TDA8763AM/3/C4 - 10-bit 30MSPS ADC, 28-SSOP | NXP
N.º da peça: TDA8763AM/3/C4 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $11.2 | $11,20 |
| 10 | $10.1 | $101,00 |
| 100 | $8.95 | $895,00 |
| 500 | $7.8 | $3.900,00 |
| 1.000 | $6.5 | $6.500,00 |
TDA8763AM/3/C4 Visão geral
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts continuous analog voltages into discrete digital codes, enabling microcontrollers, DSPs, and FPGAs to process real-world sensor and signal data. The hierarchy is: ADC -> data converter -> mixed-signal IC -> semiconductor. High-speed pipelined ADCs like the TDA8763A family sit between successive-approximation (SAR) ADCs (typically <5 MSPS) and flash ADCs (>100 MSPS), balancing speed, resolution, and power for video and instrumentation applications.
Key features include 10-bit resolution, 30 MSPS sampling rate, single-clock-cycle conversion latency, and a high signal-to-noise ratio suited for professional video digitisation. The /3 suffix denotes the 30 MHz speed grade, while /5 designates the 50 MHz grade in the same family. Differential analog inputs with built-in clamping reduce external component count.
The architecture combines input clamping, track-and-hold, and a proprietary multi-stage quantiser. Internal reference voltages and a low-jitter clock receiver reduce BOM cost. Digital outputs are CMOS-compatible and can be configured for 3.3V operation, simplifying interface to ASICs and DSPs.
Typical applications include professional SDTV video digitizers, medical imaging front-ends, IF sampling in communications receivers, and industrial inspection cameras. The wide bandwidth and low aperture delay make it suitable for any 10-bit, 30 MSPS analog interface.
When designing with this part, observe proper analog/digital ground partitioning and provide low-impedance 5V and 3.3V rails with adequate decoupling. The single-clock latency simplifies timing closure in FPGA-based video pipelines.
Alternativas drop-in para TDA8763AM/3/C4 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com TDA8763AM/3/C4 (mesmo formato e footprint) — diferindo em Package, Sampling Rate, Architecture, Input Type, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
TDA8763AM/4/C4
✅ Drop-In✓ Em estoque
$9.95 / unidade
Ver ficha técnica →TDA8763AM/5/C4
✅ Drop-In✓ Em estoque
$7.92 / unidade
Ver ficha técnica →TDA8763AM/3/C4,112
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TDA8763AM/3/C4,118
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MAX195BEWE
✅ Drop-In✓ Em estoque
$38.4 / unidade
Ver ficha técnica →TDA8763AM/3/C4 Classificações máximas e características elétricas
| Resolução | 10 bit |
| Taxa de amostragem | 30 MSPS |
| Number of Channels | 1 input |
| Conversion Latency | 1 clock cycle |
| Architecture | Sigma-Delta / proprietary pipeline |
| Input Type | Single-ended analog |
| Encapsulamento | 28-SSOP (SOT341-1) |
| Package Body Width | 5.30 mm |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +85C |
| Temperature Grade | Commercial |
| Number of Terminals | 28 |
| Terminal Form | Gull Wing |
| DC Sampling | Supported |
| Status RoHS | Compliant |
Configuração de pinos do TDA8763AM/3/C4
| Pino 1 | VCC5A — 5V analog supply |
| Pino 2 | AINP — Analog positive input |
| Pino 3 | AINN — Analog negative input |
| Pino 4 | GND_A — Analog ground |
| Pino 5 | CLAMP — Input clamp enable |
| Pino 6 | VREF — Reference voltage |
| Pino 7 | REFGND — Reference ground |
| Pino 8 | BIAS — Bias setting |
| Pino 9 | CLK — Sample clock input |
| Pino 10 | CLKGND — Clock ground |
| Pino 11 | OE — Output enable (active low) |
| Pino 12 | VCC3D — 3.3V digital supply |
| Pino 13 | GND_D — Digital ground |
| Pino 14 | D9 — Data output bit 9 (MSB) |
| Pino 15 | D8 — Data output bit 8 |
| Pino 16 | D7 — Data output bit 7 |
| Pino 17 | D6 — Data output bit 6 |
| Pino 18 | D5 — Data output bit 5 |
| Pino 19 | D4 — Data output bit 4 |
| Pino 20 | D3 — Data output bit 3 |
| Pino 21 | D2 — Data output bit 2 |
| Pino 22 | D1 — Data output bit 1 |
| Pino 23 | D0 — Data output bit 0 (LSB) |
| Pino 24 | DRDY — Data ready strobe |
| Pino 25 | NC — Not connected |
| Pino 26 | NC — Not connected |
| Pino 27 | NC — Not connected |
| Pino 28 | VCC5A — 5V analog supply (tie to pin 1) |
Aplicações típicas
TDA8763AM/3/C4 é adequado para 6 aplicaçãos: Professional SDTV Video Digitiser, Medical Imaging Front-End, IF Sampling in Communications Receivers, Industrial Inspection Camera, Test & Measurement Instrumentation, Legacy Industrial Control Digitiser.
Professional SDTV Video Digitiser
The TDA8763AM/3/C4's 30 MSPS sample rate exceeds the 27 MHz Nyquist requirement for SDTV (ITU-R BT.601 4:2:2) video digitisation, capturing composite or component analog video at 13.5 MHz pixel rate with 10-bit resolution. The single-clock-cycle conversion latency simplifies genlocking and frame-buffer alignment in FPGA-based video pipelines. Differential analog inputs with built-in clamping accept standard 1Vpp video directly, while the 5V analog and 3.3V digital supplies integrate easily with legacy video ASICs. Compared to the TDA8763AM/5 (50 MSPS), the /3 dissipates less power and costs less for cost-sensitive SDTV designs.
