AD4007BRUZ - 18-Bit 2MSPS SAR ADC | Analog Devices
MPN： AD4007BRUZ ✓ 啟用中AD4007BRUZ 概覽
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 speed, low power, and excellent accuracy, making it ideal for applications such as industrial process control, medical instrumentation, and communication systems. The AD4007 belongs to the precision ADC family, which includes the AD4003 and AD4011, all sharing the same Easy Drive architecture.
Key features of the AD4007BRUZ include a maximum sampling rate of 2 MSPS, an SNR of 94 dB, and a THD of -110 dB. It also offers a wide input bandwidth and a flexible serial interface (SPI) that supports multiple devices on a single bus. The device operates over a temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments.
The AD4007 uses a charge redistribution architecture with an internal reference buffer, simplifying the external component count. Its Easy Drive feature reduces the input current kickback, allowing direct connection to high-impedance sources without an external driver amplifier. This reduces system cost and board space while maintaining high accuracy.
Typical applications include automatic test equipment, data acquisition systems, and medical imaging. The device is also suitable for vibration analysis and high-speed control loops where precise, fast conversions are required.
When designing with the AD4007BRUZ, ensure that the reference voltage is stable and well-decoupled, as it directly affects the conversion accuracy. The SPI interface should be isolated from noisy digital lines to minimize coupling into the analog input.
直接替換替代品，適用於 AD4007BRUZ — 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： AD4007BRUZ （相同外形與佔位） — 差異在於 Resolution, Input Type, Package, Supply Voltage, Interface.
AD4003BRUZ
✅ 直接替換聯絡詢價
查看資料表 →AD4011BRUZ
✅ 直接替換📋 參考替代品（不在目錄中）
AD4000BRUZ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →AD7091R-5BRUZ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →AD4007BRUZ 最大額定值與電氣特性
| 解析度 | 18 bits |
| 取樣率 | 2 MSPS |
| Input Type | Differential |
| 輸入電壓範圍 | 0 V to VREF |
| 供應電壓 | 1.8 V |
| SNR | 94 dB |
| THD | -110 dB |
| INL | ±1.5 LSB |
| DNL | ±0.5 LSB |
| Power Dissipation | 15 mW |
| 介面 | SPI |
| 工作溫度 | -40°C to +125°C |
| 封裝 | 16-Lead TSSOP |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
AD4007BRUZ 腳位配置
| 腳位 1 | VDD — Power supply (1.8V) |
| 腳位 2 | GND — Ground |
| 腳位 3 | IN+ — Positive differential input |
| 腳位 4 | IN- — Negative differential input |
| 腳位 5 | REF — Reference voltage input |
| 腳位 6 | REFGND — Reference ground |
| 腳位 7 | VIO — I/O supply voltage |
| 腳位 8 | SDI — Serial data input (for configuration) |
| 腳位 9 | SCK — Serial clock input |
| 腳位 10 | SDO — Serial data output |
| 腳位 11 | CNV — Convert input (start conversion) |
| 腳位 12 | BUSY — Busy output (indicates conversion in progress) |
| 腳位 13 | GND — Ground |
| 腳位 14 | GND — Ground |
| 腳位 15 | GND — Ground |
| 腳位 16 | VDD — Power supply (1.8V) |
典型應用
AD4007BRUZ 適用於 6 應用s: Data Acquisition Systems, Medical Instrumentation, Industrial Process Control, Communication Systems, Vibration Analysis, Automatic Test Equipment.
Data Acquisition Systems
The AD4007BRUZ is ideal for high-speed data acquisition systems requiring 18-bit resolution and 2 MSPS sampling. Its Easy Drive feature reduces input drive requirements, allowing direct connection to sensors and transducers. The low power consumption (15 mW) makes it suitable for multi-channel systems where thermal management is critical. The SPI interface simplifies integration with microcontrollers and FPGAs, enabling high-channel-count designs with minimal wiring.
