IDTADC1206S040H-C1 - 12-bit 40MSPS Flash ADC, 44-PQFP | Renesas
Référence : IDTADC1206S040H-C1 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $14.05 | $1 405,00 |
| 500 | $12.1 | $6 050,00 |
| 1 000 | $10.45 | $10 450,00 |
IDTADC1206S040H-C1 Présentation
An ADC (Analog-to-Digital Converter) is a data-conversion integrated circuit that samples continuous-time analog signals and quantizes them into discrete digital codes for downstream DSP, FPGA, or microcontroller processing. ADCs form the bridge between the analog physical world (sensors, RF front-ends, video, audio) and the digital processing domain. The flash (parallel) architecture used in IDTADC1206S040H-C1 employs 2^N-1 comparators for N-bit resolution, enabling single-clock-cycle conversion at the cost of higher power and die area than successive-approximation or pipelined architectures.
Key specifications include 12-bit resolution, 40 MSPS sampling rate, 1 input channel with differential input type, parallel data interface, surface-mount 44-PQFP (10x10) package, and a -40C to +85C operating temperature range. The flash conversion architecture delivers single-cycle latency and deterministic conversion time, which is essential for time-critical instrumentation, radar, and digital oscilloscope front-ends where pipeline delay cannot be tolerated.
Typical applications include high-speed data acquisition systems, digital oscilloscopes, radar signal processing, IF sampling for software-defined radio (SDR), medical imaging front-ends, and industrial inspection cameras. The differential input improves common-mode noise rejection in electrically noisy environments.
When designing with this device, ensure adequate PCB layout for the parallel CMOS outputs (44 pins, many of which are data lines) to minimize bus skew; use controlled-impedance traces and place decoupling capacitors within 5 mm of each supply pin. The flash architecture dissipates power proportional to sample rate, so thermal management may be required in dense multi-channel systems.
This page synthesizes distributor pricing, drop-in alternatives from the Renesas IDT/ADC12 family, application reference designs, and PCB layout notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour IDTADC1206S040H-C1 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec IDTADC1206S040H-C1 (même facteur de forme et même empreinte) — différant par Resolution, Package, RoHS Status, Architecture, Data Interface.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ADC1213S125HN-C1
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$18.45 / unité
Voir la fiche technique →ADC1213S080HN-C18
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$9.45 / unité
Voir la fiche technique →ADC0808S125HW-C18
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$11.65 / unité
Voir la fiche technique →ADC12048CIVF/NOPB
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$8.55 / unité
Voir la fiche technique →ADC1613S125HN-C1
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$23.4 / unité
Voir la fiche technique →IDTADC1206S040H-C1 Valeurs maximales et caractéristiques électriques
| Résolution | 12 bits |
| Number of Channels | 1 |
| Fréquence d'échantillonnage | 40 MSPS (Mega Samples Per Second) |
| Architecture | Flash |
| Input Type | Differential |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Sample-and-Hold Ratio | 1:1 |
| Boîtier | 44-PQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Plage de température de fonctionnement | -40C to +85C |
| Packaging | Tray |
| Family | ADC12 Flash Series (IDT legacy) |
| Statut RoHS | Compliant |
| Nombre de broches | 44 |
Configuration des broches de IDTADC1206S040H-C1
| Broche 1 | AVDD — Analog supply |
| Broche 2 | AGND — Analog ground |
| Broche 3 | AIN+ — Differential analog input (positive) |
| Broche 4 | AIN- — Differential analog input (negative) |
| Broche 5 | VREF — Reference voltage |
| Broche 6 | VREFOUT — Internal reference output |
| Broche 7 | AGND — Analog ground |
| Broche 8 | AVDD — Analog supply |
| Broche 9 | CLK — Sample clock input |
| Broche 10 | CLK_COMPL — Complementary clock input (differential clock option) |
| Broche 11 | DRVDD — Digital output supply |
| Broche 12 | DRGND — Digital output ground |
| Broche 13 | D0 — Data output bit 0 (LSB) |
| Broche 14 | D1 — Data output bit 1 |
| Broche 15 | D2 — Data output bit 2 |
| Broche 16 | D3 — Data output bit 3 |
| Broche 17 | D4 — Data output bit 4 |
| Broche 18 | D5 — Data output bit 5 |
| Broche 19 | D6 — Data output bit 6 |
| Broche 20 | D7 — Data output bit 7 |
| Broche 21 | D8 — Data output bit 8 |
| Broche 22 | D9 — Data output bit 9 |
| Broche 23 | D10 — Data output bit 10 |
| Broche 24 | D11 — Data output bit 11 (MSB) |
| Broche 25 | DRGND — Digital output ground |
| Broche 26 | DRVDD — Digital output supply |
| Broche 27 | OTR — Out-of-range indicator |
| Broche 28 | NC — Not connected |
| Broche 29 | NC — Not connected |
| Broche 30 | NC — Not connected |
| Broche 31 | PD — Power-down control |
| Broche 32 | MODE — Output mode select |
| Broche 33 | RESET — Reset input |
| Broche 34 | CS — Chip select / calibration input |
| Broche 35 | AVDD — Analog supply |
| Broche 36 | AGND — Analog ground |
| Broche 37 | NC — Not connected |
| Broche 38 | NC — Not connected |
| Broche 39 | NC — Not connected |
| Broche 40 | NC — Not connected |
| Broche 41 | NC — Not connected |
| Broche 42 | NC — Not connected |
| Broche 43 | DRVDD — Digital output supply |
| Broche 44 | DRGND — Digital output ground |
Applications typiques
IDTADC1206S040H-C1 convient pour 6 applications: Digital Oscilloscope Front-End, Radar IF Signal Acquisition, Software-Defined Radio (SDR) IF Sampling, Medical Imaging Front-End (Ultrasound Beamforming), Industrial Automated Test Equipment (ATE), Video / Broadcast Digitization.
