MAX19526EXE+T - 12-Bit 8-Ch 40Msps ADC | Analog Devices
料号： MAX19526EXE+T ✓ 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 | $28.4 | $14,200.00 |
| 1,000 | $25.1 | $25,100.00 |
MAX19526EXE+T 概述
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that quantizes a continuous analog input voltage into a discrete digital codeword. The MAX19526 belongs to the pipeline-ADC sub-category of Nyquist-rate data converters, itself a branch of data acquisition ICs in the broader mixed-signal/power management hierarchy. Pipeline ADCs trade slightly higher power for high sample rates and excellent dynamic range, making them the standard architecture for medical imaging, communications baseband, and instrumentation front-ends.
Key features include 12-bit resolution, 40 Msps sampling per channel, simultaneous sampling across all 8 channels without an external T/H, integrated input T/H amplifiers with adjustable input range, a low-jitter LVDS serial data interface that reduces pin count on the host board, and per-channel gain and offset calibration. The MAX19526EXE+T is specified over the -40 °C to +85 °C extended industrial temperature range, meeting the requirements of bedside medical imaging equipment and outdoor industrial instrumentation.
The device uses a switched-capacitor pipeline core preceded by an input buffer and track-and-hold, followed by a digital error-correction block. An internal reference simplifies the analog supply chain; designers may bypass it to use an external low-noise reference for the highest absolute-accuracy applications. The serial LVDS output reduces board-routing complexity and EMI compared to parallel CMOS ADCs in the same class.
Typical applications include multichannel medical ultrasound receivers, phased-array beamforming front-ends, industrial vibration and acoustic analysis, and multi-channel data-acquisition cards for test and measurement. The low power budget allows portable cart-based ultrasound designs to operate from battery packs with active cooling, while the LVDS interface simplifies connection to FPGAs such as Xilinx Spartan-6 or Altera Cyclone IV.
When designing with the MAX19526EXE+T, decouple AVDD and DVDD rails separately with 0.1 µF ceramic capacitors placed within 5 mm of each supply pin, and provide a solid ground plane under the TFBGA footprint to control the LVDS return currents. Designers should also confirm that the FPGA clock-data-recovery block can tolerate the inter-channel skew budget the ADC introduces when all eight channels are sampled simultaneously.
直接替换替代料： MAX19526EXE+T ——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： MAX19526EXE+T （相同外形与封装尺寸） ——差异在于 Architecture, Data Interface, Input Type, Mounting Type, Packaging.
快速对比工具——选择替代料号进行并排对比：
MAX19526EXE+
✅ 直接替换✓ 有现货
$43.2 / 个
查看数据手册 →MAX19526EXE
✅ 直接替换📋 参考替代料（不在目录中）
MAX19526EXE+T-ND
✅ 直接替换📋 参考替代料（不在目录中）
MAX19526EXE+T 最大额定值与电气特性
| 分辨率 | 12 bit |
| Number of Channels | 8 |
| 采样率 | 40 Msps |
| Data Interface | Serial LVDS |
| 封装 | 144-ball TFBGA |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel (TR) |
| 湿敏等级（MSL） | 1 (Unlimited) |
| 工作温度 | -40 °C to +85 °C |
| Architecture | Pipeline |
| Sampling Mode | Simultaneous sampling across 8 channels |
| Input Type | Differential, with integrated T/H |
| Reference | Internal or external |
| RoHS 状态 | Compliant |
| Base Part Number | MAX19526 |
MAX19526EXE+T 144-ball tfbga 引脚配置指南
MAX19526EXE+T（144-ball tfbga 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： MAX19526EXE+T.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MAX19526EXE+T 适用于 6 应用s: Multichannel Medical Ultrasound Receivers, Phased-Array Beamforming Front-Ends, Industrial Vibration and Acoustic Analysis, High-Channel-Count Data Acquisition Cards, Communications Baseband Receivers, Multi-Channel Sensor Signal Conditioning.
Multichannel Medical Ultrasound Receivers
The MAX19526EXE+T's 8 simultaneously-sampling 12-bit channels at 40 Msps and integrated T/H amplifiers make it an excellent front-end for cart-based and handheld ultrasound systems. In a typical 64-element probe, eight MAX19526EXE+T devices replace sixteen discrete ADC channels plus external T/H, reducing PCB area by roughly 5x and inter-channel skew to the picosecond level required for coherent beamforming. The serial LVDS output minimizes EMI inside the probe handle, where switching noise would otherwise couple into the receive signal chain. Designers pair the ADC with a Xilinx Spartan-6 or Altera Cyclone IV FPGA for the beamformer DSP and supply the AVDD rail with a low-noise LDO such as the MAX19526's companion power solution. Per the Analog Devices product page, this is the device's flagship use case.
推荐
Phased-Array Beamforming Front-Ends
Phased-array radar, sonar, and ultrasound systems require tightly synchronized ADC channels to form accurate beams. The MAX19526EXE+T samples all 8 inputs on the same clock edge, eliminating the inter-channel timing mismatch that would otherwise distort the beam pattern. Its 40 Msps per channel rate supports IF bandwidths up to 20 MHz, sufficient for narrow-band radar and acoustic imaging applications. The 144-ball TFBGA footprint allows dense placement close to the antenna elements, keeping analog trace lengths short. According to the MAX19526 datasheet, the LVDS serial interface reduces the digital pin count from ~96 (parallel CMOS) to roughly 12 differential pairs, simplifying PCB routing through the array housing.
