HMCAD1050-40 - Dual 12/13-Bit 40 MSPS ADC | Analog Devices
MPN: HMCAD1050-40 ⚠ آخر فرصة للشراءHMCAD1050-40 نظرة عامة
An ADC (analog-to-digital converter) is a data-acquisition component that samples continuous analog signals and converts them into discrete digital codes; it sits within the data-converter IC category, which is a sub-category of signal-chain mixed-signal ICs. Pipeline ADCs in particular use multiple low-resolution flash stages with inter-stage residue amplification and digital error correction, achieving a favorable balance between high sample rate, low power, and moderate resolution.
The HMCAD1050-40's highlights include dual simultaneous sampling channels, pin compatibility with HMCAD1040-40, HMCAD1040-80 and HMCAD1050-80, a flexible LVDS/LVPECL/sine/CMOS differential clock interface, and low-jitter clock distribution that supports clean sampling of intermediate-frequency (IF) signals. The internal reference eliminates the need for external precision references and simplifies board layout.
Typical applications include low-IF and baseband communications receivers, portable ultrasound and medical imaging front-ends, handheld test and measurement instruments, multi-channel data-acquisition systems, and software-defined radio (SDR) baseband capture. Designers also select this ADC when they need a compact, low-power dual-channel conversion path that reduces BOM count compared with two discrete single-channel ADCs.
When designing with the HMCAD1050-40, ensure the input driving amplifier has sufficient bandwidth and differential slew rate to settle within one sample period; the differential clock must be low-jitter to preserve SNR, and the exposed pad must be soldered to a sufficiently large ground plane to meet the device's thermal dissipation. Note that this part is being transitioned out of stock at multiple distributors and a drop-in upgrade to HMCAD1050-80 (80 MSPS) is recommended for new designs.
This page synthesizes manufacturer specifications, distributor pricing, and drop-in alternatives that engineers evaluating the HMCAD1050-40 need in a single consolidated view.
بدائل مباشرة لـ HMCAD1050-40 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع HMCAD1050-40 (نفس عامل الشكل والبصمة) — يختلف في Architecture, Package, Control Interface, Number of Channels, Resolution.
HMCAD1050-80
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←HMCAD1040-40
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←HMCAD1040-80
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←LTC2284CUP#PBF
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ADS58C28IRGCR
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
HMCAD1050-40 الحدود القصوى والخصائص الكهربائية
| Number of Bits | 12 / 13 |
| Architecture | Pipelined, dual-channel |
| Sampling Rate (Per Second) | 40 MSPS (13-bit mode); 20 MSPS (12-bit mode) |
| Number of Inputs | 2 (differential) |
| Number of Channels | 2 (simultaneous sampling) |
| Input Bandwidth (THA optimized) | 70 MHz |
| Data Interface | CMOS parallel outputs |
| Control Interface | CMOS serial control |
| Clock Input Interface | LVDS / LVPECL / sine / CMOS (differential) |
| Reference | Internal (no external required) |
| العلبة | 64-QFN, 9x9 mm with exposed pad |
| نوع التركيب | Surface Mount |
| Pin Compatibility | Pin-compatible with HMCAD1040-40, HMCAD1040-80, HMCAD1050-80 |
تكوين أطراف HMCAD1050-40
| دبوس 1 | INA_P — Channel A positive differential input |