推薦
Medical Instrumentation
In medical imaging and patient monitoring, the AD4007BRUZ provides the high resolution and low noise required for accurate signal acquisition. Its 94 dB SNR and -110 dB THD ensure faithful reproduction of biological signals. The wide operating temperature range (-40°C to +125°C) supports sterilization and harsh clinical environments. The small TSSOP package enables compact, portable devices, while the low power consumption extends battery life in wearable monitors.
推薦
Industrial Process Control
The AD4007BRUZ excels in industrial process control where precise, fast measurements are essential. Its 18-bit resolution and 2 MSPS sampling rate enable real-time monitoring of pressure, temperature, and flow. The device's robust design operates reliably in industrial temperature ranges and is immune to noise when properly decoupled. The SPI interface allows easy integration with PLCs and industrial controllers, while the Easy Drive feature simplifies interfacing with high-impedance sensors.
推薦
Communication Systems
In communication systems, the AD4007BRUZ is used for baseband signal digitization in software-defined radios and digital receivers. Its high SNR and low distortion preserve signal integrity, while the 2 MSPS sampling rate supports wideband signals. The device's low power consumption is beneficial in battery-operated communication equipment. The SPI interface enables direct connection to DSPs and FPGAs, facilitating real-time signal processing.
推薦
Vibration Analysis
The AD4007BRUZ is well-suited for vibration analysis in predictive maintenance and structural health monitoring. Its high sampling rate captures high-frequency vibration signals, while the 18-bit resolution provides fine amplitude resolution. The low noise floor (94 dB SNR) allows detection of subtle vibration changes. The device's wide temperature range and robust design make it suitable for on-site industrial monitoring. The SPI interface simplifies data collection in multi-sensor arrays.
推薦
Automatic Test Equipment
In automatic test equipment (ATE), the AD4007BRUZ provides the speed and accuracy needed for testing a wide range of electronic components. Its 2 MSPS sampling rate enables fast throughput, while 18-bit resolution ensures precise measurements. The device's Easy Drive feature reduces the need for external buffer amplifiers, simplifying test head design. The SPI interface supports high-speed data transfer to the test controller, and the low power consumption minimizes heat generation in dense test systems.
推薦
推薦產品摘要
工程參考資料，適用於 AD4007BRUZ — 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 | AD4003BRUZ | AD4011BRUZ | AD4000BRUZ | AD7091R-5BRUZ |
|---|---|---|---|---|---|
| Package | 16-Lead TSSOP | 16-Lead TSSOP | 16-Lead TSSOP | 16-Lead TSSOP | 16-Lead TSSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 18 bits | 18 bits | 18 bits | 16 bits | 12 bits |
| Sampling Rate | 2 MSPS | 1 MSPS | 500 kSPS | 2 MSPS | 1 MSPS |
| SNR | 94 dB | 94 dB | 94 dB | 92 dB | 72 dB |
| THD | -110 dB | -110 dB | -110 dB | -105 dB | -80 dB |
| Power Dissipation | 15 mW | 15 mW | 15 mW | 15 mW | 3 mW |
| Interface | SPI | SPI | SPI | SPI | SPI |
主要差異化特點
- Higher sampling rate than AD4003 (對比AD4003BRUZ)
- Higher resolution than AD4000 (對比AD4000BRUZ)
- Better SNR than AD7091R-5 (對比AD7091R-5BRUZ)
設計說明
Decouple the VDD and VIO pins with 0.1 µF and 10 µF capacitors placed as close to the pins as possible. The reference input (REF) should be decoupled with a 10 µF capacitor to ensure a low-impedance path. Use separate analog and digital ground planes to minimize noise coupling.
Route the differential input traces (IN+ and IN-) as a closely coupled pair to minimize loop area and reduce susceptibility to external noise. Keep the traces short and avoid crossing digital signal lines. Use a ground plane beneath the ADC to provide a low-impedance return path.
Ensure the reference voltage is stable and within the specified range (typically 2.4V to 5V). An unstable reference will directly degrade the ADC's accuracy. Also, avoid driving the analog inputs beyond the supply rails, as this can cause latch-up or damage.
合規資訊
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.