IDTADC1212D080HN-C1 - Dual 12-bit 80MSPS ADC, 64-VFQFPN | Renesas
料号： IDTADC1212D080HN-C1 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $21.85 | $2,185.00 |
| 500 | $19.4 | $9,700.00 |
| 1,000 | $17.1 | $17,100.00 |
IDTADC1212D080HN-C1 概述
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous-time analog waveforms at a fixed rate and produces a quantized digital code proportional to the input voltage. Pipelined ADCs use a multi-stage architecture where each stage resolves a few bits of resolution while a residue is passed to the next stage, achieving both high sampling rates (tens to hundreds of MSPS) and 10-14 bit resolution. In the broader taxonomy, the IDTADC1212D080HN-C1 sits within: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. It is a member of Renesas' (formerly IDT) ADC1212D080 family of dual 12-bit 80/105/125 MSPS converters.
Key specifications include 12-bit resolution with no missing codes, 80 MSPS maximum sampling rate, and integrated input buffer with adjustable full-scale range. The 64-VFQFPN package provides a compact footprint with an exposed thermal pad for low thermal resistance. Power consumption is typically below 600 mW at 80 MSPS from a single 1.8V analog and 1.8V/3.3V digital supply, enabling use in thermally constrained designs.
Application areas include medical imaging (ultrasound AFE), communications receivers (IF/baseband sampling), industrial instrumentation (data acquisition), and multi-channel test equipment. The dual-channel architecture is well suited to diversity receivers, MIMO front ends, and I/Q demodulation paths.
When integrating this part, ensure the analog input network is bandwidth-matched to the ADC's input bandwidth and that the clock source meets the ADC's aperture/jitter specifications. Decouple supplies with low-ESR ceramic capacitors placed adjacent to the AVDD/DRVDD pins, and provide a solid ground plane under the exposed paddle for thermal dissipation.
This datasheet aggregates distributor inventory data, Renesas-equivalent pin-compatible alternates, and practical layout guidance not consolidated elsewhere, providing an at-a-glance buying and design reference that complements the manufacturer datasheet.
直接替换替代料： IDTADC1212D080HN-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： IDTADC1212D080HN-C1 （相同外形与封装尺寸） ——差异在于 Package, Input Type, Data Interface, Operating Temperature, Resolution.
快速对比工具——选择替代料号进行并排对比：
ADC1212D125HN-C1
✅ 直接替换✓ 有现货
$20.75 / 个
查看数据手册 →ADC1212D105HN-C1
✅ 直接替换📋 参考替代料（不在目录中）
ADC1213D080HN/C1/5
✅ 直接替换✓ 有现货
$22.95 / 个
查看数据手册 →ADC1012D080HN/C1:5
✅ 直接替换✓ 有现货
$12.1 / 个
查看数据手册 →ADC1412D065HN-C1
✅ 直接替换✓ 有现货
$21.45 / 个
查看数据手册 →AD9237BCPZ-40
✅ 直接替换📋 参考替代料（不在目录中）
ADS5400IPZP25
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
IDTADC1212D080HN-C1 最大额定值与电气特性
| 分辨率 | 12 bit |
| Number of Channels | 2 (dual) |
| Sampling Rate (Max) | 80 MSPS |
| Architecture | Pipelined |
| Input Type | Single-ended (differential capable) |
| Data Interface | CMOS (DDR/SDR selectable) |
| 封装 | 64-VFQFPN (9x9 mm) with exposed pad |
| 安装类型 | Surface Mount |
IDTADC1212D080HN-C1 64-vfqfpn (9x9 mm) with exposed pad 引脚配置指南
IDTADC1212D080HN-C1（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： IDTADC1212D080HN-C1.
请参阅 数据手册 以查看完整引脚配置。
典型应用
IDTADC1212D080HN-C1 适用于 6 应用s: Medical Ultrasound Imaging Front End, Communications IF / Baseband Sampling, Industrial Data Acquisition Systems, Multi-Channel Test and Measurement, Radar and Lidar Signal Capture, MIMO Wireless Receiver Front End.
Medical Ultrasound Imaging Front End
The IDTADC1212D080HN-C1's dual 12-bit 80 MSPS pipeline channels let each IC digitize two transducer-element return paths from a phased-array ultrasound probe. The sampling rate captures second-harmonic tissue signals up to 40 MHz (Nyquist) while the 12-bit dynamic range resolves echo amplitudes for B-mode and Doppler processing. Synchronous dual channels keep beamforming calculations phase-aligned across the array; multiple devices slave to a common clock for 16-, 32-, 64-channel probe heads. Compared with lower-rate ADCs, the 80 MSPS rate halves the required sampling density per element and reduces per-channel power.
推荐
Communications IF / Baseband Sampling
In software-defined radio and diversity receiver designs the IDTADC1212D080HN-C1 captures I and Q baseband channels directly, eliminating analog downconversion chains and enabling digital signal processing in FPGAs. Two synchronized 12-bit 80 MSPS channels provide enough bandwidth for Wi-Fi/LTE baseband bandwidths, and the CMOS DDR output bus feeds FPGA sample FIFOs directly. Pipeline latency is deterministic, simplifying AGC loops. Compared with discrete 10-bit IF ADCs, this part adds 3 dB of dynamic range and supports higher-order modulation schemes.
