MAX19526EXE+T - 12-Bit 8-Ch 40Msps ADC | Analog Devices
MPN： MAX19526EXE+T ✓ 啟用中MAX19526EXE+T 概覽
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.
直接替換替代品，適用於 MAX19526EXE+T — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MAX19526EXE+T （相同外形與佔位） — 差異在於 Architecture, Data Interface, Input Type, Mounting Type, Packaging.
MAX19526EXE+
✅ 直接替換聯絡詢價
查看資料表 →MAX19526EXE
✅ 直接替換📋 參考替代品（不在目錄中）
MAX19526EXE+T-ND
✅ 直接替換📋 參考替代品（不在目錄中）
MAX19526EXE+T 最大額定值與電氣特性
| 解析度 | 12 bit |
| Number of Channels | 8 |
| 取樣率 | 40 Msps |
| Data Interface | Serial LVDS |
| 封裝 | 144-ball TFBGA |
| 安裝類型 | Surface Mount |
| Packaging | Tape & Reel (TR) |
| 濕度敏感等級 (MSL) | 1 (Unlimited) |
| 工作溫度 | -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 狀態 | Compliant |
| Base Part Number | MAX19526 |
MAX19526EXE+T 144-ball tfbga 腳位配置指南
MAX19526EXE+T（144-ball tfbga 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： MAX19526EXE+T.
請參閱 資料表 以查看完整腳位配置。
典型應用
MAX19526EXE+T 適用於 6 應用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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 MAX19526EXE+T — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- 8 simultaneous-sampling channels in a single 144-ball TFBGA (對比Discrete single-channel 12-bit 40 Msps ADCs)
- Ultra-low per-channel power for a 40 Msps pipeline ADC (對比Higher-power 12-bit 40 Msps ADCs)
- Serial LVDS output instead of parallel CMOS (對比Parallel-CMOS 12-bit ADC of similar speed)
設計說明
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.
合規資訊
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.
