ADC1610S125HN-C1 - 16-Bit 125MSPS Pipelined ADC | Renesas
MPN: ADC1610S125HN-C1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $26.2 | $262.00 |
| 100 | $23.4 | $2,340.00 |
| 500 | $21.1 | $10,550.00 |
| 1,000 | $18.95 | $18,950.00 |
ADC1610S125HN-C1 Overview
A pipelined ADC is a high-speed data-converter architecture that resolves a multi-bit sample by passing it through successive low-resolution flash stages synchronized to half-clock intervals. Compared to successive-approximation (SAR) and flash ADCs, pipelined converters deliver the best trade-off between sampling rate (tens of MSPS to several hundred MSPS), resolution (10-16 bits), and die area, making them the dominant choice for high-speed instrumentation, communications baseband, and digital imaging. Within the broader signal-chain taxonomy the ADC1610S125HN-C1 sits as: ADC -> data converter -> mixed-signal IC -> semiconductor.
Key specifications include 16-bit native resolution, 125 MSPS maximum sampling rate, support for 65/80/105/125 MSPS family variants sharing the same die, and a single 1-input analog front end. The converter operates from industrial-temperature screening levels of -40 C to +85 C and uses a parallel CMOS or LVDS DDR output bus for direct connection to high-speed FPGAs. The exposed thermal pad (EP) on the bottom of the HVQFN-40 package provides a low thermal resistance path for high-temperature applications, while the lead-free plastic package is JEDEC MO-220 / SOT618-1 compliant.
The architecture uses a multi-stage pipeline with on-chip digital error correction and an internal reference buffer. The LVDS DDR interface doubles the output data rate per pin, halving the number of data lines required for a given throughput, which is critical for board-level signal integrity at 125 MSPS. Per the Renesas ADC1610S_SER datasheet, the full-scale reference is adjustable via the SPI port, supporting automated production calibration across multiple boards without external trimming.
Typical applications include multi-carrier wireless infrastructure baseband digitization, medical ultrasound beamformers, high-speed instrumentation and oscilloscopes, software-defined radio (SDR) receivers, and digital pre-distortion (DPD) observation paths in RF power amplifiers. The 16-bit resolution at 125 MSPS places it in the sweet spot for LTE/5G small cells, radar IF sampling, and spectrum analyzer IF digitizers.
A key design consideration is that the LVDS DDR mode requires 100-ohm differential termination at the receiver, and the exposed pad must be soldered to a sufficient copper area (typically a 4x4 via array to an internal ground plane) to keep junction temperature within datasheet limits. The internal reference programming via INTREF[2:0] allows per-board full-scale calibration that compensates for front-end gain tolerance.
This page synthesizes distributor stock and pricing, verified drop-in and pin-compatible alternatives, application-specific design notes, and a parametric comparison table not found in the standalone manufacturer datasheet.
Drop-in alternatives for ADC1610S125HN-C1 — 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 ADC1610S125HN-C1 (same form factor and footprint) — differing in Package, Resolution, Input Type, Number of Channels, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADC1610S105HN-C1
✅ Drop-In📋 Reference alternative (not in catalog)
ADC1610S080HN-C1
✅ Drop-In📋 Reference alternative (not in catalog)
ADC1610S065HN-C1
✅ Drop-In📋 Reference alternative (not in catalog)
ADC1413S125HN-C1
✅ Drop-In✓ In Stock
$21.3 / Unit
View Datasheet →ADC1213S125HN-C1
✅ Drop-In✓ In Stock
$18.45 / Unit
View Datasheet →ADC1410S125HN-C1
✅ Drop-In✓ In Stock
$20.95 / Unit
View Datasheet →ADC1610S125HN-C1 Maximum Ratings & Electrical Characteristics
| Resolution | 16 bit |
| Number of Channels | 1 |
| Architecture | Pipelined |
| Sample Rate (max) | 125 MSPS |
| Sample Rate Family | 65 / 80 / 105 / 125 MSPS |
| Input Type | Single-ended analog input |
| Digital Output Interface | CMOS parallel or LVDS DDR |
| Package | 40-VFQFPN (HVQFN) 6 mm x 6 mm with exposed pad |
| Package Outline | MO-220 / SOT618-1 |
| Package Height | 0.85 mm |
| Operating Temperature | -40 C to +85 C (industrial) |
| Screening Level | Industrial |