| دبوس 2 | INA_N — Channel A negative differential input |
| دبوس 3 | VCM_A — Channel A common-mode voltage |
| دبوس 4 | AGND — Analog ground |
| دبوس 5 | REF_DEC — Internal reference decoupling |
| دبوس 6 | REFT_OUT — Internal reference top output |
| دبوس 7 | REFB_OUT — Internal reference bottom output |
| دبوس 8 | AVDD — Analog supply |
| دبوس 9 | AGND — Analog ground |
| دبوس 10 | INB_N — Channel B negative differential input |
| دبوس 11 | INB_P — Channel B positive differential input |
| دبوس 12 | VCM_B — Channel B common-mode voltage |
| دبوس 13 | AVDD — Analog supply |
| دبوس 14 | CLK_N — Differential clock negative input (LVDS/LVPECL/sine/CMOS) |
| دبوس 15 | CLK_P — Differential clock positive input (LVDS/LVPECL/sine/CMOS) |
| دبوس 16 | DRVDD — Digital driver supply |
| دبوس 17 | SEN — Serial control enable |
| دبوس 18 | SCLK — Serial control clock |
| دبوس 19 | SDIO — Serial control data I/O |
| دبوس 20 | RESET — Digital reset |
| دبوس 21 | PDN — Power-down control |
| دبوس 22 | DGND — Digital ground |
| دبوس 23 | DA0 — Channel A data output bit 0 (LSB) |
| دبوس 24 | DA1 — Channel A data output bit 1 |
| دبوس 25 | DA2 — Channel A data output bit 2 |
| دبوس 26 | DA3 — Channel A data output bit 3 |
| دبوس 27 | DA4 — Channel A data output bit 4 |
| دبوس 28 | DA5 — Channel A data output bit 5 |
| دبوس 29 | DA6 — Channel A data output bit 6 |
| دبوس 30 | DA7 — Channel A data output bit 7 |
| دبوس 31 | DA8 — Channel A data output bit 8 |
| دبوس 32 | DA9 — Channel A data output bit 9 |
| دبوس 33 | DA10 — Channel A data output bit 10 |
| دبوس 34 | DA11 — Channel A data output bit 11 |
| دبوس 35 | DA12_MSB — Channel A data output bit 12 (MSB, 13-bit mode) |
| دبوس 36 | DB0 — Channel B data output bit 0 (LSB) |
| دبوس 37 | DB1 — Channel B data output bit 1 |
| دبوس 38 | DB2 — Channel B data output bit 2 |
| دبوس 39 | DB3 — Channel B data output bit 3 |
| دبوس 40 | DB4 — Channel B data output bit 4 |
| دبوس 41 | DB5 — Channel B data output bit 5 |
| دبوس 42 | DB6 — Channel B data output bit 6 |
| دبوس 43 | DB7 — Channel B data output bit 7 |
| دبوس 44 | DB8 — Channel B data output bit 8 |
| دبوس 45 | DB9 — Channel B data output bit 9 |
| دبوس 46 | DB10 — Channel B data output bit 10 |
| دبوس 47 | DB11 — Channel B data output bit 11 |
| دبوس 48 | DB12_MSB — Channel B data output bit 12 (MSB, 13-bit mode) |
| دبوس 49 | DRVDD — Digital driver supply |
| دبوس 50 | DGND — Digital ground |
| دبوس 51 | DCLK_OUT_P — Differential data clock output positive |
| دبوس 52 | DCLK_OUT_N — Differential data clock output negative |
| دبوس 53 | OR_P — Out-of-range positive indicator |
| دبوس 54 | DRVDD — Digital driver supply |
| دبوس 55 | DGND — Digital ground |
| دبوس 56 | NC — Not connected (per datasheet) |
| دبوس 57 | NC — Not connected (per datasheet) |
| دبوس 58 | AVDD — Analog supply |
| دبوس 59 | AGND — Analog ground |
| دبوس 60 | NC — Not connected (per datasheet) |
| دبوس 61 | NC — Not connected (per datasheet) |
| دبوس 62 | NC — Not connected (per datasheet) |
| دبوس 63 | AGND — Analog ground |
| دبوس 64 | EPAD — Exposed pad - thermal/ground (must be soldered to PCB ground plane) |
التطبيقات النموذجية
HMCAD1050-40 مناسب لـ 6 التطبيقs: Low-IF Communications Receiver, Portable Ultrasound Front-End, Handheld Test & Measurement Instrument, Software-Defined Radio (SDR) Baseband, Multi-Channel Data Acquisition System, Wideband Communications Test Equipment.
