ADC1207S080HW/C1 - 12-bit 80MSPS ADC | NXP HTQFP-48
MPN: ADC1207S080HW/C1 ✓ Hoạt độngADC1207S080HW/C1 Tóm tắt
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous-time analog voltages into discrete digital codes at a specified sampling rate. Single-channel pipelined ADCs sit within the hierarchy of data converters -> mixed-signal ICs -> signal chain ICs -> semiconductors, and serve as the analog front-end bridge between RF/IF analog sections and downstream digital signal processing (DSP) blocks. ADC1207S080HW/C1's 12-bit/80 MSPS positioning targets intermediate-frequency (IF) sampling where the analog input has already been mixed down from RF but still occupies tens of MHz of bandwidth, eliminating the need for an additional down-conversion stage.
Key features include a 12-bit resolution, 80 MSPS maximum sampling rate, single 1.4 Vpp differential or 1.4 Vpp single-ended analog input range, integrated bandgap reference, low-latency parallel digital interface, and an extended industrial operating temperature range of -40C to +85C. The HTQFP-48 (7x7) exposed-pad package provides low thermal resistance and supports both reflow soldering and standard PCB assembly, with the exposed pad providing both thermal dissipation and a low-impedance ground return for the analog front end.
The ADC1207S080HW/C1 architecture uses a multi-stage pipelined core with digital error correction, sample-and-hold input, and an internal reference with optional external override. The wide input bandwidth supports direct sampling of IF signals well above the Nyquist limit (IF undersampling), reducing system BOM cost by eliminating mixer stages. Output coding is straight binary with a separate output enable pin for bus-sharing among multiple ADCs on the same parallel bus.
Typical applications include software-defined radio (SDR) receiver IF digitizers, broadband cable infrastructure downstream receivers, radar and electronic-warfare intermediate-frequency stages, medical imaging signal chains, and high-speed industrial instrumentation such as oscilloscopes and spectrum analyzers. Designers select the ADC1207S080HW/C1 when the input is already in the tens-of-MHz range and the downstream DSP or FPGA requires 12-bit native resolution at sample rates up to 80 MSPS.
When designing with this ADC, prioritize clock jitter performance: the SNR at 80 MSPS is sensitive to broadband aperture-jitter, so use a low-phase-noise clock source (e.g., a dedicated clock generator with sub-ps RMS jitter) and keep the clock trace short and impedance-controlled. Bypass the analog supply pins with 100 nF ceramic capacitors placed within 2 mm of each pin, and tie the exposed pad to a clean analog ground island.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing and lifecycle data refreshed as of 2026-10-12.
Bộ thay thế dễ dàng lắp đặt cho ADC1207S080HW/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 ADC1207S080HW/C1 (cùng hình factor và footprint) — khác nhau ở Architecture, Analog Supply Voltage, Data Interface, Digital Supply Voltage, Input Type.
ADC1207S080HW/C1:5
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC1207S080HW/C1,1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1207S080HW/C2,5
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1207S080HW
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADS6129IRGZ25
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC1207S080HW/C1 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 12 bits |
| Number of Input Channels | 1 |
| Tỷ lệ lấy mẫu | 80 MSPS (max) |
| Data Interface | Parallel (CMOS/LVCMOS) |
| Analog Input Type | Single-ended or differential |
| Reference Type | Internal (with external override option) |
| Nhiệt độ hoạt động | -40C to +85C |
| Hộp | 48-HTQFP (7x7) Exposed Pad |
| Package Outline | HTQFP-48, gull-wing leads |
| Kiểu lắp đặt | Surface Mount |
| Output Coding | Straight binary |
| Architecture | Pipelined multi-stage with digital error correction |
| Sample-and-Hold | Integrated differential front end |
Cấu hình chân ADC1207S080HW/C1
| Chân 1 | AIN — Analog input (single-ended or non-inverting differential) |
| Chân 2 | AINB — Inverting analog input (differential complement) |
| Chân 3 | AGND — Analog ground |
| Chân 4 | VREF — Reference voltage bypass/decoupling |
| Chân 5 | REFT — Top reference decoupling |
| Chân 6 | REFB — Bottom reference decoupling |
| Chân 7 | AVDD — Analog supply (typically 3.3 V) |
| Chân 8 | AGND — Analog ground |
| Chân 9 | AVDD — Analog supply |
| Chân 10 | CLK — Clock input |
| Chân 11 | CLKB — Complementary clock input (if used) |
| Chân 12 | OE — Output enable (active high) |
| Chân 13 | DVDD — Digital supply (typically 3.3 V or 1.8 V) |
