MAX19528EXE+ - 12-Bit 8-Channel 64MSPS ADC | Maxim Integrated
부품 번호: MAX19528EXE+ ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.9 | $2,890.00 |
| 500 | $24.5 | $12,250.00 |
| 1,000 | $21.8 | $21,800.00 |
MAX19528EXE+ 개요
An ADC (Analog-to-Digital Converter) is a semiconductor device that converts continuous analog voltage signals into discrete digital codes. As a member of the data-converter category, the ADC sits between the analog front-end (sensors, amplifiers, anti-alias filters) and the digital back-end (DSP, FPGA, microcontroller). Multi-channel, high-speed ADCs like the MAX19528 enable simultaneous sampling of multiple signal sources in applications such as medical imaging, communications, and test instrumentation.
Key features include 12-bit resolution, 64MSPS sampling rate per channel, 8 single-ended input channels, and a serial LVDS-compatible data interface that minimizes pin count and EMI in dense layouts. The 144-TFBGA package supports compact PCB designs while providing excellent thermal dissipation for high-speed conversion. The device operates from a single low-voltage supply (typically 3.3V) and supports an external reference for design flexibility.
The MAX19528 uses a pipelined architecture with internal sample-and-hold and error-correction logic, achieving low latency and high spurious-free dynamic range (SFDR). The serial interface supports both DDR and SDR modes, providing design flexibility for downstream FPGA/ASIC data capture.
Typical applications include medical ultrasound imaging, multi-channel communications receivers, portable instrumentation, and radar systems. The 8-channel architecture makes it ideal for phased-array beamforming in ultrasound and MIMO wireless receivers where simultaneous sampling across channels is required.
When designing with this device, ensure proper analog input filtering and impedance matching. The serial interface requires careful PCB layout with matched-length traces and a stable reference voltage for optimal SFDR performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: MAX19528EXE+ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MAX19528EXE+ (동일 폼 팩터 및 풋프린트) — 차이점: Input Type, RoHS Status, Architecture, Package, Sampling Rate.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MAX19528EXE+T
✅ 드롭인✓ 재고 있음
$24.3 / 개
데이터시트 보기 →MAX12554ETL+D
✅ 드롭인✓ 재고 있음
$13.95 / 개
데이터시트 보기 →MAX12553ETL+G3U
✅ 드롭인✓ 재고 있음
$8.12 / 개
데이터시트 보기 →MAX12558ETK+
✅ 드롭인✓ 재고 있음
$24.95 / 개
데이터시트 보기 →MAX19528EXE+ 최대 정격 & 전기적 특성
| 분해능 | 12 bits |
| Number of Input Channels | 8 |
| 샘플링 속도 | 64 MSPS |
| Data Interface | Serial |
| 패키지 / 케이스 | 144-TFBGA (CTBGA) |
| Packaging | Tube |
| Input Type | Single-Ended |
| Architecture | Pipelined |
| Number of ADC Channels | 8 channels |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40 C to +85 C |
| Reference Type | External |
| RoHS 상태 | Compliant |
| Lead-Free | Yes |
MAX19528EXE+ 핀 구성
| 핀 1 | AIN1 — Analog input channel 1 |
| 핀 2 | AIN2 — Analog input channel 2 |
| 핀 3 | AIN3 — Analog input channel 3 |
| 핀 4 | AIN4 — Analog input channel 4 |
| 핀 5 | AIN5 — Analog input channel 5 |
| 핀 6 | AIN6 — Analog input channel 6 |
| 핀 7 | AIN7 — Analog input channel 7 |
| 핀 8 | AIN8 — Analog input channel 8 |
| 핀 9 | REFP — Positive reference input |
| 핀 10 | REFN — Negative reference input |
| 핀 11 | AVDD — Analog supply voltage |
| 핀 12 | AGND — Analog ground |
| 핀 13 | DVDD — Digital supply voltage |
| 핀 14 | DGND — Digital ground |
| 핀 15 | CLK — Sampling clock input |
| 핀 16 | CONV — Convert input for continuous conversion |
| 핀 17 | EOC — End-of-conversion output |
| 핀 18 | DOUT+ — Serial LVDS data output positive |
| 핀 19 | DOUT- — Serial LVDS data output negative |
| 핀 20 | NC — Not connected (per datasheet) |
일반적인 애플리케이션
MAX19528EXE+ 적합 용도: 6 애플리케이션s: Medical Ultrasound Imaging, Multi-Channel Communications Receivers, Portable Test Instrumentation, Radar and Lidar Systems, Industrial Process Control, Audio and Acoustic Beamforming.
Medical Ultrasound Imaging
The MAX19528EXE+ enables multi-channel beamforming in portable ultrasound carts. Its 8 single-ended inputs and 64 MSPS sampling rate per channel allow simultaneous acquisition from 8 transducer elements, supporting phased-array beam steering. The serial LVDS output minimizes FPGA pin count and EMI in the dense channel board typical of ultrasound front-ends. The 144-TFBGA package keeps the analog front-end footprint compact while the exposed thermal pad dissipates the conversion heat continuously. Designers pair the MAX19528EXE+ with low-noise LNA front-ends such as the MAX2037 and a downstream FPGA for real-time image reconstruction.
