ADC1015S125HN/C1 - 10-Bit 125 Msps ADC w/ Input Buffer | NXP / Renesas
MPN: ADC1015S125HN/C1 ✗ Cuối đờiADC1015S125HN/C1 Tóm tắt
An ADC (Analog-to-Digital Converter) is a data-conversion integrated circuit that samples continuous analog signals and produces discrete digital codes proportional to the input voltage. ADC1015S125HN/C1 belongs to the pipelined ADC sub-family within high-speed converters, which are themselves part of the broader data-converter / signal-chain category in mixed-signal ICs. Pipelined ADCs use a multi-stage architecture with sample-and-hold, sub-ADC, DAC, and residue amplifier blocks to achieve high sample rates (tens to hundreds of Msps) at moderate resolution (8-14 bits), making them the industry workhorse for communications, imaging, and instrumentation.
The part provides four speed grades (65, 80, 105, 125 Msps) selected via SPI, a flexible analog input range of 1 Vp-p to 2 Vp-p, and an integrated input buffer that simplifies front-end design by isolating the switched-capacitor sampling stage from the driver. The clock input is divided-by-2 internally (per the datasheet) for reduced jitter contribution. Available in a 40-pin HVQFN (6x6 mm) industrial-grade package rated -40C to +85C, it is well suited for dense multi-channel or single-channel high-speed designs where PCB real-estate and thermal headroom matter.
Typical applications include communications basestations, radar/LIDAR front-end digitizers, digital oscilloscopes, medical imaging, and high-speed test & measurement. The wide 600 MHz analog input bandwidth preserves harmonic content of IF/RF signals, while LVDS DDR outputs ease FPGA/CPLD capture at full 125 Msps without double-data-rate timing complications on the host side. The integrated input buffer lowers the drive requirement on the front-end amplifier and reduces kick-back into anti-alias filters.
When designing in this part, ensure the analog input common-mode and full-scale range are set per the SPI configuration that matches the desired 1 Vp-p or 2 Vp-p operation, and provide adequate PCB thermal copper for 635 mW dissipation. Decouple AVDD/AVDD_BUF independently with low-ESR ceramic capacitors placed as close to the pins as possible, and route LVDS outputs with 100-ohm differential impedance and length matching to preserve signal integrity at 125 Msps DDR.
This page synthesizes current NXP/Renesas distributor pricing, drop-in alternatives from the same 40-HVQFN pinout, and practical design notes that complement the manufacturer datasheet and speed up schematic-to-layout work.
Bộ thay thế dễ dàng lắp đặt cho ADC1015S125HN/C1 — 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 ADC1015S125HN/C1 (cùng hình factor và footprint) — khác nhau ở Package, Input Type, Resolution, Operating Temperature, Number of Channels.
ADC1010S125HN/C1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1010S105HN/C1:5
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC1010S080HN/C1:5
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC1012D080HN/C1:5
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC1015S105HN/C1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1015S080HN/C1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1015S065HN/C1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1015S125HN/C1 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 10 bits |
| Number of Channels | 1 |
| Sample Rate (max) | 125 Msps |
| Available Speed Grades | 65 / 80 / 105 / 125 Msps (SPI-selectable) |
| ADC Architecture | Pipelined |
| Analog Input Bandwidth | 600 MHz |
| SNR | 61.7 dBFS |
| SFDR | 86 dBc |
| Power Dissipation | 635 mW at 80 Msps (including input buffer) |
| Analog Input Range | 1 Vp-p to 2 Vp-p (SPI-configurable) |
| Digital Outputs | CMOS or LVDS DDR (selectable) |
| Integrated Input Buffer | Yes |
| Clock Input | Divided by 2 (per datasheet) |
| Duty Cycle Stabilizer | Yes (integrated) |
| Fast Out-of-Range Detection | Yes |
| Configuration Interface | Serial Peripheral Interface (SPI) |
| Điện áp cung cấp | 3 V to 3.4 V |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Hộp | 40-HVQFN (6 x 6 mm) |
| Số chân | 40 |
| Kiểu lắp đặt | Surface Mount |
| Screening Level | Industrial |
Cấu hình chân ADC1015S125HN/C1
| Chân 1 | AVDD — Analog supply (3.0-3.4 V) |
| Chân 2 | AVDD — Analog supply |
| Chân 3 | AGND — Analog ground |
| Chân 4 | AVDD_BUF — Analog input buffer supply |
| Chân 5 | AINP — Differential analog input positive |
| Chân 6 | AINN — Differential analog input negative |
| Chân 7 | AGND — Analog ground |
| Chân 8 | VCM — Common-mode voltage output |
