MAX1419ETN+TD - 15-Bit 65Msps ADC -79.3dBFS | Analog Devices
料号： MAX1419ETN+TD ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $35.2 | $352.00 |
| 100 | $31.8 | $3,180.00 |
| 500 | $28.5 | $14,250.00 |
| 1,000 | $25.4 | $25,400.00 |
MAX1419ETN+TD 概述
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.
直接替换替代料： MAX1419ETN+TD ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MAX1419ETN+TD （相同外形与封装尺寸） ——差异在于 Noise Floor, Number of Channels, Operating Temperature Range, Terminal Form.
快速对比工具——选择替代料号进行并排对比：
MAX1418ETN+TD
✅ 直接替换📋 参考替代料（不在目录中）
MAX1428ETN+D
✅ 直接替换📋 参考替代料（不在目录中）
MAX1430ETN+TD
✅ 直接替换📋 参考替代料（不在目录中）
MAX1419ETN+D
✅ 直接替换✓ 有现货
$25.4 / 个
查看数据手册 →MAX1419ETN+TD 最大额定值与电气特性
| 分辨率 | 15 bit |
| Sample Rate | 65 Msps |
| Noise Floor | -79.3 dBFS |
| Number of Channels | 1 differential |
| Package Type | 56-WFQFN Exposed Pad (HVQCCN) |
| 引脚数量 | 56 |
| Terminal Form | NO LEAD |
| Package Shape | SQUARE |
| Temperature Grade | INDUSTRIAL |
| 工作温度范围 | -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 |
| RoHS 状态 | Compliant |
| 安装类型 | Surface Mount |
MAX1419ETN+TD square 引脚配置指南
MAX1419ETN+TD（square 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： MAX1419ETN+TD.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MAX1419ETN+TD 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： MAX1419ETN+TD ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Mid-tier sample rate in the MAX141x pin-compatible family （对比 MAX1418ETN+TD)
- Lower sample rate but higher dynamic range variant available （对比 MAX1428ETN+D)
- Tape-and-Reel packaging variant （对比 MAX1419ETN+D)
设计说明
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.
合规信息
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.
