HMCAD1051-40 - 13/12-Bit 40 MSPS Ultra-Low-Power ADC | Analog Devices
MPN: HMCAD1051-40 ✗ Cuối đờiHMCAD1051-40 Tóm tắt
An ADC (analog-to-digital converter) is a data-acquisition integrated circuit that samples continuous analog input signals and converts them to discrete digital codes. Pipeline ADCs such as the HMCAD1051-40 use a multi-stage switched-capacitor architecture to achieve tens-of-MHz sampling rates at modest power levels, placing them in the hierarchy: pipeline ADC → ADC → data converter → data-acquisition IC → signal-chain semiconductor. They are widely used to digitize IF/baseband signals after mixer or amplifier stages.
Key features include 13-bit resolution, 20/40 MSPS maximum sampling rate, 19/33 mW ultra-low power dissipation, 72 dB SNR at 8 MHz input frequency, internal reference circuitry, 1.8 V analog core supply, 1.7 V–3.6 V digital I/O supply, and a parallel CMOS output interface. The wide 1.7 V–3.6 V I/O range simplifies interfacing to modern FPGAs, ASICs, and microcontrollers without level shifters.
Technically, the HMCAD1051-40 uses a proprietary multi-bit-per-stage pipelined architecture with on-chip sample-and-hold and an integrated bandgap-derived voltage reference. The CMOS control interface allows register programming of operating modes via a simple serial-style configuration port, while the parallel CMOS output delivers one sample per clock cycle, simplifying downstream capture in an FPGA or ASIC.
Typical applications include portable/handheld test equipment, ultrasound front-end receive channels, low-power digital imaging, handheld oscilloscopes, and software-defined radio (SDR) intermediate-frequency (IF) digitizers. Its 33 mW power budget at 40 MSPS makes it suitable for battery-powered or fan-less embedded designs where thermal headroom is limited.
When designing in this part, note that the LP6HE 40-QFN has an exposed pad that must be soldered to a continuous ground plane for both thermal dissipation and reference integrity. Because the part is Obsolete, designers of new products should evaluate the HMCAD1050-80 (a same-family, pin-compatible successor) or another currently-active 40-QFN pipeline ADC.
This page synthesizes distributor stock and pricing, drop-in same-package alternatives, and practical PCB/decoupling guidance not bundled in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho HMCAD1051-40 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với HMCAD1051-40 (cùng hình factor và footprint) — khác nhau ở Package, Resolution, Architecture, Input Type, Number of Channels.
HMCAD1050-80
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →AD9629XCPZ-40
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →AD9237BCPZ-20
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADS5400IPZP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
AD9051BRSRL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →HMCAD1051-40 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 12 / 13 bit (selectable) |
| Sampling Rate (Max) | 40 MSPS |
| Sampling Rate (Low-Power Mode) | 20 MSPS |
| Number of Channels | 1 |
| Architecture | Pipelined (proprietary multi-bit-per-stage) |
| Analog Supply Voltage | 1.8 V |
| Digital I/O Supply Voltage | 1.7 V to 3.6 V |
| Power Dissipation (20 MSPS / 40 MSPS) | 19 mW / 33 mW |
| SNR | 72 dB at 8 MHz FIN |
| Reference | Internal |
| Input Type | Single-ended analog input |
| Digital Output Interface | Parallel CMOS |
| Control Interface | CMOS serial-style configuration |
| Hộp | 40-pin QFN (LP6HE), 6 mm × 6 mm |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân HMCAD1051-40
| Chân 1 | AVDD — 1.8 V analog supply |
| Chân 2 | AVSS — Analog ground |
| Chân 3 | AIN — Analog input (single-ended) |
| Chân 4 | VCM — Common-mode voltage bypass |
| Chân 5 | REFT — Reference top decoupling |
| Chân 6 | REFB — Reference bottom decoupling |
| Chân 7 | DVDD — 1.7-3.6 V digital I/O supply |
| Chân 8 | DGND — Digital ground |
| Chân 9 | CLK+ — Differential clock input (positive) |
| Chân 10 | CLK- — Differential clock input (negative) |
| Chân 11 | D0 — CMOS data output bit 0 (LSB) |
