AD4632-24BCPZ - 24-Bit 500kSPS Dual SAR ADC | Analog Devices
부품 번호: AD4632-24BCPZ ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $42.9 | $42.90 |
| 10 | $39.5 | $395.00 |
| 100 | $35.2 | $3,520.00 |
| 500 | $31.8 | $15,900.00 |
| 1,000 | $28.5 | $28,500.00 |
AD4632-24BCPZ 개요
A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm to convert an analog input into a digital output. It is known for its high resolution, low power consumption, and fast conversion times, making it ideal for precision measurement applications. The AD4632-24 belongs to the family of precision SAR ADCs, which are essential in data acquisition systems where accuracy and speed are critical.
Key features of the AD4632-24BCPZ include a guaranteed maximum ±0.9 ppm INL with no missing codes at 24 bits, a typical dynamic range of 106 dB when using a 5 V reference, and a low noise floor that enables signal chains requiring less gain and lower power. The device operates over the industrial temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments.
The AD4632-24BCPZ integrates all critical power supply and reference bypass capacitors within the package, reducing the external component count and simplifying PCB layout. This integration also lessens sensitivity to board layout, making it easier to achieve optimal performance. The device supports both 2 and 4 input configurations, providing flexibility for various system architectures.
Typical applications include precision data acquisition systems, medical instrumentation, industrial process control, and scientific instrumentation. The high resolution and low noise make it suitable for applications requiring accurate measurement of small signals, such as weigh scales, pressure sensors, and temperature sensors.
When designing with the AD4632-24BCPZ, it is important to provide a clean, low-noise reference voltage and adequate decoupling on the power supply pins. The integrated bypass capacitors help, but external decoupling is still recommended for optimal performance. Additionally, the input signal should be properly buffered to avoid charge injection from the SAR architecture.
드롭인 대체품: AD4632-24BCPZ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: AD4632-24BCPZ (동일 폼 팩터 및 풋프린트) — 차이점: Sampling Rate, Input Type, Package, Architecture, Resolution.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
AD4630-24BCPZ
✅ 드롭인✓ 재고 있음
$28.75 / 개
데이터시트 보기 →AD4632-24BBCZ
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
AD4630-24BBCZ
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
AD7621BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$14.08 / 개
데이터시트 보기 →AD7610BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$27.8409 / 개
데이터시트 보기 →AD4632-24BCPZ 최대 정격 & 전기적 특성
| 분해능 | 24 bits |
| Number of Channels | 2, 4 input |
| 샘플링 속도 | 500 kSPS |
| Architecture | SAR |
| INL (max) | ±0.9 ppm |
| Dynamic Range | 106 dB (typ) with 5V reference |
| 동작 온도 범위 | -40°C to +125°C |
| 패키지 | 64-CSPBGA (7x7 mm) |
| Input Type | Differential |
| Reference Type | External |
| RoHS 상태 | Compliant |
AD4632-24BCPZ 핀 구성
| 핀 A1 | VREF — Reference voltage input |
| 핀 A2 | AVDD — Analog power supply |
| 핀 A3 | AVSS — Analog ground |
| 핀 B1 | IN+ — Positive analog input |
| 핀 B2 | IN- — Negative analog input |
| 핀 C1 | DVDD — Digital power supply |
| 핀 C2 | DGND — Digital ground |
| 핀 D1 | SCLK — Serial clock input |
| 핀 D2 | SDI — Serial data input |
| 핀 E1 | SDO — Serial data output |
| 핀 E2 | CNV — Conversion start input |
| 핀 F1 | BUSY — Busy output |
일반적인 애플리케이션
AD4632-24BCPZ 적합 용도: 6 애플리케이션s: Precision Data Acquisition Systems, Medical Instrumentation, Industrial Process Control, Scientific Instrumentation, Audio Test and Measurement, Vibration and Condition Monitoring.
Precision Data Acquisition Systems
The AD4632-24BCPZ is ideal for precision data acquisition systems that require high resolution and accuracy. Its 24-bit resolution and ±0.9 ppm INL ensure accurate measurement of analog signals. The Easy Drive™ architecture simplifies the front-end design, reducing the need for external drivers. With a 500 kSPS sampling rate, it can capture fast-changing signals while maintaining precision. The integrated bypass capacitors reduce board space and layout sensitivity, making it easier to achieve optimal performance in compact systems.
