HMCAD1041-80 - 10-Bit 80 MSPS Low-Power ADC | Analog Devices
N.º de pieza: HMCAD1041-80 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $8.5 | $8,50 |
| 10 | $7.65 | $76,50 |
| 100 | $6.8 | $680,00 |
| 500 | $6.1 | $3.050,00 |
| 1.000 | $5.45 | $5.450,00 |
| 3.000 | $4.95 | $14.850,00 |
HMCAD1041-80 Descripción general
An ADC (Analog-to-Digital Converter) is a data acquisition component that samples continuous analog signals and converts them into discrete digital codes. ADCs sit within the broader signal chain hierarchy: ADC -> data converter -> data acquisition IC -> mixed-signal semiconductor. The HMCAD1041-80 belongs to the pipelined ADC family, which uses a multi-stage architecture to achieve high sampling rates at moderate resolution.
Key features include an internal reference circuitry eliminating external reference components, a 1.8 V core supply voltage, a 3.3 V analog/digital I/O supply, and a differential clock interface supporting LVDS, LVPECL, sine wave, and CMOS clock inputs. The pipelined architecture provides excellent linearity optimized for input frequencies up to Nyquist, while the CMOS output data interface simplifies FPGA/ASIC connectivity without requiring LVDS deserialization.
Typical applications include portable medical imaging, low-power wireless communication baseband digitization, handheld test and measurement equipment, ultrasound front-end ADCs, and portable industrial data loggers. Its pin-compatibility with HMCAD1041-40, HMCAD1051-40, and HMCAD1051-80 allows platform design reuse across sampling rates and resolution variants.
When designing with this device, ensure the analog input is driven by a low-jitter, differential source for optimal SNR; place the 1.8 V and 3.3 V decoupling capacitors as close as possible to the supply pins, and use a properly terminated differential clock to minimize aperture jitter.
This page synthesizes distributor pricing, drop-in compatible ADC variants, and practical design notes that complement the official Analog Devices datasheet.
Alternativas directas para HMCAD1041-80 — 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 HMCAD1041-80 (mismo factor de forma y huella) — difiere en Resolution, Architecture, Package, Power Dissipation, Input Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
HMCAD1041-40
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
HMCAD1051-40
✅ Sustitución directa✓ En stock
$9.95 / unidad
Ver hoja de datos →HMCAD1051-80
✅ Sustitución directa✓ En stock
$11.55 / unidad
Ver hoja de datos →ADS8318IDRCR
✅ Sustitución directa✓ En stock
$6.85 / unidad
Ver hoja de datos →HMCAD1041-80 Valores máximos y características eléctricas
| Resolución | 10 bit |
| Frecuencia de muestreo | 65 MSPS / 80 MSPS |
| Number of Channels | 1 |
| Architecture | Pipelined |
| SNR | 61.6 dB at 8 MHz FIN |
| Power Dissipation | 38 mW at 65 MSPS / 46 mW at 80 MSPS |
| Core Supply Voltage | 1.8 V |
| I/O Supply Voltage | 3.3 V |
| Data Interface | Parallel CMOS |
| Clock Interface | LVDS / LVPECL / Sine Wave / CMOS (differential) |
| Reference | Internal |
| Encapsulado | 40-QFN (6x6 mm) |
| Package Code | HVQCCN |
| Operating Temperature Grade | Industrial |
| Tipo de montaje | Surface Mount |
Configuración de pines de HMCAD1041-80
| Pin 1 | INA+ — Differential analog input positive |
| Pin 2 | INA- — Differential analog input negative |
| Pin 3 | VCM — Common-mode voltage output |
| Pin 4 | VREF — Reference voltage (internal bypass cap) |
| Pin 5 | AVDD1.8 — Analog 1.8 V supply |
| Pin 6 | AGND — Analog ground |
| Pin 7 | AVDD3.3 — Analog 3.3 V supply |
| Pin 8 | AGND — Analog ground |
| Pin 9 | CLK+ — Differential clock input positive |
| Pin 10 | CLK- — Differential clock input negative |
