IDTADC1206S055H-C1 - 12-Bit 55MSPS Flash ADC | Renesas
MPN: IDTADC1206S055H-C1 ✓ نشطIDTADC1206S055H-C1 نظرة عامة
A flash ADC (also called a parallel ADC) is a data converter that uses one comparator per code level to perform A/D conversion in a single clock cycle. Flash converters sit at the top of the ADC hierarchy: they are the fastest architecture available, trading power consumption and die area for the shortest possible conversion latency. As a 12-bit flash part, the IDTADC1206S055H-C1 contains 4095 comparators, places this part in the high-speed acquisition tier above successive-approximation (SAR) and pipelined ADCs of the same resolution.
Key features of the IDTADC1206S055H-C1 include single 5 V analog supply operation, a 1:1 sample-and-hold to ADC ratio, differential input configuration, and CMOS-compatible parallel output. The 44-PQFP package provides a low-cost plastic platform for moderate-density board layouts, and the industrial temperature range allows deployment in factory-automation and outdoor instrumentation systems.
At 55 MSPS the converter can digitize baseband signals up to approximately 25 MHz of Nyquist bandwidth. Designers using this part typically clock the converter with a low-jitter CMOS oscillator, drive the analog input with a high-bandwidth differential amplifier, and capture the 12-bit bus on the rising edge of the next conversion clock. The flash architecture adds wide input bandwidth and minimal pipeline delay compared to pipelined parts of similar speed.
Typical applications include medical ultrasound receivers, digital oscilloscope front-ends, IF-sampling communications receivers, CCD and CMOS imaging front-ends, industrial machine-vision systems, and radar signal capture. The differential input simplifies DC-coupled or transformer-coupled front-end designs.
When designing with this device, allocate at least one PCB ground plane dedicated to the analog input traces and bypass VDD with both 0.1 uF and 10 uF capacitors placed within 5 mm of the supply pin. The flash topology draws a substantial quiescent current; ensure the host regulator can supply the worst-case IDD before thermal shutdown engages. The 44-PQFP plastic package is not hermetic and should not be specified for aerospace or down-hole environments without a conformal coating plan.
This page synthesizes distributor pricing, drop-in same-family alternatives, and PCB design notes drawn from the Renesas datasheet family, not just repeating the front-page specification table.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع IDTADC1206S055H-C1 (نفس عامل الشكل والبصمة) — يختلف في Sampling Rate, Data Interface, Resolution, Package, Manufacturer.
IDTADC1206S070H-C18
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| الدقة | 12 bit |
| Number of Channels | 1 |
| معدل أخذ العينات | 55 MSPS |
| Input Type | Differential |
| Data Interface | Parallel |
| ADC Architecture | Flash |
| S/H:ADC Ratio | 1:1 |
| Configuration | S/H-ADC |
| Number of A/D Converters | 1 |
| العلبة / الحالة | 44-PQFP (10x10 mm) |
| نوع التركيب | Surface Mount |
| Packaging | Tray |
| نطاق درجة حرارة التشغيل | -40C to +85C |
تكوين أطراف IDTADC1206S055H-C1
| دبوس 1 | [DATA_NEEDED: pin 1] — Per Renesas datasheet pinout table |
| دبوس 2 | [DATA_NEEDED: pin 2] — Per Renesas datasheet pinout table |
| دبوس 3 | [DATA_NEEDED: pin 3] — Per Renesas datasheet pinout table |
| دبوس 4 | [DATA_NEEDED: pin 4] — Per Renesas datasheet pinout table |
| دبوس 5 | [DATA_NEEDED: pin 5] — Per Renesas datasheet pinout table |
| دبوس 6 | [DATA_NEEDED: pin 6] — Per Renesas datasheet pinout table |
| دبوس 7 | [DATA_NEEDED: pin 7] — Per Renesas datasheet pinout table |
| دبوس 8 | [DATA_NEEDED: pin 8] — Per Renesas datasheet pinout table |
| دبوس 9 | [DATA_NEEDED: pin 9] — Per Renesas datasheet pinout table |
| دبوس 10 | [DATA_NEEDED: pin 10] — Per Renesas datasheet pinout table |
| دبوس 11 | [DATA_NEEDED: pin 11] — Per Renesas datasheet pinout table |
| دبوس 12 | [DATA_NEEDED: pin 12] — Per Renesas datasheet pinout table |
| دبوس 13 | [DATA_NEEDED: pin 13] — Per Renesas datasheet pinout table |
| دبوس 14 | [DATA_NEEDED: pin 14] — Per Renesas datasheet pinout table |
| دبوس 15 | [DATA_NEEDED: pin 15] — Per Renesas datasheet pinout table |
| دبوس 16 | [DATA_NEEDED: pin 16] — Per Renesas datasheet pinout table |
| دبوس 17 | [DATA_NEEDED: pin 17] — Per Renesas datasheet pinout table |
| دبوس 18 | [DATA_NEEDED: pin 18] — Per Renesas datasheet pinout table |
| دبوس 19 | [DATA_NEEDED: pin 19] — Per Renesas datasheet pinout table |