| Chân 9 | AVDD — Analog supply |
| Chân 10 | REFT — Reference top decoupling |
| Chân 11 | REFB — Reference bottom decoupling |
| Chân 12 | AGND — Analog ground |
| Chân 13 | AVDD — Analog supply |
| Chân 14 | CLKN — Differential clock input negative |
| Chân 15 | CLKP — Differential clock input positive |
| Chân 16 | AGND — Analog ground |
| Chân 17 | CSN — SPI chip select (active low) |
| Chân 18 | SCLK — SPI clock |
| Chân 19 | SDIO — SPI data input/output |
| Chân 20 | DRVDD — Digital driver supply |
| Chân 21 | DGND — Digital ground |
| Chân 22 | D0/D0P — Data bit 0 (CMOS) / LVDS pair 0 positive |
| Chân 23 | D1/D0N — Data bit 1 (CMOS) / LVDS pair 0 negative |
| Chân 24 | D2/D1P — Data bit 2 (CMOS) / LVDS pair 1 positive |
| Chân 25 | D3/D1N — Data bit 3 (CMOS) / LVDS pair 1 negative |
| Chân 26 | D4/D2P — Data bit 4 (CMOS) / LVDS pair 2 positive |
| Chân 27 | D5/D2N — Data bit 5 (CMOS) / LVDS pair 2 negative |
| Chân 28 | D6/D3P — Data bit 6 (CMOS) / LVDS pair 3 positive |
| Chân 29 | D7/D3N — Data bit 7 (CMOS) / LVDS pair 3 negative |
| Chân 30 | D8/D4P — Data bit 8 (CMOS) / LVDS pair 4 positive |
| Chân 31 | D9/D4N — Data bit 9 (CMOS) / LVDS pair 4 negative |
| Chân 32 | DRVDD — Digital driver supply |
| Chân 33 | DGND — Digital ground |
| Chân 34 | DCLK_P — DDR clock output positive |
| Chân 35 | DCLK_N — DDR clock output negative |
| Chân 36 | OTR — Out-of-range indicator (active high) |
| Chân 37 | PDWN — Power-down control (active high) |
| Chân 38 | DGND — Digital ground |
| Chân 39 | RESET — Hard reset (active low) |
| Chân 40 | NC — Not connected (leave floating per datasheet) |
| Chân EP | EPAD — Exposed thermal pad - must be soldered to AGND copper pour |
Ứng dụng tiêu biểu
ADC1015S125HN/C1 phù hợp cho 7 Áp dụngs: Communications Basestation IF Digitization, Digital Oscilloscope Front-End Digitizer, Radar / LIDAR Pulse Capture Front-End, Medical Imaging Receiver Boards, Industrial Test & Measurement Instrumentation, Legacy Communications / Set-Top Box Baseband, Software Defined Radio (SDR) Receiver.
Communications Basestation IF Digitization
The ADC1015S125HN/C1's 125 Msps max sample rate and 600 MHz analog input bandwidth let it directly digitize IF signals in legacy WCDMA/LTE receiver chains while the on-chip input buffer simplifies the anti-alias filter interface. Place the part between the mixer IF output (typically 1-2 Vp-p) and the FPGA baseband processor, routing LVDS DDR outputs to length-matched 100-ohm differential pairs to preserve timing margin at full 125 Msps. The integrated duty cycle stabilizer reduces clock jitter sensitivity, which is critical for SFDR-sensitive basestation designs where the 86 dBc spec preserves EVM.
Được đề xuất
Digital Oscilloscope Front-End Digitizer
With 10-bit resolution and 125 Msps capability, the ADC1015S125HN/C1 historically served as a building block in cost-sensitive oscilloscope and waveform digitizer channels up to ~30 MHz analog bandwidth per Nyquist. Use the 2 Vp-p full-scale range for general-purpose measurement probes and the 1 Vp-p range for higher dynamic range on attenuated inputs. The integrated input buffer lowers the drive requirement on the front-end attenuator/amplifier chain, while LVDS DDR outputs feed FPGA/CPLD capture memory with deterministic latency at full sample rate.
Được đề xuất
Radar / LIDAR Pulse Capture Front-End
The ADC1015S125HN/C1 supports radar and LIDAR baseband I/Q digitization where 125 Msps captures 62.5 MHz of usable per-channel analog bandwidth - more than enough for many short-range pulsed systems. The on-chip Fast Out-of-Range (OTR) flag simplifies automatic gain control loops by signalling saturating returns in real time, while the 86 dBc SFDR preserves return-signal dynamic range against clutter. Place the converter close to the I/Q demodulator outputs, share a low-jitter clock through the divide-by-2 input, and route LVDS DDR data into the FPGA pulse-compression fabric.
Được đề xuất
Medical Imaging Receiver Boards
The ADC1015S125HN/C1 suits ultrasound and patient-monitoring receiver boards requiring 10-bit dynamic range at 125 Msps, where its integrated input buffer simplifies the LNA-to-ADC interface and the SPI-configurable 1-2 Vp-p range adapts to multiple transducer gain stages. Use the CMOS output mode at lower sample rates to reduce board-level EMI in patient-adjacent electronics, and leverage the on-chip duty cycle stabilizer to tolerate non-50% clocks from the FPGA timing generator. The industrial -40C to +85C operating range supports the thermal profile of cart-based imaging systems.