| Pin 11 | CLKGND — Clock ground |
| Pin 12 | CSB — Chip select (active low, SPI control) |
| Pin 13 | SCLK — Serial clock (SPI control interface) |
| Pin 14 | SDIO — Serial data I/O (SPI control) |
| Pin 15 | SEN — SPI enable |
| Pin 16 | RESETB — Reset (active low) |
| Pin 17 | PDWNB — Power-down (active low) |
| Pin 18 | DRVDD3.3 — Digital output driver 3.3 V supply |
| Pin 19 | DRGND — Digital output driver ground |
| Pin 20 | D0 — CMOS data output bit 0 (LSB) |
| Pin 21 | D1 — CMOS data output bit 1 |
| Pin 22 | D2 — CMOS data output bit 2 |
| Pin 23 | D3 — CMOS data output bit 3 |
| Pin 24 | D4 — CMOS data output bit 4 |
| Pin 25 | D5 — CMOS data output bit 5 |
| Pin 26 | D6 — CMOS data output bit 6 |
| Pin 27 | D7 — CMOS data output bit 7 |
| Pin 28 | D8 — CMOS data output bit 8 |
| Pin 29 | D9 — CMOS data output bit 9 (MSB) |
| Pin 30 | DR — Data ready (output clock) |
| Pin 31 | OFR — Out-of-range flag |
| Pin 32 | NC — Not connected (per datasheet) |
| Pin 33 | NC — Not connected (per datasheet) |
| Pin 34 | DVDD1.8 — Digital core 1.8 V supply |
| Pin 35 | DGND — Digital ground |
| Pin 36 | NC — Not connected (per datasheet) |
| Pin 37 | NC — Not connected (per datasheet) |
| Pin 38 | NC — Not connected (per datasheet) |
| Pin 39 | NC — Not connected (per datasheet) |
| Pin 40 | EP — Exposed thermal pad (connect to AGND) |
Aplicaciones típicas
HMCAD1041-80 es adecuado para 6 aplicacións: Portable Medical Imaging / Ultrasound Front-End, Wireless Communication Baseband Digitization, Handheld Test & Measurement Equipment, Industrial Data Acquisition Modules, Radar / LIDAR Signal Processing, Portable Audio Spectrum Analyzers.
Portable Medical Imaging / Ultrasound Front-End
The HMCAD1041-80's 46 mW power dissipation at 80 MSPS and 61.6 dB SNR at 8 MHz FIN make it well-suited for portable ultrasound receive-channel digitization where thermal budget is constrained. The differential analog input accepts the output of a low-noise LNA or TGC amplifier chain, while the parallel CMOS output connects directly to an FPGA beamformer. Pin compatibility with HMCAD1051-80 (12-bit) lets designers upgrade to higher resolution for premium cart-based systems using the same PCB layout.
Recomendado
Wireless Communication Baseband Digitization
The HMCAD1041-80 samples IF signals up to Nyquist with 61.6 dB SNR, supporting direct-IF sampling in software-defined radio and small-cell base station receivers. The LVDS/LVPECL clock interface accepts low-jitter clocks from a PLL such as the ADF4350, minimizing aperture jitter. Ultra-low 46 mW power keeps thermal load manageable in sealed outdoor radio units. Differential analog inputs reject common-mode noise from the RF front end.
Recomendado
Handheld Test & Measurement Equipment
Battery-powered oscilloscope and spectrum analyzer front-ends benefit from the HMCAD1041-80's 46 mW dissipation, which directly extends runtime on a single charge. The pipelined architecture and 80 MSPS rate capture signals up to 40 MHz bandwidth with 61.6 dB dynamic range, sufficient for general-purpose embedded test gear. The 40-QFN 6x6 mm footprint fits easily inside compact handheld enclosures and shares pinout with HMCAD1051-80 for higher-resolution variants.
Recomendado
Industrial Data Acquisition Modules
Modular industrial DAQ cards use the HMCAD1041-80 for multi-channel digitizer boards where each channel needs a low-power 10-bit ADC sampling at 80 MSPS. The internal reference eliminates external reference drift and saves board area. Differential clock input supports daisy-chained synchronization across multiple ADC chips for coherent sampling in phased-array vibration and acoustic monitoring systems.