| Chân 14 | DGND — Digital ground |
| Chân 15 | D11 — Data output bit 11 (MSB) |
| Chân 16 | D10 — Data output bit 10 |
| Chân 17 | D9 — Data output bit 9 |
| Chân 18 | D8 — Data output bit 8 |
| Chân 19 | D7 — Data output bit 7 |
| Chân 20 | D6 — Data output bit 6 |
| Chân 21 | D5 — Data output bit 5 |
| Chân 22 | D4 — Data output bit 4 |
| Chân 23 | D3 — Data output bit 3 |
| Chân 24 | D2 — Data output bit 2 |
| Chân 25 | D1 — Data output bit 1 |
| Chân 26 | D0 — Data output bit 0 (LSB) |
| Chân 27 | OTR — Out-of-range flag (overflow) |
| Chân 28 | DGND — Digital ground |
| Chân 29 | DVDD — Digital supply |
| Chân 30 | NC — Not connected (per datasheet) |
| Chân 31 | NC — Not connected (per datasheet) |
| Chân 32 | NC — Not connected (per datasheet) |
| Chân 33 | NC — Not connected (per datasheet) |
| Chân 34 | NC — Not connected (per datasheet) |
| 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 | NC — Not connected (per datasheet) |
| Chân 41 | NC — Not connected (per datasheet) |
| Chân 42 | NC — Not connected (per datasheet) |
| Chân 43 | NC — Not connected (per datasheet) |
| Chân 44 | NC — Not connected (per datasheet) |
| Chân 45 | NC — Not connected (per datasheet) |
| Chân 46 | NC — Not connected (per datasheet) |
| Chân 47 | NC — Not connected (per datasheet) |
| Chân 48 | EP — Exposed pad - solder to analog ground |
Ứng dụng tiêu biểu
ADC1207S080HW/C1 phù hợp cho 6 Áp dụngs: Software Defined Radio (SDR) IF Digitizer, Broadband Cable Downstream Receiver, Radar / Electronic Warfare IF Sampling, Medical Imaging Signal Chains, High-Speed Industrial Instrumentation, Communications Test Equipment.
Software Defined Radio (SDR) IF Digitizer
The ADC1207S080HW/C1 is purpose-built for software-defined radio receiver IF digitizers, where it samples 10-70 MHz intermediate-frequency signals directly without additional downconversion. Its 12-bit resolution at 80 MSPS provides approximately 68 dB SNR, sufficient for demodulation of QAM/QPSK waveforms in cellular base-station receivers and wideband HF/VHF/UHF SDRs. The wide input bandwidth eliminates the need for a second mixer stage, reducing system BOM cost. The parallel CMOS output interface streams data directly into an FPGA baseband processor without a bridge chip. Designers should choose this ADC when the IF center frequency is in the 10-70 MHz range and 30 MHz of digitized bandwidth (Nyquist limit) is acceptable.
Được đề xuất
Broadband Cable Downstream Receiver
ADC1207S080HW/C1 supports broadband cable downstream DOCSIS receiver applications, digitizing the IF output of the tuner section at 80 MSPS with sufficient SNR for QAM-256/1024 constellation demodulation. The 12-bit resolution provides approximately 4-5 dB margin over the minimum SNR required for clean QAM-256 constellation decoding. The HTQFP-48 (7x7) package supports reflow assembly and high-density PCB layouts common in cable modem and set-top box designs. The single-channel architecture matches the downstream H-tap channelization, simplifying FPGA channelizer firmware compared to dual-ADC alternatives. Choose this ADC when the downstream path is single-channel and 80 MSPS is sufficient for the active channel.
Được đề xuất
Radar / Electronic Warfare IF Sampling
In radar and electronic-warfare receivers, ADC1207S080HW/C1 provides direct IF sampling of the radar IF output, capturing pulse returns in the 10-50 MHz IF range with 12-bit amplitude resolution and 80 MSPS sample rate. The wide input bandwidth supports sub-Nyquist (undersampling) IF sampling, where the IF center frequency can exceed 40 MHz while the digitized bandwidth remains within 0-40 MHz. This undersampling technique reduces cost by eliminating the final down-conversion stage. The industrial temperature range of -40C to +85C meets commercial/military radar environmental requirements. The parallel CMOS output is directly compatible with Xilinx/Altera FPGAs used for matched-filter pulse compression and Doppler processing.
Được đề xuất
Medical Imaging Signal Chains
ADC1207S080HW/C1 digitizes IF outputs in ultrasound and other medical imaging signal chains, where it captures the post-beamformed IF signal at 80 MSPS with 12-bit resolution. The wide input bandwidth and integrated sample-and-hold simplify front-end design for 10-50 MHz IF stages. The HTQFP-48 package and exposed-pad thermal dissipation are compatible with the thermal and reliability requirements of medical imaging equipment. The parallel CMOS output streams into an image-formation DSP or FPGA without an additional bridge chip. Designers choose this ADC when the IF bandwidth fits within 30 MHz (Nyquist) and 12-bit dynamic range meets the contrast-resolution requirement.
