ADAQ4381-4BCPZ - Quad 14-Bit μModule DAQ | Analog Devices
MPN: ADAQ4381-4BCPZ ✓ NakahandaADAQ4381-4BCPZ Ulas
A data acquisition system (DAS) is a complete signal chain that samples analog signals, converts them to digital, and interfaces with a host processor. The ADAQ4381-4 is a μModule, a system-in-package that integrates the ADC, drivers, reference, and buffer, simplifying design and improving performance. It belongs to the hierarchy: μModule DAQ -> data acquisition system -> signal chain -> analog front end -> electronic system.
Key features include 14-bit resolution, 4 MSPS sampling rate per channel, quad-channel simultaneous sampling, and a high precision 3.3 V reference. The integrated reference buffer ensures low noise and high accuracy. The device operates from a single 5 V analog supply and a separate logic supply, enabling flexible interface levels. The CSPBGA package offers excellent thermal and electrical performance, with a compact footprint for space-constrained designs.
Technically, the ADAQ4381-4 uses a fully differential ADC architecture with integrated drivers, providing high input impedance and reduced external component requirements. The precision reference and buffer maintain low drift and high accuracy over temperature. The SPI interface allows easy configuration and data readout, with support for multiple devices on a single bus. The device includes power-down modes for low-power operation.
Typical applications include industrial process control, automated test equipment, medical instrumentation, and multi-channel data logging. The quad-channel architecture is ideal for systems requiring simultaneous sampling of multiple signals, such as three-phase power monitoring or vibration analysis. The integrated reference and drivers reduce BOM cost and board space.
When designing with this device, ensure proper decoupling of the analog and digital supplies, and use a clean ground plane to minimize noise. The SPI interface should be routed with controlled impedance to avoid signal integrity issues. The device requires an external clock or master clock input for conversion timing.
Mga alternatibo na pwedeng ilagay na ADAQ4381-4BCPZ — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok ADAQ4381-4BCPZ (parehas na form factor at footprint) — pagkakaiba sa Input Type, Number of Channels, Package, Resolution, Sampling Rate.
ADAQ4381-4BBCZ
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
ADAQ4380-4BCPZ
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
ADAQ4370-4BCPZ
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
AD7384-4BCPZ
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →AD7383-4BCPZ
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →ADAQ4381-4BCPZ Mga Pinakamataas na Rating at Electrical Characteristics
| Pangangasiwaan | 14 bit |
| Number of Channels | 4 |
| Rate ng Pagkupita | 4 MSPS |
| Interface | Serial SPI |
| Packhaging | 81-CSPBGA (8x8 mm) |
| Hanay ng Temperature na Operasyon | -40°C to +105°C |
| Logic Supply Voltage | 1.8 V, 2.5 V, 3.3 V |
| Tingnan ang Volte | 3.3 V (internal) |
| Input Type | Fully differential |
| Uri ng Pagpapasok | Surface Mount |
| Tindminan RoHS | Compliant |
| Number of Bits | 14 |
| Data Acquisition System Type | μModule |
Pin Configuration ng ADAQ4381-4BCPZ
| Pin A1 | AVDD — Analog power supply |
| Pin A2 | AIN0+ — Positive analog input channel 0 |
| Pin A3 | AIN0- — Negative analog input channel 0 |
| Pin B1 | AVSS — Analog ground |
| Pin B2 | AIN1+ — Positive analog input channel 1 |
| Pin B3 | AIN1- — Negative analog input channel 1 |
| Pin C1 | DVDD — Digital power supply |
| Pin C2 | AIN2+ — Positive analog input channel 2 |
| Pin C3 | AIN2- — Negative analog input channel 2 |
| Pin D1 | DGND — Digital ground |
| Pin D2 | AIN3+ — Positive analog input channel 3 |
| Pin D3 | AIN3- — Negative analog input channel 3 |
| Pin E1 | SCLK — Serial clock input |
| Pin E2 | SDI — Serial data input |
| Pin E3 | SDO — Serial data output |
| Pin F1 | CS — Chip select |
| Pin F2 | REF — Reference voltage input/output |
| Pin F3 | VIO — Logic supply voltage |
Tipikal na mga Gamit
ADAQ4381-4BCPZ ay nararapat para sa 6 aplikasyons: Industrial Process Control, Automated Test Equipment, Medical Instrumentation, Multi-Channel Data Logging, Three-Phase Power Monitoring, Vibration Analysis.
Industrial Process Control
The ADAQ4381-4BCPZ provides four simultaneous 14-bit channels at 4 MSPS, ideal for monitoring multiple process variables like temperature, pressure, and flow. Its integrated reference and drivers reduce external component count, simplifying design in harsh industrial environments. The wide operating temperature range of -40°C to +105°C ensures reliable operation in factory floors. The SPI interface allows easy integration with industrial microcontrollers, enabling real-time control and data logging. Compared to discrete solutions, the μModule reduces board space and improves noise performance, critical for accurate process monitoring.