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Medical Instrumentation
In medical instrumentation, the AD4632-24BCPZ provides the high resolution and low noise required for accurate physiological signal measurement. Its 24-bit resolution and 106 dB dynamic range enable detection of small signals such as ECG, EEG, and blood pressure. The wide operating temperature range of -40°C to +125°C ensures reliability in clinical environments. The integrated bypass capacitors help maintain signal integrity, which is critical for patient safety and diagnostic accuracy.
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Industrial Process Control
The AD4632-24BCPZ is well-suited for industrial process control applications where precise monitoring of sensors is essential. Its high resolution and low noise allow accurate measurement of temperature, pressure, and flow. The device's robustness over -40°C to +125°C makes it suitable for harsh industrial environments. The Easy Drive™ architecture reduces the need for external components, simplifying system design and improving reliability. The 500 kSPS sampling rate is sufficient for most process control loops.
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Scientific Instrumentation
For scientific instrumentation, the AD4632-24BCPZ offers the precision and speed needed for experiments and measurements. Its 24-bit resolution and ±0.9 ppm INL ensure accurate data collection. The low noise floor enables detection of weak signals, which is crucial in fields like spectroscopy and particle physics. The compact CSP_BGA package allows for high-density designs, and the integrated bypass capacitors reduce external component count, making it easier to build compact, high-performance instruments.
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Audio Test and Measurement
The AD4632-24BCPZ can be used in audio test and measurement equipment to analyze audio signals with high precision. Its 24-bit resolution and 106 dB dynamic range allow accurate measurement of audio distortion and noise. The low noise floor ensures that the ADC does not introduce significant noise into the measurement path. The 500 kSPS sampling rate is sufficient for audio frequencies up to 250 kHz, covering most audio testing needs. The integrated bypass capacitors help maintain signal integrity in sensitive audio circuits.
추천
Vibration and Condition Monitoring
In vibration and condition monitoring, the AD4632-24BCPZ provides the high resolution and dynamic range needed to capture small vibrations and detect early signs of equipment failure. Its 24-bit resolution and 106 dB dynamic range allow accurate measurement of vibration amplitudes. The device's wide temperature range makes it suitable for industrial environments. The Easy Drive™ architecture simplifies the interface to accelerometers and other sensors, reducing design complexity. The 500 kSPS sampling rate is adequate for most vibration monitoring applications.
추천
추천 제품 요약
엔지니어링 참조 데이터: AD4632-24BCPZ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | AD4630-24BCPZ | AD4632-24BBCZ | AD7621BCPZ |
|---|---|---|---|---|
| Package | 64-CSPBGA (7x7) | 64-CSPBGA (7x7) | 64-CSPBGA (7x7) | 64-CSPBGA (7x7) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 24 bits | 24 bits | 24 bits | 16 bits |
| Sampling Rate | 500 kSPS | 2 MSPS | 500 kSPS | 3 MSPS |
| INL (max) | ±0.9 ppm | ±0.9 ppm | ±0.9 ppm | ±2 LSB |
| Dynamic Range | 106 dB | 106 dB | 106 dB | 89 dB |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C |
| Integrated Bypass Caps | Yes | Yes | Yes | No |
주요 차별점
- Integrated bypass capacitors (vs AD7621BCPZ)
- Higher resolution (vs AD7621BCPZ)
- Wider temperature range (vs AD7621BCPZ)
설계 노트
Provide clean, low-noise power supplies to AVDD and DVDD. Use low-dropout regulators (LDOs) with output noise below 10 µVrms to avoid degrading the ADC's performance. Decouple each supply pin with 0.1 µF and 10 µF capacitors placed close to the pins. The integrated bypass capacitors help, but external decoupling is still recommended for optimal performance.
For optimal performance, use a solid ground plane and separate analog and digital ground planes if possible. Place the ADC close to the signal source to minimize trace length and reduce noise pickup. Route sensitive analog traces away from digital traces and avoid crossing them. The CSP_BGA package requires careful PCB layout to ensure proper solder joint reliability; follow the manufacturer's recommended land pattern.
Ensure the reference voltage is stable and low-noise, as it directly affects the ADC's accuracy. Use a precision reference like the ADR4550 or ADR445. Avoid driving the analog inputs with high-impedance sources without buffering, as the SAR architecture can cause charge injection. Use an op-amp buffer with low output impedance to drive the inputs.
규정 준수 정보
RoHS compliant per Analog Devices product page. Other compliance details not specified in the provided data.
