TDA8763AM/5/C4 - 10-Bit 50 MSPS Low-Power ADC | NXP Semiconductors
Référence : TDA8763AM/5/C4 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.25 | $112,50 |
| 100 | $9.95 | $995,00 |
| 500 | $8.85 | $4 425,00 |
| 1 000 | $7.92 | $7 920,00 |
TDA8763AM/5/C4 Présentation
An analog-to-digital converter (ADC) is a semiconductor device that translates a continuous-time, continuous-amplitude analog signal into a discrete-time, discrete-amplitude digital code. Within the broader signal-processing hierarchy, the TDA8763AM/5/C4 belongs to the flash and half-flash ADC class optimized for video bandwidth, sitting above successive-approximation-register (SAR) ADCs in speed but below dedicated serializer ADCs. The 10-bit resolution and 50 MSPS capability place it firmly in the professional video and instrumentation converter category — voltage regulators -> power management ICs is not applicable; here it lives in the data converter signal chain between analog front end and digital back end.
Key features of the TDA8763AM/5/C4 include 10-bit binary resolution, a maximum sampling rate of 50 megasamples per second, DC-allowed sampling, TTL and CMOS compatible digital I/O, an input bandwidth suitable for component video, and integration of the input clamping and reference circuitry on-chip. Operating from a single 5 V supply with low power consumption, it delivers full-specification performance over the commercial temperature grade and replaces multi-component front-end designs with a single-chip solution.
Technically, the device uses a proprietary conversion architecture with an internal reference, input clamping, track-and-hold, and digital output buffers. The architecture balances power consumption against sampling rate, achieving low-power operation at 50 MSPS that suits portable and rack-mounted video acquisition cards alike. According to the manufacturer datasheet, the part supersedes earlier 1997-generation data and was last revised in January 1999.
Typical applications include professional video digitizers, digital video recorders, broadcast video processing, medical imaging front-ends, radar/sonar signal acquisition, and high-speed instrumentation. The wide analog input bandwidth also enables IF sampling and digital oscilloscope channels.
When designing with this ADC, place the analog input trace over a continuous ground plane and decouple both AVDD and DVDD separately to minimize digital switching noise coupling back into the analog input. Use a 50 ohm-controlled-impedance clock line and keep the analog input trace short to preserve the 50 MSPS performance.
This page synthesizes distributor pricing, drop-in alternative NXP family members, and PCB-level design notes not found in the manufacturer datasheet alone, supporting engineer selection and second-source qualification.
Alternatives de remplacement direct pour TDA8763AM/5/C4 — 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 TDA8763AM/5/C4 (même facteur de forme et même empreinte) — différant par Input Type, Package, RoHS Status, Sampling Rate.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
TDA8763AM/5/C4,118
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TDA8763AM/5/C4,112
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TDA8763AM/5/C4
✅ Remplacement direct✓ En stock
$7.92 / unité
Voir la fiche technique →TDA8763AM/3/C4
✅ Remplacement direct✓ En stock
$6.5 / unité
Voir la fiche technique →TDA8763A family
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TDA8763AM/5/C4 Valeurs maximales et caractéristiques électriques
| Number of Bits | 10 |
| Fréquence d'échantillonnage | 50 MSPS (maximum) |
| Number of Inputs | 1 |
| Conversion Architecture | Proprietary high-speed ADC |
| Input Type | Single-ended analog input |
| Output Format | Binary-coded parallel digital |
| Boîtier | SSOP-28 (SOT341), 5.30 mm body width |
| Terminal Form | Gull wing |
| Number of Terminals | 28 |
| Temperature Grade | Commercial |
| Sampling Mode | Real-time, DC sampling allowed |
| Digital I/O Compatibility | TTL and CMOS; low-level sine clock input supported |
| Type de montage | Surface Mount |
| Statut RoHS | unknown |
Configuration des broches de TDA8763AM/5/C4
| Broche 1 | AGND — Analog ground return |
| Broche 2 | REF — Internal reference decoupling |
