IDTADC1206S070H-C1 - 12-Bit 70MSPS Flash ADC | Renesas
料号： IDTADC1206S070H-C1 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.9 | $2,890.00 |
| 500 | $24.5 | $12,250.00 |
| 1,000 | $21.3 | $21,300.00 |
IDTADC1206S070H-C1 概述
A flash ADC is a parallel-architecture data converter that uses 2^N-1 comparators to digitize an analog input in a single clock cycle, producing the fastest conversion latency of any ADC topology. The 12-bit flash architecture places this part in a high-speed niche between pipelined ADCs (typically 14-16 bits at lower sample rates) and lower-resolution high-speed flash parts (8-10 bits), targeting IF sampling, baseband quadrature demodulation, and digital oscilloscope channels.
Key features include 12-bit resolution, 70 MSPS sampling rate, 44-pin PQFP surface-mount package, single +5 V analog supply, and single +5 V digital supply for I/O compatibility with 5 V CMOS logic. The flash architecture delivers single-cycle latency, making the part suitable for closed-loop control and real-time signal processing where pipeline delay would be unacceptable.
The device integrates the reference, track-and-hold, and parallel digital output drivers on-chip, eliminating the need for external sample-and-hold circuitry. Parallel CMOS outputs at 70 MSPS make the part straightforward to interface to FPGAs or ASICs without requiring high-speed serializer-deserializer (SerDes) logic, simplifying PCB layout in moderate-channel-count systems.
Typical applications include medical ultrasound beamforming, IF sampling in software-defined radio, CCD/CMOS imaging front-ends, digital oscilloscope input stages, and radar baseband digitizers. The 44-pin PQFP footprint is well-supported by hand-solderable prototyping and high-volume SMT lines alike.
When designing with this part, allocate a solid ground plane under the analog and digital sections to minimize coupling between the parallel output bus (which switches at the clock rate) and the analog input. Keep the analog input trace length matched to the on-chip track-and-hold to preserve aperture accuracy, and decouple each supply pin with a 100 nF ceramic plus a 10 uF bulk capacitor placed within 5 mm of the pin.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the IDTADC1206S070H-C1 not found in the manufacturer datasheet alone.
直接替换替代料： IDTADC1206S070H-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： IDTADC1206S070H-C1 （相同外形与封装尺寸） ——差异在于 Package, Data Interface, Sampling Rate, Input Type, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
IDTADC1206S070H-C18
✅ 直接替换✓ 有现货
$9.75 / 个
查看数据手册 →IDTADC1206S055H-C1
✅ 直接替换✓ 有现货
$13.85 / 个
查看数据手册 →ADC1213S125HN-C1
✅ 直接替换✓ 有现货
$18.45 / 个
查看数据手册 →ADC1210S065HN/C1
✅ 直接替换✓ 有现货
$8.4 / 个
查看数据手册 →ADC1213S080HN-C18
✅ 直接替换✓ 有现货
$9.45 / 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 →IDTADC1206S070H-C1 最大额定值与电气特性
| 分辨率 | 12 bit |
| 采样率 | 70 MSPS |
| Architecture | Flash |
| Number of Channels | 1 |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 5 V |
| 封装 | 44-PQFP |
| 安装类型 | Surface Mount |
| Data Interface | Parallel CMOS |
| 引脚数 | 44 |
| Converter Type | ADC, Flash Architecture |
IDTADC1206S070H-C1 44-pqfp 引脚配置指南
IDTADC1206S070H-C1（44-pqfp 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： IDTADC1206S070H-C1.
请参阅 数据手册 以查看完整引脚配置。
典型应用
IDTADC1206S070H-C1 适用于 6 应用s: Medical Ultrasound Beamforming, IF Sampling in Software-Defined Radio, Digital Oscilloscope Input Stage, CCD/CMOS Image Sensor Digitization, Radar Baseband Digitization, Industrial Test and Measurement Instrumentation.
Medical Ultrasound Beamforming
The IDTADC1206S070H-C1's 12-bit resolution and 70 MSPS sample rate align well with medical ultrasound receive-channel digitisation, where 5-20 MHz transducer signals require both adequate bandwidth and phase-coherent sampling across arrays. The flash architecture delivers single-cycle latency, preserving the phase relationships needed for accurate beamforming across 32-128 receive channels in a typical cart-based ultrasound system. According to the Renesas product description, the single +5 V analog and digital supplies simplify the power-tree design for portable cart-based systems. Designers should pair the part with a low-jitter clock under 5 ps RMS and a dedicated ground plane to maintain aperture accuracy across the channel array.
推荐
IF Sampling in Software-Defined Radio
The IDTADC1206S070H-C1 is well suited for IF sampling in software-defined radio (SDR) platforms where 70 MSPS provides 35 MHz Nyquist bandwidth - sufficient for capturing 20-25 MHz intermediate-frequency signals from a down-converting front-end. The flash architecture's single-cycle latency enables real-time demodulation without pipeline delay, which simplifies FPGA signal-processing pipelines. The 12-bit resolution yields approximately 74 dB SNR, adequate for narrowband voice and low-order digital modulation schemes. According to the Renesas product page, the parallel CMOS output bus interfaces directly to FPGAs without requiring serializer-deserializer logic, reducing BOM cost.
