AD7124-4TRUZ-EP

AD7124-4TRUZ-EP is a low power, low noise, completely integrated analogue front end for high precision measurement applications. This device contains a low noise, 24-bit Σ-Δ analogue-to-digital converter (ADC), and can be configured to have four differential inputs or seven single-ended or pseudo differential inputs. The on-chip low gain stage ensures that signals of small amplitude can be interfaced directly to the ADC. One of the major advantages of the device is that it gives the user the flexibility to employ one of three integrated power modes. The current consumption, range of output data rates, and rms noise can be tailored with the power mode selected. This device also offers a multitude of filter options, ensuring that the user has the highest degree of flexibility. It is used in applications such as military and space, avionics, pressure measurement, instrumentation.

• Matched programmable excitation currents, internal clock oscillator and temperature sensor
• On-chip bias voltage generator, low-side power switch, multiple filter options
• Sensor burnout detection, automatic channel sequencer, per channel configuration
• 3-wire or 4-wire serial interface SPI, QSPI, MICROWIRE, and DSP compatible schmitt trigger on SCLK
• Crosspoint multiplexed analogue inputs, 4 differential/7 pseudo differential inputs
• Diagnostic functions (which aid safe integrity level (SIL) certification)
• Simultaneous 50Hz/60Hz rejection at 25SPS (single cycle settling)
• Integral nonlinearity is ±1ppm of FSR typical at (gain = 12, AVDD = 2.9V to 3.6V (full power mode))
• Output data rate (low power mode) is 2400 SPS maximum at (AVDD = 2.9V to 3.6V (full power mode)
• Operating temperature range from -55°C to +125°C, 24-lead TSSOP package

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party