Overview
The AD7124-4TRUZ-EP-R7, produced by Analog Devices Inc., is a highly integrated, low power, and low noise analog front end designed for high precision measurement applications. This device features a 24-bit Σ-Δ analog-to-digital converter (ADC) and can be configured to support four differential inputs or seven single-ended or pseudo differential inputs. The AD7124-4-EP is particularly suited for applications requiring high signal chain integration, flexibility in power modes, and advanced diagnostic capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Resolution | 24-bit |
| Input Configuration | 4 differential or 7 single-ended/pseudo differential |
| Analog Power Supply | 2.7 V to 3.6 V (single), 1.8 V (dual) |
| Digital Power Supply | 1.65 V to 3.6 V |
| Temperature Range | −55°C to +125°C |
| Package Type | 24-lead TSSOP |
| Output Data Rate | Up to 25 SPS (single cycle settling) |
| Noise Performance | RMS noise tailored by power mode, >80 dB rejection at lower data rates |
Key Features
- Low noise, low power 24-bit Σ-Δ ADC with programmable gain amplifier (PGA).
- Flexible power modes to adjust current consumption, output data rates, and RMS noise.
- Integrated low gain stage for direct interface with small amplitude signals.
- Simultaneous 50 Hz and 60 Hz rejection with high rejection at lower data rates.
- Precision, low noise, low drift internal band gap reference and external differential reference option.
- Programmable low drift excitation current sources, burnout currents, and bias voltage generator.
- Extensive diagnostic functionality including CRC, signal chain checks, and serial interface checks.
- Support for internal or external clock operation and integrated channel sequencer.
Applications
The AD7124-4TRUZ-EP-R7 is ideal for high precision measurement applications, particularly in defense and aerospace sectors due to its compliance with AQEC standards. It is also suitable for industrial automation, medical devices, and any application requiring high signal integrity and low power consumption.
Q & A
- What is the resolution of the AD7124-4TRUZ-EP-R7 ADC?
The AD7124-4TRUZ-EP-R7 has a 24-bit resolution.
- What are the input configuration options for the AD7124-4TRUZ-EP-R7?
The device can be configured for four differential inputs or seven single-ended or pseudo differential inputs.
- What is the temperature range for the AD7124-4TRUZ-EP-R7?
The device operates within a temperature range of −55°C to +125°C.
- What power supply options are available for the AD7124-4TRUZ-EP-R7?
The device can operate with a single analog power supply from 2.7 V to 3.6 V or a dual 1.8 V power supply, and a digital power supply from 1.65 V to 3.6 V.
- Does the AD7124-4TRUZ-EP-R7 support simultaneous 50 Hz and 60 Hz rejection?
Yes, it can achieve simultaneous 50 Hz and 60 Hz rejection with high rejection at lower data rates.
- What diagnostic features are integrated into the AD7124-4TRUZ-EP-R7?
The device includes extensive diagnostic functionality such as CRC, signal chain checks, and serial interface checks.
- Can the AD7124-4TRUZ-EP-R7 operate with an external clock?
Yes, the device can operate with either an internal or an external clock.
- What is the package type of the AD7124-4TRUZ-EP-R7?
The device is housed in a 24-lead TSSOP package.
- Is the AD7124-4TRUZ-EP-R7 suitable for defense and aerospace applications?
Yes, it supports defense and aerospace applications and complies with AQEC standards.
- What is the maximum output data rate of the AD7124-4TRUZ-EP-R7?
The maximum output data rate is up to 25 SPS (single cycle settling).
