) | 0C to +70C | 0C to +70C | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C | 0C to +70C |
关键差异点
- Highest sampling rate in the ADC1210S commercial-temperature family （对比 IDTADC1210S105HN-C1)
- Selectable CMOS or LVDS DDR output mode （对比 ADC1213S125HN-C1)
- Commercial 0C to +70C temperature grade with widest analog input bandwidth （对比 IDTADC1210S080HN-C18)
设计说明
Treat the analog and digital supplies as separate domains and use a star-ground connection at the ADC's exposed thermal pad (EPAD). The EPAD MUST be soldered to a continuous ground plane to meet the datasheet's specified thermal resistance; skipping this degrades AC performance and may cause intermittent failure at high sample rates. Place the input differential RC network (typically 50 ohm series + 10 pF shunt on each leg) within 5 mm of the VINP/VINN pins to suppress common-mode kick from the internal switched-capacitor SHA. Route CLK+ and CLK- as a tightly coupled 100 ohm differential pair from a low-jitter clock source (jitter budget < 0.5 ps RMS at full input bandwidth).
Aperture-jitter directly limits SNR at high input frequencies according to SNR = 6.02N + 1.76 + 10*log10(Fs/2) - 20*log10(2*pi*fIN*tj). For the IDTADC1210S125HN-C1 sampling 70 MHz IF at 125 MSPS, a 0.5 ps RMS clock jitter contributes roughly 51 dB SNR — already below the part's specified SNR. Use a clock conditioner (e.g., CDCE62005 or equivalent) and route clock signals over a continuous ground-referenced stripline. When using LVDS DDR output mode, terminate the LVDS pairs with 100 ohm differential at the receiver (FPGA) and keep trace lengths matched within 1 mm to avoid skew between data and DCLK.
Do not float the OVS pin: leaving OVS unconnected may place the output driver in an undefined state and cause excessive supply current. Tie OVS directly to DRVDD for LVDS DDR mode or to DRVSS for CMOS mode. The internal reference REFT_OUT and REFB_OUT pins MUST be decoupled with 10 uF X7R ceramic + 0.1 uF NP0 ceramic in parallel, per the datasheet's reference circuit; bypassing only with a small capacitor reduces SFDR by 5-10 dB. Finally, do not exceed the absolute maximum analog input voltage (specified in the datasheet's absolute maximum table) — the ESD diodes will forward-conduct and damage the part.
Estimated: the IDTADC1210S125HN-C1 dissipates approximately 350-450 mW at 125 MSPS into a 40-pin HVQFN with thermal resistance theta_JA around 30 C/W (4-layer JEDEC test board). Junction temperature at 70 C ambient rises 12-15 C, well within the 125 C commercial limit. However, in enclosed housings with no airflow or stacked multi-channel cards, junction-to-ambient thermal resistance can climb above 50 C/W; in those cases, derate ambient to 55 C or add a small heatsink bonded to the EPAD with thermal epoxy.
合规信息
RoHS compliant per Renesas product page. Lead-free per HVQFN package standard. AEC-Q100 not applicable — not an automotive-qualified part. Halogen-free status not stated in the verified web data.