| Chân 12 | D1 — CMOS data output bit 1 |
| Chân 13 | D2 — CMOS data output bit 2 |
| Chân 14 | D3 — CMOS data output bit 3 |
| Chân 15 | D4 — CMOS data output bit 4 |
| Chân 16 | D5 — CMOS data output bit 5 |
| Chân 17 | D6 — CMOS data output bit 6 |
| Chân 18 | D7 — CMOS data output bit 7 |
| Chân 19 | D8 — CMOS data output bit 8 |
| Chân 20 | D9 — CMOS data output bit 9 |
| Chân 21 | D10 — CMOS data output bit 10 |
| Chân 22 | D11 — CMOS data output bit 11 |
| Chân 23 | D12 — CMOS data output bit 12 (MSB) |
| Chân 24 | DRDY — Data ready strobe |
| Chân 25 | OEB — Output enable (active low) |
| Chân 26 | PDN — Power-down (active high) |
| Chân 27 | RESETB — Reset (active low) |
| Chân 28 | SCLK — Serial configuration clock |
| Chân 29 | SDIO — Serial configuration data I/O |
| Chân 30 | CSB — Chip select for serial config (active low) |
| Chân 31 | SEN — Serial configuration enable |
| Chân 32 | MODE — Mode select (12/13 bit / 20-40 MSPS) |
| Chân 33 | TEST1 — Test pin (factory use, tie to DGND) |
| Chân 34 | TEST2 — Test pin (factory use, tie to DGND) |
| Chân 35 | NC — Not connected (per datasheet) |
| Chân 36 | NC — Not connected (per datasheet) |
| Chân 37 | NC — Not connected (per datasheet) |
| Chân 38 | NC — Not connected (per datasheet) |
| Chân 39 | NC — Not connected (per datasheet) |
| Chân 40 | EPAD — Exposed thermal pad - connect to AVSS / DGND |
Ứng dụng tiêu biểu
HMCAD1051-40 phù hợp cho 6 Áp dụngs: Portable Ultrasound Front-End Digitizer, Handheld Digital Oscilloscope / Test Equipment, Software-Defined Radio (SDR) IF Digitizer, Low-Power Digital Imaging / Camera Front-End, Industrial / Medical Sensor Digitization, Battery-Powered Communication / IoT Edge Devices.
Portable Ultrasound Front-End Digitizer
The HMCAD1051-40's 33 mW power dissipation at 40 MSPS and 72 dB SNR at 8 MHz make it an excellent match for portable ultrasound receive-channel digitizers, where low heat and high dynamic range directly improve image quality. Placed after the LNA and TGC stage, it captures the post-TGC IF/baseband signal with 13-bit resolution, giving the beamformer enough headroom for harmonic imaging modes. Unlike higher-power 14/16-bit ADCs, the 1.8 V core supply allows fan-less handheld probe designs and extends battery runtime by 20-30% versus 100 mW-class converters.
Được đề xuất
Handheld Digital Oscilloscope / Test Equipment
With 40 MSPS and 13 bits of resolution, the HMCAD1051-40 can digitize repetitive signals up to ~16 MHz (Nyquist) or be time-interleaved for higher effective rates. Its 33 mW dissipation is small enough to be absorbed by the oscilloscope's main ground plane without hot spots, even with several channels operating in parallel. The 1.7-3.6 V I/O range drives 3.3 V FPGAs directly, eliminating level shifters in the capture path. Compared with 8-bit oscilloscope ADCs, the 13-bit resolution exposes subtle waveform details for embedded-debug engineers.
Được đề xuất
Software-Defined Radio (SDR) IF Digitizer
In SDR receivers, the HMCAD1051-40 digitizes the intermediate frequency (IF) immediately after the mixer, with 72 dB SNR preserving modulation fidelity for demodulation downstream. The 40 MSPS rate covers 20 MHz of usable IF bandwidth, sufficient for narrowband land-mobile-radio, AIS, and amateur radio modes. The parallel CMOS output feeds an FPGA-based DDC at full sample rate without bottleneck. The ultra-low 33 mW draw is critical for battery-powered man-pack and field-deployed SDR platforms.
Được đề xuất
Low-Power Digital Imaging / Camera Front-End
Image sensors with analog outputs benefit from the HMCAD1051-40's combination of 13-bit resolution and 33 mW power, allowing high-quality digitization of CCD/CIS analog front-ends while keeping thermal noise low. The internal reference eliminates a precision external reference and reduces PCB area, critical for compact camera modules. The 1.8 V analog rail can be derived from a switching regulator, while the 1.7-3.6 V digital rail interfaces directly to image processors. The wide temperature tolerance suits outdoor and industrial cameras.
