ADC1415S065HN-C18 - 14-bit 65 MSPS ADC, LVDS/CMOS Output | Renesas
MPN: ADC1415S065HN-C18 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.1 | $251.00 |
| 100 | $21.85 | $2,185.00 |
| 500 | $18.9 | $9,450.00 |
| 1,000 | $16.4 | $16,400.00 |
| 2,500 | $14.25 | $35,625.00 |
ADC1415S065HN-C18 Overview
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous-time analog input voltages into discrete digital codes at a fixed sampling rate. Pipelined ADCs are the dominant architecture for medium-to-high sampling rates (tens to hundreds of MSPS) because they achieve an excellent balance between resolution, sampling rate, power dissipation, and active die area. The ADC1415S family sits within the broader taxonomy of mixed-signal IC -> data converter -> ADC -> pipelined ADC -> high-speed ADC, and serves as a key building block inside the signal chain of communication, imaging, and instrumentation systems.
Key features include 65 MSPS maximum sampling rate, 14-bit resolution, an integrated wide-bandwidth input buffer that eliminates the need for an external op-amp driver, and flexible digital outputs that can be configured for CMOS, LVDS, or double-data-rate LVDS modes. The wide input common-mode range simplifies interface to DC-coupled upstream stages, while an SPI-compatible serial configuration port supports channel calibration, output mode selection, and gain/offset trim.
Architecturally, the device uses a multi-stage switched-capacitor pipeline core with on-chip sample-and-hold, a high-bandwidth reference buffer, and proprietary digital error correction to maintain INL and DNL within sub-LSB bounds. The LVDS DDR option delivers double the data throughput per output pin, reducing board trace count and easing FPGA/ASIC capture at full sampling rate.
Typical applications include medical ultrasound imaging, portable industrial oscilloscopes, handheld spectrum analyzers, software-defined radio receivers, and multi-channel data-acquisition front-ends. The integrated input buffer makes the part especially attractive in compact, low-power portable instruments where PCB area and BOM count are constrained.
When designing with this converter, allocate adequate solid ground planes beneath the exposed pad for thermal dissipation and RF return paths, and place the analog input traces as controlled-impedance 50 ohm differential microstrip lines to preserve AC performance above 20 MHz IF. A low-noise LDO such as a 3.3 V AVDD rail is recommended to preserve SNR.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-ready reference for the ADC1415S065HN-C18.
Drop-in alternatives for ADC1415S065HN-C18 — 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 ADC1415S065HN-C18 (same form factor and footprint) — differing in Package, Input Type, Resolution, Data Interface, Input Buffer.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADC1415S080HN-C18
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$21.4 / Unit
View Datasheet →ADC1415S105HN-C18
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$21.4 / Unit
View Datasheet →ADC1415S125HN-C18
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$28.75 / Unit
View Datasheet →ADC1415S065HN-C1
✅ Drop-In✓ In Stock
$21.4 / Unit
View Datasheet →ADC1213S125HN-C1
✅ Drop-In✓ In Stock
$18.45 / Unit
View Datasheet →ADC1112D125HN-C18
✅ Drop-In✓ In Stock
$9.48 / Unit
View Datasheet →ADC1415S065HN-C18 Maximum Ratings & Electrical Characteristics
| Resolution | 14 bit |
| Number of Channels | 1 |
| Sampling Rate | 65 MSPS |
| Architecture | Pipelined |
| Input Type | Single-ended, buffered |
| Data Interface | CMOS, LVDS, LVDS DDR |
| Configuration Port | Serial SPI |
| Package | 40-pin HVQFN Exposed Pad (HVQFN-40) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C |
| Supply Voltage - Analog (AVDD) | 3.3 V (typ) |
| Supply Voltage - Digital (DVDD) | 1.8 V to 3.3 V (typ) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Family | ADC1415S (65/80/105/125 MSPS variants) |
ADC1415S065HN-C18 40-pin hvqfn exposed pad (hvqfn-40) Pin Configuration Guide
Pin configuration for ADC1415S065HN-C18 (40-pin hvqfn exposed pad (hvqfn-40) 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 ADC1415S065HN-C18.
Refer to the datasheet for full pin configuration.
Typical Applications
ADC1415S065HN-C18 is suitable for 6 applications: Medical Ultrasound Imaging, Portable Industrial Oscilloscope Front-End, Handheld Spectrum Analyzer IF Digitizer, Software-Defined Radio Receiver, Multi-Channel Data Acquisition Front-End, Radar and Lidar Baseband Digitizer.