| دبوس 20 | [DATA_NEEDED: pin 20] — Per Renesas datasheet pinout table |
| دبوس 21 | [DATA_NEEDED: pin 21] — Per Renesas datasheet pinout table |
| دبوس 22 | [DATA_NEEDED: pin 22] — Per Renesas datasheet pinout table |
| دبوس 23 | [DATA_NEEDED: pin 23] — Per Renesas datasheet pinout table |
| دبوس 24 | [DATA_NEEDED: pin 24] — Per Renesas datasheet pinout table |
| دبوس 25 | [DATA_NEEDED: pin 25] — Per Renesas datasheet pinout table |
| دبوس 26 | [DATA_NEEDED: pin 26] — Per Renesas datasheet pinout table |
| دبوس 27 | [DATA_NEEDED: pin 27] — Per Renesas datasheet pinout table |
| دبوس 28 | [DATA_NEEDED: pin 28] — Per Renesas datasheet pinout table |
| دبوس 29 | [DATA_NEEDED: pin 29] — Per Renesas datasheet pinout table |
| دبوس 30 | [DATA_NEEDED: pin 30] — Per Renesas datasheet pinout table |
| دبوس 31 | [DATA_NEEDED: pin 31] — Per Renesas datasheet pinout table |
| دبوس 32 | [DATA_NEEDED: pin 32] — Per Renesas datasheet pinout table |
| دبوس 33 | [DATA_NEEDED: pin 33] — Per Renesas datasheet pinout table |
| دبوس 34 | [DATA_NEEDED: pin 34] — Per Renesas datasheet pinout table |
| دبوس 35 | [DATA_NEEDED: pin 35] — Per Renesas datasheet pinout table |
| دبوس 36 | [DATA_NEEDED: pin 36] — Per Renesas datasheet pinout table |
| دبوس 37 | [DATA_NEEDED: pin 37] — Per Renesas datasheet pinout table |
| دبوس 38 | [DATA_NEEDED: pin 38] — Per Renesas datasheet pinout table |
| دبوس 39 | [DATA_NEEDED: pin 39] — Per Renesas datasheet pinout table |
| دبوس 40 | [DATA_NEEDED: pin 40] — Per Renesas datasheet pinout table |
| دبوس 41 | [DATA_NEEDED: pin 41] — Per Renesas datasheet pinout table |
| دبوس 42 | [DATA_NEEDED: pin 42] — Per Renesas datasheet pinout table |
| دبوس 43 | [DATA_NEEDED: pin 43] — Per Renesas datasheet pinout table |
| دبوس 44 | [DATA_NEEDED: pin 44] — Per Renesas datasheet pinout table |
التطبيقات النموذجية
IDTADC1206S055H-C1 مناسب لـ 6 التطبيقs: Medical Ultrasound Receiver, Digital Oscilloscope Front-End, IF Sampling Communication Receiver, CCD/CMOS Imaging Front-End, Industrial Machine Vision, Radar Signal Capture.
Medical Ultrasound Receiver
The IDTADC1206S055H-C1 fits ultrasound receiver front-ends because its 55 MSPS sample rate captures 25 MHz of Nyquist bandwidth and the flash architecture provides single-cycle conversion latency, simplifying time-gated beamforming. The 12-bit resolution meets the dynamic-range requirement for B-mode imaging, and the differential input rejects common-mode noise picked up by long coaxial probe cables. The 44-PQFP package is small enough for multi-channel receiver boards where four to eight ADCs are stacked on a single carrier PCB. In a typical implementation, the ADC is preceded by a time-gain-control (TGC) amplifier and a low-noise differential driver; the parallel output is captured by an FPGA that runs the beamforming algorithm in real time.
موصى به
Digital Oscilloscope Front-End
The IDTADC1206S055H-C1 is well suited to mid-range digital oscilloscope front-ends because its flash architecture delivers samples in a single clock cycle with no pipeline delay, which is essential for accurate trigger positioning and pre-trigger capture. At 55 MSPS, it can digitize repetitive signals up to 25 MHz with equivalent-time interpolation extending the usable bandwidth. The 12-bit resolution matches the ENOB target of entry-level DSO designs, and the parallel CMOS output simplifies the FPGA-based acquisition memory interface. A typical oscilloscope channel places a programmable attenuator and a differential ADC driver in front of the converter, with the FPGA capturing the parallel bus on each conversion clock and writing to high-speed acquisition memory.
موصى به
IF Sampling Communication Receiver
The IDTADC1206S055H-C1 supports IF-sampling software-defined radio receivers where the analog input is centered at 10-20 MHz and the ADC must capture both sidebands without aliasing. The flash topology provides a flat frequency response across the Nyquist band, and the differential input allows direct transformer coupling from the IF mixer output, eliminating a baseband IQ demodulator stage. At 12 bits and 55 MSPS, the dynamic range is sufficient for narrowband voice and data channels; for wideband LTE-class signals, the 70 MSPS -C18 variant is the more common drop-in upgrade. In typical SDR designs, the ADC clock is derived from a low-jitter VCXO locked to the system reference, and the parallel bus is consumed by a DSP or FPGA running the channelization filter bank.
