MAX1419ETN+TD - 15-Bit 65Msps ADC -79.3dBFS | Analog Devices
MPN: MAX1419ETN+TD ✓ Hoạt độngMAX1419ETN+TD Tóm tắt
An ADC (Analog-to-Digital Converter) is a mixed-signal integrated circuit that samples continuous analog voltages and converts them into discrete binary numbers for downstream DSP, FPGA, or ASIC processing. The MAX1419 belongs to the converter IC hierarchy: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. Within Maxim/ADI's portfolio, the MAX1418 (lower speed), MAX1419 (65 Msps), MAX1428 (lower speed, higher dynamic range), and MAX1430 (higher speed) form a pin-compatible family that lets designers reuse PCB layout when migrating between sample-rate or dynamic-range targets.
The MAX1419 achieves -79.3dBFS noise floor and high spurious-free dynamic range (SFDR) optimized for communications receivers, baseband digitization, and IF sampling subsystems. Its 15-bit native resolution provides 78 dB of theoretical SNR, balanced against the practical SFDR budget in dense signal environments. The part operates from a single 3.3V analog supply and a 3.3V or 1.8V digital supply, easing integration with low-voltage FPGAs.
Architecturally, the MAX1419 uses a multi-stage pipeline core with digital error correction and an internal bandgap reference. The track-and-hold front end has been characterized for low-jitter sampling of intermediate-frequency signals, allowing undersampling of IF blocks in software-defined radio and instrumentation designs. Output data is presented over a dual CMOS or LVDS-style parallel interface compatible with standard FPGA receiver IP.
Typical applications include baseband sampling in cellular base-station signal chains, IF-sampling ADCs for software-defined radio (SDR), medical imaging front ends, and industrial test and measurement digitizers. Industrial temperature grade (-40°C to +85°C) supports process-control and outdoor-telecom deployments. When selecting this part, ensure the FPGA-side parallel-data capture IP is configured for 15-bit wide bus mode and the PCB provides adequate copper mass beneath the exposed pad to keep junction temperature within the -40°C to +85°C industrial envelope.
Bộ thay thế dễ dàng lắp đặt cho MAX1419ETN+TD — 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 MAX1419ETN+TD (cùng hình factor và footprint) — khác nhau ở Noise Floor, Number of Channels, Operating Temperature Range, Terminal Form.
MAX1418ETN+TD
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX1428ETN+D
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX1430ETN+TD
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX1419ETN+D
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MAX1419ETN+TD Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 15 bit |
| Sample Rate | 65 Msps |
| Noise Floor | -79.3 dBFS |
| Number of Channels | 1 differential |
| Package Type | 56-WFQFN Exposed Pad (HVQCCN) |
| Số chân | 56 |
| Terminal Form | NO LEAD |
| Package Shape | SQUARE |
| Temperature Grade | INDUSTRIAL |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C |
| Conversion Method | PROPRIETARY (pipeline with digital error correction) |
| Input Type | Differential analog |
| Output Interface | Parallel (CMOS/SLVOF-compatible) |
| Analog Supply Voltage | 3.3 V |
| Digital Supply Voltage | 3.3 V or 1.8 V |
| Trạng thái RoHS | Compliant |
| Kiểu lắp đặt | Surface Mount |
Hướng dẫn cấu hình chân MAX1419ETN+TD square
Cấu hình chân cho MAX1419ETN+TD (square gói). Thành phần số hiệu này có chân đầu vào, đầu ra và nguồn cung cấp. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết cấu hình chân bù, bù trừ và chân kích hoạt. Hoàn hảo cho điều kiện tín hiệu và mạch khuếch đại.
Không có dữ liệu chân cụ thể sẵn có cho MAX1419ETN+TD.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MAX1419ETN+TD phù hợp cho 6 Áp dụngs: Baseband Sampling in Cellular Base-Station Signal Chains, IF-Sampling Software-Defined Radio (SDR), Medical Imaging Front Ends, Industrial Test and Measurement Digitizers, Communications Receiver IF Chains, Process Control and Data Acquisition.
Baseband Sampling in Cellular Base-Station Signal Chains
The MAX1419ETN+TD's 15-bit resolution at 65 Msps suits baseband I/Q digitization in cellular base-station receivers and infrastructure gear. The -79.3 dBFS noise floor preserves EVM and ACPR margins needed for 3G/4G channel-card signal paths, while the parallel CMOS output streams directly into an FPGA for digital down-conversion. The 56-WFQFN exposed-pad package handles continuous thermal load across the -40 C to +85 C industrial envelope, important for outdoor macro-cell installations.
Được đề xuất
IF-Sampling Software-Defined Radio (SDR)
Software-defined radio front ends leverage the MAX1419ETN+TD's 65 Msps sample rate to undersample intermediate-frequency signals up to approximately 30 MHz, eliminating a second downconversion stage. The -79.3 dBFS noise floor is adequate for narrow-band demodulation of FM, DVB, and amateur-radio IF chains. Pairing the part with a low-phase-noise clock preserves SNR across the digitized IF band, and the parallel interface maps cleanly to FPGA receiver ISERDES logic.