Recomendado
Medical Imaging Front-End
In ultrasound and digital X-ray front-ends, the TDA8763AM/3/C4 provides the 10-bit dynamic range and 30 MSPS throughput needed for beam-formed signal capture at baseband. Its single-clock latency enables deterministic timing for phased-array beam steering, while the commercial-grade -40C to +85C rating suits imaging carts and diagnostic consoles. Differential analog inputs reject common-mode noise from the transducer pre-amplifiers, and CMOS outputs interface cleanly to FPGA post-processing. The /3 variant balances cost and performance for entry-level ultrasound systems, while the /5 supports higher-end imaging.
Recomendado
IF Sampling in Communications Receivers
The TDA8763AM/3/C4 supports intermediate-frequency (IF) sampling in narrowband communications receivers, where analog IF signals in the 10-20 MHz range are digitised for downstream DSP demodulation. Its 10-bit resolution provides adequate dynamic range for FM and QPSK modulations, and the 30 MSPS sampling rate comfortably satisfies Nyquist at typical IF frequencies. The single-clock latency simplifies timing in synchroniser loops, while the SSOP-28 footprint saves PCB area compared to parallel ADCs in larger packages. Choose the /5 variant for wider-bandwidth IF or software-defined radio.
Recomendado
Industrial Inspection Camera
Machine-vision inspection cameras digitise analog sensor outputs at line rates up to 30 MHz with the TDA8763AM/3/C4, supporting standard CCD pixel clocks for VGA and SVGA resolutions. The single-clock-cycle latency enables real-time defect detection without buffering delay, and the CMOS outputs drive FPGA vision pipelines at 3.3V logic levels. Differential analog inputs reject common-mode noise from motor drives and switching power supplies typical in factory environments. The 28-SSOP package suits compact camera head electronics where board area is constrained.
Recomendado
Test & Measurement Instrumentation
Bench-top oscilloscopes, spectrum analysers, and data loggers leverage the TDA8763AM/3/C4 to digitise 10-bit wideband signals at 30 MSPS, providing sufficient bandwidth for audio, ultrasonic, and baseband RF measurement. The differential analog inputs pair naturally with front-end attenuators and AC-coupled instrumentation amplifiers. Single-clock latency preserves phase accuracy in FFT and correlation measurements. For higher-resolution test gear, designers can evaluate the MAX195BEWE (16-bit, 85 kSPS) as a complementary low-speed precision channel alongside the /3.
Recomendado
Legacy Industrial Control Digitiser
Long-lifecycle industrial PLCs and process-control modules built around the TDA8763AM/3/C4 family benefit from its 30 MSPS throughput and -40C to +85C operating range, enabling sensor-signal digitisation in factory automation. The single-clock latency simplifies deterministic real-time control loops, while the 28-SSOP package suits legacy through-hole-replacement PCB assemblies converted to surface-mount. Drop-in compatibility with the /4 (40 MSPS) and /5 (50 MSPS) speed grades lets designers scale throughput without layout changes. Evaluate modern replacements only when a board revision is otherwise required.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TDA8763AM/3/C4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | TDA8763AM/4/C4 | TDA8763AM/5/C4 | MAX195BEWE |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Maxim Integrated |
| Package | 28-SSOP (SOT341-1) | 28-SSOP (SOT341-1) - same | 28-SSOP (SOT341-1) - same | 28-SSOP - same |
| Resolution | 10 bit | 10 bit | 10 bit | 16 bit |
| Sampling Rate | 30 MSPS | 40 MSPS | 50 MSPS | 85 kSPS |
| Number of Channels | 1 input | 1 input | 1 input | 1 input |
| Architecture | Sigma-Delta / proprietary | Sigma-Delta / proprietary | Sigma-Delta / proprietary | SAR |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Lifecycle Status | NRND | NRND | NRND | Obsolete |
Principais diferenciais
- Single-clock-cycle conversion latency (vs MAX195BEWE)
- 30 MSPS throughput in compact 28-SSOP (vs TDA8763AM/5/C4)
- Wide commercial temperature range (vs TDA8763AM/3/C4,118)
Notas de projeto
Provide a clean, low-impedance 5V analog rail (pin 1 and pin 28 tied together) and a separate 3.3V digital rail (pin 12). Use a ferrite bead or pi-filter between analog and digital supplies to prevent switching noise from the digital domain coupling into the analog front-end. Place 100 nF ceramic decoupling as close as possible to each supply pin and a 10 uF tantalum bulk cap near the IC.
Partition the PCB into analog and digital ground planes joined only at a single point beneath the IC (star-ground topology). Route analog input traces differentially with matched lengths to preserve common-mode rejection at the AINP/AINN inputs. Keep digital output traces (D0-D9, DRDY) away from analog input traces to avoid digital-to-analog crosstalk.
Do not drive the analog inputs beyond the supply rails; the internal clamping diodes can forward-bias and inject charge into the substrate. Ensure the CLAMP pin is configured per the datasheet to prevent signal distortion on large over-range inputs. Verify the clock input (CLK) meets the minimum amplitude and jitter requirements specified for the 30 MSPS speed grade.
Informações de conformidade
RoHS compliant per NXP product page; not AEC-Q100 qualified (commercial temperature grade only).