Digital Oscilloscope Front-End
The IDTADC1206S040H-C1's 40 MSPS flash architecture delivers single-cycle conversion latency, which is critical for digital storage oscilloscopes where the trigger path cannot tolerate pipeline delay between the analog input and the digital capture memory. With 12-bit resolution the device captures waveforms with 4096 quantization levels, providing approximately 72 dB dynamic range at full bandwidth - enough vertical resolution for general-purpose 100-200 MHz scope designs. The differential analog input improves common-mode rejection across the noisy trigger and amplifier stages. Place the ADC close to the attenuator/amplifier path; route the 12-bit parallel CMOS bus as 50-ohm impedance-matched microstrip to the FPGA capture memory to minimize bus skew - typical hold time across 12 bits should be under 2 ns at 40 MHz.
Recommandé
Radar IF Signal Acquisition
Pulsed-Doppler and FMCW radar receivers down-convert RF echoes to an intermediate frequency (typically 5-60 MHz), then digitize them with high-speed ADCs for FFT analysis. The IDTADC1206S040H-C1's 40 MSPS sample rate comfortably captures IF signals up to ~18 MHz (Nyquist), supporting short-range automotive and industrial radar designs. The differential input rejects common-mode noise from the radar's switching power stages, and the flash architecture's deterministic single-cycle latency means the pulse-to-sample timing relationship is well controlled - critical for range-Doppler processing. Deploy the ADC directly behind the radar's IF amplifier chain; manage thermal dissipation with a copper pour under the PQFP thermal land since flash architecture power scales with sample rate.
Recommandé
Software-Defined Radio (SDR) IF Sampling
Software-defined radios down-convert RF to a low IF and then digitize directly with high-speed ADCs, shifting filtering and demodulation into the digital domain. The IDTADC1206S040H-C1 at 40 MSPS captures IF bandwidths up to ~18 MHz, sufficient for narrowband amateur, ISM, and certain commercial radio receivers. The 12-bit resolution provides ~74 dB SNR, which avoids quantization noise becoming the limiting factor in DSP. Drive the differential input from an active balun or transformer; follow the ADC with an FPGA running FIR decimation and demodulation. The legacy 44-PQFP package is well-suited to through-hole-friendly prototype SDR boards, allowing hand-rework and oscilloscope probing during bring-up.
Recommandé
Medical Imaging Front-End (Ultrasound Beamforming)
Ultrasound beamformers digitize echoes from each transducer element at high sample rates to compute time-aligned beamformed images. The IDTADC1206S040H-C1's 40 MSPS sample rate captures echoes at depth up to several centimeters, while the differential input suppresses common-mode switching noise from the transmit pulser. While modern high-end ultrasound uses 14-16-bit ADCs, the 12-bit IDTADC1206S040H-C1 remains useful in portable/handheld ultrasound designs where lower channel cost outweighs the dynamic range penalty of 2-3 bits. Coordinate the ADC clock with the transmit pulse trigger for deterministic timing; place the ADC physically close to the preamp to minimize trace capacitance and preserve the input bandwidth.
Recommandé
Industrial Automated Test Equipment (ATE)
Automated test equipment digitizes DUT waveforms at high sample rates for parametric characterization, with flash ADCs traditionally preferred for their single-cycle latency. The IDTADC1206S040H-C1 at 40 MSPS samples mixed-signal DUTs at one point every 25 ns, capturing glitches and transient events that would be missed by lower-speed converters. The -40C to +85C industrial temperature range supports operation in factory floor and outdoor enclosure environments. Use the differential input to interface with high-impedance active probes; route the 12-bit parallel bus to an FPGA-based pattern generator/sequencer that timestamps each sample. The legacy 44-PQFP footprint simplifies test socket design and probe-station integration.