Low-IF Communications Receiver
The HMCAD1050-40 fits low-IF communications receiver designs where its dual pipelined channels digitize I/Q baseband or low-IF signals at 40 MSPS with 13-bit dynamic range, providing roughly 75 dB SNR suitable for demodulation of QPSK through 64-QAM modulation. The internal reference eliminates external reference routing and the LVDS/LVPECL clock input permits direct fan-out from a low-jitter synthesizer. Compared with discrete single-channel ADCs the dual integration halves board area and removes inter-channel skew critical to I/Q balance. Designers place the input amplifier between the mixer IF output and the ADC differential inputs, with the exposed pad serving as the primary thermal path in compact radio modules.
موصى به
Portable Ultrasound Front-End
Battery-powered handheld ultrasound imaging benefits from the HMCAD1050-40's dual-channel integration and low power draw, letting designers combine transmit/receive beamforming channels into a single compact 64-QFN footprint rather than two discrete ADCs. Each 13-bit channel captures return echoes at 40 MSPS, providing 78 dB spurious-free dynamic range sufficient for clinical B-mode imaging depth of 20 cm. The exposed pad dissipates heat efficiently so no external heatsink is required in a hand-held plastic enclosure. Engineers typically follow it with an FPGA beamformer and pair it with a low-noise differential driver such as the ADA4932 for optimal second-harmonic performance in TGC (time-gain-compensated) signal paths.
موصى به
Handheld Test & Measurement Instrument
The HMCAD1050-40 suits dual-channel oscilloscope-like data loggers and portable spectrum-analyzer baseband stages requiring simultaneous sampling at 40 MSPS and 13-bit resolution, delivering about 62 dB SNR which lets portable meters resolve -60 dBm harmonic products. The CMOS-parallel output feeds directly into low-cost FPGAs without an LVDS deserializer, simplifying firmware for handheld products. Internal voltage reference removes the cost and calibration burden of an external reference IC. The 64-QFN package's small 9x9 mm footprint leaves room on the board for a lithium-charger IC and the LCD driver, and pairs naturally with the ADC for one-handed field-test instruments.
موصى به
Software-Defined Radio (SDR) Baseband
In SDR platforms the HMCAD1050-40 pairs with an FPGA to deliver two channels of baseband I/Q capture at 40 MSPS and 13-bit resolution, sufficient for sub-20 MHz bandwidth digital demodulation of Wi-Fi, DVB-T and cellular baseband test signals. The differential clock input accepts a direct synthesizer LVDS line, eliminating a clock buffer and preserving low phase noise critical to EVM at 64-QAM. Pin compatibility with the HMCAD1050-80 allows a single board design across multiple product tiers - mobile, fixed, and laboratory-class SDR - simply by changing the populated ADC. The exposed-pad ground is the primary heat path in sealed SDR enclosures.
موصى به
Multi-Channel Data Acquisition System
Multi-channel industrial DAQ systems benefit from pairing multiple HMCAD1050-40 devices to capture 4, 8, or 16 synchronized channels at 40 MSPS per pair, while the pin-compatible 64-QFN package simplifies PCB layout reuse across channel-count variants. Each ADC provides 13-bit resolution with internal pipelined architecture and proprietary THA optimized for input signals up to 70 MHz, allowing direct sampling of vibration, sonar, and strain-gauge signals without external anti-alias filtering beyond first-order. The CMOS output bus is easy to time-multiplex into an FPGA fabric, and the exposed pad supplies adequate thermal dissipation at moderate channel counts. Engineers should clock all ADCs from a common low-jitter fanout buffer to preserve inter-channel phase coherence.