Medical Ultrasound Imaging
The ADC1415S065HN-C18's 14-bit resolution and 65 MSPS sampling rate fit mid-frequency ultrasound probe channels where IF signals typically fall below 25 MHz. Its integrated wide-bandwidth input buffer accepts the direct output of a TGC (time-gain-control) stage, eliminating an external ADC driver and saving roughly 20 square millimeters of PCB area per channel. The selectable LVDS DDR output mode lets engineers fan out 12 channels to a single FPGA on a 4-layer board without aggressive impedance-controlled routing. Compared with discrete ADC plus external buffer solutions, this part reduces channel-to-channel gain mismatch and lowers per-channel power to about 250 mW, which is critical for portable cart-based ultrasound systems where thermal budget and battery life are tight. The -40C to +85C temperature range also supports clinical environments with elevated ambient temperatures around the probe connector.
Recommended
Portable Industrial Oscilloscope Front-End
In handheld digital oscilloscopes targeting 60-100 MHz analog bandwidth, the ADC1415S065HN-C18 digitizes the post-attenuator and post-amplifier signal at 65 MSPS, giving a usable Nyquist of 32 MHz. The 14-bit vertical resolution exceeds the 8-bit front-ends used in entry-level scopes and lets designers drop external hardware averaging. The integrated input buffer provides the wide dynamic range necessary to capture both 1 V/div and 100 mV/div ranges without a re-ranging analog path. LVDS DDR output keeps the digital pin count low, so the FPGA can allocate more logic to trigger, decode, and deep-memory storage instead of I/O. Compared with the AD9228 or similar older 12-bit ADCs, the 14-bit ADC1415S065HN-C18 offers a 12 dB SNR improvement, which translates directly into more accurate small-signal measurements and a lower-noise floor at the highest sensitivity ranges.
Recommended
Handheld Spectrum Analyzer IF Digitizer
Field-deployed spectrum analyzers use a super-heterodyne architecture with a 10.7 MHz or 21.4 MHz IF, and the ADC1415S065HN-C18 is well matched to digitize those IF bands at full 65 MSPS. The pipelined core delivers the spurious-free dynamic range needed to resolve small signals within 70 dB of full scale, while the selectable CMOS output mode lets low-power designs skip LVDS termination. The on-chip input buffer drives directly from a SAW filter output stage, removing one or two op-amp stages and shrinking the BOM. Compared with running an FPGA-built ADC, this part gives better INL/DNL and substantially reduces the firmware workload for calibration. The -40C to +85C temperature range is also essential for outdoor use, where solar loading can push internal chassis temperatures past 60C in direct sun.
Recommended
Software-Defined Radio Receiver
Software-defined radio receivers in the VHF/UHF range benefit from the ADC1415S065HN-C18's 14-bit dynamic range and 65 MSPS sampling, which together support direct digitization of signals up to about 30 MHz. Designers can run a low-IF architecture at 21.4 MHz with the ADC1415S family and rely on FPGA-based digital down-conversion, eliminating analog mixers and saving cost. The integrated input buffer allows direct coupling from a SAW bandpass filter without an external ADC driver, lowering noise contribution. LVDS DDR mode is particularly useful here because it halves the FPGA pin count, freeing I/O for multi-channel diversity reception. Compared with 12-bit SDR ADCs, the extra 2 bits deliver roughly 12 dB more dynamic range, which directly translates to better weak-signal demodulation and lower bit-error rates for digital modulations like QAM and OFDM.
Recommended
Multi-Channel Data Acquisition Front-End
Multi-channel data-acquisition boards for industrial test, vibration monitoring, and structural-health monitoring use one ADC1415S065HN-C18 per channel to digitize IEPE-type sensor outputs at up to 65 MSPS. The 14-bit resolution preserves the small-signal detail of accelerometer and strain-gauge outputs, while the on-chip input buffer absorbs the IEPE current source transients without saturating. LVDS DDR digital outputs let engineers route 8 or 12 synchronized channels into a single FPGA without complex impedance matching, since each channel uses only 7 LVDS pairs. The -40C to +85C operating range supports factory-floor installations where ambient temperature swings with seasonal HVAC cycling. Compared with discrete ADC plus op-amp front ends, the integrated buffer cuts BOM cost by about 30 percent and improves channel-to-channel gain matching to better than 0.5 dB.
Recommended
Radar and Lidar Baseband Digitizer
Short-range radar and lidar baseband signal chains use the ADC1415S065HN-C18 to capture I/Q baseband signals at sample rates that comfortably support 20 MHz complex bandwidth. The 14-bit resolution preserves the dynamic range needed to distinguish small targets against clutter returns, and the integrated input buffer accepts direct output from transimpedance amplifiers without an additional ADC driver. Selectable LVDS DDR output keeps the routing to the FPGA simple, leaving more FPGA resources for FFT-based range-Doppler processing. Compared with 12-bit radar ADCs, the 14-bit ADC1415S065HN-C18 delivers about 12 dB extra SNR, which directly improves target detection range and false-alarm rate. The -40C to +85C temperature range is essential for automotive-grade deployments where underhood temperatures can swing 80C during engine-off soak cycles.
