Overview
The AD7124-4BRUZ-RL7 is a precision analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device features a 24-bit sigma-delta modulator and a programmable gain amplifier (PGA), along with an on-chip reference, which enhances its flexibility and integration capabilities. It is packaged in a 24-lead thin shrink small outline package (TSSOP-24) and supports multiple input channel types, including differential, pseudo-differential, and single-ended inputs. This versatility makes it suitable for a wide range of high-precision measurement applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 24-Lead TSSOP |
| Number of Bits | 24 |
| Architecture | Sigma-Delta |
| Sampling Rate | Up to 19.2 kSPS |
| Data Interface | SPI (3-wire) |
| Number of Inputs | 4 differential, 7 single-ended or pseudo-differential |
| Input Type | Differential, Single-Ended, Pseudo-Differential |
| Operating Temperature | -40°C to +105°C |
| Analog Supply Voltage | ±1.8V, 2.7V to 3.6V |
| Digital Supply Voltage | 1.65V to 3.6V |
| Power Modes | Low Power, Mid Power, Full Power |
| RMS Noise | 24 nV rms at 1.17 SPS (Low Power), 20 nV rms at 2.34 SPS (Mid Power), 23 nV rms at 9.4 SPS (Full Power) |
Key Features
The AD7124-4BRUZ-RL7 boasts several key features that make it highly versatile and reliable for various applications. These include:
- Programmable Gain Amplifier (PGA): Allows for the amplification of small amplitude signals directly to the ADC.
- On-Chip Reference: Includes a precision, low noise, low drift internal band gap reference and accepts an external differential reference.
- Multiple Power Modes: Offers three integrated power modes to tailor current consumption, output data rates, and RMS noise.
- Flexible Filtering System: Provides a multitude of filter options, including simultaneous 50 Hz and 60 Hz rejection.
- Integrated Channel Sequencer: Enables several channels to be enabled simultaneously, with sequential conversion on each enabled channel.
- Diagnostic Capabilities: Includes cyclic redundancy check (CRC), signal chain checks, and serial interface checks, reducing the need for external diagnostic components.
- Low Power Consumption: Features low power modes to minimize system power consumption, especially useful for powering down bridge sensors between conversions.
Applications
The AD7124-4BRUZ-RL7 is suitable for a broad range of applications across various sectors due to its precision, reliability, and adaptability. Some of the key applications include:
- Industrial Automation: Ideal for sensor data acquisition systems in manufacturing and process control, providing accurate feedback for real-time automated control systems.
- Medical Imaging: Suitable for small signal measurements in imaging equipment, though adherence to medical standards and comprehensive system validation is required.
- Aerospace and Defense: Applicable for environmental monitoring and navigational instruments due to its extended temperature range and high precision.
- Electronic Manufacturing: Useful for quality assurance and test equipment to ensure product quality and consistency.
Q & A
- What is the resolution of the AD7124-4BRUZ-RL7 ADC?
The AD7124-4BRUZ-RL7 has a 24-bit resolution.
- What types of input channels does the AD7124-4BRUZ-RL7 support?
The device supports differential, pseudo-differential, and single-ended input channels.
- What are the operating temperature ranges for the AD7124-4BRUZ-RL7?
The device operates within a temperature range of -40°C to +105°C.
- What are the power supply voltage ranges for the AD7124-4BRUZ-RL7?
The analog supply voltage ranges from ±1.8V to 2.7V to 3.6V, and the digital supply voltage ranges from 1.65V to 3.6V.
- Does the AD7124-4BRUZ-RL7 support multiple power modes?
Yes, it supports three integrated power modes: Low Power, Mid Power, and Full Power.
- What is the sampling rate of the AD7124-4BRUZ-RL7?
The device has a sampling rate of up to 19.2 kSPS.
- What kind of diagnostic capabilities does the AD7124-4BRUZ-RL7 have?
The device includes cyclic redundancy check (CRC), signal chain checks, and serial interface checks.
- Can the AD7124-4BRUZ-RL7 be used in medical imaging applications?
Yes, it is suitable for small signal measurements in medical imaging, but requires adherence to medical standards and comprehensive system validation.
- How does the AD7124-4BRUZ-RL7 manage power consumption?
The device features low power modes and the ability to power down bridge sensors between conversions to minimize system power consumption.
- What is the package type of the AD7124-4BRUZ-RL7?
The device is packaged in a 24-lead TSSOP (Thin Shrink Small Outline Package).