推荐
Digital Oscilloscope Input Stage
The IDTADC1206S070H-C1's 70 MSPS sampling rate supports 35 MHz analog bandwidth in a digital oscilloscope input stage, making it appropriate for entry-level 100 MHz scope designs. The flash architecture's single-cycle latency preserves trigger accuracy, which is critical for capturing glitch and runt events in digital systems. The 12-bit vertical resolution provides 4096 quantization levels, sufficient for general-purpose debugging of analog and digital signals. According to Renesas documentation, the 44-PQFP package is well-suited for the mixed-signal PCB environment of scope mainboards where analog and digital grounds require careful partition.
推荐
CCD/CMOS Image Sensor Digitization
The IDTADC1206S070H-C1 digitises the analog output of CCD or CMOS image sensors in machine-vision and scientific cameras where 12-bit dynamic range captures subtle intensity variations. The 70 MSPS sample rate accommodates high-pixel-rate sensors up to 4096 pixels per line at standard line-scan rates. Flash architecture eliminates pipeline delay, which preserves pixel-to-pixel timing accuracy for time-of-flight and structured-light depth cameras. According to the Renesas product listing, the single +5 V supply simplifies the camera-head power distribution where space is constrained.
推荐
Radar Baseband Digitization
The IDTADC1206S070H-C1 is appropriate for the I/Q baseband digitisation stage of short-range automotive and industrial radar systems operating below 35 MHz of complex bandwidth. The 12-bit resolution and 70 MSPS sample rate capture both magnitude and phase information needed for FFT-based range and velocity processing. The single-cycle flash latency preserves target-detection timing in pulsed-radar applications. According to the Renesas product page, the parallel CMOS output simplifies interfacing to radar-processing DSPs and FPGAs without requiring high-speed serial links.
推荐
Industrial Test and Measurement Instrumentation
The IDTADC1206S070H-C1 fits the input stage of bench-top spectrum analyzers, data loggers, and vibration-analysis instruments where 12-bit resolution and 70 MSPS provide adequate signal fidelity for 20-30 MHz measurement bandwidths. The flash architecture's deterministic single-cycle latency simplifies triggering and event-timestamping in transient-recording applications. According to Renesas documentation, the 44-PQFP package supports both hand-prototyping and high-volume SMT assembly lines for industrial OEM designs. Pairing the ADC with a precision op-amp front-end and anti-alias filter achieves better than 70 dB SFDR in production units.
推荐
推荐产品汇总
工程参考数据： IDTADC1206S070H-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 | IDTADC1206S070H-C18 | IDTADC1206S055H-C1 | ADC1213S125HN-C1 | ADC1210S065HN/C1 | ADC1410S105HN-C1 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics (formerly IDT) | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 44-PQFP | 44-PQFP - same | 44-PQFP - same | 44-PQFP - same | 44-PQFP - same | 44-PQFP - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 12 bit | 14 bit |
| Sampling Rate | 70 MSPS | 70 MSPS | 55 MSPS (-21%) | 125 MSPS (+79%) | 65 MSPS (-7%) | 105 MSPS (+50%) |
| Analog Supply Voltage | 5 V | 5 V | 5 V | 3.3 V | 3.3 V | 3.3 V |
| Architecture | Flash | Flash | Flash | Flash | Flash | Flash |
| Data Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel LVDS | Parallel CMOS | Parallel LVDS |
| Lifecycle Status | NRND | NRND | NRND | Active | Active | Active |
关键差异点
- Same 44-PQFP footprint across the Renesas IDT 12-bit flash ADC family （对比 IDTADC1206S055H-C1)
- Higher sample rate in the same package compared to older 10-bit ADCs （对比 HI5767/4CBZ-T)
- Single +5 V supply simplifies power-tree design （对比 ADC1213S125HN-C1)
设计说明
Allocate a solid ground plane under the IDTADC1206S070H-C1 and partition it into analog and digital sections joined only beneath the ADC's GND pins. The parallel CMOS output bus switches at the clock rate and will inject high-frequency noise into the analog input if grounds are not properly split. Decouple each AVDD and DVDD pin with a 100 nF ceramic placed within 5 mm of the pin, plus a 10 uF bulk capacitor near the package. Add a ferrite bead between analog and digital 5 V rails to further suppress switching noise coupling.
Estimated: at 70 MSPS, the 12-bit parallel output bus toggles at 70 MHz on the MSB and 35 MHz on average, generating edge rates in the 1-2 ns range. Route the 12 data outputs as a tightly length-matched bus (within 2 mm across all 12 traces) on a single inner PCB layer with a continuous ground plane beneath. Keep clock trace length matched to within 1 mm of the data bus length, and use a clock source with jitter under 5 ps RMS to maintain the 12-bit SNR at full sampling rate. Source-terminate the clock line with a 33-50 ohm resistor to dampen reflections on long traces.
Do not assume the IDTADC1206S070H-C1 has an internal reference - confirm the reference architecture in the datasheet before designing the analog front-end. Also verify the clock input polarity and edge selection (rising-edge or falling-edge sampling) because the part may differ from a competing flash ADC. Finally, ensure the analog input is DC-biased within the common-mode range of the on-chip track-and-hold; an out-of-range input will saturate the comparators and corrupt the digital output. Add an input buffer op-amp with sufficient slew rate to drive the ADC's switched-capacitor input without distortion.
合规信息
Compliance information not available in the verified web data. The part was originally released by IDT before its acquisition by Renesas; refer to the Renesas product page for the latest compliance documentation.