| Internal Reference | Yes, programmable via SPI or VREF/SENSE pins (0 dB to 6 dB, 1 dB steps) |
| Reference Programming | INTREF[2:0] bits, INTREF_EN control bit |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead Free | Yes |
| Pin Count | 40 |
ADC1610S125HN-C1 Pin Configuration
| Pin 1 | VREF — Reference voltage input/output |
| Pin 2 | SENSE — Reference sense pin (sets reference mode) |
| Pin 3 | INP — Analog positive input |
| Pin 4 | INN — Analog negative input |
| Pin 5 | GND — Analog ground |
| Pin 6 | VDD — Analog 1.8 V supply |
| Pin 7 | VDD — Analog 1.8 V supply |
| Pin 8 | GND — Analog ground |
| Pin 9 | CLK+ — Differential clock input positive |
| Pin 10 | CLK- — Differential clock input negative |
| Pin 11 | GND — Clock ground |
| Pin 12 | SDIO — SPI data I/O |
| Pin 13 | SCLK — SPI clock |
| Pin 14 | CSB — SPI chip select (active low) |
| Pin 15 | SDO — SPI data output |
| Pin 16 | RESETB — Reset (active low) |
| Pin 17 | GND — Digital ground |
| Pin 18 | VDDR — Digital output driver supply |
| Pin 19 | D0+/D0 — LVDS DDR data / CMOS bit 0 |
| Pin 20 | D0-/D1 — LVDS DDR data / CMOS bit 1 |
| Pin 21 | D2 — CMOS data bit 2 |
| Pin 22 | D3 — CMOS data bit 3 |
| Pin 23 | D4 — CMOS data bit 4 |
| Pin 24 | D5 — CMOS data bit 5 |
| Pin 25 | D6 — CMOS data bit 6 |
| Pin 26 | D7 — CMOS data bit 7 |
| Pin 27 | D8 — CMOS data bit 8 |
| Pin 28 | D9 — CMOS data bit 9 |
| Pin 29 | D10 — CMOS data bit 10 |
| Pin 30 | D11 — CMOS data bit 11 |
| Pin 31 | D12 — CMOS data bit 12 |
| Pin 32 | D13 — CMOS data bit 13 |
| Pin 33 | D14 — CMOS data bit 14 |
| Pin 34 | D15 — CMOS data bit 15 |
| Pin 35 | DRDY — Data ready output |
| Pin 36 | OEB — Output enable (active low) |
| Pin 37 | GND — Digital ground |
| Pin 38 | VDDR — Digital output driver supply |
| Pin 39 | GND — Digital ground |
| Pin 40 | MODE — CMOS / LVDS mode select |
Typical Applications
ADC1610S125HN-C1 is suitable for 6 applications: Wireless Baseband Digitization (LTE / 5G Small Cell), Medical Ultrasound Beamformer, Software-Defined Radio (SDR) Receiver, High-Speed Instrumentation and Oscilloscope IF Digitizer, Radar IF Sampling, Digital Pre-Distortion (DPD) Observation Receiver.
Wireless Baseband Digitization (LTE / 5G Small Cell)
The ADC1610S125HN-C1's 16-bit resolution at 125 MSPS and LVDS DDR outputs suit multi-carrier LTE and 5G small-cell baseband digitizers where spurious-free dynamic range directly sets EVM. Per the Renesas datasheet, the programmable internal reference (INTREF[2:0], 0-6 dB in 1 dB steps) lets production test calibrate full-scale against PA gain tolerance, while the HVQFN-40 footprint is small enough for 4-channel diversity receivers.
Recommended
Medical Ultrasound Beamformer
16-bit resolution at 125 MSPS provides the dynamic range required for ultrasound beamformer receive paths digitizing echoes from tissue depths of 1-30 cm. The LVDS DDR interface minimizes board area in dense 64/128-channel probe heads, and the HVQFN-40 exposed pad offers a low thermal resistance path to manage total system dissipation. Renesas documentation recommends the ADC1610S_SER family for low-power medical imaging front ends where noise floor sets image contrast.
Recommended
Software-Defined Radio (SDR) Receiver
The ADC1610S125HN-C1 supports direct IF sampling in SDR receivers for HF/VHF/UHF bands where its 16-bit resolution and 125 MSPS throughput enable wideband capture of multiple simultaneous channels. The CMOS/LVDS DDR output flexibility lets designers pair the part directly with high-end FPGAs (Xilinx Kintex, Intel Cyclone) over differential pairs. Per the Renesas datasheet, the internal reference stability supports the narrowband channel filtering required for digital-down-conversion chains.
Recommended
High-Speed Instrumentation and Oscilloscope IF Digitizer
Test and measurement front ends use the ADC1610S125HN-C1 in the intermediate-frequency (IF) stage of digital oscilloscopes and spectrum analyzers, where 16 bits at 125 MSPS deliver the dynamic range needed to capture weak harmonics next to fundamental tones. The exposed-pad HVQFN-40 package supports the multi-ADC layouts of high-end digitizers, and the programmable internal reference (1 dB steps via SPI) simplifies per-channel gain matching across 4-channel modules.