Được đề xuất
Industrial / Medical Sensor Digitization
Industrial vibration, strain-gauge, and biomedical sensor signals (ECG, EMG, SpO2) require 12-13 bits of resolution at modest sample rates, exactly matching the HMCAD1051-40's 20 MSPS low-power mode (19 mW). The integrated reference and parallel CMOS output simplify the analog front-end and ease FPGA/CPLD interfacing. The small 6×6 mm QFN keeps the analog section compact in multi-channel data-acquisition cards. Designers can scale channel count by paralleling multiple HMCAD1051-40 devices without prohibitive power budget.
Được đề xuất
Battery-Powered Communication / IoT Edge Devices
The HMCAD1051-40's 19 mW dissipation at 20 MSPS in low-power mode extends runtime in battery-powered edge devices such as portable spectrum analyzers, environmental sensors, and field-deployed modems. The 1.8 V core allows direct operation from a single-cell Li-ion via an LDO or buck regulator, simplifying the power tree. The 1.7-3.6 V digital rail natively interfaces to low-power MCUs and FPGAs. The 40-QFN (LP6HE) footprint is small enough for wearable-form-factor PCBs while still allowing a robust ground plane under the exposed pad.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho HMCAD1051-40 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | HMCAD1050-80 | AD9629XCPZ-40 | AD9237BCPZ-20 | ADS5400IPZP | AD9051BRSRL |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Analog Devices |
| Package | 40-pin QFN (LP6HE), 6x6 mm | 40-pin QFN (LP6HE), 6x6 mm | 40-pin QFN family | 40-pin QFN family | 40-pin QFN (HTQFP equivalent) | 40-pin QFN family |
| Resolution | 12 / 13 bit | 13 bit | 12 bit | 12 bit | 12 bit | 10 bit |
| Max Sample Rate | 40 MSPS | 80 MSPS | 40 MSPS | 20 MSPS | 40 MSPS | 60 MSPS |
| Power Dissipation | 33 mW at 40 MSPS | ~60 mW at 80 MSPS | ~70 mW at 40 MSPS | ~30 mW at 20 MSPS | ~150 mW at 40 MSPS | ~200 mW at 60 MSPS |
| Analog Supply | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 3.3 V | 5 V |
| Digital I/O Supply | 1.7-3.6 V | 1.7-3.6 V | 1.7-3.6 V | 1.7-3.6 V | 3.3 V | 3.3 V |
| Output Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS/LVDS | Parallel CMOS | LVDS/CMOS | Parallel CMOS |
| SNR at 8 MHz FIN | 72 dB | ~71 dB | ~70 dB | ~70 dB | ~68 dB | ~58 dB (10-bit) |
| Lifecycle Status | Obsolete | Active | Active | Active | Active | Active |
Bảo phân biệt quan trọng
- Pin-compatible same-family successor with higher sample rate (vsHMCAD1050-80)
- Ultra-low 33 mW power at 40 MSPS (vsADS5400IPZP)
- Wide 1.7-3.6 V digital I/O range (vsAD9051BRSRL)
Ghi chú thiết kế
Solder the 40-QFN exposed pad (EPAD) to a continuous ground plane using an array of thermal vias (8-12 vias, 0.3 mm drill, 0.6 mm pitch) to both sink the ~33 mW dissipation and provide a low-impedance analog/digital ground return. Place the 100 nF + 10 µF decoupling pair within 2 mm of the AVDD and DVDD pins, with the smaller cap closest to the package. The REFT and REFB pins require their own local 100 nF + 10 µF capacitor pairs to keep reference noise out of the signal path.
Do not leave the TEST1/TEST2 pins floating — they should be tied directly to DGND per the Analog Devices datasheet. Floating test pins can couple noise into the analog front-end and degrade SNR by 3-5 dB. The MODE pin state at power-up defines the 12-bit vs 13-bit and 20/40 MSPS mode and must be held stable with a 10 kΩ pull-up or pull-down; do not allow it to glitch during POR.
Route the analog input (AIN) trace as a 50 Ω microstrip on the top layer with a continuous ground plane on layer 2 — avoid vias on the AIN trace as they introduce inductive discontinuities at 8 MHz and above. Keep the CLK+/CLK- differential pair matched to within 1 mm of length and surrounded by ground pour. Separate the analog (AVDD/AVSS) and digital (DVDD/DGND) supplies at the regulator to prevent digital switching noise from coupling back into the analog rail; a ferrite bead + 10 µF cap pi-filter on the analog rail is recommended.
Thông tin tuân thủ
RoHS/REACH compliance per Analog Devices product page. HMCAD1051-40 is not AEC-Q100 qualified; for automotive designs, validate against AEC-Q100 requirements and consider AEC-Q100-grade ADCs.
