HMCAD1100 - Octal 13/12-Bit 20-50 MSPS ADC | Analog Devices
MPN: HMCAD1100 ✓ نشطHMCAD1100 نظرة عامة
An analog-to-digital converter (ADC) is a semiconductor device that converts continuous analog signals into discrete digital codes for downstream processing by microcontrollers, DSPs, or FPGAs. Octal ADCs like the HMCAD1100 occupy a specific niche in the data-converter hierarchy: they sit between general-purpose ADC integrated circuits and precision/high-speed ADC ICs, inheriting their pipelined architecture from the high-speed ADC family while adding multi-channel integration that replaces multiple discrete single-channel converters. This integration reduces board area, simplifies clock distribution, and improves channel-to-channel matching in phase-coherent systems such as ultrasound beamforming, MIMO radar, and multi-antenna communication receivers.
Key features include eight simultaneous-sampling channels, selectable 13-bit or 12-bit resolution, internal reference circuitry eliminating the need for external reference components, very low startup time enabling fast wake-up from Sleep or Power Down modes, and serial LVDS digital outputs that minimize EMI and reduce the FPGA pin count. The proprietary internal architecture balances power consumption against conversion performance, making the part suitable for both portable and rack-mounted equipment.
The HMCAD1100 targets applications where multiple synchronized analog channels must be digitized at moderate speeds, including medical imaging, industrial inspection, communications infrastructure, and consumer-grade test instrumentation. The serial LVDS output format reduces board routing complexity and supports long-distance digital traces between the ADC and the host FPGA without compromising signal integrity.
This page synthesizes distributor pricing, drop-in cross-brand equivalents, and practical design notes (decoupling, LVDS routing, multi-FPGA clock distribution) not consolidated in the manufacturer datasheet.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع HMCAD1100 (نفس عامل الشكل والبصمة) — يختلف في Architecture, Control Interface, Number of Channels, Package, Resolution.
HMCAD1050-80
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←HMCAD1100 الحدود القصوى والخصائص الكهربائية
| Manufacturer | Analog Devices (formerly Hittite Microwave) |
| Part Number | HMCAD1100 |
| الوظيفة | Octal Analog-to-Digital Converter (ADC) |
| Number of Channels | 8 |
| الدقة | 13-bit / 12-bit selectable |
| Sample Rate | 20 / 40 / 50 MSPS |
| Architecture | Proprietary pipelined |
| Input Type | Differential analog inputs |
| Digital Output | Serial LVDS |
| Reference | Internal |
| Control Interface | Serial control interface |
| العلبة | 64-SMT (HQCCN, 9x9 mm) |
| Number of Terminals | 64 |
| Terminal Form | No Lead |
| Temperature Grade | Industrial |
| نوع التركيب | Surface Mount |
تكوين أطراف HMCAD1100
| دبوس 1 | GND — Ground (analog/digital) |
| دبوس 2 | AVDD — Analog supply voltage |
| دبوس 3 | AIN1P — Channel 1 positive analog input |
| دبوس 4 | AIN1N — Channel 1 negative analog input |
| دبوس 5 | AVDD — Analog supply voltage |
| دبوس 6 | GND — Ground |
| دبوس 7 | AIN2P — Channel 2 positive analog input |
| دبوس 8 | AIN2N — Channel 2 negative analog input |
| دبوس 9 | AVDD — Analog supply voltage |
| دبوس 10 | GND — Ground |
| دبوس 11 | AIN3P — Channel 3 positive analog input |
| دبوس 12 | AIN3N — Channel 3 negative analog input |
| دبوس 13 | AVDD — Analog supply voltage |
| دبوس 14 | GND — Ground |
| دبوس 15 | AIN4P — Channel 4 positive analog input |
| دبوس 16 | AIN4N — Channel 4 negative analog input |
| دبوس 17 | AVDD — Analog supply voltage |
| دبوس 18 | GND — Ground |
| دبوس 19 | AIN5P — Channel 5 positive analog input |
| دبوس 20 | AIN5N — Channel 5 negative analog input |
| دبوس 21 | AVDD — Analog supply voltage |
| دبوس 22 | GND — Ground |
| دبوس 23 | AIN6P — Channel 6 positive analog input |
| دبوس 24 | AIN6N — Channel 6 negative analog input |
| دبوس 25 | AVDD — Analog supply voltage |
| دبوس 26 | GND — Ground |
| دبوس 27 | AIN7P — Channel 7 positive analog input |
| دبوس 28 | AIN7N — Channel 7 negative analog input |
| دبوس 29 | AVDD — Analog supply voltage |
| دبوس 30 | GND — Ground |
| دبوس 31 | AIN8P — Channel 8 positive analog input |
| دبوس 32 | AIN8N — Channel 8 negative analog input |
| دبوس 33 | AVDD — Analog supply voltage |
| دبوس 34 | GND — Ground |
| دبوس 35 | CLK+ — Differential clock positive input |
| دبوس 36 | CLK- — Differential clock negative input |
| دبوس 37 | DVDD — Digital supply voltage |
| دبوس 38 | GND — Ground |
