Overview
The AD7720BRUZ-REEL, manufactured by Analog Devices Inc., is a high-performance sigma-delta modulator designed for precision analog-to-digital conversion. This 16-bit ADC operates at a sampling rate of 12.5 MHz and is packaged in a 28-TSSOP (Thin Shrink Small Outline Package). The device is known for its high resolution, low noise, and excellent linearity, making it suitable for demanding measurement applications.
Key Specifications
| Parameter | Value | Units | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 16 Bits | - | Differential Nonlinearity ±1 LSB max Guaranteed Monotonic |
| Differential Nonlinearity | ±1 LSB max | - | Guaranteed Monotonic |
| Integral Nonlinearity | ±2 LSB typ | - | - |
| Precalibration Offset Error | ±6 mV typ | - | - |
| Precalibration Gain Error | ±0.6 % FSR typ | - | Excludes reference error |
| Postcalibration Offset Error | ±1.5 mV typ | - | Applies after calibration at temperature of interest |
| Postcalibration Gain Error | ±0.3 % FSR typ | - | Applies after calibration at temperature of interest |
| Sampling Rate | 12.5 MHz | - | - |
| Data Interface | SPI | - | - |
| Voltage Supply | 5 V | - | Analog and Digital |
| Operating Temperature | -40°C to +85°C | - | Industrial (B Version) |
| Package Type | 28-TSSOP | - | - |
Key Features
- High Resolution: 16-bit sigma-delta modulator providing high accuracy and precision in analog-to-digital conversion.
- Low Noise and High Linearity: Excellent performance characteristics suitable for demanding measurement applications.
- Flexible Input Modes: Supports both unipolar and bipolar input modes, selected via the BIP pin.
- Calibration Capabilities: Allows for gain error calibration via the GC pin.
- Low Power Consumption: Active mode current of 43 mA max and standby mode current of 25 µA max.
- SPI Interface: Facilitates easy communication and data transfer.
Applications
- Medical Diagnostic Equipment: Used in devices such as electrocardiogram (ECG) machines due to its high resolution and low noise characteristics.
- Industrial Measurement Systems: Suitable for various industrial measurement applications requiring high precision and reliability.
- Automotive Systems: Can be used in automotive diagnostic and measurement systems where high accuracy is crucial.
- Scientific Instruments: Ideal for use in scientific instruments that require precise analog-to-digital conversion.
Q & A
- What is the resolution of the AD7720BRUZ-REEL?
The AD7720BRUZ-REEL has a resolution of 16 bits.
- What is the sampling rate of the AD7720BRUZ-REEL?
The sampling rate is 12.5 MHz.
- What type of data interface does the AD7720BRUZ-REEL use?
The AD7720BRUZ-REEL uses an SPI (Serial Peripheral Interface) data interface.
- What is the operating temperature range of the AD7720BRUZ-REEL?
The operating temperature range is -40°C to +85°C.
- What is the package type of the AD7720BRUZ-REEL?
The package type is 28-TSSOP (Thin Shrink Small Outline Package).
- Is the AD7720BRUZ-REEL suitable for medical diagnostic equipment?
Yes, it is suitable for medical diagnostic equipment such as ECG machines due to its high resolution and low noise characteristics.
- Can the AD7720BRUZ-REEL be used in industrial measurement systems?
Yes, it is suitable for various industrial measurement applications requiring high precision and reliability.
- Does the AD7720BRUZ-REEL support calibration?
Yes, it allows for gain error calibration via the GC pin.
- What is the power consumption of the AD7720BRUZ-REEL in active and standby modes?
In active mode, the current is 43 mA max, and in standby mode, it is 25 µA max.
- Is the AD7720BRUZ-REEL obsolete?
Yes, the AD7720BRUZ-REEL is listed as obsolete.