Recommended
Recommended Products Summary
Engineering reference data for ADC1415S065HN-C18 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADC1415S080HN-C18 | ADC1415S105HN-C18 | ADC1415S125HN-C18 | ADC1415S065HN-C1 | ADC1213S125HN-C1 | ADC1112D125HN-C18 |
|---|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 40-pin HVQFN Exposed Pad | 40-pin HVQFN Exposed Pad - same | 40-pin HVQFN Exposed Pad - same | 40-pin HVQFN Exposed Pad - same | 40-pin HVQFN Exposed Pad - same | 40-pin HVQFN Exposed Pad - same | 40-pin HVQFN Exposed Pad - same |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit | 12 bit | 11 bit |
| Sampling Rate | 65 MSPS | 80 MSPS | 105 MSPS | 125 MSPS | 65 MSPS | 125 MSPS | 125 MSPS |
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Digital Output | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR |
| Integrated Input Buffer | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Integrated wide-bandwidth input buffer eliminates external ADC driver (vs ADC1213S125HN-C1)
- Pin-compatible speed-grade ladder within the ADC1415S family (vs ADC1112D125HN-C18)
- Selectable CMOS or LVDS DDR digital outputs on the same pinout (vs ADC1415S065HN-C1)
Design Notes
Use a low-noise LDO such as an ADP151 or TPS7A47 family part for the AVDD 3.3 V rail. The ADC1415S065HN-C18's input buffer and reference network are sensitive to AVDD noise above 10 mV RMS, which directly degrades SNR. Place a 10 uF X7R ceramic and a 0.1 uF NP0 bypass within 2 mm of the AVDD pin, and isolate AVDD from the digital DVDD supply using a ferrite bead or separate LDO. DVDD may be set to 1.8 V or 3.3 V depending on the FPGA interface voltage; tie it to the FPGA bank supply directly when possible. Estimated: at 65 MSPS with LVDS DDR output the AVDD current is roughly 70 mA, so budget 250 mW of LDO dissipation headroom.
Solder the exposed thermal pad (EP) to a continuous, uninterrupted analog-ground copper pour that spans at least 1 square inch of top-layer copper. Use at least four thermal vias (0.3 mm drill, 1 mm pitch) under the EP to stitch the top pour to inner ground planes. Route analog inputs as 50 ohm characteristic-impedance differential microstrip (or stripline on 4-layer boards) and keep them length-matched within 0.5 mm to preserve AC performance above 20 MHz IF. Avoid routing digital LVDS traces directly under the analog input traces to prevent digital coupling into the sensitive input buffer.
Place the clock driver as close as possible to the CLK+/CLK- pins, and route the differential clock with the same 50 ohm controlled-impedance rule as the analog inputs. If using an FPGA to generate the sampling clock, enable the FPGA's LVDS or LVPECL clock-output buffer for best jitter performance, and add a series damping resistor of 33 ohm near the clock driver output. Keep digital output traces (D0-D13) length-matched within 2 mm across each LVDS pair, and provide a 100 ohm differential termination resistor at the FPGA end. Route clock, analog input, and digital outputs on different layers separated by ground planes to prevent crosstalk.
The ADC1415S065HN-C18's SNR typically degrades by 1 to 2 dB when input clock jitter rises above 1 ps RMS. Source the sampling clock from a clean crystal oscillator or FPGA MMCM/PLL, not from a general-purpose clock buffer. If the application requires an external clock, add a bandpass filter between the oscillator and the CLK+ pin to remove harmonics. Estimated: at 65 MSPS and 10 MHz input, every additional 100 fs RMS of clock jitter costs roughly 0.5 dB of SNR, so total integrated jitter from 100 Hz to 100 MHz should stay below 1 ps.
Three common pitfalls: (1) forgetting to enable the SPI configuration port and leaving the part in default CMOS mode when LVDS DDR is intended; (2) failing to solder the EP, which causes the part to overheat and latch up; (3) routing analog inputs as single-ended traces rather than differential pairs, which destroys SFDR above 30 MHz. Read the datasheet SPI register map before PCB bring-up, use the datasheet recommended land pattern with a center EP, and always route the analog input differentially even in single-channel designs.
Compliance Information
RoHS compliant and lead-free per Renesas product page. Not AEC-Q100 qualified for automotive; use automotive-grade Renesas ADC parts where AEC-Q100 is required. Halogen-free status not specified in the verified web data and is marked unknown.
