Overview
The AD7718BRZ-REEL7 is a high-precision, low-power, 24-bit sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-accuracy data acquisition applications, offering excellent noise performance and low drift over temperature. It is particularly suited for industrial, medical, and scientific instruments where precision and reliability are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Conversion Rate | Up to 400 Hz |
| Input Range | ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V, 0 V to 1.25 V |
| Noise Free Resolution | 22 bits |
| Power Consumption | Typically 4.5 mW at 3 V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 20-lead TSSOP |
Key Features
- High precision with 24-bit resolution and noise-free resolution of 22 bits
- Low power consumption, typically 4.5 mW at 3 V
- Multiple input ranges: ±10 V, ±5 V, ±2.5 V, ±1.25 V, and unipolar ranges
- On-chip PGA (Programmable Gain Amplifier) with gains of 1, 2, 4, 8, or 16
- Internal clock or external clock option
- Serial interface (SPI, QSPI, and MICROWIRE compatible)
- Operating temperature range from -40°C to +85°C
Applications
- Industrial process control and automation
- Medical devices and diagnostic equipment
- Scientific instruments and data acquisition systems
- Environmental monitoring and control systems
- Aerospace and defense applications requiring high precision and reliability
Q & A
- What is the resolution of the AD7718BRZ-REEL7? The AD7718BRZ-REEL7 has a 24-bit resolution.
- What are the input ranges available for this ADC? The input ranges include ±10 V, ±5 V, ±2.5 V, ±1.25 V, and unipolar ranges of 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V, and 0 V to 1.25 V.
- What is the typical power consumption of the AD7718BRZ-REEL7? The typical power consumption is 4.5 mW at 3 V.
- What is the operating temperature range of this device? The operating temperature range is from -40°C to +85°C.
- Does the AD7718BRZ-REEL7 have an internal clock option? Yes, it has both internal and external clock options.
- What type of interface does the AD7718BRZ-REEL7 use? It uses a serial interface compatible with SPI, QSPI, and MICROWIRE.
- What is the package type of the AD7718BRZ-REEL7? The package type is a 20-lead TSSOP.
- Is the AD7718BRZ-REEL7 suitable for medical devices? Yes, it is suitable for medical devices due to its high precision and reliability.
- Can the AD7718BRZ-REEL7 be used in industrial process control? Yes, it is commonly used in industrial process control and automation.
- Does the AD7718BRZ-REEL7 have a programmable gain amplifier? Yes, it has an on-chip PGA with gains of 1, 2, 4, 8, or 16.
