AD4698BCPZ - 16-Bit 1 MSPS 8-Ch SAR ADC | Analog Devices
부품 번호: AD4698BCPZ ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $12.34 | $12.34 |
| 10 | $11.11 | $111.10 |
| 100 | $9.88 | $988.00 |
| 500 | $8.64 | $4,320.00 |
| 1,000 | $7.41 | $7,410.00 |
AD4698BCPZ 개요
A SAR ADC is a type of analog-to-digital converter that uses a successive approximation register to convert an analog input signal into a digital output. It operates by comparing the input voltage against a series of binary-weighted reference voltages, refining the approximation until the digital output matches the input within the converter's resolution. SAR ADCs are known for their high speed, low power consumption, and ease of use, making them a popular choice in data acquisition systems, industrial process control, and medical instrumentation.
Key features of the AD4698BCPZ include 16-bit resolution, 8 input channels, a maximum sampling rate of 1 MSPS, and an SPI interface. The device operates with an analog supply voltage of 3.15 V to 5.5 V, and features Easy Drive technology that simplifies the analog front-end design by reducing input drive requirements. The ADC also includes a high-speed serial interface, a reference input, and a temperature sensor, enabling comprehensive system monitoring.
The AD4698BCPZ is designed for high accuracy and low power, with a typical power consumption of mW at 1 MSPS. The device includes a 16-bit SAR core, an internal reference buffer, and a flexible digital interface that supports multiple operating modes. The Easy Drive feature reduces the input current and charge kickback, allowing direct connection to sensors without external buffers, which simplifies the design and reduces component count.
Typical applications include industrial process control, data acquisition systems, medical instrumentation, and battery-powered devices. The AD4698BCPZ is also suitable for multi-channel monitoring systems where high accuracy and low power are critical. Its small package and low power consumption make it ideal for portable and space-constrained designs.
When designing with the AD4698BCPZ, ensure that the analog input signal is within the specified input range and that the reference voltage is stable. The SPI interface should be configured for the desired sampling rate and data format. Proper decoupling of the power supply and reference pins is essential for achieving the specified performance.
드롭인 대체품: AD4698BCPZ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: AD4698BCPZ (동일 폼 팩터 및 풋프린트) — 차이점: Package, Supply Voltage, Input Type, Number of Channels, Sampling Rate.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
AD4696BCPZ
✅ 드롭인✓ 재고 있음
$11.75 / 개
데이터시트 보기 →AD4695BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$18.5 / 개
데이터시트 보기 →AD4694BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$8.1 / 개
데이터시트 보기 →AD4693BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$8.1 / 개
데이터시트 보기 →AD4692BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$5.9 / 개
데이터시트 보기 →AD4691BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$8 / 개
데이터시트 보기 →AD4690BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$17.8 / 개
데이터시트 보기 →AD4683BCPZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$6.38 / 개
데이터시트 보기 →AD4698BCPZ 최대 정격 & 전기적 특성
| 분해능 | 16 bit |
| Number of Channels | 8 |
| 샘플링 속도 | 1 MSPS |
| Input Type | Multiplexed |
| 인터페이스 유형 | SPI |
| Analog Supply Voltage | 3.15 V to 5.5 V |
| 패키지 | 24-LFCSP (4x4 mm) |
| 장착 스타일 | SMD/SMT |
| Architecture | SAR |
| Reference Type | External |
| RoHS | Compliant |
| Number of Converters | 1 |
AD4698BCPZ 핀 구성
| 핀 1 | VIN0 — Analog input channel 0 |
| 핀 2 | VIN1 — Analog input channel 1 |
| 핀 3 | VIN2 — Analog input channel 2 |
| 핀 4 | VIN3 — Analog input channel 3 |
| 핀 5 | VIN4 — Analog input channel 4 |
| 핀 6 | VIN5 — Analog input channel 5 |
| 핀 7 | VIN6 — Analog input channel 6 |
| 핀 8 | VIN7 — Analog input channel 7 |
| 핀 9 | GND — Ground |
| 핀 10 | VREF — Reference voltage input |
| 핀 11 | AVDD — Analog supply voltage |
| 핀 12 | DVDD — Digital supply voltage |
| 핀 13 | SCLK — Serial clock input |
| 핀 14 | SDI — Serial data input |
| 핀 15 | SDO — Serial data output |
| 핀 16 | CS — Chip select |
| 핀 17 | CNV — Convert input |
| 핀 18 | BUSY — Busy output |
| 핀 19 | GPIO0 — General purpose I/O |
| 핀 20 | GPIO1 — General purpose I/O |
| 핀 21 | GPIO2 — General purpose I/O |
| 핀 22 | GPIO3 — General purpose I/O |
| 핀 23 | RESET — Reset input |
| 핀 24 | PD — Power down input |
일반적인 애플리케이션
AD4698BCPZ 적합 용도: 6 애플리케이션s: Industrial Process Control, Data Acquisition Systems, Medical Instrumentation, Battery-Powered Devices, Test and Measurement, IoT and Smart Sensors.
