AD4007BRUZ - 18-Bit 2MSPS SAR ADC | Analog Devices
部品番号: AD4007BRUZ ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $17.12 | $17.12 |
| 10 | $15.5 | $155.00 |
| 100 | $13.2 | $1,320.00 |
| 500 | $11.8 | $5,900.00 |
| 1,000 | $10.5 | $10,500.00 |
AD4007BRUZ 概要
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.
ドロップイン代替品: AD4007BRUZ — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: AD4007BRUZ （同一形状・フットプリント） — 相違点: Resolution, Input Type, Package, Supply Voltage, Interface.
クイック比較ツール — 並列比較する代替部品を選択:
AD4003BRUZ
✅ ドロップイン✓ 在庫あり
$13 / 個
データシートを見る →AD4011BRUZ
✅ ドロップイン📋 参考代替品（カタログ未掲載）
AD4000BRUZ
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$8.1 / 個
データシートを見る →AD7091R-5BRUZ
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.1 / 個
データシートを見る →AD4007BRUZ 最大定格＆電気的特性
| 分解能 | 18 bits |
| サンプリングレート | 2 MSPS |
| Input Type | Differential |
| 入力電圧範囲 | 0 V to VREF |
| 電源電圧 | 1.8 V |
| SNR | 94 dB |
| THD | -110 dB |
| INL | ±1.5 LSB |
| DNL | ±0.5 LSB |
| Power Dissipation | 15 mW |
| インターフェース | SPI |
| 動作温度 | -40°C to +125°C |
| パッケージ | 16-Lead TSSOP |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
AD4007BRUZ ピン構成
| ピン 1 | VDD — Power supply (1.8V) |
| ピン 2 | GND — Ground |
| ピン 3 | IN+ — Positive differential input |
| ピン 4 | IN- — Negative differential input |
| ピン 5 | REF — Reference voltage input |
| ピン 6 | REFGND — Reference ground |
| ピン 7 | VIO — I/O supply voltage |
| ピン 8 | SDI — Serial data input (for configuration) |
| ピン 9 | SCK — Serial clock input |
| ピン 10 | SDO — Serial data output |
| ピン 11 | CNV — Convert input (start conversion) |
| ピン 12 | BUSY — Busy output (indicates conversion in progress) |
| ピン 13 | GND — Ground |
| ピン 14 | GND — Ground |
| ピン 15 | GND — Ground |
| ピン 16 | VDD — Power supply (1.8V) |
主な用途
AD4007BRUZ の用途: 6 件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.
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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.
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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.
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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.
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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.
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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.
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おすすめ製品の概要
エンジニアリング参考データ: AD4007BRUZ — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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 |
主な差別化要因
- Higher sampling rate than AD4003 （vs AD4003BRUZ)
- Higher resolution than AD4000 （vs AD4000BRUZ)
- Better SNR than AD7091R-5 （vs AD7091R-5BRUZ)
設計ノート
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.
コンプライアンス情報
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.