MAX1430ETN+D - 15-Bit 100Msps IF ADC, 56-TQFN | Maxim Integrated
料号： MAX1430ETN+D ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $36.5 | $36.50 |
| 10 | $32.85 | $328.50 |
| 100 | $29.2 | $2,920.00 |
| 500 | $26.45 | $13,225.00 |
| 1,000 | $23.8 | $23,800.00 |
MAX1430ETN+D 概述
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples a continuous-time analog waveform and quantizes each instantaneous voltage into a binary codeword. High-speed pipeline ADCs such as the MAX1430 series place 10-15 low-resolution pipeline stages in cascade with digital error-correction logic, achieving sampling frequencies of 50-250 Msps while keeping per-sample latency short. The MAX1430 family sits in the signal chain between an IF downconverter (mixer, IF filter, AGC amplifier) and a baseband DSP or FPGA that performs demodulation.
Key specifications include 100 Msps maximum conversion rate, 15-bit resolution, 2.2 VP-P differential full-scale input range, -76.8 dBFS noise floor, 350 MHz full-power input bandwidth, on-chip track-and-hold, and a CMOS-compatible digital output interface. The 56-lead TQFN package exposes a thermal pad for low-impedance ground and heat sinking, essential for continuous 100 Msps operation.
The device uses a pipelined architecture with digital error correction, supporting IF sampling frequencies from 0 to 350 MHz. Internal reference and bias networks simplify external circuitry, and the digital outputs are organized for direct interfacing to ASIC/DSP chips in communications systems.
Typical applications include cellular base-station receivers, broadband cable downstream receivers, test and measurement instrumentation, radar IF digitizers, and software-defined radio (SDR) platforms that demand wide analog bandwidth and high dynamic range at the IF stage.
When designing with this part, place the 56-pin TQFN on a continuous ground plane with the exposed thermal pad soldered to 16 or more thermal vias. Decouple AVDD and DVDD separately with 0.1uF plus 10uF ceramic capacitors placed within 3 mm of each supply pin, and treat the analog and digital ground returns as separate nets that join only at the ADC.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical layout guidance beyond the manufacturer datasheet.
直接替换替代料： MAX1430ETN+D ——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： MAX1430ETN+D （相同外形与封装尺寸） ——差异在于 Noise Floor, Terminal Form, Architecture, Full-Scale Input Range, Package.
快速对比工具——选择替代料号进行并排对比：
MAX1430ETN+D
✅ 直接替换✓ 有现货
$23.8 / 个
查看数据手册 →MAX1428ETN+TD
✅ 直接替换✓ 有现货
$10.4 / 个
查看数据手册 →MAX1428ETN-D
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MAX1430ETN+D 最大额定值与电气特性
| 分辨率 | 15 bit |
| 采样率 | 100 Msps (max) |
| Number of Channels | 1 |
| Architecture | Pipelined |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 3 V |
| Input Type | Differential |
| Full-Scale Input Range | 2.2 VP-P |
| Noise Floor | -76.8 dBFS |
| Full-Power Input Bandwidth | 350 MHz (-1 dB) |
| Data Output Format | Parallel CMOS |
| 封装 | 56-TQFN (8x8 mm) with exposed pad |
| 工作温度 | -40C to +85C (industrial) |
| Temperature Grade | Industrial |
| Terminal Form | No Lead (HVQCCN / TQFN) |
| 引脚数量 | 56 |
| RoHS 状态 | Compliant |
MAX1430ETN+D 56-tqfn (8x8 mm) with exposed pad 引脚配置指南
MAX1430ETN+D（56-tqfn (8x8 mm) with exposed pad 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： MAX1430ETN+D.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MAX1430ETN+D 适用于 6 应用s: Cellular Base-Station IF Receiver, Broadband Cable Downstream Receiver, Test & Measurement Instrumentation, Radar IF Digitizer, Software-Defined Radio (SDR) Platform, Medical Imaging Receiver.
Cellular Base-Station IF Receiver
The MAX1430ETN+D digitizes the intermediate frequency (IF) output of a cellular base-station receiver, where its 100 Msps sampling rate and 350 MHz full-power analog bandwidth allow direct IF sampling without an additional downconversion stage. With a -76.8 dBFS noise floor at 100 Msps, the part resolves small WCDMA/LTE subcarriers in the presence of large blocker signals at the antenna input. Place the part between the IF SAW filter and the baseband DSP/FPGA that performs channelization and demodulation; use 0.1uF plus 10uF ceramic decoupling on each AVDD/DVDD pin and a continuous ground plane tied to the exposed thermal pad.
推荐
Broadband Cable Downstream Receiver
The MAX1430ETN+D samples downstream QAM carriers in a cable-modem headend or set-top box at IF frequencies up to 350 MHz. Its 15-bit resolution gives roughly 76 dB of spurious-free dynamic range (SFDR), which is sufficient to resolve 256-QAM constellations in dense cable plants. According to the Maxim datasheet, the differential 2.2 VP-P full-scale input range matches typical cable IF AGC outputs directly without external attenuation, simplifying the front-end while keeping the noise floor at -76.8 dBFS for clean symbol-error-rate performance.