Recommended
Radar IF Sampling
The ADC1610S125HN-C1 suits radar intermediate-frequency signal chains where 16-bit resolution at 125 MSPS supports simultaneous capture of target returns and clutter. The LVDS DDR output bus keeps the FPGA pin count manageable across multi-channel phased-array receivers, and the -40 C to +85 C industrial temperature range meets defense and weather-radar operating environments. Renesas documents the family for low-power radar IF sampling.
Recommended
Digital Pre-Distortion (DPD) Observation Receiver
In RF power amplifier linearization, the ADC1610S125HN-C1 functions as the observation-path ADC in DPD feedback loops, where it samples the PA output at 125 MSPS to compute correction coefficients. 16-bit resolution captures harmonic distortion products with sufficient margin for adaptive algorithms, and the LVDS DDR interface streams observation data to a high-end FPGA running the DPD engine. Per the Renesas datasheet, the programmable internal reference simplifies per-PA gain calibration.
Recommended
Recommended Products Summary
Engineering reference data for ADC1610S125HN-C1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADC1610S105HN-C1 | ADC1610S080HN-C1 | ADC1610S065HN-C1 | ADC1413S125HN-C1 |
|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | HVQFN-40 (6x6 mm, EP) | HVQFN-40 (6x6 mm, EP) - same | HVQFN-40 (6x6 mm, EP) - same | HVQFN-40 (6x6 mm, EP) - same | HVQFN-40 (6x6 mm, EP) - same |
| Resolution | 16 bit | 16 bit | 16 bit | 16 bit | 14 bit |
| Sample Rate (max) | 125 MSPS | 105 MSPS | 80 MSPS | 65 MSPS | 125 MSPS |
| Output Interface | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR | CMOS or LVDS DDR |
| Internal Reference | Yes, programmable 0-6 dB via SPI | Yes, programmable 0-6 dB via SPI | Yes, programmable 0-6 dB via SPI | Yes, programmable 0-6 dB via SPI | Yes, programmable 0-6 dB via SPI |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Pin-to-Pin Compatible | Yes (family baseline) | Yes - same family | Yes - same family | Yes - same family | Yes - same package |
Key Differentiators
- Pin-compatible speed-grade scalability in a single footprint (vs ADC1610S065HN-C1, ADC1610S080HN-C1, ADC1610S105HN-C1)
- LVDS DDR interface reduces FPGA pin count by 50% at 125 MSPS (vs SAR ADCs (e.g. AD7980 family))
- Programmable internal reference (1 dB steps via SPI) (vs ADCs with fixed internal reference)
Design Notes
The HVQFN-40 exposed thermal pad on the ADC1610S125HN-C1 must be soldered to a continuous ground copper pour connected to a via array (typically 4x4 or 5x5 vias at 0.3 mm pitch) to the internal ground plane. This serves both as the low-impedance return path for the analog input and as the thermal dissipation path. A discontinuous or starved ground pour will degrade linearity (INL/DNL) and increase junction temperature beyond datasheet limits at full 125 MSPS operation.
When operating the ADC1610S125HN-C1 in LVDS DDR mode at 125 MSPS, route each differential pair (CLK+/CLK-, D0+/D0-, etc.) as 100-ohm differential microstrip with matched length within 1 mm, and terminate the receiver end with a 100-ohm differential resistor placed as close as possible to the FPGA pins. For CMOS parallel mode, place 22 ohm series damping resistors at the ADC outputs to damp transmission-line ringing, and keep the data bus trace length below 50 mm.
The ADC1610S125HN-C1 requires separate analog (VDD) and digital output driver (VDDR) supply rails. Decouple each VDD pin with a 100 nF X7R ceramic capacitor placed within 2 mm of the pin, plus a 10 uF bulk capacitor near the package. Keep analog and digital grounds connected at a single point (star ground) to prevent digital switching noise from coupling into the analog input. Per the Renesas datasheet, the part supports 1.8 V analog and 1.8 V or 3.3 V digital supply operation depending on VDDR configuration.
Do not operate the ADC1610S125HN-C1 without a clock signal applied - the part can latch up if the CLK+/- inputs are left floating. Always drive CLK+/- with a low-jitter clock source (jitter < 1 ps RMS) to preserve SNR; a poor clock is the most common cause of under-performing ADC designs. Also, do not exceed 1.95 V on the VDD analog supply or apply power before the reference is stable, as this can permanently damage the input ESD structures.
Compliance Information
RoHS and lead-free compliant per Renesas product page. Industrial temperature grade (-40 C to +85 C); not AEC-Q100 qualified for automotive. Halogen-free per Renesas packaging data.