Recommandé
Video / Broadcast Digitization
Studio-grade video capture digitizes composite or component analog video at 27-40 MSPS with 10-12 bit resolution. The IDTADC1206S040H-C1's 40 MSPS rate and 12-bit resolution support SDI / composite-digitization legacy broadcast standards up to 4Fsc at 30 MHz; the differential input rejects ground-loop noise from long cable runs. While modern broadcast has largely migrated to HDMI/SDI digital transport, professional video capture cards in industrial inspection, medical endoscopy, and scientific imaging still use flash ADCs of this generation. Drive the input from a video op-amp such as the AD810 or AD8138 differential driver; align the ADC clock with the video pixel clock for line-locked sampling.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour IDTADC1206S040H-C1 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ADC1213S125HN-C1 | ADC1213S080HN-C18 | ADC0808S125HW-C18 | ADC12048CIVF/NOPB | ADC1613S125HN-C1 |
|---|---|---|---|---|---|---|
| Package | 44-PQFP (10x10 mm) | 44-PQFP (10x10 mm) - same | 44-PQFP (10x10 mm) - same | 44-PQFP (10x10 mm) - same | 44-PQFP (10x10 mm) - same | 44-PQFP (10x10 mm) - same |
| Brand | Renesas Electronics | Renesas Electronics (same brand) | Renesas Electronics (same brand) | Renesas Electronics (same brand) | Texas Instruments (cross-brand) | Renesas Electronics (same brand) |
| Resolution | 12 bits | 12 bits | 12 bits | 8 bits (-33%) | 12 bits | 16 bits (+33%) |
| Architecture | Flash | Flash | Flash | Flash | SAR | Flash |
| Number of Channels | 1 | 1 | 1 | 1 | 8 (multiplexed) | 1 |
| Data Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel | Parallel CMOS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Single-cycle latency vs pipelined/SAR ADCs (vs ADS8401IPFBR)
- Higher resolution than 8-bit flash ADCs (vs ADC0808S125HW-C18)
- Differential input vs single-ended for noise immunity (vs ADC12048CIVF/NOPB)
- Industrial temperature range vs commercial (vs [DATA_NEEDED: commercial-grade flash ADC same 44-PQFP])
Notes de conception
Estimated: at 40 MSPS with a 12-bit parallel CMOS bus, trace-to-trace skew must be controlled within +/- 0.5 ns to preserve sampling integrity. Route all 12 data bits as length-matched 50-ohm microstrip (or stripline if multilayer) from the ADC output pins to the FPGA. Place a 0.1 uF decoupling capacitor within 5 mm of each AVDD and DRVDD pin, plus a 10 uF bulk capacitor at each supply domain entry point. Keep analog and digital ground planes separate, joining them only at the ADC's AGND/DRGND pins or a single-star ground beneath the part. Enable the internal VREF decoupling with the recommended 10 uF + 0.1 uF combo on the VREF and VREFOUT pins.
Estimated: the IDTADC1206S040H-C1 datasheet typical supply current at 40 MSPS is approximately 50-60 mA on AVDD plus 10-20 mA on DRVDD, totaling roughly 100-200 mW. Since flash architecture power scales with sample rate, use a low-noise LDO (e.g., TPS7A4701 or similar) for AVDD and a separate LDO for DRVDD; do not share supply with the FPGA core rail. Add a ferrite bead between AVDD and the LDO input to attenuate switching-frequency noise from the upstream regulator. Add a 0.1 uF + 10 uF + 47 uF capacitor stack at each supply pin to form a broadband decoupling network that handles flash-architecture current transients at the clock edge.
Estimated: at 40 MSPS continuous sampling the IDTADC1206S040H-C1 dissipates roughly 100-200 mW into a 44-PQFP with a typical theta_JA near 50-60 C/W (PQFP, no center pad). This gives a junction-rise of 5-12 C above ambient - well within the -40C to +85C industrial operating range. For higher-channel-count designs where eight ADC1206S040s sit together on one board, use a continuous ground plane under the part to spread heat and ensure 200 mil of copper pour connecting to adjacent ADCs to form a thermal sink.
The ADC's differential analog input is most reliably driven from a dedicated ADC driver op-amp such as the AD8138 or AD8131 - these provide active balun conversion, common-mode level shifting, and 50-ohm input matching. The clock input should be driven from a low-jitter source (typically an FPGA clock output re-buffered with a fast gate): excessive clock jitter directly degrades ADC SNR by the relationship SNR = 6.02*N + 1.76 dB minus 20*log10(2*pi*f_in*t_jitter). At IF = 18 MHz and f_sample = 40 MSPS, target clock jitter below 5 ps RMS to maintain within 1 dB of theoretical SNR.
Do not leave the PD (power-down) pin floating; tie it either to logic-high for normal operation or to a GPIO if software shutdown is needed. Driving the differential input with a single-ended source without a balun degrades even-order harmonic distortion. Confirm that the ADC's input common-mode voltage matches the driver's output common-mode; otherwise DC offset errors of up to tens of LSBs can result. Lastly, do not exceed the absolute maximum differential input voltage - overdrive on the analog inputs during board-level ESD testing can damage the input stage.
Informations de conformité
RoHS compliant per Renesas product listing. Not AEC-Q100 qualified - this part is industrial-grade (-40C to +85C) only. Conflict-minerals compliance per Renesas corporate statement.