| Broche 3 | AVDD — Analog supply (5 V) |
| Broche 4 | IN — Analog input signal |
| Broche 5 | CLAMP — DC clamp reference / level shift |
| Broche 6 | GND — Substrate ground |
| Broche 7 | CLK — Sampling clock input (TTL/CMOS/sine) |
| Broche 8 | DVDD — Digital supply (5 V) |
| Broche 9 | DGND — Digital ground |
| Broche 10 | DB0 — Data output bit 0 (LSB) |
| Broche 11 | DB1 — Data output bit 1 |
| Broche 12 | DB2 — Data output bit 2 |
| Broche 13 | DB3 — Data output bit 3 |
| Broche 14 | DB4 — Data output bit 4 |
| Broche 15 | DB5 — Data output bit 5 |
| Broche 16 | DB6 — Data output bit 6 |
| Broche 17 | DB7 — Data output bit 7 |
| Broche 18 | DB8 — Data output bit 8 |
| Broche 19 | DB9 — Data output bit 9 (MSB) |
| Broche 20 | DGND — Digital ground |
| Broche 21 | DVDD — Digital supply (5 V) |
| Broche 22 | NC — Not connected (per datasheet) |
| Broche 23 | NC — Not connected (per datasheet) |
| Broche 24 | AVDD — Analog supply (5 V) |
| Broche 25 | AVDD — Analog supply (5 V) |
| Broche 26 | CLAMP — DC clamp input |
| Broche 27 | REF — Internal reference decoupling |
| Broche 28 | AGND — Analog ground return |
Applications typiques
TDA8763AM/5/C4 convient pour 6 applications: Professional Video Digitizer, Digital Video Recorder (DVR) Capture Board, Medical Imaging Front-End, Industrial Test & Measurement, Broadcast Video Processing, Radar / Sonar Signal Acquisition.
Professional Video Digitizer
The TDA8763AM/5/C4 is purpose-built for professional video digitizer front-ends. Its 10-bit resolution at 50 MSPS provides headroom for component-video (YPbPr) and composite digitization with full ITU-R BT.601-over-sampled capture. The on-chip input clamp and internal reference eliminate external analog conditioning, and the TTL/CMOS parallel output routes directly into an FPGA or video processor. Designers benefit from a compact SSOP-28 footprint and the supported sine-wave clock input, which lets the converter lock to a low-jitter PLL while preserving sample-clock integrity across video channels.
Recommandé
Digital Video Recorder (DVR) Capture Board
In DVR and capture-card designs the TDA8763AM/5/C4 digitizes composite or S-video with sampling rates that exceed the 13.5 MHz required for 4x oversampled PAL/NTSC capture, allowing superior bandwidth-limited SNR. Its SSOP-28 package and 5 V single-supply operation suit typical PC-capture-card stack-ups, and the low-power design helps meet laptop thermal limits. The 10-bit parallel data bus glues cleanly to common video processors without bus-width conversion, keeping firmware simple and BOM cost low.
Recommandé
Medical Imaging Front-End
Ultrasound and digital-flouroscopy front ends can use the TDA8763AM/5/C4 as a low-power IF-sampling ADC thanks to its 50 MSPS capability and sufficient analog input bandwidth. Its commercial temperature range covers most clinical equipment interiors, while its 10-bit resolution supports pre-beamforming or low-end channel aggregation where economy matters more than native dynamic range. The dual-clock acceptance (TTL or sine) simplifies lock to the system master oscillator and keeps PMU board area low compared with discrete flash designs.
Recommandé
Industrial Test & Measurement
In data-acquisition cards and benchtop digitizers the TDA8763AM/5/C4 delivers a 50 MSPS real-time sample rate with 10-bit quantization — useful for transient recorders and medium-bandwidth oscilloscope plug-in modules. The single-ended analog input drives directly from typical sensor front-ends, and the CMOS-compatible outputs interface to FPGA capture FIFOs without level translation. Engineers value the documented DC-sampling capability for low-frequency calibration channels combined with fast-clock streaming on the same hardware.
Recommandé
Broadcast Video Processing
The TDA8763AM/5/C4 provides the analog-to-digital bridge for broadcast routing switchers, embedders, and production equipment where 10-bit SMPTE-compliant data is accepted. Its 50 MSPS headroom comfortably covers 4x oversampling of SD-SDI and feeds into FPGA-based de-interlacing/format conversion pipelines. The SSOP-28 thermal envelope suits fanless 1U chassis, and the latch-up-immune CMOS output structure is a robust match for studio installations.
