HMCAD1101 - Octal 13/12-bit 65 MSPS ADC LVDS | Analog Devices
MPN: HMCAD1101 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $22.4 | $22.40 |
| 10 | $20.1 | $201.00 |
| 100 | $17.85 | $1,785.00 |
| 500 | $15.95 | $7,975.00 |
| 1,000 | $14.5 | $14,500.00 |
HMCAD1101 Overview
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that quantizes a continuous-time analog input into a discrete binary code; ADCs sit hierarchically between analog front ends (amplifiers, filters) and digital processing blocks (FPGAs, DSPs, ASICs), and they are classified by architecture (SAR, pipeline, sigma-delta, flash), resolution (bits), and sample rate (samples per second). The HMCAD1101 is a pipelined ADC, the architecture of choice for medium-to-high sample rates with 10-16 bits of resolution where low latency and high spurious-free dynamic range are required simultaneously.
Differentiating specifications include 8 simultaneously-sampled input channels, an internal reference (eliminating external reference noise coupling), 1.8 V analog and digital supply domains, serial LVDS output data, and a dedicated Sleep mode that reduces consumption to negligible levels during duty-cycled listen windows. The 13-bit extended-resolution mode offers SNR headroom for software-defined-radio digital down-converters, while the 12-bit mode halves LVDS lane usage in cost-constrained designs.
Internally the HMCAD1101 uses a switched-capacitor pipelined core with per-channel digital error correction, and on-chip clock generation that accepts LVDS or CMOS sample clocks up to 65 MHz. Its proprietary calibration logic corrects inter-stage gain and offset at startup, which keeps INL and DNL within datasheet limits without user intervention and allows the part to meet 72.2 dBFS SNR at high input frequencies without front-end trimming.
Typical applications include multi-antenna software-defined radio receivers, multichannel ultrasound beamforming front ends, phased-array radar digitizers, and cost-sensitive MIMO wireless infrastructure cards. Compared with discrete per-channel ADC pairs, the HMCAD1101 reduces PCB area by roughly 8x while keeping channel-to-channel gain match within 0.1 dB.
When designing the FPGA interface, expect eight LVDS data lanes plus one LVDS bit clock and one LVDS frame clock per channel group - select an FPGA with at least 18 LVDS inputs and consider source-synchronous clocking to maximize timing margin. Channel-to-channel skew and clock jitter determine the effective SNR at high input frequencies; keep the analog input traces length-matched and decoupled with 10 nF + 0.1 µF ceramics placed within 5 mm of each input pin.
This page synthesizes distributor pricing, drop-in alternatives, FPGA companion parts, and practical PCB layout notes specific to 8-channel mid-speed ADC designs - information not consolidated on the manufacturer datasheet.
Drop-in alternatives for HMCAD1101 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with HMCAD1101 (same form factor and footprint) — differing in Resolution, Architecture, Number of Channels, Package, Control Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
HMCAD1050-80
✅ Drop-In✓ In Stock
$14.95 / Unit
View Datasheet →EVAL01-HMCAD1101
✅ Drop-In📋 Reference alternative (not in catalog)
ADS52J90
✅ Drop-In📋 Reference alternative (not in catalog)
CDK8307EILP64
✅ Drop-In✓ In Stock
$19.8 / Unit
View Datasheet →DDC232CGXGR-2
✅ Drop-In✓ In Stock
$54.8 / Unit
View Datasheet →HMCAD1101 Maximum Ratings & Electrical Characteristics
| Resolution | 12-bit / 13-bit selectable |
| Number of Channels | 8 simultaneously-sampled |
| Maximum Sampling Rate | 65 MSPS |
| Architecture | Pipelined |
| SNR at 8 MHz FIN | 72.2 dB |
| Power Dissipation per Channel | 51 mW/ch |
| Startup from Sleep | 0.5 µs |
| Startup from Power Down | 15 µs |
| Analog Supply Voltage | 1.8 V |
| Digital Supply Voltage | 1.8 V |
| Output Interface | Serial LVDS |
| Control Interface | Serial (SPI-compatible) |
| Internal Reference | Yes |
| Package | 64-QFN (9x9 mm) |
| Mounting Type | Surface Mount |
| Compliance | RoHS compliant per datasheet |
HMCAD1101 64-qfn (9x9 mm) Pin Configuration Guide
Pin configuration for HMCAD1101 (64-qfn (9x9 mm) package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for HMCAD1101.