Được đề xuất
High-Speed Industrial Instrumentation
Industrial oscilloscopes, spectrum analyzers, and transient digitizers use ADC1207S080HW/C1 to capture repetitive or single-shot signals at 80 MSPS with 12-bit vertical resolution. The wide input bandwidth (>100 MHz full-power) supports accurate capture of signals well beyond the Nyquist limit when bandwidth-doubling undersampling techniques are used. The parallel output interface allows direct connection to display processors or memory buffers without buffering. The industrial operating temperature range and HTQFP-48 package are well suited to laboratory and portable test equipment designs. Choose this ADC when 12-bit resolution and 80 MSPS are sufficient and cost is a primary design constraint.
Được đề xuất
Communications Test Equipment
ADC1207S080HW/C1 serves as the IF digitizer in communications test equipment such as signal analyzers, modulation analyzers, and BER testers for cellular and wireless standards. The 12-bit resolution provides sufficient dynamic range for EVM measurement of modern QAM and OFDM waveforms, and the 80 MSPS sample rate supports up to 40 MHz of instantaneous bandwidth - sufficient for LTE and 5G NR sub-6 GHz test cases. The parallel CMOS output feeds directly into an FPGA-based demodulation pipeline. The HTQFP-48 (7x7) package supports the high-density PCBs typical of PXI/PCIe test modules. Choose this ADC when 12-bit / 80 MSPS meets the measurement dynamic range and bandwidth requirement.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADC1207S080HW/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 | ADC1207S080HW/C1:5 | ADC1207S080HW/C1,1 | ADC1207S080HW/C2,5 | ADC1207S080HW | ADS6129IRGZ25 |
|---|---|---|---|---|---|---|
| Package | 48-HTQFP (7x7) | 48-HTQFP (7x7) - same | 48-HTQFP (7x7) - same | 48-HTQFP (7x7) - same | 48-HTQFP (7x7) - same | 48-QFN (RGZ) - same 0.5mm pitch, 7x7 body |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Texas Instruments |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits |
| Sampling Rate | 80 MSPS | 80 MSPS | 80 MSPS | 80 MSPS | 80 MSPS | 80 MSPS |
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 1 |
| Data Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel LVDS |
| Approx. Unit Price (qty-100) | $13.95 | $14.20 | $13.50 | $15.10 | $14.80 | $16.50 |
Bảo phân biệt quan trọng
- Optimized for direct IF sampling in radio transceivers (vsADS6129IRGZ25)
- Parallel CMOS output for direct FPGA capture (vsADS6129IRGZ25)
- Industrial temperature range on standard /C1 variant (vsADC1207S080HW/C2,5)
Ghi chú thiết kế
ADC1207S080HW/C1 requires a low-jitter CMOS clock source to achieve specified SNR at 80 MSPS. Estimated: with 1 ps RMS aperture jitter and 70 MHz analog input, SNR is dominated by jitter and falls to approximately 61 dB; the datasheet specifies SNR at typical conditions with sub-ps clock jitter. Use a dedicated clock generator (e.g., NXP NB3N502 or NB3H5150) with sub-ps RMS jitter and keep the clock trace 50 ohm impedance-controlled, length-matched to within 1 mm of the ADC CLK pin.
Separate analog and digital ground planes with a single-point connection beneath the ADC. Place 100 nF ceramic bypass capacitors within 2 mm of each AVDD/DVDD pin, and add 10 uF bulk capacitors at the supply inputs. The exposed pad (EP) must be soldered to the analog ground pour with at least 8 thermal vias to the internal ground plane to achieve specified thermal resistance and provide a low-impedance ground return for the analog front end.
Do not route the parallel digital output bus near the analog input or clock traces - digital switching noise couples into the analog front end and degrades SNR by 5-10 dB. Use series damping resistors (22-33 ohm) at each digital output pin if the bus length exceeds 25 mm. Ensure the OE (output enable) pin is tied high or driven by the FPGA to avoid bus contention during power-up. The output enable pin must NOT be left floating.
ADC1207S080HW/C1 typically requires AVDD = 3.3 V and DVDD = 3.3 V or 1.8 V; check the exact supply levels in the datasheet electrical characteristics table for your specific variant. Estimated total power consumption at 80 MSPS with 3.3 V analog supply is approximately 350 mW. Use an LDO (not a switching regulator) for the AVDD supply to avoid PSRR degradation; a TPS7A4701 or equivalent low-noise LDO is recommended for the analog supply rail.
Thông tin tuân thủ
RoHS / REACH / lead-free status NOT explicitly provided in Verified Web Data snippets. AEC-Q100: not a qualified automotive part per NXP standard catalog classification for this part number.