Được đề xuất
Industrial Test & Measurement Instrumentation
Test-and-measurement equipment such as waveform recorders, power-quality analyzers, and protocol analyzers benefit from the ADC1015S125HN/C1's 125 Msps capture rate and 10-bit resolution for general-purpose signal acquisition. The SPI interface allows microcontrollers or FPGAs to switch between 65, 80, 105, and 125 Msps modes to trade bandwidth for power dissipation, and the flexible 1-2 Vp-p input range removes the need for external attenuators in many bench-instrument designs. The -40C to +85C industrial rating supports lab and field-deployed chassis.
Được đề xuất
Legacy Communications / Set-Top Box Baseband
Sustaining designs for legacy cable set-top boxes, DOCSIS modems and QAM receivers use the ADC1015S125HN/C1 to digitize the IF output of the tuner at baseband rates up to 125 Msps. Its integrated input buffer tolerates the DC-offset and gain-step transients common in tuner IF chains, and the dual CMOS/LVDS output modes let engineers reuse the same PCB across product tiers. Pairing it with a NXP/IDT digital demodulator IC yields a compact, single-vendor signal chain that simplifies FCC/CE compliance.
Được đề xuất
Software Defined Radio (SDR) Receiver
Hobbyist and commercial SDR receiver front-ends leverage the ADC1015S125HN/C1 for direct-sampling of HF/low-VHF signals at up to 125 Msps, where its 600 MHz input bandwidth and 61.7 dBFS SNR provide good dynamic range for wideband spectrum capture. The LVDS DDR output streams directly into popular FPGA SDR boards, supporting real-time FFT processing and modulation decoding. The on-chip duty cycle stabilizer relaxes clock-source requirements when the FPGA MMCM/PLL is the master timing element.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADC1015S125HN/C1 — 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 | ADC1010S125HN/C1 | ADC1010S105HN/C1:5 | ADC1010S080HN/C1:5 | ADC1015S105HN/C1 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | HVQFN-40 (6x6) | HVQFN-40 (6x6) | HVQFN-40 (6x6) | HVQFN-40 (6x6) | HVQFN-40 (6x6) |
| Resolution (bits) | 10 | 10 | 10 | 10 | 10 |
| Max Sample Rate (Msps) | 125 | 125 | 105 | 80 | 105 |
| Number of Channels | 1 | 1 | 1 | 1 | 1 |
| Integrated Input Buffer | Yes | Yes | Yes | Yes | Yes |
| Digital Outputs | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR |
| Lifecycle Status | NRND | Active (recommended for new designs) | Active | Active | NRND |
| Parametric Match vs ADC1015S125HN/C1 | 100% (reference) | ~95% | ~90% | ~80% | ~90% |
Bảo phân biệt quan trọng
- Same-package active successor on NXP lifecycle (vsADC1015S125HN/C1 vs ADC1010S125HN/C1)
- Higher SNR/SFDR than older 10-bit pipelined parts at same sample rate (vsADC1015S125HN/C1 vs generic 10-bit pipelined ADC)
- Integrated analog input buffer reduces BOM and front-end complexity (vsADC1015S125HN/C1 vs bufferless ADCs in same package)
Ghi chú thiết kế
Estimated: decouple AVDD, AVDD_BUF and DRVDD independently with 1uF + 100nF X7R ceramic pairs placed as close as possible to each supply pin. Route the analog and digital grounds back to a single star point (often near the EPAD) and avoid splitting the EPAD ground plane - place a continuous thermal copper pour on the top layer tied to EPAD to keep junction rise under 30C at 635 mW dissipation on the 6x6 mm HVQFN package.
Estimated: for LVDS DDR outputs at 125 Msps, route D0-D9, DCLK_P/N and OTR as 100-ohm differential pairs with intra-pair length matching under 0.5 mm (approx 150 ps) and inter-pair matching under 2 mm. Use a reference ground plane one dielectric layer away; avoid routing over plane splits. Place a 100-ohm differential termination between the FPGA LVDS receiver pins and the FPGA ground reference as recommended by the FPGA vendor.
Estimated: total power dissipation at 80 Msps is 635 mW including the analog input buffer. At higher sample rates, dissipation scales roughly linearly - for a worst-case 125 Msps design budget ~800-900 mW on the ADC1015S125HN/C1 alone. Use a linear LDO (not a switching converter) for the AVDD rail to keep switching noise out of the analog front-end; the XAIPART TPS7A47xx LDOs are a suitable match.
Do not leave the EPAD un-soldered - the manufacturer datasheet shows the 40-pin HVQFN cannot meet thermal performance without the exposed pad tied to the ground copper pour. Also tie unused CMOS/LVDS data outputs to the DRVDD rail through 10k resistors (not floating) to prevent spurious digital toggling when not used. Confirm SPI configuration sets the correct speed grade (65/80/105/125 Msps) before applying the analog input signal.
Thông tin tuân thủ
Per NXP/IDT product page and Digi-Key listing, the part ships lead-free and RoHS-compliant. Industrial grade -40C to +85C screening, not AEC-Q100 qualified for automotive use.
