HMCAD1051-80 - 12/13-Bit 80MSPS Ultra-Low-Power ADC | Analog Devices
N.º de pieza: HMCAD1051-80 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.85 | $168,50 |
| 100 | $14.9 | $1.490,00 |
| 500 | $13.2 | $6.600,00 |
| 1.000 | $11.55 | $11.550,00 |
HMCAD1051-80 Descripción general
An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts continuous analog voltage signals into discrete digital codes. ADCs sit at the boundary between the analog physical world and the digital processing domain, enabling software-defined radios, digital oscilloscopes, medical imaging, and industrial sensors to capture real-world signals. Within the signal chain hierarchy, the ADC follows the front-end analog conditioning (amplifiers and filters) and precedes digital signal processing (DSP, FPGA, or microcontroller). The HMCAD1051 is a pipelined ADC, a sub-type of successive-approximation and flash architectures that achieves high sample rates at moderate resolution with low latency per stage.
Key differentiating features include selectable 12-bit or 13-bit resolution, an input bandwidth exceeding 100 MHz, an integrated high-linearity sample-and-hold, and a flexible CMOS clock input that accepts both single-ended and differential sine-wave clocks. The proprietary pipeline structure provides spurious-free dynamic range (SFDR) above 70 dBc at near-Nyquist input frequencies, and the device supports both internal and external reference modes for system calibration.
The HMCAD1051-80 implements a multi-stage pipelined topology with digital error correction, allowing a small die size and low power consumption compared with flash ADCs at the same sample rate. A proprietary input structure preserves linearity across the full-scale input range, and the LVCMOS/CMOS output stage is compatible with standard FPGA and ASIC digital receivers at rates up to 80 MSPS.
Typical applications include software-defined radio (SDR) baseband digitizers, high-speed data acquisition front ends, communications test equipment, medical ultrasound receivers, and broadband IF sampling for instrumentation. The wide analog input bandwidth also makes the part suitable for radar, lidar, and high-speed industrial control loops.
Designers should note that at 80 MSPS the analog input must be driven from a low-impedance, broadband amplifier with proper anti-alias filtering ahead of the ADC input. Using the internal reference is preferred for compact designs; an external reference can be applied when multiple ADCs must be matched to a single system reference for gain calibration.
This page synthesizes distributor pricing, drop-in alternatives, application recommendations, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster path from selection to layout.
Alternativas directas para HMCAD1051-80 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con HMCAD1051-80 (mismo factor de forma y huella) — difiere en Number of Channels, Resolution, Architecture, Package, Clock Input.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
HMCAD1050-80
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$14.95 / unidad
Ver hoja de datos →HMCAD1051-65
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
HMCAD1051-80 Valores máximos y características eléctricas
| Resolución | 12 or 13 bit (selectable) |
| Sample Rate (Max) | 80 MSPS |
| Number of Channels | 1 Input |
| Architecture | Pipelined |
| Analog Supply Voltage | 3.0 V (typical) |
| Power Dissipation | approximately 90 mW at 80 MSPS |
| Reference | Internal / External |
| Clock Input | CMOS, single-ended or differential |
| Output Interface | CMOS / LVCMOS parallel |
| SFDR | approximately 70 dBc at near-Nyquist |
| Input Type | Single-ended analog input |
| Encapsulado | 40-QFN (6x6 mm) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de HMCAD1051-80
| Pin 1 | AIN — Analog input |
| Pin 2 | AVSS — Analog ground |
| Pin 3 | AVDD — Analog 3.0 V supply |
| Pin 4 | VREF — Reference voltage (decoupling) |
| Pin 5 | REFSEL — Internal/external reference select |
| Pin 6 | GND — Ground |
| Pin 7 | CKP — Clock positive input |
| Pin 8 | CKN — Clock negative input (tie to GND for CMOS clock) |
| Pin 9 | DRVDD — Digital output driver supply |
| Pin 10 | DRVSS — Digital output driver ground |
| Pin 11 | OE — Output enable (active high) |
| Pin 12 | PD — Power-down (active high) |
| Pin 13 | BIT13 — Resolution select (12/13-bit mode) |
| Pin 14 | DCS — Duty-cycle stabilizer select |
| Pin 15 | RESET — Digital reset |
| Pin 16 | D0 — CMOS output data bit 0 (LSB) |
| Pin 17 | D1 — CMOS output data bit 1 |
| Pin 18 | D2 — CMOS output data bit 2 |
| Pin 19 | D3 — CMOS output data bit 3 |
| Pin 20 | D4 — CMOS output data bit 4 |
| Pin 21 | D5 — CMOS output data bit 5 |
| Pin 22 | D6 — CMOS output data bit 6 |
| Pin 23 | D7 — CMOS output data bit 7 |
| Pin 24 | D8 — CMOS output data bit 8 |
| Pin 25 | D9 — CMOS output data bit 9 |
| Pin 26 | D10 — CMOS output data bit 10 |
| Pin 27 | D11 — CMOS output data bit 11 |
| Pin 28 | D12 — CMOS output data bit 12 (MSB in 13-bit mode) |
| Pin 29 | NC — Not connected (per datasheet) |
| Pin 30 | NC — Not connected (per datasheet) |
| Pin 31 | DVDD — Digital core supply |
| Pin 32 | DGND — Digital ground |
| Pin 33 | TEST — Factory test pin (tie to ground) |
| Pin 34 | NC — Not connected (per datasheet) |
| Pin 35 | NC — Not connected (per datasheet) |
| Pin 36 | NC — Not connected (per datasheet) |
| Pin 37 | NC — Not connected (per datasheet) |
| Pin 38 | NC — Not connected (per datasheet) |
| Pin 39 | AVDD — Analog 3.0 V supply (separate pin) |
| Pin 40 | AVSS — Analog ground (separate pin) |
Aplicaciones típicas
HMCAD1051-80 es adecuado para 6 aplicacións: Software-Defined Radio Baseband Digitizer, High-Speed Data Acquisition Front End, Communications Test Equipment, Medical Ultrasound Receiver, Broadband IF Sampling, Radar and Lidar Baseband Digitizer.
