AD4000BRUZ - 16-Bit 2MSPS SAR ADC | Analog Devices
Référence : AD4000BRUZ ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 Présentation
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.
Alternatives de remplacement direct pour AD4000BRUZ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec AD4000BRUZ (même facteur de forme et même empreinte) — différant par Resolution, Reference Voltage, Input Type, Package, Interface.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
AD4000BRMZ
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AD4001BRUZ
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$6.6818 / unité
Voir la fiche technique →AD4008BRUZ
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.73 / unité
Voir la fiche technique →AD7980BRMZ
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$16.8636 / unité
Voir la fiche technique →MAX11166
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
AD4000BRUZ Valeurs maximales et caractéristiques électriques
| Résolution | 16 bits |
| Fréquence d'échantillonnage | 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 |
| Interface | SPI |
| Boîtier | 10-MSOP |
| Plage de température de fonctionnement | -40°C to +125°C |
| Reference Type | External |
| Integrated Reference Buffer | Yes |
| Daisy-Chain Support | Yes |
| Busy Indicator | Yes |
Configuration des broches de AD4000BRUZ
| Broche 1 | IN+ — Positive analog input |
| Broche 2 | IN- — Negative analog input (pseudo-differential) |
| Broche 3 | REF — Reference voltage input |
| Broche 4 | GND — Ground |
| Broche 5 | VIO — Digital interface supply |
| Broche 6 | SDI — Serial data input (for daisy-chain) |
| Broche 7 | SCK — Serial clock input |
| Broche 8 | SDO — Serial data output |
| Broche 9 | CNV — Convert input (start conversion) |
| Broche 10 | VDD — Analog supply (1.8V) |
Applications typiques
AD4000BRUZ convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour AD4000BRUZ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- Higher sampling rate than AD4001BRUZ (vs AD4001BRUZ)
- Higher SNR than AD7980BRMZ (vs AD7980BRMZ)
- Lower supply voltage than AD7980BRMZ (vs AD7980BRMZ)
Notes de conception
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.
Informations de conformité
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Halogen-free status not specified in provided data.