Industrial Process Control
The AD4698BCPZ is ideal for industrial process control systems that require high-accuracy, multi-channel analog-to-digital conversion. With 8 multiplexed inputs and 16-bit resolution, it can monitor multiple sensors such as temperature, pressure, and flow transmitters. The 1 MSPS sampling rate enables fast data acquisition for real-time control loops. Its SPI interface simplifies connection to microcontrollers, and the Easy Drive feature reduces the need for external signal conditioning, lowering system cost and complexity. The wide analog supply range (3.15 V to 5.5 V) allows integration into existing industrial power rails. The compact LFCSP package fits into space-constrained PLC modules and distributed control systems.
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Data Acquisition Systems
In data acquisition systems, the AD4698BCPZ provides high-resolution, high-speed conversion of multiple analog signals. Its 16-bit resolution ensures accurate representation of sensor outputs, while the 1 MSPS throughput supports dynamic signal capture. The multiplexed inputs allow sequential sampling of up to 8 channels, reducing the need for multiple ADCs. The SPI interface enables easy integration with DSPs and FPGAs. The low power consumption makes it suitable for portable data loggers. The Easy Drive technology minimizes input current and charge kickback, allowing direct connection to sensors without external buffers, simplifying the analog front-end and reducing board space.
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Medical Instrumentation
The AD4698BCPZ is well-suited for medical instrumentation such as patient monitoring systems and diagnostic equipment. Its high accuracy and low power consumption are critical for battery-operated devices. The 8-channel input allows simultaneous monitoring of multiple physiological signals, such as ECG, EEG, and temperature. The 16-bit resolution provides fine detail for medical waveforms. The small LFCSP package enables compact device design. The SPI interface facilitates communication with medical-grade microcontrollers. The Easy Drive feature reduces the need for external components, enhancing reliability. The wide supply voltage range supports various battery configurations.
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Battery-Powered Devices
The AD4698BCPZ is optimized for battery-powered devices due to its low power consumption and small footprint. It can monitor battery voltage, current, and temperature in portable electronics. The 1 MSPS sampling rate allows rapid measurements, while the 16-bit resolution provides accurate monitoring. The SPI interface enables low-power communication with the host processor. The device can operate from a 3.3 V supply, common in battery-powered systems. The Easy Drive feature reduces external component count, saving board space and power. The LFCSP package is ideal for compact designs like wearables and handheld instruments.
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Test and Measurement
In test and measurement equipment, the AD4698BCPZ provides high-speed, high-resolution data conversion for accurate signal analysis. Its 1 MSPS sampling rate captures fast transients, while 16-bit resolution ensures precise measurements. The 8-channel input allows simultaneous monitoring of multiple test points. The SPI interface enables high-speed data transfer to the measurement system. The device's low power consumption is beneficial for portable test instruments. The Easy Drive technology simplifies the input stage, reducing noise and improving accuracy. The compact package allows integration into benchtop and handheld test equipment.
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IoT and Smart Sensors
The AD4698BCPZ is suitable for IoT and smart sensor nodes that require low power and high accuracy. It can digitize signals from various sensors, such as temperature, humidity, and gas sensors, with 16-bit resolution. The 8-channel input allows multiple sensors to be connected to a single ADC, reducing system cost. The SPI interface enables easy integration with low-power microcontrollers. The device's low power consumption extends battery life in wireless sensor networks. The small LFCSP package is ideal for compact IoT modules. The Easy Drive feature simplifies the analog front-end, making it easier to design robust sensor interfaces.
추천
추천 제품 요약
엔지니어링 참조 데이터: AD4698BCPZ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | AD4696BCPZ | AD4695BCPZ | AD4694BCPZ |
|---|---|---|---|---|
| Package | 24-LFCSP (4x4 mm) | 24-LFCSP (4x4 mm) | 24-LFCSP (4x4 mm) | 24-LFCSP (4x4 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 bit | 16 bit | 14 bit | 12 bit |
| Sampling Rate | 1 MSPS | 500 kSPS | 1 MSPS | 1 MSPS |
| Number of Channels | 8 | 8 | 8 | 8 |
| Interface | SPI | SPI | SPI | SPI |
| Analog Supply Voltage | 3.15 V to 5.5 V | 3.15 V to 5.5 V | 3.15 V to 5.5 V | 3.15 V to 5.5 V |
| RoHS | Compliant | Compliant | Compliant | Compliant |
주요 차별점
- Higher sampling rate than AD4696BCPZ (vs AD4696BCPZ)
- 16-bit resolution vs lower-resolution family members (vs AD4695BCPZ)
- Easy Drive technology (vs AD4683BCPZ)
설계 노트
The AD4698BCPZ operates from an analog supply of 3.15 V to 5.5 V. Ensure that the AVDD and DVDD pins are properly decoupled with 0.1 uF and 10 uF capacitors placed close to the pins. The reference voltage (VREF) should be stable and noise-free; use a low-noise reference such as the ADR4520 for optimal performance.
For best performance, place the AD4698BCPZ on a PCB with a solid ground plane. Keep analog and digital grounds separate and connect them at a single point. Route analog input traces away from digital signals to minimize crosstalk. Use short, direct traces for the SPI interface to reduce parasitic capacitance.
Avoid driving the analog inputs beyond the supply rails, as this can cause latch-up or damage. The Easy Drive feature reduces input current, but still ensure the source impedance is within the specified range. Do not leave unused inputs floating; tie them to GND or AVDD as appropriate. Also, ensure the SPI bus is properly terminated to avoid signal integrity issues.
규정 준수 정보
RoHS compliant per distributor data. Other compliance information not specified in the provided data.