AD4000BRUZ - 16-Bit 2MSPS SAR ADC | Analog Devices
부품 번호: AD4000BRUZ ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $12.99 | $12.99 |
| 10 | $11.95 | $119.50 |
| 100 | $10.5 | $1,050.00 |
| 500 | $9.2 | $4,600.00 |
| 1,000 | $8.1 | $8,100.00 |
AD4000BRUZ 개요
A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input signal into a digital output. It is known for its high speed, low power consumption, and excellent accuracy, making it ideal for applications such as data acquisition systems, industrial process control, and medical instrumentation. The AD4000 belongs to the PulSAR family of ADCs, which are renowned for their high precision and low noise performance.
Key features of the AD4000BRUZ include a 16-bit resolution with no missing codes, a maximum sampling rate of 2 MSPS, and a typical signal-to-noise ratio (SNR) of 94 dB. The device also offers a pseudo-differential input that rejects common-mode noise, and an integrated reference buffer that simplifies the external reference design. The SPI interface supports daisy-chaining and busy indicator, enabling easy integration with microcontrollers and DSPs.
The AD4000BRUZ uses a charge redistribution SAR architecture with a capacitive DAC, achieving excellent linearity and low power dissipation. The device includes a track-and-hold circuit that captures the input signal, and an internal clock that controls the conversion process. The pseudo-differential input allows the user to set the common-mode voltage, providing flexibility in various signal conditioning circuits.
Typical applications for the AD4000BRUZ include high-speed data acquisition systems, industrial automation, motor control, and medical imaging. Its high SNR and low distortion make it suitable for precision measurement and instrumentation. The device is also used in communication systems where high-speed, high-resolution conversion is required.
When designing with the AD4000BRUZ, it is important to provide a clean, low-noise power supply and a stable reference voltage. The input signal should be buffered with a low-noise amplifier to achieve optimal performance. Proper PCB layout, including short traces and adequate decoupling, is essential to minimize noise and ensure accurate conversion.
드롭인 대체품: AD4000BRUZ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: AD4000BRUZ (동일 폼 팩터 및 풋프린트) — 차이점: Resolution, Reference Voltage, Input Type, Package, Interface.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
AD4000BRMZ
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
AD4001BRUZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$6.6818 / 개
데이터시트 보기 →AD4008BRUZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$3.73 / 개
데이터시트 보기 →AD7980BRMZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$16.8636 / 개
데이터시트 보기 →MAX11166
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
AD4000BRUZ 최대 정격 & 전기적 특성
| 분해능 | 16 bits |
| 샘플링 속도 | 2 MSPS |
| Input Type | Pseudo-Differential |
| Architecture | SAR |
| Number of Inputs | 1 |
| SNR (Typical) | 94 dB |
| Supply Voltage (Analog) | 1.8 V |
| Supply Voltage (Digital) | 1.8 V |
| 인터페이스 | SPI |
| 패키지 | 10-MSOP |
| 동작 온도 범위 | -40°C to +125°C |
| Reference Type | External |
| Integrated Reference Buffer | Yes |
| Daisy-Chain Support | Yes |
| Busy Indicator | Yes |
AD4000BRUZ 핀 구성
| 핀 1 | IN+ — Positive analog input |
| 핀 2 | IN- — Negative analog input (pseudo-differential) |
| 핀 3 | REF — Reference voltage input |
| 핀 4 | GND — Ground |
| 핀 5 | VIO — Digital interface supply |
| 핀 6 | SDI — Serial data input (for daisy-chain) |
| 핀 7 | SCK — Serial clock input |
| 핀 8 | SDO — Serial data output |
| 핀 9 | CNV — Convert input (start conversion) |
| 핀 10 | VDD — Analog supply (1.8V) |
일반적인 애플리케이션
AD4000BRUZ 적합 용도: 6 애플리케이션s: High-Speed Data Acquisition, Industrial Automation, Medical Instrumentation, Motor Control, Communication Systems, Precision Measurement.
High-Speed Data Acquisition
The AD4000BRUZ's 2 MSPS sampling rate and 16-bit resolution make it ideal for high-speed data acquisition systems. Its pseudo-differential input rejects common-mode noise, ensuring accurate capture of fast-changing signals. The SPI interface with daisy-chain support simplifies multi-channel synchronization, while the 94 dB SNR preserves signal fidelity in industrial and test equipment.