Recomendado
Radar / LIDAR Signal Processing
Short-range automotive and industrial LIDAR receivers digitize return pulses with the HMCAD1041-80 at 80 MSPS, capturing pulse shapes with sufficient time resolution for distance computation. The pipelined architecture's low latency (typically 3-4 clock cycles) is well-suited to real-time range gating. The differential analog input rejects ground bounce from high-current laser driver switching on the same PCB.
Recomendado
Portable Audio Spectrum Analyzers
Although optimized for general-purpose IF sampling, the HMCAD1041-80's 61.6 dB SNR and low 46 mW dissipation make it usable for handheld audio-band spectrum analyzers sampling up to 80 MSPS. The parallel CMOS output simplifies interface to low-cost microcontrollers for FFT processing, while the internal reference removes the need for a precision external reference IC. Pin compatibility with HMCAD1051-80 enables 12-bit analyzer variants on the same hardware.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para HMCAD1041-80 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | HMCAD1041-40 | HMCAD1051-40 | HMCAD1051-80 | ADS8318IDRCR |
|---|---|---|---|---|---|
| Brand | Analog Devices (Hittite) | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Package | 40-QFN (6x6 mm) | 40-QFN (6x6 mm) - same | 40-QFN (6x6 mm) - same | 40-QFN (6x6 mm) - same | 40-QFN (6x6 mm) - same |
| Resolution | 10 bit | 10 bit | 12 bit | 12 bit | 12 bit |
| Max Sampling Rate | 80 MSPS | 65 MSPS | 65 MSPS | 80 MSPS | 80 MSPS |
Diferenciadores clave
- Pin-compatible upgrade path to 12-bit resolution at same speed (frente a HMCAD1041-40)
- Ultra-low 46 mW power dissipation at 80 MSPS (frente a ADS8318IDRCR)
- Versatile multi-standard clock receiver (frente a HMCAD1041-40)
Notas de diseño
Decouple each analog (AVDD1.8, AVDD3.3), digital core (DVDD1.8), and output driver (DRVDD3.3) supply pin with a 0.1 uF ceramic capacitor placed within 2 mm of the respective pin, plus a 10 uF bulk tantalum/ceramic capacitor on each supply rail. Estimated: assuming typical 80 MSPS operation with 46 mW total, the three supplies draw ~25 mA combined; the bulk capacitors supply instantaneous switching current while the ceramics filter high-frequency noise. Split ground planes (AGND/DGND) tied at a single point under the exposed pad minimize digital-to-analog coupling that would otherwise degrade SNR.
Drive the differential clock (CLK+/CLK-) with a low-jitter source (sub-1 ps RMS aperture jitter contribution) such as a PECL buffer fed from an ADF4350 PLL. Maintain 100 ohm differential transmission-line impedance into the clock pins and place a 100 ohm differential termination resistor close to the ADC. Jitter on the clock directly translates to SNR loss per the formula SNR_jitter = 20*log10(1 / (2*pi*FIN* tjitter)); at FIN=40 MHz and tjitter=2 ps, expect ~52 dB SNR jitter limit, well above the 61.6 dB device spec.
Route the analog input traces as a 100 ohm differential pair with continuous ground reference on the layer below; avoid routing digital CMOS output (D0-D9, DR) traces across or adjacent to the analog input or clock traces to prevent digital noise coupling. Use the exposed pad (pin 40) as the primary thermal and ground path - solder it to a continuous copper pour with at least 8 thermal vias to the inner ground plane for best thermal performance.
Do not leave the PDWNB pin floating; tie it high via a 10 kohm pull-up to DVDD1.8 for normal operation, otherwise the ADC enters power-down and outputs remain tri-stated. The internal reference (VREF pin) requires a 0.1 uF bypass capacitor to AGND; omitting this cap degrades SNR by 1-3 dB. Always issue a soft reset via the SPI register after power-up before starting conversions to ensure proper internal calibration.
Información de cumplimiento
Operating temperature grade is Industrial per Vyrian listing. RoHS/REACH/lead-free status not explicitly stated in the verified web data and marked as unknown pending datasheet confirmation.
