Overview
The AD7124-4BRUZ is a precision, low noise, low power 24-bit analog-to-digital converter (ADC) manufactured by Analog Devices, Inc. This device is designed for high precision measurement applications and features a compact 24-lead TSSOP package. It is ideal for applications requiring high accuracy and resolution, such as industrial process control, instrumentation, and medical equipment. The AD7124-4BRUZ integrates key features like low power consumption, noise levels, and programmable gain amplifiers, making it a cost-effective solution for various precision sensing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Number of Channels | 4 differential or 7 single-ended/pseudo differential inputs |
| Sampling Rate | Up to 100 kSPS |
| Power Modes | Low, Mid, Full power modes |
| 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) |
| Current Consumption | 255 µA (Low power), 355 µA (Mid power), 930 µA (Full power) |
| Analog Supply Voltage | 2.7 V to 3.6 V (single supply) or 1.8 V (dual supply) |
| Digital Supply Voltage | 1.65 V to 3.6 V |
| Temperature Range | -40°C to +105°C |
| Package | 24-lead TSSOP |
Key Features
- REAL-TIME SAMPLING RATES UP TO 100kSPS
- HIGH-SENSITIVITY ANALOG-TO-DIGITAL CONVERSION
- PIN-FOR-PIN COMPATIBLE WITH PREVIOUS MODELS
- FULL-SPEED SPI INTERFACE
- Programmable gain amplifiers, reference buffers, and on-chip diagnostic functionality
- Integrated channel sequencer allowing simultaneous conversion of multiple channels
- Programmable low drift excitation current sources, burnout currents, and bias voltage generator
- Low-side power switch for minimal power consumption
- Option to operate with internal or external clock
- Extensive diagnostic functionality including cyclic redundancy check (CRC), signal chain checks, and serial interface checks
Applications
- Industrial process control and instrumentation
- Medical instrumentation and equipment
- Precision sensor measurement applications such as pressure sensors, temperature sensors, and strain gauges
- Data acquisition systems requiring high accuracy and resolution
- Portable and space-constrained systems where reliability and accuracy are paramount
Q & A
- What is the resolution of the AD7124-4BRUZ ADC?
The AD7124-4BRUZ has a resolution of 24 bits.
- How many input channels does the AD7124-4BRUZ support?
The device supports 4 differential or 7 single-ended/pseudo differential inputs.
- What are the power modes available for the AD7124-4BRUZ?
The device operates in three power modes: Low, Mid, and Full power.
- What is the typical current consumption of the AD7124-4BRUZ in different power modes?
The current consumption is 255 µA (Low power), 355 µA (Mid power), and 930 µA (Full power).
- What is the temperature range for the AD7124-4BRUZ?
The device is specified for a temperature range of -40°C to +105°C.
- What package types are available for the AD7124-4BRUZ?
The device is available in a 24-lead TSSOP package.
- Does the AD7124-4BRUZ support simultaneous 50 Hz and 60 Hz rejection?
Yes, the device can achieve simultaneous 50 Hz and 60 Hz rejection when operating at an output data rate of 25 SPS.
- What diagnostic features are integrated into the AD7124-4BRUZ?
The device includes cyclic redundancy check (CRC), signal chain checks, and serial interface checks.
- Can the AD7124-4BRUZ operate with an external clock?
Yes, the device allows the option to operate with either an internal or external clock.
- What is the purpose of the integrated channel sequencer in the AD7124-4BRUZ?
The integrated channel sequencer allows several channels to be enabled simultaneously, and the device sequentially converts on each enabled channel, simplifying communication.