推荐
Industrial Data Acquisition Systems
The IDTADC1212D080HN-C1 fits multi-channel industrial data-acquisition front ends digitizing strain gauges, accelerometers, or transient voltage signals at 80 MSPS per pair of channels. Its 12-bit resolution captures waveforms with sufficient detail for FFT analysis and harmonic distortion studies of motors, transformers, or inverter output. Dual-channel integration halves board area versus two single-channel ADCs and keeps inter-channel timing skew below one sample interval. The exposed thermal pad supports continuous operation in industrial environments where the PCB operates near its thermal limit.
推荐
Multi-Channel Test and Measurement
Oscilloscope, logic-analyzer, and signal-analyzer manufacturers leverage the dual-channel ADC1212D080HN-C1 to expand channel counts in modular bench instruments. Two real-time 80 MSPS channels per IC allow dense placement on acquisition boards, and the synchronized sampling supports simultaneous sampling across chassis. Engineers appreciate the predictable pipeline latency for trigger circuitry and the standard CMOS output format that interfaces with general-purpose FPGA digital front ends. Compared with single-channel 12-bit ADCs, this part reduces BOM cost per channel by approximately 25-30 percent.
推荐
Radar and Lidar Signal Capture
Phase-array radar and lidar receivers use the IDTADC1212D080HN-C1 to digitize narrow-pulse returns in the tens-of-MHz IF range. The two 80 MSPS channels let one IC handle the I and Q outputs of a single downconversion stage, replacing dual ADCs in legacy designs. Engineers using pulse compression benefit from the 12-bit sample depth, which preserves dynamic range for both strong returns and weak distant echoes. Multi-IC synchronization across the antenna array is achievable with a common reference clock and shared start-of-conversion pulse.
推荐
MIMO Wireless Receiver Front End
Multi-antenna MIMO wireless receivers use one IDTADC1212D080HN-C1 per spatial-stream I/Q pair, with all ADCs locked to a common reference clock for coherent sampling. The 80 MSPS rate accommodates 20-40 MHz signal bandwidths such as those used in Wi-Fi 5/6, LTE, and proprietary sub-6 GHz standards. The CMOS DDR output interface feeds FPGA DSP fabric with deterministic latency, simplifying MIMO matrix calculations. Compared with 2-channel integrated transceiver ICs, this standalone ADC provides simpler digital-IF interfacing and more flexible clocking.
推荐
推荐产品汇总
工程参考数据： IDTADC1212D080HN-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 | ADC1212D125HN-C1 | ADC1212D105HN-C1 | ADC1213D080HN/C1/5 | ADC1012D080HN/C1:5 | ADC1412D065HN-C1 |
|---|---|---|---|---|---|---|
| Package | 64-VFQFPN (9x9 mm) | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN - same family |
| Brand | Renesas Electronics | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same |
| Resolution | 12 bit | 12 bit | 12 bit | 13 bit | 10 bit | 14 bit |
| Sampling Rate (Max) | 80 MSPS | 125 MSPS | 105 MSPS | 80 MSPS | 80 MSPS | 65 MSPS |
| Number of Channels | 2 | 2 | 2 | 2 | 2 | 2 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Data Interface | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR |
关键差异点
- Dual 12-bit channels in a single 9x9 mm VFQFPN footprint （对比 ADC1212D105HN-C1)
- Higher resolution scaling within the same family （对比 ADC1012D080HN/C1:5)
- Resides in the well-documented legacy IDT ADC1212 family （对比 Third-party 12-bit 80 MSPS ADCs)
设计说明
Decouple AVDD and DRVDD with low-ESL ceramic capacitors placed within 2-3 mm of each supply pin. Place a 10 uF bulk tantalum or polymer capacitor plus 0.1 uF X7R ceramic for each rail. Use a ferrite bead between the analog 1.8V regulator and AVDD to isolate from switching noise. The 1.8 V analog rail should be derived from a low-noise LDO (for example, LP38798 from TI) as the ADC's PSRR rolls off above 1 MHz. Estimated: total quiescent current draw is approximately 250-350 mA per ADC at 80 MSPS based on ADC1212 family typical figures - confirm against datasheet for thermal design.
Place the ADC so analog input traces do not cross digital output traces on inner layers. Use a continuous ground plane under the part, splitting analog and digital grounds only at the LDO/ferrite boundary. Solder the exposed thermal pad to a copper pour at least 1 square inch on the top layer with multiple thermal vias to internal ground layers to achieve theta_JA below 20 C/W. Match length/width of the differential clock and analog input traces within 0.5 mm to maintain channel-to-channel timing skew below 50 ps.
Use a clock source with jitter below 200 fs RMS at 80 MSPS to achieve the rated SNR. Buffer the clock signal with a low-jitter clock buffer if fanout to multiple ADC1212D channels is required. For analog inputs, use a transformer or differential driver network with a flat-frequency response up to 200 MHz and add an anti-aliasing filter to remove out-of-band noise. Terminate unused analog input pins to mid-supply (VCM) through a 1 kohm resistor rather than leaving them floating.
合规信息
Compliance status was not captured in the verified web data summary. RoHS and lead-free status of the legacy IDT VFQFPN-64 package should be confirmed via the manufacturer material declaration before production.