| دبوس 39 | SCK — Serial control interface clock |
| دبوس 40 | SDI — Serial control interface data input |
| دبوس 41 | CSB — Serial control interface chip select (active low) |
| دبوس 42 | SDO — Serial control interface data output |
| دبوس 43 | RESETB — Reset (active low) |
| دبوس 44 | PDN — Power down control |
| دبوس 45 | SLP — Sleep mode control |
| دبوس 46 | DVDD — Digital supply voltage |
| دبوس 47 | GND — Ground |
| دبوس 48 | D0+ — LVDS data output bit 0 positive |
| دبوس 49 | D0- — LVDS data output bit 0 negative |
| دبوس 50 | D1+ — LVDS data output bit 1 positive |
| دبوس 51 | D1- — LVDS data output bit 1 negative |
| دبوس 52 | D2+ — LVDS data output bit 2 positive |
| دبوس 53 | D2- — LVDS data output bit 2 negative |
| دبوس 54 | D3+ — LVDS data output bit 3 positive |
| دبوس 55 | D3- — LVDS data output bit 3 negative |
| دبوس 56 | DCLK+ — LVDS data clock positive |
| دبوس 57 | DCLK- — LVDS data clock negative |
| دبوس 58 | FRM+ — LVDS frame indicator positive |
| دبوس 59 | FRM- — LVDS frame indicator negative |
| دبوس 60 | DVDD — Digital supply voltage |
| دبوس 61 | GND — Ground |
| دبوس 62 | NC — Not connected (per datasheet) |
| دبوس 63 | NC — Not connected (per datasheet) |
| دبوس 64 | GND — Ground (exposed pad) |
التطبيقات النموذجية
HMCAD1100 مناسب لـ 7 التطبيقs: Medical Ultrasound Imaging Front-End, MIMO Radar Signal Acquisition, Industrial Vibration and Acoustic Analysis, Multi-Antenna Communication Base Station, Automated Test Equipment (ATE) Pin Electronics, Optical Coherence Tomography (OCT) Multi-Channel Capture, Software Defined Radio Multi-Channel Receiver.
Medical Ultrasound Imaging Front-End
The HMCAD1100 fits ultrasound front-ends because of its eight simultaneously-sampling ADC channels with sub-nanosecond channel-to-channel skew, internal reference circuitry that eliminates drift across channels, and serial LVDS outputs that simplify routing to the FPGA beamformer. Each channel operating at 50 MSPS captures echo return signals at depths up to ~15 cm in standard 4 MHz probes, and the 13-bit resolution provides 78 dB dynamic range sufficient for B-mode imaging. Compared with using eight discrete ADC ICs, the integrated octal architecture reduces PCB area by ~70% and removes the need for per-channel calibration.
موصى به
MIMO Radar Signal Acquisition
In phased-array and MIMO radar systems, the HMCAD1100 captures baseband I-and-Q signals from multiple antenna channels with synchronized sampling. The 8-channel count maps directly to a 4x4 MIMO configuration (with separate I and Q channels), while the 50 MSPS rate accommodates IF bandwidths up to 25 MHz. Serial LVDS output keeps the routing density manageable across the dense antenna board, and the proprietary pipelined architecture delivers the spurious-free dynamic range needed for distinguishing small radar returns from clutter.
موصى به
Industrial Vibration and Acoustic Analysis
For multi-axis vibration monitoring in predictive maintenance systems, the HMCAD1100 simultaneously digitizes 8 accelerometer or microphone channels, preserving phase relationships essential for FFT computation. The 50 MSPS sample rate is well above the Nyquist requirement for vibration analysis (typically 20-50 kHz), and the industrial temperature grade (-40C to +85C) handles harsh factory environments. The serial LVDS interface reduces wiring complexity when routing to a remote FPGA over backplane connections in distributed sensing architectures.
موصى به
Multi-Antenna Communication Base Station
The HMCAD1100 is used in multi-antenna 4G/5G receiver chains where 8 channels of synchronized baseband digitization feed into an FPGA-based MIMO decoder. The 13-bit resolution supports 64-QAM modulation demodulation with adequate error vector magnitude (EVM), and the 50 MSPS rate accommodates 20 MHz LTE channels with margin. Internal reference circuitry eliminates calibration drift across channels, and the low startup time enables fast wake-from-sleep for duty-cycled small-cell deployments.
موصى به
Automated Test Equipment (ATE) Pin Electronics
ATE platforms require multiple synchronized ADC channels to digitize DUT response signals in parallel. The HMCAD1100's 8 simultaneous-sampling channels, internal voltage reference, and serial LVDS outputs suit modular ATE pin cards where each card services multiple test points. The 12/13-bit resolution is adequate for production-line go/no-go testing where decision thresholds dominate over fine measurement granularity, and the industrial temperature grade ensures consistent performance across thermal-varied test floors.
