Overview
The AD7724ASTZ is a high-performance analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is a dual 7th-order, sigma-delta modulator, offering exceptional precision and accuracy in data conversion. It is designed to meet the demands of various applications requiring high-resolution data acquisition, such as industrial automation, medical instrumentation, and scientific research.
The AD7724ASTZ stands out with its high-resolution conversion capabilities, low noise, and superior signal fidelity, making it an ideal choice for applications where precise measurement is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7724ASTZ |
| Package/Case | 48-LQFP (7mm x 7mm) |
| Number of Channels | 2 |
| Resolution (Bits) | 15 bits |
| Sampling Rate (Per Second) | 250 kSPS |
| Data Interface | Serial |
| Voltage Supply Source | Analog and Digital |
| Voltage Supply | 2.85 V ~ 5.25 V, 4.75 V ~ 5.25 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| SNR Performance | 90 dB over a 90 kHz bandwidth |
Key Features
- High-Resolution Conversion: The AD7724ASTZ offers 15-bit resolution, ensuring high precision in data acquisition.
- Low Noise and High SNR: With an SNR performance of 90 dB over a 90 kHz bandwidth, this ADC provides superior signal fidelity and measurement accuracy.
- Dual Sigma-Delta Modulators: It is a dual version of the AD7720, providing two channels for simultaneous data conversion.
- On-Chip Reference: The part includes an accurate on-chip 2.5 V reference, with the option to use an external system reference if needed.
- No External Sample and Hold Circuitry Required: The analog inputs are continuously sampled by the analog modulators, eliminating the need for external sample and hold circuitry.
Applications
- Industrial Automation: The AD7724ASTZ can be integrated into control systems for monitoring and regulating parameters like pressure, flow, and temperature, enhancing process efficiency and product quality.
- Medical Instrumentation: It facilitates accurate measurement of physiological signals such as ECG and EEG, enabling more reliable diagnostics and patient monitoring in healthcare settings.
- Scientific Research: The AD7724ASTZ is utilized for precise data acquisition in experiments requiring high-resolution measurement, such as environmental monitoring, material analysis, and sensor calibration.
Q & A
- What is the resolution of the AD7724ASTZ?
The AD7724ASTZ has a resolution of 15 bits.
- What is the sampling rate of the AD7724ASTZ?
The sampling rate of the AD7724ASTZ is 250 kSPS.
- What type of modulator is the AD7724ASTZ?
The AD7724ASTZ is a dual 7th-order, sigma-delta modulator.
- What is the operating temperature range of the AD7724ASTZ?
The operating temperature range of the AD7724ASTZ is -40°C to 85°C.
- Does the AD7724ASTZ require external sample and hold circuitry?
No, the AD7724ASTZ does not require external sample and hold circuitry as the analog inputs are continuously sampled by the analog modulators.
- What is the SNR performance of the AD7724ASTZ?
The SNR performance of the AD7724ASTZ is 90 dB over a 90 kHz bandwidth.
- What type of package does the AD7724ASTZ come in?
The AD7724ASTZ comes in a 48-lead LQFP (7mm x 7mm) package.
- Can the AD7724ASTZ use an external reference?
Yes, the AD7724ASTZ allows the use of either the internal 2.5 V reference or an external system reference.
- What are some typical applications of the AD7724ASTZ?
The AD7724ASTZ is typically used in industrial automation, medical instrumentation, and scientific research.
- Is the AD7724ASTZ RoHS compliant?
Yes, the AD7724ASTZ is lead-free and RoHS compliant.