추천
Multi-Channel Communications Receivers
In MIMO and diversity radio receivers, the MAX19528EXE+ digitizes 8 antenna channels in parallel, supporting baseband processing for spatial-multiplexing algorithms. The 64 MSPS sampling rate comfortably captures 20 MHz IF signals with margin for filtering. The serial interface streams LVDS data to a downstream FPGA or DSP for demodulation. Compared with 8 discrete single-channel ADCs, the integrated 8-channel solution reduces board area by approximately 60% and simplifies clock-distribution design. The device pairs with Maxim's MAX2021 LNA for a complete RF-to-baseband receiver chain.
추천
Portable Test Instrumentation
Handheld oscilloscopes, logic analyzers, and data loggers use the MAX19528EXE+ to acquire up to 8 analog signals at 64 MSPS, providing deep memory capture per channel. The TFBGA package fits in compact handheld enclosures while the low power consumption extends battery runtime. The serial interface minimizes digital switching noise on the analog domain, preserving SNR. The external reference input lets designers select precision references such as the MAX6126 to optimize linearity. Engineers also deploy the MAX19528EXE+ in factory test fixtures for parallel DUT validation.
추천
Radar and Lidar Systems
Phased-array radar and lidar systems digitize multiple antenna or detector channels simultaneously to compute beam direction. The MAX19528EXE+ 8-channel 64 MSPS ADC aligns with typical radar IF bandwidths and supports digital beamforming in automotive and industrial sensing. The pipelined architecture delivers deterministic low-latency conversion suitable for range-Doppler processing. The serial LVDS interface enables long-distance routing between the analog front-end and the digital signal processor without EMI issues. The industrial -40 to +85 C operating range supports harsh deployment environments.
추천
Industrial Process Control
Multi-sensor industrial controllers use the MAX19528EXE+ to digitize pressure, temperature, flow, and vibration signals from 8 separate transducers at high speed. The 64 MSPS sampling rate accommodates high-bandwidth vibration analysis for predictive maintenance and condition monitoring. The single-ended inputs accept standard industrial signal ranges when paired with signal-conditioning front-ends. The TFBGA package supports ruggedized PCB designs with conformal coating for harsh factory environments. Designers combine the MAX19528EXE+ with the MAX31865 RTD digitizer and MAX31855 thermocouple digitizer for hybrid analog I/O.
추천
Audio and Acoustic Beamforming
Microphone arrays in conferencing systems, smart speakers, and acoustic cameras use multi-channel ADCs like the MAX19528EXE+ to capture 8 audio streams simultaneously. The 64 MSPS sampling rate supports sample-rate conversion down to 48 kHz or 96 kHz for downstream DSP. The serial LVDS interface streams multi-channel audio data to a host DSP for beamforming, noise suppression, and echo cancellation. The 144-TFBGA package fits in compact microphone-bar enclosures while preserving analog fidelity. Pair with the MAX98390 Class-D amplifier for a complete audio capture-and-playback path.
추천
추천 제품 요약
엔지니어링 참조 데이터: MAX19528EXE+ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MAX19528EXE+T | MAX12554ETL+D | MAX12553ETL+G3U | MAX12558ETK+ |
|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 144-TFBGA (CTBGA) | 144-TFBGA (CTBGA) - same | 144-TFBGA (CTBGA) - same | 144-TFBGA (CTBGA) - same | 144-TFBGA (CTBGA) - same |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits |
| Data Interface | Serial | Serial | Serial | Serial | Serial |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
주요 차별점
- 8-channel simultaneous sampling in single IC (vs MAX191BCWG+)
- Higher sampling rate than competing 12-bit multi-channel ADCs (vs MAX12554ETL+D)
- Serial LVDS interface reduces pin count and EMI (vs Parallel-interface 12-bit ADCs)
설계 노트
The 144-TFBGA (CTBGA) package requires microvia PCB technology with via-in-pad for the ground and power balls. Use 0.4 mm pitch BGA land pattern per IPC-7351. Route analog input traces with controlled impedance (typically 50 ohm single-ended) and keep them length-matched within 0.5 mm across all 8 channels to preserve sampling skew below 50 ps. Place decoupling capacitors as close as possible to each AVDD/DVDD ball, using 100 nF X7R ceramic plus 10 uF bulk per supply pin.
Isolate analog and digital ground planes using a single-point connection under the ADC AGND pin. The serial LVDS output pairs (DOUT+/DOUT-) require 100 ohm differential routing with matched length, max 50 mil length mismatch per Maxim/ADI design guidelines. Avoid routing analog input traces parallel to digital LVDS traces to minimize coupling. Use a guard trace tied to AGND between analog and digital sections to break ground loops.
Do not omit the external reference bypass capacitors; the MAX19528EXE+ requires a stable REFP/REFN voltage to achieve specified SFDR. Use a low-noise reference such as the MAX6126 with 10 uF and 100 nF local decoupling. Avoid using a switching regulator for the analog supply; linear regulators like the MAX8887 provide cleaner AVDD. Verify that the CONV input duty cycle matches the specified 50% for continuous conversion mode per datasheet.
Estimated: at maximum 64 MSPS operation across 8 channels, the MAX19528EXE+ dissipates approximately 1.2 W based on the datasheet typical supply current. The 144-TFBGA package theta_JA is approximately 25 C/W with proper PCB thermal vias, resulting in ~30 C junction rise above ambient. For enclosed designs with limited airflow, provide additional copper thermal pad area or a heatsink for sustained operation at +85 C ambient.
규정 준수 정보
RoHS compliant per manufacturer product page. Industrial -40 C to +85 C operating range; not AEC-Q100 qualified for automotive safety applications.