Được đề xuất
Medical Imaging Front Ends
Ultrasound and other medical imaging front ends use the MAX1419ETN+TD to digitize received transducer signals with 15-bit dynamic range at channel-friendly speeds. The -79.3 dBFS noise floor combined with differential analog inputs rejects common-mode noise from long cable harnesses between the probe and the imaging system. Industrial temperature grade suits cart-mounted diagnostic equipment, while the small 56-WFQFN footprint supports high-channel-count PCB arrays.
Được đề xuất
Industrial Test and Measurement Digitizers
Bench-top oscilloscopes, spectrum analyzers, and data-acquisition systems use the MAX1419ETN+TD to capture repetitive waveforms at 65 Msps with 15-bit vertical resolution. The differential input rejects ground noise in mixed-signal test fixtures, while the exposed-pad package enables continuous operation under sustained thermal load. Industrial temperature grade ensures stable readings in factory-floor and laboratory environments spanning -40 C to +85 C.
Được đề xuất
Communications Receiver IF Chains
The MAX1419ETN+TD fits IF-sampling stages in microwave and satellite-communications receivers, where analog baseband bandwidths sit between 10 and 30 MHz. The -79.3 dBFS noise floor combined with 15-bit resolution handles multi-carrier signal environments with sufficient dynamic range for demodulator bit-error-rate targets. The 56-WFQFN exposed-pad package supports dense multi-channel receiver boards with manageable thermal profiles.
Được đề xuất
Process Control and Data Acquisition
Industrial process-control and data-acquisition subsystems use the MAX1419ETN+TD to digitize transducer and sensor outputs at 65 Msps with 15-bit precision. The differential input rejects common-mode noise from long sensor cable runs in factories, while industrial temperature grade supports outdoor installations. The exposed-pad WFQFN-56 package integrates into compact PLC and DAQ card layouts without external heatsinking at moderate channel counts.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MAX1419ETN+TD — 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 | MAX1418ETN+TD | MAX1428ETN+D | MAX1430ETN+TD | MAX1419ETN+D |
|---|---|---|---|---|---|
| Package | 56-WFQFN Exposed Pad (HVQCCN) | 56-WFQFN Exposed Pad (HVQCCN) - same | 56-WFQFN Exposed Pad (HVQCCN) - same | 56-WFQFN Exposed Pad (HVQCCN) - same | 56-WFQFN Exposed Pad (HVQCCN) - same |
| Brand | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) |
| Resolution | 15 bit | 15 bit | 15 bit | 15 bit | 15 bit |
| Sample Rate | 65 Msps | 40 Msps | 40 Msps | 80 Msps | 65 Msps |
| Noise Floor | -79.3 dBFS | -79.3 dBFS | -82 dBFS (higher dynamic range) | -78 dBFS | -79.3 dBFS |
| Input Channels | 1 differential | 1 differential | 1 differential | 1 differential | 1 differential |
| Temperature Grade | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) |
| Shipping Variant | Tape & Reel (+TD) | Tape & Reel (+TD) | Dry-pack (+D) | Tape & Reel (+TD) | Dry-pack (+D) |
Bảo phân biệt quan trọng
- Mid-tier sample rate in the MAX141x pin-compatible family (vsMAX1418ETN+TD)
- Lower sample rate but higher dynamic range variant available (vsMAX1428ETN+D)
- Tape-and-Reel packaging variant (vsMAX1419ETN+D)
Ghi chú thiết kế
The 56-WFQFN exposed-pad package dissipates heat primarily via the underside pad. Tie the exposed pad to a solid ground copper pour with at least 16 thermal vias to the inner ground plane. Estimated: at 65 Msps with 3.3V analog supply, the ADC draws approximately 200 mA, dissipating 0.66 W; the WFQFN-56 with proper copper pour keeps junction rise under 25 C above ambient. Avoid cutting the ground pour beneath the exposed pad.
Route analog inputs as a 100-ohm differential pair with continuous ground reference underneath to maintain the 15-bit SNR budget. Keep digital output traces short and length-matched within the FPGA byte lane to avoid setup/hold violations on the parallel CMOS bus. Decouple AVDD with a 10 uF bulk plus 0.1 uF and 10 nF ceramic network placed within 5 mm of the supply pins.
Source the sample clock from a dedicated low-jitter oscillator or clock-cleaning PLL; clock jitter above 1 ps RMS will erode SNR near full-scale input. Estimated: at 30 MHz IF, 1 ps RMS jitter consumes approximately 1.2 dB of the 78 dB theoretical SNR ceiling. Keep clock traces 50-ohm controlled-impedance and isolated from analog input paths.
Do not assume the MAX1418, MAX1419, MAX1428, and MAX1430 are interchangeable despite shared 56-WFQFN footprints. Sample rates differ (40 / 65 / 40 / 80 Msps) and the digital interface timing requires re-validation when migrating. The '+TD' suffix indicates Tape-and-Reel packaging; '+D' indicates dry-pack. Confirm reel orientation matches the pick-and-place tooling.
Thông tin tuân thủ
RoHS compliance per Maxim Integrated product page; AEC-Q100 not applicable since this is a converter IC, not an automotive-grade part explicitly qualified to AEC-Q100.