推荐
Test & Measurement Instrumentation
The MAX1430ETN+D serves as the acquisition ADC in wide-bandwidth oscilloscopes, spectrum analyzers, and synthetic-instrument platforms where 100 Msps sampling and 350 MHz analog bandwidth are needed to capture transient and modulated signals. The 56-TQFN package exposes a thermal pad that conducts heat directly to the instrument chassis ground, supporting continuous 100 Msps operation without derating. Pair the MAX1430 with an external low-jitter clock and a low-phase-noise PLL such as the MAX9471 to meet stringent spurious and SFDR specifications required by lab-grade equipment.
推荐
Radar IF Digitizer
The MAX1430ETN+D digitizes the IF output of pulsed-Doppler and FMCW radar receivers operating at IF frequencies up to 350 MHz, where its 100 Msps rate supports pulse-to-pulse phase extraction and Doppler-bin FFT processing. With a -76.8 dBFS noise floor, the ADC provides the dynamic range required to detect small returns near large clutter returns, a key requirement for airborne and ground-surveillance radar. The 56-TQFN exposed pad maintains junction temperature within industrial limits under continuous-wave radar duty cycles.
推荐
Software-Defined Radio (SDR) Platform
The MAX1430ETN+D is well suited to software-defined radio receivers that digitize the IF output of a low-IF or zero-IF front-end and route the data stream to an FPGA for demodulation. Its 100 Msps sampling rate and 350 MHz analog bandwidth allow a single ADC to cover cellular, ISM, and public-safety bands without retuning the analog stages. According to the Maxim datasheet, the parallel CMOS output interface drives most modern FPGAs directly without external logic, simplifying the FPGA firmware timing closure.
推荐
Medical Imaging Receiver
The MAX1430ETN+D digitizes the IF signal in ultrasound and MRI receiver front-ends, where its 15-bit dynamic range and 350 MHz analog bandwidth support multi-channel beamforming. The -76.8 dBFS noise floor preserves the small echo returns critical to diagnostic image quality. Pair the ADC with an anti-aliasing IF filter and a low-noise front-end LNA; route the digital output to an FPGA or DSP that performs channel summation and image reconstruction.
推荐
推荐产品汇总
工程参考数据： MAX1430ETN+D ——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 | MAX1430ETN+D | MAX1428ETN+TD | MAX1428ETN-D |
|---|---|---|---|---|
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Package | 56-TQFN (8x8) | 56-TQFN (8x8) - same | 56-TQFN (8x8) - same | 56-TQFN (8x8) - same |
| Resolution | 15 bit | 15 bit | 12 bit | 12 bit |
| Sampling Rate | 100 Msps | 100 Msps | 100 Msps | 100 Msps |
| Analog Supply | 5 V | 5 V | 5 V | 5 V |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined |
关键差异点
- 15-bit resolution with -76.8 dBFS noise floor at 100 Msps （对比 MAX1428ETN+TD)
- 350 MHz full-power analog input bandwidth （对比 MAX1428ETN+TD)
- Same-package upgrade path within MAX14xx family （对比 MAX1428ETN-D)
设计说明
Decouple AVDD (5 V analog) and DVDD (3 V digital) independently. Place a 0.1 uF X7R ceramic plus a 10 uF tantalum or ceramic within 3 mm of each supply pin. Star-route AVDD and DVDD returns to a single point at the ADC exposed pad to prevent digital switching current from corrupting the analog front-end reference. According to the Maxim datasheet, AVDD current at 100 Msps is approximately 200 mA and DVDD current is approximately 30 mA, so the regulator headroom and PCB trace widths must be sized accordingly.
Solder the exposed thermal pad of the 56-TQFN package to a continuous ground plane using at least 16 thermal vias arranged in a 4x4 grid under the pad. This provides the low-inductance ground return required by the differential input and reduces junction temperature by 11-12 C/W. Keep the analog input traces short and length-matched; route the digital output bus away from the analog input to avoid digital coupling into the front-end.
Drive the MAX1430ETN+D clock input with a low-jitter, fast-edge CMOS source. According to the Maxim datasheet, aperture jitter directly degrades SNR at high IF frequencies; for a 100 Msps sample clock with 200 fs RMS jitter, SNR is limited to approximately 73 dB. Use a dedicated clock generator such as the MAX9471 and avoid distributing the sample clock through long traces or shared buffers.
Do not operate the MAX1430ETN+D without the exposed thermal pad soldered; the part will overheat and shut down at continuous 100 Msps sampling. Verify the input common-mode voltage is within the AVDD/2 +/- 0.5 V range specified in the datasheet, or SNR will degrade rapidly. Place the input anti-aliasing filter immediately adjacent to the analog input pins to limit wide-band noise folding into the baseband.
合规信息
RoHS and REACH compliance per Maxim Integrated product page. Halogen-free status not explicitly stated in the available web data; rated industrial temperature grade -40C to +85C. Not AEC-Q100 qualified.