Inirekomenda
Automated Test Equipment
In ATE, the ADAQ4381-4BCPZ enables high-speed, multi-channel data acquisition for testing electronic devices. Its 4 MSPS sampling rate and 14-bit resolution capture fast transients with good accuracy. The integrated reference and buffer ensure stable measurements over temperature, reducing calibration drift. The compact CSPBGA package allows dense channel density on test boards. The SPI interface supports daisy-chaining multiple devices for scalable channel counts. The μModule approach reduces design time and BOM cost, making it ideal for production test systems where reliability and speed are paramount.
Inirekomenda
Medical Instrumentation
The ADAQ4381-4BCPZ is suitable for medical devices requiring multi-channel, high-resolution data acquisition, such as patient monitoring and diagnostic equipment. Its low noise and integrated reference ensure accurate signal capture, critical for biomedical signals. The quad-channel architecture allows simultaneous sampling of multiple physiological signals, like ECG and EEG. The wide temperature range and compact package enable portable designs. The SPI interface simplifies connection to medical-grade microcontrollers. The μModule reduces design risk and speeds time-to-market for regulated medical devices.
Inirekomenda
Multi-Channel Data Logging
The ADAQ4381-4BCPZ excels in data logging applications where multiple analog signals must be captured simultaneously. Its 4 MSPS sampling rate and 14-bit resolution provide high-fidelity recording of dynamic signals. The integrated reference and buffer maintain accuracy over long logging sessions. The SPI interface allows efficient data transfer to storage or processing units. The compact package enables portable loggers. The μModule simplifies design, reducing the risk of noise and layout issues. This makes it ideal for environmental monitoring, vibration analysis, and energy logging.
Inirekomenda
Three-Phase Power Monitoring
The ADAQ4381-4BCPZ is well-suited for three-phase power monitoring systems, where simultaneous sampling of voltage and current signals is essential. Its four channels can capture all three phases plus neutral, with 14-bit resolution and 4 MSPS speed to accurately measure harmonics and transients. The integrated reference ensures stable measurements over temperature. The SPI interface allows easy integration with power management processors. The μModule reduces component count and board space, enabling compact energy meters. The wide temperature range supports outdoor installation.
Inirekomenda
Vibration Analysis
The ADAQ4381-4BCPZ is ideal for vibration analysis in industrial machinery, where multiple accelerometer signals need simultaneous sampling. Its 4 MSPS rate captures high-frequency vibrations, and 14-bit resolution provides good dynamic range. The integrated reference and buffer ensure low noise, preserving signal fidelity. The quad-channel architecture allows monitoring multiple axes or sensors. The SPI interface enables fast data streaming to DSPs or FPGAs. The compact package suits embedded condition monitoring systems. The μModule simplifies design, reducing time-to-market for predictive maintenance solutions.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for ADAQ4381-4BCPZ — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | ADAQ4381-4BBCZ | ADAQ4380-4BCPZ | ADAQ4370-4BCPZ | AD7384-4BCPZ |
|---|---|---|---|---|---|
| Package | 81-CSPBGA (8x8) | 81-CSPBGA (8x8) | 81-CSPBGA (8x8) | 81-CSPBGA (8x8) | 81-CSPBGA (8x8) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 14 bit | 14 bit | 16 bit | 14 bit | 16 bit |
| Sampling Rate | 4 MSPS | 4 MSPS | 4 MSPS | 2 MSPS | 4 MSPS |
| Integrated Reference | Yes | Yes | Yes | Yes | No |
| Integrated Drivers | Yes | Yes | Yes | Yes | No |
| Operating Temperature Range | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +125°C |
| Logic Supply Voltage | 1.8V, 2.5V, 3.3V | 1.8V, 2.5V, 3.3V | 1.8V, 2.5V, 3.3V | 1.8V, 2.5V, 3.3V | 1.8V, 2.5V, 3.3V |
Pangunahing mga Pagkakaiba
- Integrated μModule reduces component count (kumpara saAD7384-4BCPZ)
- Higher sampling rate than ADAQ4370-4 (kumpara saADAQ4370-4BCPZ)
- 14-bit resolution with integrated reference (kumpara saAD7384-4BCPZ)
Talaan ng Disenyo
Ensure clean and stable power supplies for AVDD and DVDD. Use low-dropout regulators (LDOs) with low noise and high PSRR to minimize supply-induced noise. Decouple each supply pin with 0.1 µF and 10 µF capacitors placed close to the pins. The separate logic supply (VIO) should be decoupled with 0.1 µF capacitor. Proper power sequencing is recommended to avoid latch-up.
Use a solid ground plane and separate analog and digital ground planes, connecting them at a single point near the device. Route analog inputs away from digital traces to minimize coupling. Place the reference decoupling capacitor close to the REF pin. For the CSPBGA package, ensure adequate thermal vias under the exposed pad for heat dissipation. Follow the layout guidelines in the datasheet for optimal performance.
The SPI interface should be routed with controlled impedance and matched trace lengths to avoid signal integrity issues at high clock rates. Use series termination resistors (e.g., 33 Ω) near the driver to reduce reflections. Keep the SPI bus short and avoid crossing analog signals. For multi-device configurations, ensure proper CS decoding and minimize bus capacitance.
Impormasyon ng Pagsunod sa Kautusan
RoHS compliance inferred from distributor listings. Other compliance data not explicitly provided in verified data.
