Analog Devices Inc. AD7721ARZ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $33.84 | $33.84 |
| 15+ | $32.77 | $491.55 |
| 25+ | $32.06 | $801.50 |
| 50+ | $30.28 | $1,514.00 |
| 100+ | $26.72 | $2,672.00 |
| N+ | $5.34 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Marketplace | Tube |
| Number of Bits | 12, 16 |
| Sampling Rate (Per Second) | 312.5k, 468.75k |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | SPI, Parallel |
| Configuration | ADC |
| Ratio - S/H:ADC | - |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Features | - |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 28-SOIC |
| ROHS |  |
The AD7721ARZ is a single-channel, 12/16-bit sigma-delta ADC from Analog Devices, offering flexible sampling rates up to 468.75 kSPS. It features both SPI and parallel interfaces, providing design flexibility for various microcontroller and DSP platforms. The external reference allows for precise scaling in measurement applications. Housed in a 28-SOIC package, this ADC is ideal for high-resolution data acquisition, medical instrumentation, and industrial control systems.
- Selectable Resolution: Choose 12-bit for higher speed or 16-bit for higher precision, adapting to different application needs.
- Dual Interface Options: SPI for simple serial connections or parallel for high-speed data transfer.
- Sigma-Delta Architecture: Provides excellent noise shaping and high-resolution conversion for low-frequency signals.
- External Reference: Allows precise voltage reference selection for improved accuracy.
- Wide Temperature Range: Operates from -40°C to 85°C for industrial applications.
High-Resolution Sensor Digitization
The AD7721ARZ's 16-bit mode at 312.5 kSPS provides high precision for strain gauges, pressure sensors, and load cells in industrial weighing systems.
Data Acquisition Systems
With SPI and parallel interfaces, this ADC easily connects to microcontrollers and DSPs for multi-channel data logging in laboratory equipment.
Medical Instrumentation
The 16-bit resolution enables accurate digitization of biomedical signals like ECG and EEG, where low noise and high dynamic range are critical.
Industrial Process Control
Sigma-Delta architecture provides excellent noise rejection for 4-20 mA loop transmitters and temperature monitoring in harsh industrial environments.
Vibration Analysis
At 468.75 kSPS in 12-bit mode, it can capture vibration signatures for predictive maintenance in rotating machinery.
Energy Monitoring
High resolution supports precise power quality analysis and energy metering applications with external reference for accuracy.
- Q: What is the resolution of the AD7721ARZ?
- A: It offers selectable resolution of 12 or 16 bits.
- Q: What is the sampling rate?
- A: The sampling rate is 312.5 kSPS for 16-bit mode and 468.75 kSPS for 12-bit mode.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What interfaces are supported?
- A: It supports both SPI and Parallel interfaces.
- Q: What is the architecture?
- A: It uses a Sigma-Delta ADC architecture.
- Q: What is the package type?
- A: It comes in a 28-SOIC package.
AD7721ARZ.pdf
- Q: What is the resolution of the AD7721ARZ?
- A: It offers selectable resolution of 12 or 16 bits.
- Q: What is the sampling rate?
- A: The sampling rate is 312.5 kSPS for 16-bit mode and 468.75 kSPS for 12-bit mode.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What interfaces are supported?
- A: It supports both SPI and Parallel interfaces.
- Q: What is the architecture?
- A: It uses a Sigma-Delta ADC architecture.
- Q: What is the package type?
- A: It comes in a 28-SOIC package.