추천
Industrial Automation
In industrial automation, the AD4000BRUZ provides precise analog-to-digital conversion for process control and monitoring. Its 16-bit resolution and 2 MSPS speed enable real-time feedback in motor control and robotics. The device operates over -40°C to +125°C, suitable for harsh environments. The integrated reference buffer reduces external component count, simplifying design in space-constrained PLC modules.
추천
Medical Instrumentation
The AD4000BRUZ is well-suited for medical imaging and patient monitoring due to its high SNR and low noise. The 94 dB SNR ensures accurate representation of biological signals, while the 2 MSPS sampling rate captures fast transients in ECG and ultrasound. The small 10-MSOP package is ideal for portable devices. Its low power consumption extends battery life in wearable monitors.
추천
Motor Control
The AD4000BRUZ enables high-resolution current and voltage sensing in motor control systems. Its 2 MSPS sampling rate allows precise monitoring of phase currents for field-oriented control. The pseudo-differential input rejects common-mode noise from motor drives, improving measurement accuracy. The SPI interface with busy indicator simplifies synchronization with microcontrollers, ensuring timely control loop updates.
추천
Communication Systems
In communication systems, the AD4000BRUZ digitizes IF signals with high linearity and speed. Its 16-bit resolution and 2 MSPS rate support software-defined radio and base station receivers. The device's low distortion and high SNR maintain signal integrity in dense spectral environments. The SPI interface allows easy integration with FPGAs and DSPs for digital down-conversion.
추천
Precision Measurement
The AD4000BRUZ excels in precision measurement applications such as weigh scales and strain gauge interfaces. Its 16-bit resolution and 94 dB SNR provide accurate readings with minimal noise. The pseudo-differential input allows direct connection to bridge sensors, rejecting common-mode interference. The integrated reference buffer simplifies the reference design, ensuring stable measurements over temperature.
추천
추천 제품 요약
엔지니어링 참조 데이터: AD4000BRUZ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | AD4000BRMZ | AD4001BRUZ | AD4008BRUZ | AD7980BRMZ | MAX11166 |
|---|---|---|---|---|---|---|
| Package | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated |
| Resolution | 16 bits | 16 bits | 16 bits | 16 bits | 16 bits | 16 bits |
| Sampling Rate | 2 MSPS | 2 MSPS | 1 MSPS | 500 kSPS | 1 MSPS | 2 MSPS |
| SNR (Typical) | 94 dB | 94 dB | 94 dB | 94 dB | 91 dB | 93 dB |
| Input Type | Pseudo-Differential | Pseudo-Differential | Pseudo-Differential | Pseudo-Differential | Pseudo-Differential | Pseudo-Differential |
| Interface | SPI | SPI | SPI | SPI | SPI | SPI |
| Supply Voltage | 1.8V | 1.8V | 1.8V | 1.8V | 2.5V | 1.8V |
주요 차별점
- Higher sampling rate than AD4001BRUZ (vs AD4001BRUZ)
- Higher SNR than AD7980BRMZ (vs AD7980BRMZ)
- Lower supply voltage than AD7980BRMZ (vs AD7980BRMZ)
설계 노트
Provide a clean 1.8V analog supply (VDD) and a separate digital interface supply (VIO) to minimize noise coupling. Use low-dropout regulators with low output noise, and place 100nF and 10uF decoupling capacitors close to the VDD and VIO pins. The AD4000BRUZ consumes low power, but proper decoupling is critical for achieving the specified 94 dB SNR.
For optimal performance, keep the analog input traces short and shielded from digital signals. Use a solid ground plane and avoid routing digital lines under the ADC. Place the reference decoupling capacitor (10uF) close to the REF pin. Follow the layout guidelines in the AD4000 datasheet (Rev. F) to minimize parasitic capacitance and maintain linearity.
Ensure the input signal is within the specified common-mode range and does not exceed the supply rails. Use a low-noise driver amplifier, such as the ADA4077-1, to buffer the input and provide sufficient settling time. Avoid driving the input with high-impedance sources, as this can degrade SNR. Also, verify the SPI timing requirements to prevent data corruption.
규정 준수 정보
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Halogen-free status not specified in provided data.