Software-Defined Radio Baseband Digitizer
The HMCAD1051-80 serves as the baseband ADC in software-defined radio platforms where 12/13-bit resolution and 80 MSPS are sufficient for IF or zero-IF sampling. Its approximately 90 mW dissipation keeps the receiver thermal budget manageable in portable SDR equipment, and the CMOS output bus feeds directly into an FPGA digital down-converter. Designers benefit from the part's 100 MHz-class analog input bandwidth, which comfortably covers typical IF bandwidths of 20-40 MHz used in modern SDR front-ends.
Recomendado
High-Speed Data Acquisition Front End
In data acquisition cards and modular instruments, the HMCAD1051-80 digitizes analog sensor signals at 80 MSPS with 12/13-bit resolution. Its pipelined architecture provides low per-sample latency and consistent throughput, while the 40-QFN 6x6 mm footprint enables compact multi-channel boards when several devices are paralleled with synchronized clocks. Internal reference operation simplifies factory calibration by removing external reference drift as a variable.
Recomendado
Communications Test Equipment
The HMCAD1051-80 digitizes modulated IF signals in communications test sets, spectrum analyzers, and signal generators where 80 MSPS provides oversampling margin for accurate EVM measurements. Its 70 dBc-class SFDR at near-Nyquist inputs preserves modulation fidelity for QAM and OFDM waveforms. The CMOS control interface eases integration with embedded controllers that configure the part at boot.
Recomendado
Medical Ultrasound Receiver
Portable and cart-based ultrasound systems use the HMCAD1051-80 to digitize the receive signal from transducer arrays at 80 MSPS, with the 12/13-bit resolution giving sufficient dynamic range for B-mode imaging. The low 90 mW power dissipation allows dense channel packing behind each transducer element, reducing heat in patient-contact modules. CMOS outputs simplify routing to the FPGA beamformer.
Recomendado
Broadband IF Sampling
Wideband IF sampling architectures benefit from the HMCAD1051-80's 100 MHz analog input bandwidth, which permits digitizing intermediate frequencies up to approximately 50 MHz directly without a second downconversion stage. This simplifies receiver signal chains and lowers BOM cost compared with multi-stage heterodyne designs. Single-supply 3.0 V operation also eases power tree design.
Recomendado
Radar and Lidar Baseband Digitizer
Short-range radar and lidar receivers digitize the demodulated baseband with the HMCAD1051-80, capturing return pulses and FMCW ramps at 80 MSPS. The pipelined ADC's low per-stage latency preserves pulse timing, which is critical for accurate time-of-flight measurement. Its small 40-QFN footprint allows multi-receiver boards for phased-array or scanning lidar architectures.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para HMCAD1051-80 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | HMCAD1050-80 | HMCAD1051-65 |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Package | 40-QFN (6x6) | 40-QFN (6x6) - same | 40-QFN (6x6) - same |
| Resolution | 12/13-bit | 12/13-bit | 12/13-bit |
| Max Sample Rate | 80 MSPS | 80 MSPS | 65 MSPS (-19%) |
| Number of Channels | 1 | Multi-channel | 1 |
| Architecture | Pipelined | Pipelined | Pipelined |
| Output Interface | CMOS parallel | CMOS parallel | CMOS parallel |
| Reference | Internal/External | Internal/External | Internal/External |
Diferenciadores clave
- Ultra-low 90 mW dissipation at 80 MSPS (frente a ADS62P-series from Texas Instruments)
- Selectable 12-bit or 13-bit resolution (frente a HMCAD1051-65 (lower speed grade))
- Single-channel simplicity vs multi-channel family member (frente a HMCAD1050-80)
Notas de diseño
The HMCAD1051-80 exposed thermal pad must be soldered directly to a continuous, low-impedance PCB ground plane; using thermal vias under the pad is required for the 90 mW dissipation budget at 80 MSPS. Estimated thermal resistance theta_JA for a 40-QFN 6x6 mm with proper via stitching is approximately 35 C/W, which keeps junction rise to about 3 C above ambient at full speed - still permitting high-density layouts without an explicit heatsink.
Drive the analog input from a low-noise, low-distortion, broadband op-amp such as the AD8253 or ADL5201 placed within 5 mm of the AIN pin; longer traces pick up digital switching noise from the CMOS output bus. Place a 100 ohm series damping resistor and a small anti-alias RC network immediately before the AIN pin to limit broadband noise and absorb charge kickback from the internal sample-and-hold switches. Keep the analog input trace impedance matched to 50 ohm over a continuous reference plane.
Always tie the CKN clock input to ground when using a single-ended CMOS clock source; leaving it floating causes undefined clocking and elevated spurious tones. When using a differential sine clock, ensure amplitude is at least +/- 800 mVpp per the Analog Devices datasheet. Decouple the AVDD and DRVDD pins with separate 100 nF + 10 uF ceramic capacitor pairs within 3 mm of each pin to isolate noisy digital return currents from the analog supply.
Información de cumplimiento
RoHS/REACH compliance per Analog Devices product page. Halogen-free status not explicitly stated in the verified web data; marked as unknown pending datasheet confirmation. Not AEC-Q100 qualified - this part targets industrial and instrumentation markets, not automotive.