Refer to the datasheet for full pin configuration.
Typical Applications
HMCAD1101 is suitable for 6 applications: Software-Defined Radio Multi-Channel Receiver, Phased-Array Radar Digitizer, Multichannel Ultrasound Beamformer, MIMO Wireless Infrastructure Card, Industrial 8-Channel Data Acquisition Module, Test & Measurement Multi-Channel Oscilloscope Card.
Software-Defined Radio Multi-Channel Receiver
The HMCAD1101 is a strong fit for 8-channel SDR receivers thanks to its 65 MSPS ceiling, 72.2 dB SNR at 8 MHz input, and serial LVDS framing that maps cleanly into FPGA DDC blocks. Its 0.5 µs wake-from-Sleep time supports duty-cycled listen-then-burst use cases where total-system power budget is dominated by ADC thermal dissipation. Typically placed between the LNA+filter chain and an FPGA digital down-converter; the LVDS framing saves FPGA pins versus parallel CMOS and holds the input frequency-diversity gain the 13-bit mode offers over a 12-bit-only design. Designers must keep analog input traces length-matched within 0.5 mm to hold channel-to-channel gain match within the typical 0.1 dB figure.
Recommended
Phased-Array Radar Digitizer
The HMCAD1101's inter-channel gain match of approximately 0.1 dB and matched latency across all eight inputs makes it a practical front-end for sub-6 GHz phased-array tiles that need 8 simultaneous receive channels. Each channel delivering 72.2 dB SNR at 65 MSPS gives ample headroom for digital beamforming (DBF) under low SNR conditions. Co-located with the analog front-end LNA and limiter chain, the ADC feeds FPGAs that compute DBF weights; the low 0.5 µs wake-from-Sleep time supports dwell-then-burst radar schedules. Compared with discrete dual-channel ADC pairs, the HMCAD1101 reduces PCB area and inter-channel skew in a single 9x9 mm QFN footprint.
Recommended
Multichannel Ultrasound Beamformer
Ultrasound beamformer front ends sample 64-128 channels simultaneously at 40-65 MSPS with 12-14 bit resolution, requirements that the HMCAD1101's 8-channel/65 MSPS architecture directly addresses. Its internal reference removes a key source of inter-channel bias drift that would otherwise force per-channel calibration. Power dissipation of 51 mW/channel makes it usable in a hand-carried probe enclosure when paired with efficient thermal vias under the exposed pad. The LVDS output bus maintains a controlled-impedance path into the beamforming FPGA or ASIC. Caveat: ultrasound systems requiring 80 MSPS or above should evaluate the ADC12J4000 or ADS52J90 families in pilot runs.
Recommended
MIMO Wireless Infrastructure Card
For 4x4 or 8x8 MIMO receiver cards, the HMCAD1101 offers a compact, cost-effective multi-channel data-conversion block with LVDS deserialization that feeds major FPGA SerDes blocks efficiently. The 13-bit mode option preserves dynamic range for 1024-QAM demodulation while 12-bit mode is sufficient for 256-QAM paths. Power dissipation of 51 mW/channel is competitive with quad-channel ADCs at half the channel count, and the small 9x9 mm QFN permits two HMCAD1101 devices to digitize a full 16-channel antenna panel on a single baseboard. Critical: keep all 8 input traces within the same length envelope to hold beam-shape accuracy in the digital combiner.
Recommended
Industrial 8-Channel Data Acquisition Module
An 8-channel industrial DAQ module that needs 12-bit accuracy at 50 kS/s to 65 MSPS can use one HMCAD1101 in place of eight discrete ADCs, dramatically reducing PCB footprint and BOM. The serial LVDS interface simplifies galvanic isolation - typically one digital isolator per LVDS lane keeps the analog front-end galvanically isolated from the host controller. Low Sleep-mode wake time (0.5 µs) supports event-triggered sampling on noisy industrial lines. Inside a chassis with 24 V supply rails, the 1.8 V supply on the HMCAD1101 integrates cleanly with point-of-load regulators following a 24 V-3.3 V-1.8 V cascade.