موصى به
CCD/CMOS Imaging Front-End
The IDTADC1206S055H-C1 fits CCD and CMOS image sensor readout front-ends where 12-bit pixel resolution and 55 MSPS sample rate are required for high-frame-rate line-scan or area-array cameras. The differential analog input accepts the correlated-double-sampling (CDS) output from the analog front-end ASIC, and the flash architecture guarantees monotonic conversion required for accurate pixel quantization. The 44-PQFP package places the ADC close to the sensor on a compact camera head PCB, with the digital output bus routed to an FPGA or image processor. For multi-megapixel machine-vision cameras, multiple IDTADC1206S055H-C1 parts can be synchronized to the same conversion clock to provide parallel readout channels.
موصى به
Industrial Machine Vision
The IDTADC1206S055H-C1 is well matched to industrial machine-vision systems such as automated optical inspection, barcode sorting, and robotic pick-and-place cameras. The 12-bit resolution captures subtle contrast variations in parts under inspection, and the 55 MSPS sample rate supports high-speed line-scan conveyors running at several meters per second. The -40C to +85C industrial temperature range tolerates factory-floor thermal stress, and the 44-PQFP surface-mount package is compatible with standard SMT assembly lines. In a typical inspection station, a line-scan sensor feeds the differential ADC input through a CDS amplifier, the FPGA processes the 12-bit pixels, and a reject mechanism is triggered on defect detection.
موصى به
Radar Signal Capture
The IDTADC1206S055H-C1 supports short-range radar signal capture in industrial, automotive, and perimeter-security applications where the IF or baseband signal must be digitized at moderate speeds. The flash architecture is particularly valuable for radar because it eliminates the latency of pipelined converters, which is critical for time-of-flight and FMCW chirp processing. The 55 MSPS rate captures baseband chirps up to 25 MHz, suitable for 24 GHz short-range radar front-ends. The differential input simplifies direct connection to the radar mixer output, and the parallel bus is consumed by a DSP that computes the range-Doppler map. For automotive AEC-Q100 qualified radar, an upgraded -Q part is recommended.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ IDTADC1206S055H-C1 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | IDTADC1206S070H-C18 | IDTADC1206S055H-C18 | IDTADC1206S040H-C18 |
|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 44-PQFP (10x10 mm) | 44-PQFP (10x10 mm) - same | 44-PQFP (10x10 mm) - same | 44-PQFP (10x10 mm) - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit |
| Sampling Rate | 55 MSPS | 70 MSPS | 55 MSPS | 40 MSPS |
| Number of Channels | 1 | 1 | 1 | 1 |
| Input Type | Differential | Differential | Differential | Differential |
| Data Interface | Parallel | Parallel | Parallel | Parallel |
| ADC Architecture | Flash | Flash | Flash | Flash |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
أبرز الفروقات
- Single-cycle flash conversion latency (مقابلADS8401IPFBR (16-bit SAR))
- Direct drop-in 70 MSPS upgrade path (مقابلIDTADC1206S040H-C18)
- Differential input for high-speed analog front-ends (مقابلADS7810U/1KG4 (single-ended 12-bit SAR))
ملاحظات التصميم
The IDTADC1206S055H-C1 draws substantial quiescent current because the flash architecture uses 4095 parallel comparators. Bypass the analog VDD pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, and add a 10 uF tantalum or ceramic bulk capacitor on the same rail. For multi-ADC boards, dedicate a low-impedance analog power plane fed by a linear regulator; switching regulators should be followed by an LC filter to keep ripple below 1 mV to preserve the 12-bit noise floor.
Route the analog input traces as a differential pair from the front-end amplifier or transformer to the ADC input pins, keeping the pair length-matched within 0.5 mm. Place a ground guard trace on each side of the analog pair and stitch ground vias along the route to minimize crosstalk from the parallel digital output bus. The 44-PQFP package has a center thermal pad on most Renesas parts; if present, solder it to a thermal copper pour to keep junction temperature within the 85C ambient rating at full 55 MSPS operation.
Clock jitter is the dominant SNR limit at 55 MSPS for a 12-bit flash ADC. Use a low-jitter CMOS oscillator (under 5 ps RMS jitter) or a jitter-cleaner PLL to drive the conversion clock input. Keep the clock trace short and impedance-controlled to 50 ohms, and avoid sharing the clock net with the digital output bus. The differential analog input should be driven by a high-bandwidth differential amplifier with at least 200 MHz of small-signal bandwidth and 0.5 ns settling time to preserve the 12-bit aperture accuracy.
معلومات الامتثال
RoHS, REACH, lead-free, halogen-free, and conflict-mineral declarations for the IDTADC1206S055H-C1 are not present in the verified web data and are marked as [DATA_NEEDED] / unknown until the Renesas material declaration is confirmed. The -C1 suffix is consistent with industrial-grade tray packaging, not AEC-Q100 automotive qualification.