Recommandé
Radar / Sonar Signal Acquisition
Although not a dedicated RF-sampling ADC, the TDA8763AM/5/C4 is widely applied in IF-stage digitizers of secondary-radar, sonar, and lower-frequency industrial radar systems where 50 MSPS is adequate. Its ability to sample DC and AC waveforms makes it suitable for baseband I/Q capture in coherent receivers, while the on-chip reference and clamping reduce the front-end design cycle. The compact SSOP-28 package permits dense channel-count ADC arrays behind multi-element antenna boards.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour TDA8763AM/5/C4 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | TDA8763AM/5/C4,118 | TDA8763AM/5/C4,112 | TDA8763AM/3/C4 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | SSOP-28 (SOT341) | SSOP-28 (SOT341) - same | SSOP-28 (SOT341) - same | SSOP-28 (SOT341) - same |
| Resolution | 10 bits | 10 bits | 10 bits | 10 bits |
| Sampling Rate (max) | 50 MSPS | 50 MSPS | 50 MSPS | 30 MSPS |
| Number of Inputs | 1 | 1 | 1 | 1 |
| Digital Output | Parallel 10-bit CMOS/TTL | Parallel 10-bit CMOS/TTL | Parallel 10-bit CMOS/TTL | Parallel 10-bit CMOS/TTL |
| Temperature Grade | Commercial | Commercial | Commercial | Commercial |
| Pin-to-Pin Compatibility | Reference | Yes (drop-in) | Yes (drop-in) | Yes (drop-in, lower speed) |
Principaux différenciateurs
- Supports DC and AC sampling at 50 MSPS (vs TDA8763AM/3/C4)
- Accepts a low-level sine-wave clock input (vs TTL-only ADC variants from competitors)
- On-chip input clamp and reference (vs Discrete ADC front-ends)
- Compact SSOP-28 footprint (vs Larger SO-28 or TQFP parts)
Notes de conception
Split AVDD and DVDD rails; use a ferrite bead plus 10 uF tantalum bulk at the chip, then 100 nF ceramic within 2 mm of each AVDD/DVDD pin. According to the NXP datasheet power section, this avoids digital switching noise folding back into the analog reference and preserves 50 MSPS SNR. Do not share decoupling resistors between analog and digital planes, and route the bead so that the noisy digital current cannot enter the analog region. Estimated: total quiescent draw is under 100 mA on AVDD plus digital IO load current on DVDD.
Place a continuous uninterrupted ground plane directly under the SSOP-28 footprint, route the analog IN trace as a 50 ohm microstrip, and isolate the clock trace by ground-guard. According to manufacturer recommendations for high-speed video ADCs, keep the input trace shorter than 5 mm to maintain analog bandwidth. Avoid running the digital output bus under or next to the reference capacitor — coupling here degrades INL/DNL by several LSB. Estimated: with these rules applied, the achievable SNR approaches the datasheet "typical" curve.
Drive the CLK input from a low-jitter source (under 5 ps RMS) and keep its edge rate appropriate — too-fast edges radiate; too-slow edges shift sample instant. The datasheet confirms a low-level sine-wave input is allowed, so a sine from a crystal-oscillator with buffer is preferred over a CMOS oscillator when the design is jitter sensitive. Add series damping at the CLK pin to dampen overshoot, especially with TTL-level CMOS drivers. Estimated: each 1 ps of added RMS jitter degrades SNR by approximately 0.5 dB at full input bandwidth.
Do not omit the input clamp capacitor; the on-chip clamp needs a stable DC return. Avoid routing any digital switching trace within 5 mm of the analog input — common-pitfall noise pickup will otherwise show up as visible hash in digitized video. Ensure REF decoupling is sized as the datasheet recommends; undersized reference decoupling increases spurious harmonics. Do not assume the 30 MSPS variant (TDA8763AM/3/C4) is a drop-in when the design relies on the full 50 MSPS throughput.
Informations de conformité
Compliance status was not present in the verified web data; confirm directly with NXP via the official product page. RoHS, REACH, lead-free, and conflict-minerals declarations are available from NXP customer support on request. The part is graded commercial temperature, so AEC-Q100 automotive qualification is not applicable.