推荐
Industrial Vibration and Acoustic Analysis
Multi-axis vibration monitoring and acoustic-emission testing demand simultaneous sampling of 8 or more channels to capture transient events without aliasing. The MAX19526EXE+T's 8 channels at 40 Msps provide 320 megasamples per second of aggregate throughput, enough to digitize accelerometer outputs across a wide frequency band with sub-microsecond channel-to-channel skew. The -40 °C to +85 °C operating range covers outdoor machinery enclosures and factory floors. Designers commonly pair the ADC with industrial-grade FPGAs and stream the LVDS data over fiber or copper to a central analyzer. Per the analog.com MAX19526 product page, this is a primary industrial use case alongside medical imaging.
推荐
High-Channel-Count Data Acquisition Cards
Test and measurement data acquisition cards built around the MAX19526EXE+T can pack up to 64 channels into a single PXI or PCIe slot by cascading eight MAX19526EXE+T devices per card. The 12-bit resolution and 40 Msps per channel suit sonar-recording, sonar-research, and high-speed digitizer applications where channel count dominates cost. The serial LVDS output simplifies the backplane connector pin count, and the integrated per-channel calibration eliminates the need for manual gain trim. According to the manufacturer datasheet on analog.com, designers should plan 0.1 µF ceramic decoupling on every AVDD pin and a continuous ground plane under the TFBGA footprint.
推荐
Communications Baseband Receivers
Multi-antenna baseband receivers for small-cell and distributed-radio systems need compact, low-power ADCs with high channel density. The MAX19526EXE+T's 8 channels at 40 Msps cover the immediate IF bandwidth of LTE, 5G NR, and proprietary narrow-band waveforms, while the serial LVDS interface eases the routing bottleneck to a baseband FPGA or SoC. The low per-channel power is critical for tower-mounted and weatherized radio heads. Per the Analog Devices MAX19526 product page, the device is also commonly used in software-defined radio (SDR) prototypes where 8 coherent channels are needed for direction finding or MIMO research.
推荐
Multi-Channel Sensor Signal Conditioning
Industrial sensor systems that aggregate many piezoelectric, strain-gauge, or photo-detector channels benefit from the MAX19526EXE+T's simultaneous sampling and integrated T/H. Eight differential input channels let the designer digitize a full Wheatstone-bridge array or a multi-photodiode spectroscopy head without external conditioning amplifiers. The -40 °C to +85 °C temperature grade supports outdoor and process-control environments. Per the MAX19526 datasheet, the internal reference can be replaced with an external low-noise reference to push absolute accuracy for precision metrology applications such as chromatograph or mass-spec detectors.
推荐
推荐产品汇总
工程参考数据： MAX19526EXE+T ——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 | MAX19526EXE+ | MAX19526EXE | MAX19526EXE+T-ND |
|---|---|---|---|---|
| Brand | Analog Devices (formerly Maxim Integrated) | Analog Devices (formerly Maxim Integrated) | Analog Devices (formerly Maxim Integrated) | Analog Devices (formerly Maxim Integrated) |
| Package | 144-ball TFBGA | 144-ball TFBGA (same) | 144-ball TFBGA (same) | 144-ball TFBGA (same) |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit |
| Number of Channels | 8 | 8 | 8 | 8 |
| Sampling Rate | 40 Msps | 40 Msps | 40 Msps | 40 Msps |
| Data Interface | Serial LVDS | Serial LVDS | Serial LVDS | Serial LVDS |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Packaging (Shipping Carrier) | Tape & Reel (TR) | Tube | Tray | Tape & Reel (DigiKey cut) |
| MSL Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant |
关键差异点
- 8 simultaneous-sampling channels in a single 144-ball TFBGA （对比 Discrete single-channel 12-bit 40 Msps ADCs)
- Ultra-low per-channel power for a 40 Msps pipeline ADC （对比 Higher-power 12-bit 40 Msps ADCs)
- Serial LVDS output instead of parallel CMOS （对比 Parallel-CMOS 12-bit ADC of similar speed)
设计说明
Decouple AVDD and DVDD rails separately with 0.1 µF ceramic capacitors placed within 5 mm of each supply pin. According to the MAX19526 datasheet on analog.com, the device draws clean analog current; a low-noise LDO upstream of AVDD (such as a member of the MAX19526EXE+T reference power tree) suppresses switching-noise injection from any upstream DC-DC converter. Use a star-ground topology with the AGND/DGND separation at the ADC ground pin.
The 144-ball TFBGA package requires a continuous ground plane on the layer directly beneath the BGA to control LVDS return currents and reduce crosstalk between the eight analog input channels. Place input traces on the top side with matched lengths within each channel pair to preserve the simultaneous-sampling timing budget, and route the LVDS pairs as tightly coupled 100 Ω differential traces. Per the manufacturer pinout diagram on analog.com, AVDD balls are distributed around the perimeter for symmetric decoupling access.
Drive the ADC clock with a low-jitter (< 1 ps RMS) differential source to meet the SNR spec at 40 Msps; any clock jitter directly converts to aperture uncertainty and degrades SNR by 20·log10(2π·fin·tjitter). According to the MAX19526 datasheet on analog.com, the LVDS serial output introduces a deterministic inter-channel skew that must be calibrated out in the receiving FPGA IDDR/ISERDES block to preserve coherent beamforming.
Do not use the internal reference in high-accuracy metrology applications - drift over temperature will exceed the budget. Per the MAX19526 datasheet, an external low-noise reference such as the MAX6126 is recommended for absolute-accuracy uses. Also confirm that the host FPGA supports the MAX19526EXE+T's LVDS data-rate and DDR clocking scheme before layout; older FPGAs may not have the required ISERDES width.
合规信息
RoHS and lead-free status per the manufacturer product page. Halogen-free status not explicitly stated in the verified web data. The MAX19526EXE+T is a commercial/industrial part and is not AEC-Q100 qualified for automotive use.