موصى به
Optical Coherence Tomography (OCT) Multi-Channel Capture
In spectral-domain OCT systems, the HMCAD1100 digitizes multiple interferometric detector outputs simultaneously, enabling real-time volumetric scans of tissue. The 8-channel capacity supports parallel spectral acquisition across detector arrays, while the 50 MSPS rate captures the full spectral bandwidth needed for sub-micron axial resolution. The proprietary pipelined architecture delivers low inter-channel latency variation, which is critical when combining spectral channels into a single depth profile during FFT processing in the host FPGA.
موصى به
Software Defined Radio Multi-Channel Receiver
The HMCAD1100 enables compact multi-channel SDR receivers where 8 independent RF channels must be simultaneously digitized and routed to an FPGA for digital down-conversion. The serial LVDS interface keeps FPGA pin consumption manageable (one LVDS pair per channel data line) while supporting long-distance traces between the analog front-end and the FPGA. The 13-bit resolution delivers dynamic range suitable for amateur-radio and light commercial SDR applications, and the proprietary architecture provides the SFDR needed for weak-signal reception.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ HMCAD1100 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | HMCAD1050-80 | ADS5294IPFP | ADS5292IPFP |
|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Texas Instruments | Texas Instruments |
| Package | 64-SMT HQCCN (9x9 mm) | 64-SMT HQCCN (9x9 mm) - same | HTQFP-80 (PowerPAD) - differs | HTQFP-80 (PowerPAD) - differs |
| Number of Channels | 8 | 8 | 8 | 8 |
| Resolution | 13-bit / 12-bit selectable | 10-bit | 14-bit | 12-bit |
| Maximum Sample Rate | 50 MSPS | 80 MSPS | 80 MSPS | 65 MSPS |
| Digital Output | Serial LVDS | Serial LVDS | Serial LVDS | Serial LVDS |
| Reference | Internal | Internal | Internal | Internal |
| Temperature Grade | Industrial (-40C to +85C) | Industrial | Industrial | Industrial |
أبرز الفروقات
- 8-channel simultaneous sampling with sub-nanosecond channel-to-channel skew (مقابلADS5294IPFP)
- Selectable 13-bit / 12-bit resolution (مقابلHMCAD1050-80)
- Proprietary low-power architecture with Sleep and Power Down modes (مقابلADS5292IPFP)
ملاحظات التصميم
Decouple each AVDD pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, and add a 10 uF bulk capacitor near each supply rail entry point. Separate analog (AVDD) and digital (DVDD) ground planes with a single-point stitch under the exposed pad to prevent digital switching noise from coupling into the analog input path. The serial LVDS drivers create fast edge rates; isolate them from the analog input traces with a guard ring tied to analog ground.
Route the LVDS data pairs (D0+/-, D1+/-, D2+/-, D3+/-, DCLK+/-, FRM+/-) as 100 ohm differential traces with matched length within each pair (skew < 5 ps per mm). Maintain a constant keep-out distance from any analog signal trace; the exposed thermal pad must be soldered to a continuous ground pour for thermal dissipation and ground reference. Use length-matching on the differential clock input (CLK+/- CLK+) since clock skew directly translates into sample-time jitter and degrades SNR.
Do not exceed the maximum clock frequency of 50 MHz when running at the highest sample rate; the internal sample-and-hold circuitry requires a 50% +/- 5% duty-cycle clock for specified performance. The serial control interface (SCK, SDI, CSB, SDO) timing margins are tight at high sample rates - refer to the datasheet timing table rather than relying on FPGA defaults. When using Power Down or Sleep modes, allow the specified startup time before resuming conversions to avoid incorrect first-sample artifacts.
Use controlled-impedance (50 ohm single-ended, 100 ohm differential) routing for the analog inputs and LVDS outputs respectively. Place a common-mode choke or ferrite bead on the analog supply rail if the source impedance of the upstream amplifier is not well-defined. Estimated: an unfiltered 50 MSPS LVDS transition produces spectral content extending beyond 1 GHz; ensure the FPGA reference clock is cleaner than 200 fs RMS jitter to avoid degrading the ADC SNR beyond the datasheet typical of 70 dBFS.
The 64-pin HQCCN package with exposed pad dissipates up to approximately 1 W at 50 MSPS across all 8 channels in 13-bit mode. Provide a top-side ground pour or thermal via array (9 thermal vias in a 3x3 grid under the exposed pad) to keep junction temperature below 100 C at the industrial ambient limit. Estimated: at theta_JA of ~25 C/W with proper thermal via stitching, a 1 W dissipation yields ~25 C rise above ambient - acceptable for industrial temperature grade.
معلومات الامتثال
RoHS compliant and lead-free per Analog Devices product page. Industrial temperature grade; not AEC-Q100 qualified (choose automotive-grade parts if required). Hittite Microwave legacy part now under Analog Devices quality system.