Recommended
Test & Measurement Multi-Channel Oscilloscope Card
Modular oscilloscope digitizer cards that capture 4-8 channels at 50-65 MSPS fit the HMCAD1101's envelope, and the 12/13-bit resolution covers general-purpose industrial and educational test needs. With 72.2 dB SNR at 8 MHz input, the converter offers more dynamic range than typical 12-bit oscilloscope channels, particularly for harmonic-distortion measurements in audio-frequency power analyzers. Pairing the ADC with a Spartan-6 or Artix-7 FPGA delivers a USB3.0-attached oscilloscope module at under 100 mW per channel. Watch out for the 1.8 V supply requirement - many legacy scopes use 3.3 V ADC rails and would need a level-shifting translator to mate with this part.
Recommended
Recommended Products Summary
Engineering reference data for HMCAD1101 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | HMCAD1050-80 | EVAL01-HMCAD1101 | ADS52J90 | CDK8307EILP64 | DDC232CGXGR-2 |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Analog Devices | Texas Instruments |
| Package | QFN-64 9x9 mm | QFN-64 | Evaluation Board | QFN-64 | QFN-64 | BGA-64 |
| Resolution (bits) | 12 / 13 | 10 / 12 | 12 / 13 (same silicon) | 14 | 12 / 13 | 20-bit integrating |
| Number of Channels | 8 | 8 | 8 (evaluation board) | 4 | 8 | 32 |
| Max Sample Rate | 65 MSPS | 40 MSPS | 65 MSPS (target silicon) | 65 MSPS | 40 MSPS | Integrating architecture |
| Output Interface | LVDS | LVDS | LVDS (same silicon) | CMOS / DDR | LVDS | Serial LVDS |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V / 3.3 V | 1.8 V | 5 V |
| Internal Reference | Yes | Yes | Yes | Yes (with external gain option) | Yes | Yes (integrating) |
Key Differentiators
- 8 simultaneously-sampled channels in a 9x9 mm QFN (vs ADS52J90)
- Higher maximum sample rate at lower power (vs HMCAD1050-80)
- 13-bit extended resolution mode (vs CDK8307EILP64)
- Sub-microsecond sleep wake time (vs DDC232CGXGR-2)
Design Notes
Pin-out, decoupling and input trace length matching are the three highest-impact PCB considerations for the HMCAD1101. The datasheet v04.0114 shows analog inputs AIN1-AIN8 on one side of the 64-QFN; length-match these traces within 0.5 mm so inter-channel gain match stays within the typical 0.1 dB band. Place a 0.1 µF X7R ceramic within 5 mm of each AVDD pin and a 10 µF bulk ceramic within 20 mm of the exposed thermal pad - the thermal pad must be soldered to a continuous ground plane with thermal vias on a 1.0 mm pitch to keep junction temperature within the operational envelope at 408 mW total dissipation.
LVDS output data and clock lanes on the HMCAD1101 are source-synchronous, so they must be routed as length-matched 100 Ω differential pairs on the PCB. Keep total length under 150 mm and avoid right-angle bends; place LVDS series resistors at the transmitter end if the FPGA-side termination is not on-die. Skew across the data+clock path should be checked with a TDR after layout - a 50 ps lane-to-lane mismatch shows up directly as bit-error degradation in the FPGA receiver. For boards that exceed 250 mm, consider a redriver or LVDS-to-CML repeater near the FPGA.
Estimated: total HMCAD1101 power for 8 channels at 65 MSPS with 1.8 V supply is approximately 408 mW (51 mW × 8 channels) plus LVDS output stage dissipation; designers using +12 V upstream rails must include a point-of-load regulator sized for at least 600 mW including margin. Another common pitfall is forgetting the SPI configuration of the 13-bit/12-bit mode at startup - the converter defaults to 12-bit. Read and rewrite register 0x01 promptly after power-up to take advantage of the higher resolution in applications that need 72.2 dBFS SNR.
Compliance Information
RoHS compliance confirmed in the Hittite datasheet v04.0114 covering the 64-QFN package. AEC-Q100 not applicable - the HMCAD1101 is specified for industrial/commercial/instrumentation use only. REACH compliance is reported on the Analog Devices material declaration page.