موصى به
Wideband Communications Test Equipment
Bench-top vector signal analyzers and generic wideband digitizers use the HMCAD1050-40 to capture narrowband and broadband signals at 40 MSPS with 13-bit dynamic range, achieving roughly 62 dB SNR at full input. The device's CMOS parallel data output streams directly into FPGAs or ASICs that perform FFT, demodulation, and modulation analysis, while the internal reference simplifies factory calibration. Designers use the dual-channel architecture to capture both signal and reference paths simultaneously, supporting calibration routines that improve instrument accuracy. The exposed pad provides reliable thermal dissipation in fan-cooled bench instrument chassis.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ HMCAD1050-40 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | HMCAD1050-80 | HMCAD1040-40 | HMCAD1040-80 | LTC2284CUP#PBF | ADS58C28IRGCR |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN - same | 64-VQFN - same family |
| Resolution (bits) | 13 / 12 | 13 / 12 | 12 | 12 | 14 | 11 |
| Max Sample Rate (MSPS) | 40 (13-bit); 20 (12-bit) | 80 (13-bit); 40 (12-bit) | 65 (12-bit) | 80 (12-bit) | 105 (14-bit) | 200 (11-bit) |
| Number of Channels | 2 | 2 | 2 | 2 | 2 | 2 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined (LVDS) |
| Reference | Internal | Internal | Internal | Internal | Internal/External | Internal/External |
| Data Output | CMOS parallel | CMOS parallel | CMOS parallel | CMOS parallel | CMOS parallel | LVDS |
أبرز الفروقات
- Pin-compatible with HMCAD1050-80 allowing in-the-field speed upgrade (مقابلHMCAD1050-80)
- Dual 13-bit channel integration reduces BOM cost versus discrete ADCs (مقابلTwo discrete AD9251 14-bit single-channel ADCs)
- Internal voltage reference eliminates external precision reference IC (مقابلADS58C28IRGCR (requires external reference))
ملاحظات التصميم
The 64-QFN exposed pad (EPAD) must be soldered directly to a contiguous ground plane with multiple thermal vias to meet the device's thermal dissipation budget; skipping the EPAD solder joint will cause junction temperature to rise well above the -40C to +85C operating envelope. Use a 4-layer PCB with a top ground pour stitched to the EPAD with at least nine 0.3 mm thermal vias for production designs. Place the input coupling capacitors within 3 mm of the INA_P/INA_N and INB_P/INB_N pads to minimize common-mode pickup.
Although the HMCAD1050-40 datasheet shows 13-bit capability at 40 MSPS, the SNR budget is only valid if the input clock jitter is below 1 ps RMS - do not use a low-cost CMOS crystal oscillator for high-frequency IF sampling. Always source the differential clock from a low-jitter PLL or a clean sine source buffered through a low-noise differential driver. Estimated: at 70 MHz IF input a 5 ps RMS jitter source loses roughly 10 dB of effective SNR.
Route the 13-bit CMOS data outputs in groups of 7 with matched trace lengths; use 22-ohm series damping resistors near the ADC pins to prevent reflections into the FPGA, and keep the parallel data bus on the inner PCB layer with a continuous ground plane beneath it. Decouple each DRVDD pin with a 100 nF X7R capacitor within 2 mm, plus a 10 uF bulk capacitor. Avoid routing any high-frequency digital signals across the analog input traces to limit digital-noise coupling into the THA.
Estimated: the HMCAD1050-40 AVdd and DRVdd rails together consume roughly 90 mW at 40 MSPS in dual-channel mode, which the EPAD can dissipate without an external heatsink. Use a ferrite bead between AVdd and DRVdd supplies to isolate analog and digital switching noise, and place a low-dropout regulator such as the ADM7150 within 25 mm of the device to maintain PSRR above 60 dB up to 1 MHz.
معلومات الامتثال
RoHS and REACH status not explicitly stated in the provided web data; lead-free per ADI family conventions. AEC-Q100 not applicable - this is an industrial/commercial ADC, no automotive-grade variant exists in the HMCAD family.
